CN104930141B - Multi-speed transmission - Google Patents

Multi-speed transmission Download PDF

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Publication number
CN104930141B
CN104930141B CN201510123364.3A CN201510123364A CN104930141B CN 104930141 B CN104930141 B CN 104930141B CN 201510123364 A CN201510123364 A CN 201510123364A CN 104930141 B CN104930141 B CN 104930141B
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CN
China
Prior art keywords
component
gear
gear set
planetary gear
group
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Application number
CN201510123364.3A
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Chinese (zh)
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CN104930141A (en
Inventor
J.M.哈特
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Priority claimed from US14/640,792 external-priority patent/US9347530B2/en
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Publication of CN104930141A publication Critical patent/CN104930141A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/666—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with compound planetary gear units, e.g. two intermeshing orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62—Gearings having three or more central gears
    • F16H3/66—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • F16H3/663—Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another with conveying rotary motion between axially spaced orbital gears, e.g. RAVIGNEAUX
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/442—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion comprising two or more sets of orbital gears arranged in a single plane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0078—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratio comprising twelve or more forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/201—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with three sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2012—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/202—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set
    • F16H2200/2023—Transmissions using gears with orbital motion characterised by the type of Ravigneaux set using a Ravigneaux set with 4 connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2046—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with six engaging means

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

The invention discloses a kind of multi-speed transmissions.A kind of speed changer is provided, the speed changer is equipped with input link, output link, at least three planetary gear sets, multiple coupling members and multiple torque transmitters.The torque transmitter includes clutch and brake, these clutches and brake can be activated with the combination of three, to establish multiple forward gear ratios and at least one reverse gear ratio.

Description

Multi-speed transmission
Cross reference to related applications
This application claims the priority for the U.S. Provisional Application No. 61/968,939 that on March 21st, 2014 submits, the U.S.s State's provisional application is incorporated herein by reference in its entirety.
Technical field
It is a kind of equipped with multiple speed, four present invention relates in general to a kind of multi-speed transmission, and more particularly to The speed changer of a planetary gear set and multiple torque transmitters.
Background technology
Statement in this part is provided solely for the background information related with the disclosure, and may form or may not Form the prior art.
Typical multi-speed transmission has used the combination of friction clutch, planetary gear arrangement and fixed interconnection Realize multiple gearratios.The quantity and physical layout of planetary gear set are generally encapsulated, cost and desired ratio dominate.
Although existing speed changer has reached their expected purposes, to the demand of new, improved transmission configuration It substantially always exists, which has improved performance（Especially from efficiency, response and From the viewpoint of stationarity）And improved encapsulation（It is mainly reduced in size and weight）.Accordingly, there exist to improved, tool The demand of cost-efficient and compact multi-speed transmission.
The content of the invention
A kind of speed changer is provided, the speed changer is equipped with input link, output link, first planetary gear set, the second row Star gear set and third planet gear set, two interconnecting components and six torque-transmitting mechanisms.The planetary gear set each Equipped at least first component, second component and the 3rd component.The first planetary gear set also includes the 4th component.It is described two Interconnecting component makes the component of the first planetary gear set, the second planetary gear set and third planet gear set and the first row Another component of star gear set, the second planetary gear set and third planet gear set is continuously interconnected.Six torques pass Passing mechanism, each is selectively engageable so that the first planetary gear set, the second planetary gear set and third planet gear Another component of a component and the first planetary gear set, the second planetary gear set and third planet gear set of group or Fixing component interconnects.Six torque-transmitting mechanisms are selectively engageable at least three combination, described defeated to establish Enter multiple forward speed ratios between component and the output link and at least one reverse gear ratio.
In the example of the present invention, the first interconnecting component in described two interconnecting components makes the first planet tooth The 4th component and the 3rd component of second planetary gear set of wheel group are continuously interconnected.
In another example of the present invention, the second interconnecting component in described two interconnecting components makes second planet The second component of gear set and the first component of the third planet gear set are continuously interconnected.
In the still another example of the present invention, the first torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that described the first of the first component of the first planetary gear set and second planetary gear set Component interconnects.
In the still another example of the present invention, the second torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that described the second of the first component of the first planetary gear set and second planetary gear set Component interconnects.
In the still another example of the present invention, the 3rd torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that described the second of the 3rd component of the first planetary gear set and the third planet gear set Component interconnects.
In the still another example of the present invention, the 4th torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that the described 3rd of the 3rd component of second planetary gear set and the third planet gear set the Component interconnects.
In the still another example of the present invention, the 5th torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that the first component of second planetary gear set and the fixing component interconnect.
In the still another example of the present invention, the 6th torque-transmitting mechanisms selection in six torque-transmitting mechanisms Property it is engageable so that the 3rd component of the third planet gear set and the fixing component interconnect.
In the still another example of the present invention, the input link is continuously connected into and the first planetary gear set The second component rotate jointly.
In the still another example of the present invention, the output link is continuously connected into and the third planet gear set The second component rotate jointly.
In the still another example of the present invention, the first component of the first planetary gear set, second row The 3rd component of the first component of star gear set and the third planet gear set is the first sun gear, described second The second component of the first component of planetary gear set and the third planet gear set is gear ring, and described second The 3rd component of the second component of planetary gear set and the third planet gear set is planet carrier.
In the still another example of the present invention, the second component of the first planetary gear set is gear ring, described The 3rd component of first planetary gear set is planet carrier, and the 4th component of the first planetary gear set is group Sun gear/gear ring of conjunction.
In the still another example of the present invention, the second component and the 3rd component bag of the first planetary gear set Containing the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
In the still another example of the present invention, the second component of the first planetary gear set is planet carrier, institute The 3rd component for stating first planetary gear set is gear ring, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear is long pinion gear, and with first sun gear, the gear ring and second group described Pinion gear engages, and second group of pinion gear is short pinion gear, and with first group of pinion gear and described second Sun gear engages.
In the still another example of the present invention, the second component of the first planetary gear set is planet carrier, institute The 3rd component for stating first planetary gear set is gear ring, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear is short pinion gear, and with first sun gear, the gear ring and second group described Pinion gear engages, and second group of pinion gear is long pinion gear, and with first group of pinion gear and described second Sun gear engages.
In the still another example of the present invention, the second component of the first planetary gear set is planet carrier, institute The 3rd component for stating first planetary gear set is gear ring, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear are the pinion gears of the length with big diameter portion and small diameter portion, described big Diameter portion is engaged with first sun gear, and the small diameter portion is nibbled with the gear ring and second group of pinion gear Close, and second group of pinion gear is short pinion gear, and with the small diameter portion of first group of pinion gear It is engaged with second sun gear.
In the still another example of the present invention, the second component of the first planetary gear set is gear ring, described The 3rd component of first planetary gear set is planet carrier, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun gear and described the The engagement of two groups of pinion gears, and second group of pinion gear be long pinion gear and with the gear ring and second sun gear Engagement.
In the still another example of the present invention, the second component of the first planetary gear set is gear ring, described The 3rd component of first planetary gear set is planet carrier, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear are the pinion gears of the length with big diameter portion and small diameter portion, described big Diameter portion is engaged with second sun gear and the gear ring, and the small diameter portion is nibbled with second group of pinion gear Close, and second group of pinion gear is short pinion gear, and with the small diameter portion of first group of pinion gear It is engaged with first sun gear.
In the still another example of the present invention, the second component of the first planetary gear set is gear ring, described The 3rd component of first planetary gear set is planet carrier, and the 4th component of the first planetary gear set is second too Sun wheel, and the first planetary gear set includes first group of pinion gear being pivotably supported by the planet carrier and second group Pinion gear, first group of pinion gear are the pinion gears of the length engaged with first sun gear and second group of pinion gear, And second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and second sun Wheel engagement.
The invention also discloses following technical solutions.
1st, a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped with extremely Few first component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component；
Two interconnecting components make the first planetary gear set, the second planetary gear set and third planet gear set One component and another component of the first planetary gear set, the second planetary gear set and third planet gear set are constantly Interconnection；And
Six torque-transmitting mechanisms, each torque-transmitting mechanisms can selectively engage, so that first planet One component of gear set, the second planetary gear set and third planet gear set and the first planetary gear set, the second planet Another component or fixing component of gear set and third planet gear set interconnect, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, with described in foundation Multiple forward speed ratios and at least one reverse gear ratio between input link and the output link.
2nd, the speed changer according to scheme 1, wherein, the first interconnecting component in described two interconnecting components makes described The 4th component and the 3rd component of second planetary gear set of one planetary gear set are continuously interconnected.
3rd, the speed changer according to scheme 2, wherein, the second interconnecting component in described two interconnecting components makes described The second component of two planetary gear sets and the first component of the third planet gear set are continuously interconnected.
4th, the speed changer according to scheme 1, wherein, the first torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the first component of the first planetary gear set and second planetary gear set State first component interconnection.
5th, the speed changer according to scheme 4, wherein, the second torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the first component of the first planetary gear set and second planetary gear set State second component interconnection.
6th, the speed changer according to scheme 5, wherein, the 3rd torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the 3rd component of the first planetary gear set and the third planet gear set State second component interconnection.
7th, the speed changer according to scheme 6, wherein, the 4th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the 3rd component of second planetary gear set and the third planet gear set State the interconnection of the 3rd component.
8th, the speed changer according to scheme 7, wherein, the 5th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the first component of second planetary gear set is interconnected with the fixing component.
9th, the speed changer according to scheme 8, wherein, the 6th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the 3rd component of the third planet gear set is interconnected with the fixing component.
10th, the speed changer according to scheme 1, wherein, the input link is continuously connected into and first planet The second component of gear set rotates jointly.
11st, the speed changer according to scheme 10, wherein, the output link is continuously connected into and the third planet The second component of gear set rotates jointly.
12nd, the speed changer according to scheme 1, wherein, the first component of the first planetary gear set, described The 3rd component of the first component of two planetary gear sets and the third planet gear set is the first sun gear, described The second component of the first component of second planetary gear set and the third planet gear set is gear ring, and described The 3rd component of the second component of second planetary gear set and the third planet gear set is planet carrier.
13rd, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
14th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
15th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
16th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
17th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engages, and second group of pinion gear is short pinion gear, and described small straight with first group of pinion gear Path portion and second sun gear engagement.
18th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
19th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
20th, the speed changer according to scheme 12, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
21st, a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped with extremely Few first component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component, and Wherein, the input link is continuously connected into rotates jointly with the second component of the first planetary gear set, and The output link is continuously connected into be rotated jointly with the second component of the third planet gear set；
First interconnecting component makes the 4th component of the first planetary gear set and second planetary gear set The 3rd component be continuously interconnected；
Second interconnecting component makes the second component of second planetary gear set and the third planet gear set The first component be continuously interconnected；And
Six torque-transmitting mechanisms, each torque-transmitting mechanisms can selectively engage, so that first planet One component of gear set, the second planetary gear set and third planet gear set and the first planetary gear set, the second planet Another component or fixing component of gear set and third planet gear set interconnect, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, with described in foundation Multiple forward speed ratios and at least one reverse gear ratio between input link and the output link.
22nd, the speed changer according to scheme 21, wherein, the first torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the first component of the first planetary gear set and second planetary gear set The first component interconnection.
23rd, the speed changer according to scheme 22, wherein, the second torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the first component of the first planetary gear set and second planetary gear set The second component interconnection.
24th, the speed changer according to scheme 23, wherein, the 3rd torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of the first planetary gear set and the third planet gear set The second component interconnection.
25th, the speed changer according to scheme 24, wherein, the 4th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of second planetary gear set and the third planet gear set The 3rd component interconnection.
26th, the speed changer according to scheme 25, wherein, the 5th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the first component of second planetary gear set is interconnected with the fixing component.
27th, the speed changer according to scheme 26, wherein, the 6th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of the third planet gear set is interconnected with the fixing component.
28th, the speed changer according to scheme 21, wherein, it is the first component of the first planetary gear set, described The 3rd component of the first component of second planetary gear set and the third planet gear set is the first sun gear, institute It is gear ring to state the first component of the second planetary gear set and the second component of the third planet gear set, and institute It is planet carrier to state the second component of the second planetary gear set and the 3rd component of the third planet gear set.
29th, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
30th, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
31st, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
32nd, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
33rd, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engage, and second group of pinion gear be short pinion gear and with the small diameter of first group of pinion gear Part and second sun gear engagement.
34th, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
35th, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
36th, the speed changer according to scheme 28, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
37th, a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped with extremely Few first component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component, and Wherein, the input link is continuously connected into rotates jointly with the second component of the first planetary gear set, and The output link is continuously connected into be rotated jointly with the second component of the third planet gear set；
Two interconnecting components, by the first planetary gear set, the second planetary gear set and third planet gear set One component and another component of the first planetary gear set, the second planetary gear set and third planet gear set are constantly Interconnection；And
First torque-transmitting mechanisms can selectively engage first structure so that the first planetary gear set Part and the first component of second planetary gear set interconnect；
Second torque-transmitting mechanisms can selectively engage first structure so that the first planetary gear set Part and the second component of second planetary gear set interconnect；
3rd torque-transmitting mechanisms can selectively engage the 3rd structure so that the first planetary gear set The second component of part and the third planet gear set interconnects；
4th torque-transmitting mechanisms can selectively engage the 3rd structure so that second planetary gear set The 3rd component of part and the third planet gear set interconnects；
5th torque-transmitting mechanisms can selectively engage first structure so that second planetary gear set Part is interconnected with the fixing component；
6th torque-transmitting mechanisms can selectively engage the 3rd structure so that the third planet gear set Part is interconnected with the fixing component, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, with described in foundation Multiple forward speed ratios and at least one reverse gear ratio between input link and the output link.
38th, the speed changer according to scheme 37, wherein, the first interconnecting component in described two interconnecting components makes described The 4th component and the 3rd component of second planetary gear set of first planetary gear set are continuously interconnected.
39th, the speed changer according to scheme 38, wherein, the second interconnecting component in described two interconnecting components makes described The second component of second planetary gear set and the first component of the third planet gear set are continuously interconnected.
40th, the speed changer according to scheme 37, wherein, it is the first component of the first planetary gear set, described The 3rd component of the first component of second planetary gear set and the third planet gear set is the first sun gear, institute It is gear ring to state the first component of the second planetary gear set and the second component of the third planet gear set, and institute It is planet carrier to state the second component of the second planetary gear set and the 3rd component of the third planet gear set.
41st, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
42nd, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
43rd, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
44th, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
45th, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engages, and second group of pinion gear is short pinion gear, and described small straight with first group of pinion gear Path portion and second sun gear engagement.
46th, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
47th, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
48th, the speed changer according to scheme 40, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
The present invention other feature, aspect and advantage, which will refer to the following description and attached drawing, becomes apparent, identical in attached drawing Reference numeral refer to identical component, element or feature.
Description of the drawings
The purpose of illustration is only used for attached drawing described here, it is no intended to limit the scope of the present disclosure in any way.
Fig. 1 is the lever diagram of the embodiment of speed changer according to the principles of the present invention；
Fig. 2 is a truth table, illustrates each torque delivery element engagement to generate the speed changer illustrated in Fig. 1 Multiple drive shifts and the engagement state of at least one reverse gear ratio or gearratio example；
Fig. 3 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Fig. 4 is a truth table, illustrates each torque delivery element engagement to generate what is illustrated in Fig. 1 and Fig. 3 Multiple drive shifts of speed changer and the example of the engagement state of at least one reverse gear ratio or gearratio；
Fig. 5 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Fig. 6 is a truth table, illustrates each torque delivery element engagement to generate what is illustrated in Fig. 1 and Fig. 5 Multiple drive shifts of speed changer and the example of the engagement state of at least one reverse gear ratio or gearratio；
Fig. 7 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Fig. 8 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Fig. 9 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Figure 10 is a truth table, illustrates that each torque delivery element engagement is illustrated to generate in Fig. 1 and Fig. 7-9 Multiple drive shifts of speed changer and the example of the engagement state of at least one reverse gear ratio or gearratio；
Figure 11 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Figure 12 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；
Figure 13 is the diagram illustrating of the modification of the speed changer of Fig. 1 according to the principles of the present invention；And
Figure 14 is a truth table, illustrates that each torque delivery element engagement is said to generate diagram in Fig. 1 and Figure 11-13 Multiple drive shifts of bright speed changer and the example of the engagement state of at least one reverse gear ratio or gearratio.
Specific embodiment
The following description is substantially only exemplary, it is no intended to be limited the disclosure, its application or be used.
Referring now to Fig. 1, the embodiment of multi-speed transmission 10 is illustrated with the form of lever diagram.Lever diagram is such as The component of the mechanical device of automatic transmission etc schematically illustrates.Each lever represents a planetary gear set, wherein going The basic mechanical part of three of star gear set each represented with a node.Therefore, single lever includes three nodes：One For sun gear, one is used for pinion frame, and one is used for gear ring.Alternatively, lever represents a planetary gear arrangement, One of node represents one in four elements：One in the basic mechanical part of three of planetary gear set, the first row One in three basic mechanical parts with the second planetary gear set in the basic mechanical part of three of star gear set Connection, one or four basic machines of Ravigneaux-Satz in four basic mechanical parts of stack planetary gear set One in tool component.Therefore, such single lever includes four nodes.It is opposite between the node of each lever Length can be used to indicate that ratio of the gear ring with respect to sun gear of each respective gears group（ring-to-sun ratio）.This A little lever ratios are again for changing the gearratio of speed changer to realize that appropriate ratio and ratio are grading.The section of each planetary gear set Mechanical attachment or interconnection between point are illustrated by thin horizontal line, and the torque of such as clutch and brake transfers Device is expressed as finger-shaped material staggeredly.On the form of lever diagram, purposes and the further explanation used, Benford refer to SAE Paper 810102 written with Leising, entitled " lever is simulated：A kind of new tool of speed changer analysis（The Lever Analogy: A New Tool in Transmission Analysis）", the full text of the paper is incorporated herein by reference.
Speed changer 10 includes input shaft or input link 12, first planetary gear set 14, the second planetary gear set 16 and the Three planetary gear sets 18 and output shaft or output link 20.In the lever diagram of Fig. 1, first planetary gear set 14 has four A node：First node 14A, section point 14B, the 3rd node 14C and fourth node 14D.Second planetary gear set 16 has Three nodes：First node 16A, section point 16B and the 3rd node 16C.There are three nodes for the tool of third planet gear set 18：The One node 18A, section point 18B and the 3rd node 18C.Input link 12 is continuously coupled to the of first planetary gear set 14 Two node 14B.Output link 20 is continuously coupled to the section point 18B of third planet gear set 18.
The fourth node 14D of first planetary gear set 14 is connected to the 3rd node 16C of the second planetary gear set 16.Second The section point 16B of planetary gear set 16 is connected to the first node 18A of third planet gear set 18.
First clutch 22 makes the 3rd node 18C of third planet gear set 18 be selectively connected with fixing component 50. Second clutch 24 is selectively connected the first node 16A of the second planetary gear set 16 and fixing component 50.3rd clutch Device 26 makes the first node 14A and the section point 16B of the second planetary gear set 16 of first planetary gear set 14 selectively connect It connects.4th clutch 28 makes the first node 14A of first planetary gear set 14 and the first node 16A of the second planetary gear set 16 It is selectively connected.5th clutch 30 makes the fourth node 14D of first planetary gear set 14 and third planet gear set 16 The 3rd node 18C of 3rd node 16C and third planet gear set 18 are selectively connected.6th clutch 32 makes the first planet The 3rd node 14C and the output shaft or output link 20 of gear set 14 are selectively connected.
Referring now to Fig. 1 and Fig. 2, it will illustrate the operation of multi-speed transmission 10.It is to be understood that the subject area speed changer 10 can use it is more A forward speed ratios or torque ratio and at least one reverse gear ratio or torque ratio from input shaft or input link 12 to output shaft or Output link 20 transfers torque.As described below, by making torque-transmitting mechanisms（That is, the first brake 22, second is braked Device 24, first clutch 26, second clutch 28, the 3rd clutch 30 and the 4th clutch 32）One or more of engagement, Obtain each drive shift and reverse gear ratio or torque ratio.
Fig. 2 is a truth table, and expression is activated or engages to realize each of the torque-transmitting mechanisms of various range states Kind combination." X " expression in frame is engaged to realize the particular clutch or brake of desired range state.It also illustrates each The actual transmission of range state is planted than numerical value, it should be understood that, these numerical value are only exemplary, and can be very big Scope on adjust these numerical value, to adapt to the various applications of speed changer 10 and operation standard.Certainly, according to selected tooth Wheel diameter, number of gear teeth and gear arrangement can also realize other gearratios.
For example, by engaging or starting the first brake 22,24 and the 4th clutch 32 of second brake, reverse gear shelves are established Position.3rd node 18C of third planet gear set 18 is connected to case of transmission 50 by the first brake 22, to limit the 3rd 3rd node 18C of planetary gear set 18 compared with case of transmission 50 rotation.Second brake 24 is by the second planetary gear The first node 16A of group 16 is connected to case of transmission 50, opposite to limit the first node 16A of the second planetary gear set 16 In the rotation of case of transmission 50.4th clutch 32 makes the 3rd node 14C of first planetary gear set 14 and output shaft or defeated Go out component 20 to connect.Equally, for example, as shown in figure 3, the various combination engaged by Clutch and brake, realizes ten Four kinds of forward speed ratios.Moreover, Fig. 2 also show four kinds of different clutches for being used to implement ninth speed for covering of the present invention with Brake engagement combination.
Referring now to Fig. 3, bar graph represents another implementation of a form of multi-speed transmission 110 according to the present invention The schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet tooth now The component of wheel group or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planetary gear Frame.
For example, first planetary gear set component 114 is stack planetary gear set 114, it includes sun gear member 114A, Pinion frame 114C, sun gear/common gear member 114D and gear member 114B.The rotatable twelve Earthly Branches of pinion frame 114C Support first group of pinion gear 114E and second group of pinion gear 114F（Every group illustrates only a pinion gear）.Sun gear/common gear ring Component 114D is cricoid gear, and multiple gear teeth are designed in the inner periphery and the outer periphery of gear.Sun gear member 114A is connected into It is rotated jointly with first axle or interconnecting component 134.Pinion frame 114C is connected into be revolved jointly with the second axis or interconnecting component 136 Turn.Sun gear/common gear member 114D is connected into and rotated jointly with the 3rd axis or interconnecting component 138.Gear member 114B connects It is connected into and is rotated jointly with input shaft or input link 112.This group of planetary gear 114E each is configured to and sun gear member 114A and sun gear/common gear member 114D are intermeshed.This group of planetary gear 114F each be configured to sun gear/ Common gear member 114D and gear member 114B is intermeshed.
Second planetary gear arrangement 116 is first planetary gear set 116, is equipped with sun gear member 116C, gear ring structure Part 116A and planet gear carrier member 116B, planet gear carrier member 16B are pivotably supported one group of planetary gear 116D（Only show A planetary gear is gone out）.Sun gear member 116C is connected into be rotated jointly with the 3rd axis or interconnecting component 138.Gear member 116A is connected into be rotated jointly with the 4th axis or interconnecting component 140.Carrier member 116B is connected into and the 5th axis or interconnection structure Part 142 rotates jointly.Planetary gear 116D each is configured to mutually nibble with sun gear member 116C and gear member 116A It closes.
Third planet gear unit assembly 118 is the second planetary gear set 118, is equipped with sun gear member 118A, gear ring structure Part 118B and planet gear carrier member 118C, planet gear carrier member 118C are pivotably supported first group of planetary gear 118D （Illustrate only a planetary gear）With two groups of epicyclic gears 118E（Illustrate only a planetary gear）.Sun gear member 118A is connected into be rotated jointly with the 5th axis or interconnecting component 142.Gear member 118B is connected into and output shaft or output link 120 rotate jointly.Carrier member 118C is connected into be rotated jointly with the 6th axis or interconnecting component 144.Planetary gear 118D is every One is configured to all be intermeshed with sun gear member 118A and two groups of epicyclic gears 118E.Planetary gear 118E each matches somebody with somebody It is set to and is all intermeshed with gear member 118B and first group of planetary gear 118D.
Input shaft or input link 112 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 120 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 122 and second brake 124 and first clutch 126, second from Clutch 128, the 3rd clutch 130 and the 4th clutch 132 allow axis or interconnecting component 134,136,138,140,142,144 Other axis or interconnecting component 134,136,138,140,142,144 are selectively interconnected to, planetary gear set 114,116,118 Component or fixing component or case of transmission 150.
For example, the first brake 122 is selectively engageable to the 6th axis or interconnecting component 144 being connected to transmission case Body 150, so that restrictions planetary gear frame 118C is compared with the rotation of case of transmission 150.Second brake 124 selectively may be used Engagement by the 4th axis or interconnecting component 140 to be connected to case of transmission 150, to limit gear member 116A compared with speed change The rotation of device housing 150.First clutch 126 it is selectively engageable so that first axle or 134 and the 5th axis of interconnecting component or Interconnecting component 142 connects.Second clutch 128 it is selectively engageable so that first axle or 134 and the 4th axis of interconnecting component or Interconnecting component 140 connects.3rd clutch 130 it is selectively engageable so that the 3rd axis or 138 and the 6th axis of interconnecting component or Interconnecting component 144 connects.4th clutch 132 it is selectively engageable so that the second axis or interconnecting component 136 and output shaft or Output link 120 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 1, Fig. 3 and Fig. 4, it will illustrate the operation of multi-speed transmission 110.It is to be understood that the subject area 110 energy of speed changer Enough multiple forward speed ratios or torque ratio and at least one reverse gear ratio or torque ratio are from input shaft or input link 112 to defeated Shaft or output link 120 transfer torque.As described below, by making torque-transmitting mechanisms（I.e., the first brake 122, Second brake 124, first clutch 126, second clutch 128, the 3rd clutch 130 and the 4th clutch 132）In one A or multiple engagements, obtain each drive shift and reverse gear ratio or torque ratio.
Fig. 4 is a truth table, and expression is activated or engages to realize each of the torque-transmitting mechanisms of various range states Kind combination." X " expression in frame is engaged to realize the particular clutch or brake of desired range state.It also illustrates each The actual transmission of range state is planted than numerical value, it should be understood that, these numerical value are only exemplary, and can be very big Scope on adjust these numerical value, to adapt to the various applications of speed changer 110 and operation standard.Certainly, according to selected Gear diameter, number of gear teeth and gear arrangement can also realize other gearratios.
For example, by engaging or starting the first brake 122,124 and the 4th clutch 132 of second brake, foundation is fallen Shelves gear.First brake 122 is by the 6th axis or interconnecting component 144 and therefore by the planet tooth of the second planetary gear set 118 Wheel carrier 118C is connected to case of transmission 150, to limit the pinion frame 118C of the second planetary gear set 118 compared with change The rotation of fast device housing 150.Second brake 124 is by the 4th axis or interconnecting component 140 and therefore by first planetary gear set 116 gear ring 116A is connected to case of transmission, to limit the gear ring 116A of first planetary gear set 116 compared with speed changer The rotation of housing 150.4th clutch 132 makes the second axis or interconnecting component 136 and therefore makes stack planetary gear set 114 Pinion frame 114C be connected with output shaft or output link 120.Equally, for example, as shown in figure 4, passing through clutch The various combination engaged with brake realizes 14 kinds of forward speed ratios.
Referring now to Fig. 5, bar graph represents another implementation of a form of multi-speed transmission 210 according to the present invention The schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet tooth now The component of wheel group, such as sun gear, gear ring, planetary gear and pinion frame.
For example, first planetary gear set component 214 includes first planetary gear set 214 ' and the second planetary gear set 214’’.First planetary gear set 214 ' includes sun gear member 214D, pinion frame 214C ' and gear member 214B '.Row Gear rack 214C ' is pivotably supported one group of pinion gear 214E（Wherein illustrate only a pinion gear）.Sun gear member 214D is connected into be rotated jointly with first axle or interconnecting component 234.Pinion frame 214C ' is connected into and the second axis or interconnection structure Part 236 rotates jointly.Gear member 214B ' is connected into be rotated jointly with input shaft or input link 212.This group of planetary gear 214E each is configured to be intermeshed with sun gear member 214D and gear member 214B '.
Second planetary gear set 214 ' ' include sun gear member 214A, pinion frame 214B ' ' and gear member 214C’’.Pinion frame 214B ' ' is pivotably supported one group of pinion gear 214F（Wherein illustrate only a pinion gear）.Too Sun wheel component 214A is connected into be rotated jointly with the 3rd axis or interconnecting component 238.Pinion frame 214B ' ' is connected into and inputted Axis or input link 212 rotate jointly, and are therefore combined with the gear member 214B ' of first planetary gear set 214 ', with shape Into the first co-rotating member 214B of first planetary gear set component 214.Gear member 214C ' ' connect into the second axis or Interconnecting component 236 rotates jointly, and is therefore combined with the pinion frame 214C ' of first planetary gear set 214 ', to be formed Second co-rotating member 214C of first planetary gear set component 214.This group of planetary gear 214F each be configured to too Sun wheel component 214A and gear member 214C ' ' is intermeshed.
Second planetary gear arrangement 216 includes third planet gear set 216, is equipped with sun gear member 216C, gear ring Component 216A and planet gear carrier member 216B, planet gear carrier member 216B are pivotably supported one group of planetary gear 216D （Illustrate only a planetary gear）.Sun gear member 216C is connected into be rotated jointly with first axle or interconnecting component 234.Gear ring Component 216A is connected into be rotated jointly with the 4th axis or interconnecting component 240.Carrier member 216B is connected into and the 5th axis or mutual Even component 242 rotates jointly.Planetary gear 216D each is configured to and sun gear member 216C and gear member 216A phases Mutually engagement.
Third planet gear unit assembly 218 includes fourth planet gear set 218, is equipped with sun gear member 218A, gear ring Component 218B and planet gear carrier member 218C, planet gear carrier member 218C are pivotably supported first group of planetary gear 218D （Illustrate only a planetary gear）With two groups of epicyclic gears 218E（Illustrate only a planetary gear）.Sun gear member 218A is connected into be rotated jointly with the 5th axis or interconnecting component 242.Gear member 218B is connected into and output shaft or output link 220 rotate jointly.Carrier member 218C is connected into be rotated jointly with the 6th axis or interconnecting component 244.Planetary gear 218D is every One is configured to all be intermeshed with sun gear member 218A and two groups of epicyclic gears 218E.Planetary gear 218E each matches somebody with somebody It is set to and is all intermeshed with gear member 218B and first group of planetary gear 218D.
Input shaft or input link 212 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 220 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 222 and second brake 224 and first clutch 226, second from Clutch 228, the 3rd clutch 230 and the 4th clutch 232 allow axis or interconnecting component 234,236,238,240,242,244 Other axis or interconnecting component 234,236,238,240,242,244 are selectively interconnected to, planetary gear set 214,216,218 Component or fixing component or case of transmission 250.
For example, the first brake 222 is selectively engageable to the 6th axis or interconnecting component 244 being connected to transmission case Body 250, so that restrictions planetary gear frame 218C is compared with the rotation of case of transmission 250.Second brake 224 selectively may be used Engagement by the 4th axis or interconnecting component 240 to be connected to case of transmission 250, to limit gear member 216A compared with speed change The rotation of device housing 250.First clutch 226 it is selectively engageable so that the 3rd axis or 238 and the 5th axis of interconnecting component or Interconnecting component 242 connects.Second clutch 228 it is selectively engageable so that the 3rd axis or 238 and the 4th axis of interconnecting component or Interconnecting component 240 connects.3rd clutch 230 it is selectively engageable so that first axle or 234 and the 6th axis of interconnecting component or Interconnecting component 244 connects.4th clutch 232 it is selectively engageable so that the second axis or interconnecting component 236 and output shaft or Output link 220 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 1, Fig. 5 and Fig. 6, it will illustrate the operation of multi-speed transmission 210.It is to be understood that the subject area 210 energy of speed changer Enough multiple forward speed ratios or torque ratio and at least one reverse gear ratio or torque ratio are from input shaft or input link 212 to defeated Shaft or output link 220 transfer torque.As described below, by making torque-transmitting mechanisms（I.e., the first brake 222, Second brake 224, first clutch 226, second clutch 228, the 3rd clutch 230 and the 4th clutch 232）In one A or multiple engagements, obtain each drive shift and reverse gear ratio or torque ratio.
Fig. 6 is a truth table, and expression is activated or engages to realize each of the torque-transmitting mechanisms of various range states Kind combination." X " expression in frame is engaged to realize the particular clutch or brake of desired range state.It also illustrates each The actual transmission of range state is planted than numerical value, it should be understood that, these numerical value are only exemplary, and can be very big Scope on adjust these numerical value, to adapt to the various applications of speed changer 210 and operation standard.Certainly, according to selected Gear diameter, number of gear teeth and gear arrangement can also realize other gearratios.
For example, by engaging or starting the first brake 222,224 and the 4th clutch 232 of second brake, foundation is fallen Shelves gear.First brake 222 is by the 6th axis or interconnecting component 244 and therefore by the row of third planet gear unit assembly 218 Gear rack 218C is connected to case of transmission 250, to limit the pinion frame 218C of third planet gear unit assembly 218 Compared with the rotation of case of transmission 250.Second brake 224 is by the 4th axis or interconnecting component 240 and therefore by the second row The gear ring 216A of star gear unit assembly 216 is connected to case of transmission, to limit the gear ring 216A of the second planetary gear set 216 Compared with the rotation of case of transmission 250.4th clutch 232 makes the second axis or interconnecting component 236 and therefore makes the first row Second co-rotating member 214C of star gear unit assembly 214 is connected with output shaft or output link 220.Equally, for example, As shown in fig. 6, the various combination engaged by Clutch and brake, realizes 14 kinds of forward speed ratios.
Referring now to Fig. 7, bar graph represents another implementation of a form of multi-speed transmission 310 according to the present invention The schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet tooth now The component of wheel group or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planetary gear Frame.
For example, first planetary gear set component 314 is Ravigneaux-Satz 314, be equipped with the first sun gear member 314A, Gear member 314C, the second sun gear member 314D and pinion frame 314B.Pinion frame 314B is pivotably supported One group of pinion gear 314E and second group of pinion gear 314F（Every group illustrates only a pinion gear）.Sun gear member 314A is connected into It is rotated jointly with first axle or interconnecting component 334.Gear member 314C is connected into be revolved jointly with the second axis or interconnecting component 336 Turn.Second sun gear member 314D is connected into be rotated jointly with the 3rd axis or interconnecting component 338.Pinion frame 314B is connected into It is rotated jointly with input shaft or input link 312.First group of pinion gear 314E is the pinion gear of one group of length, the small tooth of each length Wheel is configured to be intermeshed with the first sun gear member 314A, gear member 314C and second group of pinion gear 314F.It is second group small Gear 314F is one group of short pinion gear, each short pinion gear is configured to small with the second sun gear member 314D and first group Gear 314E is intermeshed.
Second planetary gear arrangement 316 includes first planetary gear set 316, is equipped with sun gear member 316C, gear ring Component 316A and planet gear carrier member 316B, planet gear carrier member 316B are pivotably supported one group of planetary gear 316D （Illustrate only a planetary gear）.Sun gear member 316C is connected into be rotated jointly with the 3rd axis or interconnecting component 338.Gear ring Component 316A is connected into be rotated jointly with the 4th axis or interconnecting component 340.Carrier member 316B is connected into and the 5th axis or mutual Even component 342 rotates jointly.Planetary gear 316D each is configured to and sun gear member 316C and gear member 316A phases Mutually engagement.
Third planet gear unit assembly 318 includes the second planetary gear set 318, is equipped with sun gear member 318A, gear ring Component 318B and planet gear carrier member 318C, planet gear carrier member 318C are pivotably supported first group of planetary gear 318D （Illustrate only a planetary gear）With two groups of epicyclic gears 318E（Illustrate only a planetary gear）.Sun gear member 318A is connected into be rotated jointly with the 5th axis or interconnecting component 342.Gear member 318B is connected into and output shaft or output link 320 rotate jointly.Carrier member 318C is connected into be rotated jointly with the 6th axis or interconnecting component 344.Planetary gear 318D is every One is configured to all be intermeshed with sun gear member 318A and two groups of epicyclic gears 318E.Planetary gear 318E each matches somebody with somebody It is set to and is all intermeshed with gear member 318B and first group of planetary gear 318D.
Input shaft or input link 312 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 320 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 322 and second brake 324 and first clutch 326, second from Clutch 328, the 3rd clutch 330 and the 4th clutch 332 allow axis or interconnecting component 334,336,338,340,342,344 Other axis or interconnecting component 334,336,338,340,342,344 are selectively interconnected to, planetary gear set 314,316,318 Component or fixing component or case of transmission 350.
For example, the first brake 322 is selectively engageable to the 6th axis or interconnecting component 344 being connected to transmission case Body 350, so that restrictions planetary gear frame 318C is compared with the rotation of case of transmission 350.Second brake 324 selectively may be used Engagement by the 4th axis or interconnecting component 340 to be connected to case of transmission 350, to limit gear member 316A compared with speed change The rotation of device housing 350.First clutch 326 it is selectively engageable so that first axle or 334 and the 5th axis of interconnecting component or Interconnecting component 342 connects.Second clutch 328 it is selectively engageable so that first axle or 334 and the 4th axis of interconnecting component or Interconnecting component 340 connects.3rd clutch 330 it is selectively engageable so that the 3rd axis or 338 and the 6th axis of interconnecting component or Interconnecting component 344 connects.4th clutch 332 it is selectively engageable so that the second axis or interconnecting component 336 and output shaft or Output link 320 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 8, bar graph represents another implementation of a form of multi-speed transmission 410 according to the present invention The schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet tooth now The component of wheel group or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planetary gear Frame.
For example, first planetary gear set component 414 is Ravigneaux-Satz 414, be equipped with the first sun gear member 414A, Gear member 414C, the second sun gear member 414D and pinion frame 414B.Pinion frame 414C is pivotably supported One group of pinion gear 414E and second group of pinion gear 414F（Every group illustrates only a pinion gear）.Sun gear member 414A is connected into It is rotated jointly with first axle or interconnecting component 434.Gear member 414C is connected into be revolved jointly with the second axis or interconnecting component 436 Turn.Second sun gear member 414D is connected into be rotated jointly with the 3rd axis or interconnecting component 438.Pinion frame 414B is connected into It is rotated jointly with input shaft or input link 412.First group of pinion gear 414E is one group of short pinion gear, each short small tooth Wheel is configured to be intermeshed with the first sun gear member 414A, gear member 414C and second group of pinion gear 414F.It is second group small Gear 414F is the pinion gear of one group of length, each pinion gear grown is configured to small with the second sun gear member 414D and first group Gear 414E is intermeshed.
Second planetary gear arrangement 416 is first planetary gear set 416, is equipped with sun gear member 416C, gear ring structure Part 416A and planet gear carrier member 416B, planet gear carrier member 416B are pivotably supported one group of planetary gear 416D（Only Show a planetary gear）.Sun gear member 416C is connected into be rotated jointly with the 3rd axis or interconnecting component 438.Gear ring structure Part 416A is connected into be rotated jointly with the 4th axis or interconnecting component 440.Carrier member 416B is connected into and the 5th axis or interconnection Component 442 rotates jointly.Planetary gear 416D each be configured to it is mutual with sun gear member 416C and gear member 416A Engagement.
Third planet gear unit assembly 418 is the second planetary gear set 418, is equipped with sun gear member 418A, gear ring structure Part 418B and planet gear carrier member 418C, planet gear carrier member 418C are pivotably supported first group of planetary gear 418D （Illustrate only a planetary gear）With two groups of epicyclic gears 418E（Illustrate only a planetary gear）.Sun gear member 418A is connected into be rotated jointly with the 5th axis or interconnecting component 442.Gear member 418B is connected into and output shaft or output link 420 rotate jointly.Carrier member 418C is connected into be rotated jointly with the 6th axis or interconnecting component 444.Planetary gear 418D is every One is configured to all be intermeshed with sun gear member 418A and two groups of epicyclic gears 418E.Planetary gear 418E each matches somebody with somebody It is set to and is all intermeshed with gear member 418B and first group of planetary gear 418D.
Input shaft or input link 412 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 420 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 422 and second brake 424 and first clutch 426, second from Clutch 428, the 3rd clutch 430 and the 4th clutch 442 allow axis or interconnecting component 434,436,438,440,442,444 Other axis or interconnecting component 434,436,438,440,442,444 are selectively interconnected to, planetary gear set 414,416,418 Component or fixing component or case of transmission 450.
For example, the first brake 422 is selectively engageable to the 6th axis or interconnecting component 444 being connected to transmission case Body 450, so that restrictions planetary gear frame 418C is compared with the rotation of case of transmission 450.Second brake 424 selectively may be used Engagement by the 4th axis or interconnecting component 440 to be connected to case of transmission 450, to limit gear member 416A compared with speed change The rotation of device housing 450.First clutch 426 it is selectively engageable so that first axle or 434 and the 5th axis of interconnecting component or Interconnecting component 442 connects.Second clutch 428 it is selectively engageable so that first axle or 434 and the 4th axis of interconnecting component or Interconnecting component 440 connects.3rd clutch 430 it is selectively engageable so that the 3rd axis or 438 and the 6th axis of interconnecting component or Interconnecting component 444 connects.4th clutch 432 it is selectively engageable so that the second axis or interconnecting component 436 and output shaft or Output link 420 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 9, bar graph represents another implementation of a form of multi-speed transmission 510 according to the present invention The schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet tooth now The component of wheel group or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planetary gear Frame.
For example, first planetary gear set component 514 is Ravigneaux-Satz 514, be equipped with the first sun gear member 514A, Gear member 514C, the second sun gear member 514D and pinion frame 514B.Pinion frame 514B is pivotably supported One group of pinion gear 514E and second group of pinion gear 514F（Every group illustrates only a pinion gear）.Sun gear member 514A is connected into It is rotated jointly with first axle or interconnecting component 534.Gear member 514C is connected into be revolved jointly with the second axis or interconnecting component 536 Turn.Second sun gear member 514D is connected into be rotated jointly with the 3rd axis or interconnecting component 538.Pinion frame 514B is connected into It is rotated jointly with input shaft or input link 512.First group of pinion gear 514E is the pinion gear of one group of stagewise length, each is grown Pinion gear have be configured to first diameter 514E ' intermeshing with the first sun gear member 514A and with gear ring 514C and The intermeshing second diameter 514E ' ' of second group of pinion gear 514F.Second group of pinion gear 514F is one group of short pinion gear, often One short pinion gear is configured to second diameter the 514E ' ' phases with the second sun gear member 514D and first group of pinion gear 514E Mutually engagement.
Second planetary gear arrangement 516 includes first planetary gear set 516, is equipped with sun gear member 516C, gear ring Component 516A and planet gear carrier member 516B, planet gear carrier member 516B are pivotably supported one group of planetary gear 516D （Illustrate only a planetary gear）.Sun gear member 516C is connected into be rotated jointly with the 3rd axis or interconnecting component 538.Gear ring Component 516A is connected into be rotated jointly with the 4th axis or interconnecting component 540.Carrier member 516B is connected into and the 5th axis or mutual Even component 542 rotates jointly.Planetary gear 516D each is configured to and sun gear member 516C and gear member 516A phases Mutually engagement.
Third planet gear unit assembly 518 includes the second planetary gear set 518, is equipped with sun gear member 518A, gear ring Component 518B and planet gear carrier member 518C, planet gear carrier member 518C are pivotably supported first group of planetary gear 518D （Illustrate only a planetary gear）With two groups of epicyclic gears 518E（Illustrate only a planetary gear）.Sun gear member 518A is connected into be rotated jointly with the 5th axis or interconnecting component 542.Gear member 518B is connected into and output shaft or output link 520 rotate jointly.Carrier member 518C is connected into be rotated jointly with the 6th axis or interconnecting component 544.Planetary gear 518D is every One is configured to all be intermeshed with sun gear member 518A and two groups of epicyclic gears 518E.Planetary gear 518E each matches somebody with somebody It is set to and is all intermeshed with gear member 518B and first group of planetary gear 518D.
Input shaft or input link 512 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 520 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 522 and second brake 524 and first clutch 526, second from Clutch 528, the 3rd clutch 530 and the 4th clutch 542 allow axis or interconnecting component 534,536,538,540,542,544 Other axis or interconnecting component 534,536,538,540,542,544 are selectively interconnected to, planetary gear set 514,516,518 Component or fixing component or case of transmission 550.
For example, the first brake 522 is selectively engageable to the 6th axis or interconnecting component 544 being connected to transmission case Body 550, so that restrictions planetary gear frame 518C is compared with the rotation of case of transmission 550.Second brake 524 selectively may be used Engagement by the 4th axis or interconnecting component 540 to be connected to case of transmission 550, to limit gear member 516A compared with speed change The rotation of device housing 550.First clutch 526 it is selectively engageable so that first axle or 534 and the 5th axis of interconnecting component or Interconnecting component 542 connects.Second clutch 528 it is selectively engageable so that first axle or 534 and the 4th axis of interconnecting component or Interconnecting component 540 connects.3rd clutch 530 it is selectively engageable so that the 3rd axis or 538 and the 6th axis of interconnecting component or Interconnecting component 544 connects.4th clutch 532 it is selectively engageable so that the second axis or interconnecting component 536 and output shaft or Output link 520 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 1, Fig. 7, Fig. 8, Fig. 9 and Figure 10, it will illustrate the operation of multi-speed transmission 310,410,510.Ying Ming White, speed changer 310,410,510 can use multiple forward speed ratios or torque ratio and at least one reverse gear ratio or torque Than transferring torque to output shaft or output link 320,420,520 from input shaft or input link 312,412,512.Following article will Illustrate, by making torque-transmitting mechanisms（That is, the first brake 322,422,522, second brake 324,424,524, first Clutch 326,426,526, second clutch 328,428,528, the 3rd clutch 330,430,530 and the 4th clutch 332, 432、532）One or more of engagement, obtain each drive shift and reverse gear ratio or torque ratio.
Figure 10 is a truth table, and expression is activated or engages to realize each of the torque-transmitting mechanisms of various range states Kind combination." X " expression in frame is engaged to realize the particular clutch or brake of desired range state.It also illustrates each The actual transmission of range state is planted than numerical value, it should be understood that, these numerical value are only exemplary, and can be very big Scope on adjust these numerical value, to adapt to the various applications of speed changer 310,410,510 and operation standard.Certainly, according to Selected gear diameter, number of gear teeth and gear arrangement can also realize other gearratios.
For example, by engaging or starting the first brake 322,422,522, second brake the 324,424,524 and the 4th Clutch 332,432,532, establishes reverse gear.First brake 322,422,522 by the 6th axis or interconnecting component 344, 444th, 544 and therefore pinion frame 318C, 418C, 518C of third planet gear unit assembly 318,418,518 are connected To case of transmission 350,450,550, to limit the pinion frame of third planet gear unit assembly 318,418,518 318C, 418C, 518C compared with case of transmission 350,450,550 rotation.Second brake 324 is by the 4th axis or interconnects structure Part 340,440,540 and therefore gear ring 316A, 416A, 516A of the second planetary gear arrangement 316,416,516 are connected To case of transmission 350,450,550, so as to limit gear ring 316A, 416A of the second planetary gear arrangement 316,416,516, 516A compared with case of transmission 350,450,550 rotation.4th clutch 332,432,532 makes the second axis or interconnecting component 336th, 436,536 and therefore make to be connected to first planetary gear set component 314,414,514 pinion frame 314C, The gear member of 414C, 514C are connected with output shaft or output link 320.Equally, for example, as shown in Figure 10, by from The various combination that clutch is engaged with brake realizes 14 kinds of forward speed ratios.
Referring now to Figure 11, bar graph represents another reality of a form of multi-speed transmission 610 according to the present invention Apply the schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet now The component of gear set or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planet tooth Wheel carrier.
For example, first planetary gear set component 614 is Ravigneaux-Satz 614, be equipped with the first sun gear member 614A, Gear member 614B, the second sun gear member 614D and pinion frame 614C.Pinion frame 614C is pivotably supported One group of pinion gear 614E and second group of pinion gear 614F（Every group illustrates only a pinion gear）.Sun gear member 614A is connected into It is rotated jointly with first axle or interconnecting component 634.Pinion frame 614C is connected into be revolved jointly with the second axis or interconnecting component 636 Turn.Gear member 614B is connected into be rotated jointly with input shaft or input link 612.Second sun gear member 614D connect into 3rd axis or interconnecting component 638 rotate jointly.First group of pinion gear 614E is the pinion gear of one group of length, is configured to second too Sun wheel component 614D, gear member 614B and second group of pinion gear 614F intermeshing.Second group of pinion gear 614F is one group short Pinion gear, each short pinion gear is configured to mutually nibble with the first sun gear member 614A and first group of pinion gear 614E It closes.
Second planetary gear arrangement 616 is first planetary gear set 616, is equipped with sun gear member 616C, gear ring structure Part 616A and planet gear carrier member 616B, planet gear carrier member 616B are pivotably supported one group of planetary gear 616D（Only Show a planetary gear）.Sun gear member 616C is connected into be rotated jointly with the 3rd axis or interconnecting component 638.Gear ring structure Part 616A is connected into be rotated jointly with the 4th axis or interconnecting component 640.Carrier member 616B is connected into and the 5th axis or interconnection Component 642 rotates jointly.Planetary gear 616D each be configured to it is mutual with sun gear member 616C and gear member 616A Engagement.
Third planet gear unit assembly 618 is the second planetary gear set 618, is equipped with sun gear member 618A, gear ring structure Part 618B and planet gear carrier member 618C, planet gear carrier member 618C are pivotably supported first group of planetary gear 618D （Illustrate only a planetary gear）With two groups of epicyclic gears 618E（Illustrate only a planetary gear）.Sun gear member 618A is connected into be rotated jointly with the 5th axis or interconnecting component 642.Gear member 618B is connected into and output shaft or output link 620 rotate jointly.Carrier member 618B is connected into be rotated jointly with the 6th axis or interconnecting component 644.Planetary gear 618D is every One is configured to all be intermeshed with sun gear member 618A and two groups of epicyclic gears 618E.Planetary gear 618E each matches somebody with somebody It is set to and is all intermeshed with gear member 618B and first group of planetary gear 618D.
Input shaft or input link 612 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 620 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 622 and second brake 624 and first clutch 626, second from Clutch 628, the 3rd clutch 630 and the 4th clutch 642 allow axis or interconnecting component 634,636,638,640,642,644 Other axis or interconnecting component 634,636,638,640,642,644 are selectively interconnected to, planetary gear set 614,616,618 Component or fixing component or case of transmission 650.
For example, the first brake 622 is selectively engageable to the 6th axis or interconnecting component 644 being connected to transmission case Body 650, so that restrictions planetary gear frame 618C is compared with the rotation of case of transmission 650.Second brake 624 selectively may be used Engagement by the 4th axis or interconnecting component 640 to be connected to case of transmission 650, to limit gear member 616A compared with speed change The rotation of device housing 650.First clutch 626 it is selectively engageable so that first axle or 634 and the 5th axis of interconnecting component or Interconnecting component 642 connects.Second clutch 628 it is selectively engageable so that first axle or 634 and the 4th axis of interconnecting component or Interconnecting component 640 connects.3rd clutch 630 it is selectively engageable so that the 3rd axis or 638 and the 6th axis of interconnecting component or Interconnecting component 644 connects.4th clutch 632 it is selectively engageable so that the second axis or interconnecting component 636 and output shaft or Output link 620 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Figure 12, bar graph represents another reality of a form of multi-speed transmission 710 according to the present invention Apply the schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet now The component of gear set or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planet tooth Wheel carrier.
For example, first planetary gear set component 714 is Ravigneaux-Satz 714, be equipped with the first sun gear member 714A, Gear member 714B, the second sun gear member 714D and pinion frame 714C.Pinion frame 714B is pivotably supported One group of pinion gear 714E and second group of pinion gear 714F（Every group illustrates only a pinion gear）.Sun gear member 714A is connected into It is rotated jointly with first axle or interconnecting component 734.Pinion frame 714C is connected into be revolved jointly with the second axis or interconnecting component 736 Turn.Second sun gear member 714D is connected into be rotated jointly with the 3rd axis or interconnecting component 738.Gear member 714B connect into Input shaft or input link 712 rotate jointly.First group of pinion gear 714E is the pinion gear of one group of stagewise length, each length Pinion gear have be configured to first diameter 714E ' intermeshing with the second sun gear member 714D and gear member 714B and It is configured to and the intermeshing second diameter 714E ' ' of second group of pinion gear 714F.Second group of pinion gear 714F is one group short small Gear, each short pinion gear are configured to the second diameter with the first sun gear member 714A and first group of pinion gear 714E 714E ' ' is intermeshed.
Second planetary gear arrangement 716 is first planetary gear set 716, is equipped with sun gear member 716C, gear ring structure Part 716A and planet gear carrier member 716B, planet gear carrier member 716B are pivotably supported one group of planetary gear 716D（Only Show a planetary gear）.Sun gear member 716C is connected into be rotated jointly with the 3rd axis or interconnecting component 738.Gear ring structure Part 716A is connected into be rotated jointly with the 4th axis or interconnecting component 740.Carrier member 716B is connected into and the 5th axis or interconnection Component 742 rotates jointly.Planetary gear 716D each be configured to it is mutual with sun gear member 716C and gear member 716A Engagement.
Third planet gear unit assembly 718 is the second planetary gear set 718, is equipped with sun gear member 718A, gear ring structure Part 718B and planet gear carrier member 718C, planet gear carrier member 718C are pivotably supported first group of planetary gear 718D （Illustrate only a planetary gear）With two groups of epicyclic gears 718E（Illustrate only a planetary gear）.Sun gear member 718A is connected into be rotated jointly with the 5th axis or interconnecting component 742.Gear member 718B is connected into and output shaft or output link 720 rotate jointly.Carrier member 718C is connected into be rotated jointly with the 6th axis or interconnecting component 744.Planetary gear 718D is every One is configured to all be intermeshed with sun gear member 718A and two groups of epicyclic gears 718E.Planetary gear 718E each matches somebody with somebody It is set to and is all intermeshed with gear member 718B and first group of planetary gear 718D.
Input shaft or input link 712 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 720 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 722 and second brake 724 and first clutch 726, second from Clutch 728, the 3rd clutch 730 and the 4th clutch 742 allow axis or interconnecting component 734,736,738,740,742,744 Other axis or interconnecting component 734,736,738,740,742,744 are selectively interconnected to, planetary gear set 714,716,718 Component or fixing component or case of transmission 750.
For example, the first brake 722 is selectively engageable to the 6th axis or interconnecting component 744 being connected to transmission case Body 750, so that restrictions planetary gear frame 718C is compared with the rotation of case of transmission 750.Second brake 724 selectively may be used Engagement by the 4th axis or interconnecting component 740 to be connected to case of transmission 750, to limit gear member 716A compared with speed change The rotation of device housing 750.First clutch 726 it is selectively engageable so that first axle or 734 and the 5th axis of interconnecting component or Interconnecting component 742 connects.Second clutch 728 it is selectively engageable so that first axle or 734 and the 4th axis of interconnecting component or Interconnecting component 740 connects.3rd clutch 730 it is selectively engageable so that the 3rd axis or 738 and the 6th axis of interconnecting component or Interconnecting component 744 connects.4th clutch 732 it is selectively engageable so that the second axis or interconnecting component 736 and output shaft or Output link 720 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Figure 13, bar graph represents another reality of a form of multi-speed transmission 810 according to the present invention Apply the schematic layout of example.Correspondingly represent clutch and connection, and the node of the planetary gear set of Fig. 1 shows as planet now The component of gear set or planetary gear arrangement, such as sun gear, gear ring, planetary gear, combination or common gear and planet tooth Wheel carrier.
For example, first planetary gear set component 814 is Ravigneaux-Satz 814, be equipped with the first sun gear member 814A, Gear member 814B, the second sun gear member 814D and pinion frame 814C.Pinion frame 814C is pivotably supported One group of pinion gear 814E and second group of pinion gear 814F（Every group illustrates only a pinion gear）.Sun gear member 814A is connected into It is rotated jointly with first axle or interconnecting component 834.Pinion frame 814C is connected into be revolved jointly with the second axis or interconnecting component 836 Turn.Gear member 814B is connected into be rotated jointly with input shaft or input link 812.Second sun gear member 814D connect into 3rd axis or interconnecting component 838 rotate jointly.First group of pinion gear gear 814E is the pinion gear of one group of length, is configured to and the One sun gear member 814A and second group of pinion gear 814F intermeshing.Second group of pinion gear 814F is one group of short pinion gear, Each short pinion gear be configured to in the second sun gear member 814D, gear member 814B and first group of pinion gear 814E Each intermeshing.
Second planetary gear arrangement 816 is first planetary gear set 816, is equipped with sun gear member 816C, gear ring structure Part 816A and planet gear carrier member 816B, planet gear carrier member 816B are pivotably supported one group of planetary gear 816D（Only Show a planetary gear）.Sun gear member 816C is connected into be rotated jointly with the 3rd axis or interconnecting component 838.Gear ring structure Part 816A is connected into be rotated jointly with the 4th axis or interconnecting component 840.Carrier member 816B is connected into and the 5th axis or interconnection Component 842 rotates jointly.Planetary gear 816D each be configured to it is mutual with sun gear member 816C and gear member 816A Engagement.
Third planet gear unit assembly 818 is the second planetary gear set 818, is equipped with sun gear member 818A, gear ring structure Part 818B and planet gear carrier member 818C, planet gear carrier member 818C are pivotably supported first group of planetary gear 818D （Illustrate only a planetary gear）With two groups of epicyclic gears 818E（Illustrate only a planetary gear）.Sun gear member 818A is connected into be rotated jointly with the 5th axis or interconnecting component 842.Gear member 818B is connected into and output shaft or output link 820 rotate jointly.Carrier member 818C is connected into be rotated jointly with the 6th axis or interconnecting component 844.Planetary gear 818D is every One is configured to all be intermeshed with sun gear member 818A and two groups of epicyclic gears 818E.Planetary gear 818E each matches somebody with somebody It is set to and is all intermeshed with gear member 818B and first group of planetary gear 818D.
Input shaft or input link 812 are continuously connected to input source, such as engine（It is not shown）Or torque converter Turbine（It is not shown）.Output shaft or output link 820 and such as final driving unit or transfer case（It is not shown）Etc Another output is continuously connected.
Torque-transmitting mechanisms, comprising the first brake 822 and second brake 824 and first clutch 826, second from Clutch 828, the 3rd clutch 830 and the 4th clutch 842 allow axis or interconnecting component 834,836,838,840,842,844 Other axis or interconnecting component 834,836,838,840,842,844 are selectively interconnected to, planetary gear set 814,816,818 Component or fixing component or case of transmission 850.
For example, the first brake 822 is selectively engageable to the 6th axis or interconnecting component 844 being connected to transmission case Body 850, so that restrictions planetary gear frame 818C is compared with the rotation of case of transmission 850.Second brake 824 selectively may be used Engagement by the 4th axis or interconnecting component 840 to be connected to case of transmission 850, to limit gear member 816A compared with speed change The rotation of device housing 850.First clutch 826 it is selectively engageable so that first axle or 834 and the 5th axis of interconnecting component or Interconnecting component 842 connects.Second clutch 828 it is selectively engageable so that first axle or 834 and the 4th axis of interconnecting component or Interconnecting component 840 connects.3rd clutch 830 it is selectively engageable so that the 3rd axis or 838 and the 6th axis of interconnecting component or Interconnecting component 844 connects.4th clutch 832 it is selectively engageable so that the second axis or interconnecting component 836 and output shaft or Output link 820 connects.Then the component for being connected to the planetary gear set of each in connecting elements is also correspondingly connected It connects or is restricted.
Referring now to Fig. 1, Figure 11, Figure 12, Figure 13 and Figure 14, it will illustrate the operation of multi-speed transmission 610,710,810.It should It is realized that speed changer 610,710,810 can use multiple forward speed ratios or torque ratio and at least one reverse gear ratio or torsion Moment ratio transfers torque from input shaft or input link 612,712,812 to output shaft or output link 620,720,820.Following article By explanation, by making torque-transmitting mechanisms（That is, the first brake 622,722,822, second brake 624,724,824, the One clutch 626,726,826, second clutch 628,728,828, the 3rd clutch 630,730,830 and the 4th clutch 632、732、832）One or more of engagement, obtain each drive shift and reverse gear ratio or torque ratio.
Figure 14 is a truth table, and expression is activated or engages to realize each of the torque-transmitting mechanisms of various range states Kind combination." X " expression in frame is engaged to realize the particular clutch or brake of desired range state.It also illustrates each The actual transmission of range state is planted than numerical value, it should be understood that, these numerical value are only exemplary, and can be very big Scope on adjust these numerical value, to adapt to the various applications of speed changer 610,710,810 and operation standard.Certainly, according to Selected gear diameter, number of gear teeth and gear arrangement can also realize other gearratios.
For example, by engaging or starting the first brake 622,722,822, second brake the 624,724,824 and the 4th Clutch 632,732,832, establishes reverse gear.First brake 622,722,822 by the 6th axis or interconnecting component 644, 744th, 844 and therefore pinion frame 618C, 718C, 818C of third planet gear unit assembly 618,718,818 are connected To case of transmission 650,750,850, to limit the pinion frame of third planet gear unit assembly 618,718,818 618C, 718C, 818C compared with case of transmission 650,750,850 rotation.Second brake 624,724,824 is by the 4th axis Or interconnecting component 640,740,840 and therefore by gear ring 616A, 716A of the second planetary gear arrangement 616,716,816, 816A is connected to case of transmission, so as to limit gear ring 616A, 716A of the second planetary gear arrangement 616,716,816, 816A compared with case of transmission 650,750,850 rotation.4th clutch 632,732,832 makes the second axis or interconnecting component 636th, 736,836 and therefore make to be connected to first planetary gear set component 614,714,814 pinion frame 614C, The gear member of 714C, 814C are connected with output shaft or output link 620,720,820.Equally, for example, such as Figure 14 institutes Show, the various combination engaged by Clutch and brake realizes 14 kinds of forward speed ratios.
The description of the invention is substantially only exemplary, and belongs to this hair without departing from the modification of main idea of the present invention Bright scope.Such modification has been not to be regarded as a departure from the spirit and scope of the present invention.

Claims (44)

1. a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped at least the One component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component；
Two interconnecting components make one of the first planetary gear set, the second planetary gear set and third planet gear set Component and another component of the first planetary gear set, the second planetary gear set and third planet gear set are constantly mutual Even；And
Six torque-transmitting mechanisms, each torque-transmitting mechanisms can selectively engage, so that first planetary gear One component of group, the second planetary gear set and third planet gear set and the first planetary gear set, the second planetary gear Another component or fixing component interconnection of group and third planet gear set, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, to establish the input Multiple forward speed ratios and at least one reverse gear ratio between component and the output link,
Wherein, the first torque-transmitting mechanisms in six torque-transmitting mechanisms can selectively engage, so that described The first component of one planetary gear set and the first component of second planetary gear set interconnect, wherein, described six The second torque-transmitting mechanisms in a torque-transmitting mechanisms can selectively engage, so that the institute of the first planetary gear set The second component for stating first component and second planetary gear set interconnects.
2. speed changer according to claim 1, wherein, the first interconnecting component in described two interconnecting components makes described The 4th component and the 3rd component of second planetary gear set of one planetary gear set are continuously interconnected.
3. speed changer according to claim 2, wherein, the second interconnecting component in described two interconnecting components makes described The second component of two planetary gear sets and the first component of the third planet gear set are continuously interconnected.
4. speed changer according to claim 1, wherein, the 3rd torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the 3rd component of the first planetary gear set and the third planet gear set State second component interconnection.
5. speed changer according to claim 4, wherein, the 4th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the institute of the 3rd component of second planetary gear set and the third planet gear set State the interconnection of the 3rd component.
6. speed changer according to claim 5, wherein, the 5th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the first component of second planetary gear set is interconnected with the fixing component.
7. speed changer according to claim 6, wherein, the 6th torque-transmitting mechanisms in six torque-transmitting mechanisms It can selectively engage, so that the 3rd component of the third planet gear set is interconnected with the fixing component.
8. speed changer according to claim 1, wherein, the input link is continuously connected into and the first planet tooth The second component of wheel group rotates jointly.
9. speed changer according to claim 8, wherein, the output link is continuously connected into and the third planet tooth The second component of wheel group rotates jointly.
10. speed changer according to claim 1, wherein, the first component of the first planetary gear set, described The 3rd component of two planetary gear sets and the first component of the third planet gear set are the first sun gears, described The second component of the first component of second planetary gear set and the third planet gear set is gear ring, and described The 3rd component of the second component of second planetary gear set and the third planet gear set is planet carrier.
11. speed changer according to claim 10, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
12. speed changer according to claim 10, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
13. speed changer according to claim 10, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
14. speed changer according to claim 10, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
15. speed changer according to claim 10, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engages, and second group of pinion gear is short pinion gear, and described small straight with first group of pinion gear Path portion and second sun gear engagement.
16. speed changer according to claim 10, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
17. speed changer according to claim 10, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
18. speed changer according to claim 10, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
19. a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped at least the One component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component, and wherein, The input link is continuously connected into be rotated jointly with the second component of the first planetary gear set, and described defeated Go out component and be continuously connected into and rotated jointly with the second component of the third planet gear set；
First interconnecting component makes the 4th component of the first planetary gear set and the institute of second planetary gear set The 3rd component is stated to be continuously interconnected；
Second interconnecting component makes the second component of second planetary gear set and the institute of the third planet gear set First component is stated to be continuously interconnected；And
Six torque-transmitting mechanisms, each torque-transmitting mechanisms can selectively engage, so that first planetary gear One component of group, the second planetary gear set and third planet gear set and the first planetary gear set, the second planetary gear Another component or fixing component interconnection of group and third planet gear set, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, to establish the input Multiple forward speed ratios and at least one reverse gear ratio between component and the output link,
Wherein, the first torque-transmitting mechanisms in six torque-transmitting mechanisms can selectively engage, so that described The first component of one planetary gear set and the first component of second planetary gear set interconnect, wherein, described six The second torque-transmitting mechanisms in a torque-transmitting mechanisms can selectively engage, so that the institute of the first planetary gear set The second component for stating first component and second planetary gear set interconnects.
20. speed changer according to claim 19, wherein, the 3rd torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of the first planetary gear set and the third planet gear set The second component interconnection.
21. speed changer according to claim 20, wherein, the 4th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of second planetary gear set and the third planet gear set The 3rd component interconnection.
22. speed changer according to claim 21, wherein, the 5th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the first component of second planetary gear set is interconnected with the fixing component.
23. speed changer according to claim 22, wherein, the 6th torque in six torque-transmitting mechanisms transfers machine Structure can selectively engage, so that the 3rd component of the third planet gear set is interconnected with the fixing component.
24. speed changer according to claim 19, wherein, it is the first component of the first planetary gear set, described The 3rd component of second planetary gear set and the first component of the third planet gear set are the first sun gears, institute It is gear ring to state the first component of the second planetary gear set and the second component of the third planet gear set, and institute It is planet carrier to state the second component of the second planetary gear set and the 3rd component of the third planet gear set.
25. speed changer according to claim 24, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
26. speed changer according to claim 24, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
27. speed changer according to claim 24, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
28. speed changer according to claim 24, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
29. speed changer according to claim 24, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engage, and second group of pinion gear be short pinion gear and with the small diameter of first group of pinion gear Part and second sun gear engagement.
30. speed changer according to claim 24, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
31. speed changer according to claim 24, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
32. speed changer according to claim 24, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
33. a kind of speed changer, including：
Input link；
Output link；
First planetary gear set, the second planetary gear set and third planet gear set, each planetary gear set are equipped at least the One component, second component and the 3rd component, and wherein, the first planetary gear set also includes the 4th component, and wherein, The input link is continuously connected into be rotated jointly with the second component of the first planetary gear set, and described defeated Go out component and be continuously connected into and rotated jointly with the second component of the third planet gear set；
Two interconnecting components, by one of the first planetary gear set, the second planetary gear set and third planet gear set Component and another component of the first planetary gear set, the second planetary gear set and third planet gear set are constantly mutual Even；And
First torque-transmitting mechanisms, can selectively engage so that the first component of the first planetary gear set with The first component interconnection of second planetary gear set；
Second torque-transmitting mechanisms, can selectively engage so that the first component of the first planetary gear set with The second component interconnection of second planetary gear set；
3rd torque-transmitting mechanisms, can selectively engage so that the 3rd component of the first planetary gear set with The second component interconnection of the third planet gear set；
4th torque-transmitting mechanisms, can selectively engage so that the 3rd component of second planetary gear set with The 3rd component interconnection of the third planet gear set；
5th torque-transmitting mechanisms, can selectively engage so that the first component of second planetary gear set with Fixing component interconnects；
6th torque-transmitting mechanisms, can selectively engage so that the 3rd component of the third planet gear set with The fixing component interconnection, and
Wherein, six torque-transmitting mechanisms can selectively be engaged at least three combination, to establish the input Multiple forward speed ratios and at least one reverse gear ratio between component and the output link.
34. speed changer according to claim 33, wherein, the first interconnecting component in described two interconnecting components makes described The 4th component and the 3rd component of second planetary gear set of first planetary gear set are continuously interconnected.
35. speed changer according to claim 34, wherein, the second interconnecting component in described two interconnecting components makes described The second component of second planetary gear set and the first component of the third planet gear set are continuously interconnected.
36. speed changer according to claim 33, wherein, it is the first component of the first planetary gear set, described The 3rd component of second planetary gear set and the first component of the third planet gear set are the first sun gears, institute It is gear ring to state the first component of the second planetary gear set and the second component of the third planet gear set, and institute It is planet carrier to state the second component of the second planetary gear set and the 3rd component of the third planet gear set.
37. speed changer according to claim 36, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, and the described 4th of the first planetary gear set Component is sun gear/gear ring of combination.
38. speed changer according to claim 36, wherein, the second component of the first planetary gear set and the 3rd Component includes the gear ring combined with planet carrier, and the 4th component of the first planetary gear set is sun gear.
39. speed changer according to claim 36, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be long pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
40. speed changer according to claim 36, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear be short pinion gear and with first sun gear, the gear ring and institute State the engagement of second group of pinion gear, and second group of pinion gear be long pinion gear and with first group of pinion gear and institute State the engagement of the second sun gear.
41. speed changer according to claim 36, wherein, the second component of the first planetary gear set is planet Frame, the 3rd component of the first planetary gear set is gear ring, and the 4th component of the first planetary gear set is Second sun gear, and the first planetary gear set includes the first group of pinion gear that can be pivotally supported by the planet carrier With second group of pinion gear, first group of pinion gear is the pinion gear of the length with big diameter portion and small diameter portion, The big diameter portion is engaged with first sun gear, the small diameter portion and the gear ring and described second group small Gear engages, and second group of pinion gear is short pinion gear, and described small straight with first group of pinion gear Path portion and second sun gear engagement.
42. speed changer according to claim 36, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is short pinion gear, first group of pinion gear and first sun Wheel and second group of pinion gear engagement, second group of pinion gear be long pinion gear and with the gear ring and described second Sun gear engages.
43. speed changer according to claim 36, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the small tooth of the length with big diameter portion and small diameter portion Wheel, the big diameter portion are engaged with second sun gear and the gear ring, the small diameter portion and described second Group pinion gear engagement, and second group of pinion gear is short pinion gear, and it is described small with first group of pinion gear Diameter portion and first sun gear engagement.
44. speed changer according to claim 36, wherein, the second component of the first planetary gear set is tooth Circle, the 3rd component of the first planetary gear set is planet carrier, the 4th component of the first planetary gear set It is the second sun gear, and the first planetary gear set includes the first group of small tooth that can be pivotally supported by the planet carrier Wheel and second group of pinion gear, first group of pinion gear is the length engaged with first sun gear and second group of pinion gear Pinion gear, and second group of pinion gear be short pinion gear and with first group of pinion gear, the gear ring and institute State the engagement of the second sun gear.
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US7083540B2 (en) * 2004-03-18 2006-08-01 Ford Global Technologies, Llc Dual clutch transmission having low gear mesh loss
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JP2006161965A (en) * 2004-12-08 2006-06-22 Hino Motors Ltd Vehicular transmission structure
CN101131198A (en) * 2006-08-23 2008-02-27 通用汽车环球科技运作公司 Powertrain with torque converter and axially compact seven speed dual clutch transmission
CN101344159A (en) * 2007-07-13 2009-01-14 通用汽车环球科技运作公司 Multi-speed transmission
CN102444699A (en) * 2010-10-11 2012-05-09 通用汽车环球科技运作有限责任公司 Transmission having at least ten speeds

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