CN106321745A - Four-speed transmission for pure-electric vehicle - Google Patents
Four-speed transmission for pure-electric vehicle Download PDFInfo
- Publication number
- CN106321745A CN106321745A CN201610805005.0A CN201610805005A CN106321745A CN 106321745 A CN106321745 A CN 106321745A CN 201610805005 A CN201610805005 A CN 201610805005A CN 106321745 A CN106321745 A CN 106321745A
- Authority
- CN
- China
- Prior art keywords
- gear
- output shaft
- assembly
- shaft
- jackshaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
- F16H3/0915—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/36—Interlocking devices
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02095—Measures for reducing number of parts or components
Abstract
The invention provides a four-speed transmission for a pure-electric vehicle. The four-speed transmission comprises a main shaft assembly, an intermediate shaft assembly, an output shaft assembly, a transmission front shell and a transmission rear shell; the power of a driving motor is transmitted to a main shaft gear; the main shaft gear is constantly engaged with an intermediate shaft transmission gear; other shift gears of an intermediate shaft are respectively engaged with the shift gears of an output shaft; each gear on the output shaft sleeves the output shaft in an idle manner; when a sliding sleeve moves, a conjunction gear of the sliding sleeve is combined with that of the gear; the output shaft and the gears of the output shaft are integrated and rotate according to a certain speed ratio so as to transmit power; the connection line of the center line of the intermediate shaft and the center line of the output shaft forms an included angle of 20 degrees with the horizontal plane; when the liquid level of lubricating oil reaches the center of the intermediate shaft assembly, the distance from the liquid level to the center of the output shaft is much smaller than that of a traditional layout plan, so convenience can be provided for reliable lubrication of output shaft parts; a shifting fork shaft is arranged in the upper right direction; the distance from a shifting head to the center of the output shaft is smaller than that of a traditional layout plan, so convenience can be provided for reducing the height of the transmission assembly.
Description
Technical field
The present invention relates to transmission for vehicles, particularly relate to a kind of 4 grades of speed changer for pure electric vehicles.
Background technology
China's accumulative production new-energy automobile 37.9 ten thousand in 2015, increases by 4 times on a year-on-year basis, the purest electric commercial vehicle
14.79 ten thousand, increase by 8 times on a year-on-year basis；Pure electric coach has reached 8.8 ten thousand, grows simultaneously 5.7 times.According to the Ministry of Finance before this
" notice of 2016-2020 new-energy automobile popularization and application fiscal support policy " issued, the driving to new-energy automobile is gone through
Journey and unit mounted mass energy consumption are had higher requirement.
Along with the development of new-energy automobile, corollary apparatus main to vehicles such as variators proposes new requirement,
The single countershaft transmission arrangement form of tradition uses countershaft assembly to be arranged on power shaft and output shaft assembly mostly
The form of underface, the most convenient shift control mechanism of arranging, another aspect conveniently arranges the motive power outputting apparatus such as power takeoff.
This arrangement form there is drawbacks in that while having above advantage
Speed changer for pure electric vehicle requires high rotating speed, and traditional arrangement form is stirred the loss in efficiency caused by lubricating oil, makes
The comparison that can not arrange of lubricating oil liquid level is high, thus causing output shaft assembly part in the case of running up can not get can
By lubrication；
When countershaft assembly is arranged on immediately below power shaft and output shaft assembly, it is total that manipulation device can only be arranged on output shaft
Directly over one-tenth, such variator overall height is higher, causes difficulty for arrangement.
Summary of the invention
It is an object of the invention to overcome prior art defect, it is provided that a kind of 4 grades of speed changer for pure electric vehicles, use horizontal
Design, beneficially output shaft part proper lubrication, the beneficially reduction of speed changing assembly height.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of 4 grades of speed changer for pure electric vehicles, including an axle assembly, countershaft assembly, output shaft assembly, variator fore shell
Body and variator back casing；
Variator procapsid and variator back casing are bolted composition case of transmission, an axle assembly and output shaft
Assembly is disposed coaxially in transmission case body, an axle assembly is provided with a shaft gear, output shaft assembly is sequentially provided with output
Axle three keeps off gear, output shaft second gear and one grade of gear of output shaft, between a shaft gear and output shaft third gear, output
Between axle intermediate gear and one grade of gear of output shaft, be respectively arranged with three fourth gear sliding sleeves and one or two grades of sliding sleeves, three fourth gear sliding sleeves and
It is respectively mounted three fourth gear shift forks above one or two grades of sliding sleeves, one or two works as shift fork；Countershaft assembly is arranged under output shaft assembly side
Side, countershaft assembly is disposed with engage with an axle assembly and output shaft assembly each shelves gear jackshaft travelling gear,
Jackshaft three keeps off gear, jackshaft second gear, one grade of gear of jackshaft；Jackshaft and output shaft centrage line and horizontal plane
Angle be 20；The power driving motor passes to a shaft gear of an axle assembly, and a shaft gear is often nibbled with jackshaft travelling gear
Closing, drive jackshaft to rotate, other shifting gear of jackshaft shifting gear each with output shaft respectively engages, each tooth on output shaft
Bye is enclosed within output shaft, and when sliding sleeve moves with shift fork, the combination tooth of the combination tooth of sliding sleeve and gear combines, output shaft with
Output shaft gear is integrally forming and rotates transmission power by certain speed ratio.
Further, variator back casing is provided with self-locking mechanism, arranges in the pressing fork rack being connected with variator procapsid
There is mutual interlocking gear.
Further, described output shaft assembly is respectively by being supported on one without outer ring cylinder roller bearing and cylinder roller bearing
On axle inner ring and variator back casing.
Further, described countershaft assembly front and back end is supported on by cylindrical roller bearing and cylinder roller bearing respectively
On case of transmission.
Further, gear is helical gear.
Further, each gear sliding sleeve and gear combine end face is circular-arc tooth structure.
4 grades of speed changer for pure electric vehicles of the present invention, including an axle assembly, countershaft assembly, output shaft assembly, variator
Procapsid and variator back casing；Jackshaft is 20 ° with the angle of output shaft centrage line with horizontal plane, and lubricating oil liquid level reaches
While countershaft assembly center, it is closely a lot of that the distance of liquid level to output shaft center compares traditional arrangement scheme, is conducive to
Output shaft part proper lubrication；Shift fork axle is arranged on upper right side, and the distance at shifting block distance output shaft center compares traditional arrangement side
Case is also closely a lot, beneficially the reduction of speed changing assembly height.
Two parts, i.e. variator procapsid and variator back casing before and after the employing of case of transmission main part.One axle axle
Hold lid and rear bearing cover be separately positioned on variator procapsid and variator back casing, be used for positioning bearing and oil sealing being installed,
And seal front and rear end.Master-plan number of parts is less, it is easy to assembling.
Further, gear is all helical gear design, and helical gear work load capacity is higher, and the noise of variator reduces.
Further, drive shift is sliding sleeve gear shift, and sliding sleeve is combined spline with gear and is designed as end-face circular, hangs shelves process
In, owing to driving electric machine speed regulation effect, input and outfan speed discrepancy can be made to control in less scope, end face circular arc
Toothing can realize hanging a grade action faster.
For during avoiding shift fork axle to move axially by air drag in housing shift fork axis hole, shift fork axle is machined with flat
Groove.Self-locking mechanism is arranged on variator back casing, and mutual interlocking gear is arranged in the pressing fork rack being connected with variator procapsid, and zero
Part is few, and easy for installation.
Accompanying drawing explanation
Fig. 1 transmission assembly schematic diagram；
Fig. 2 variator arrangement；
In figure: 1, pressing fork rack；2, interlocking steel ball；3, three fourth gear shift fork；4, one or two grades of shift fork axles；5, one or two grades of shift forks；6、
Self-locking device；7, three shift fork shaft No 4；8, variator procapsid；9, an axle bearing lid；10, an axle assembly；11, jackshaft is total
Become；12, variator back casing；13, output shaft assembly；14, main shaft back casing；15, ring flange；16, one or two grades of sliding sleeves；17, one
Shelves shelves toothholder；18, three fourth gear sliding sleeve；19 3 fourth gear toothholders.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is described in further detail:
As depicted in figs. 1 and 2, a kind of 4 grades of speed changer for pure electric vehicle body structures: for single countershaft transmission.Wherein wrap
Including an axle assembly 10, its right-hand member connects output shaft assembly 13, and output shaft assembly is respectively by without outer ring cylinder roller bearing and circle
Post roller bearing supports is on an axle inner ring and variator back casing 12.Three gears it are provided with, from a left side on output shaft assembly 13
Gear, output shaft second gear, one grade of gear of output shaft is kept off to the right output shaft three that is respectively.In a shaft gear and output shaft third gear
Between gear, between output shaft intermediate gear and one grade of gear of output shaft, it is respectively arranged with three fourth gear sliding sleeves 17 and one or two grades of cunnings
Set 16, is respectively mounted three fourth gear shift forks 4,1 when shift fork 5 above sliding sleeve；Countershaft assembly 7 is arranged in output shaft assembly lower left,
Countershaft assembly front and back end is supported on case of transmission by cylindrical roller bearing and cylinder roller bearing respectively.Jackshaft
Assembly is respectively arranged with jackshaft travelling gear, the centre engaged with an axle assembly and output shaft assembly each shelves gear from left to right
Axle three keeps off gear, jackshaft second gear, one grade of gear of jackshaft.
The power driving motor passes to a shaft gear of variator, and a shaft gear often engages with jackshaft travelling gear, drives
Disorder of internal organs countershaft rotates, and other shifting gear of jackshaft shifting gear each with output shaft respectively engages, and each gear on output shaft is empty
It is enclosed within output shaft.Owing to the toothholder below sliding sleeve is coupled by spline with output shaft, when sliding sleeve moves with shift fork, sliding
The combination tooth of set combines with the combination tooth of gear, and output shaft is just integrally forming with output shaft gear and by certain speed ratio rotation
Transmission power.
As a example by third gear, three fourth gear sliding sleeves of operation transmission are linked into third gear side, and power passes through one after an axle input
Shaft gear and the meshing relation of jackshaft travelling gear, drive jackshaft to rotate, and third-speed gear of intermediate shaft and jackshaft are because of mistake
It is full of connection synchronous rotary, and then the output shaft third gear being engaged with also rotates with, and drives three below three fourth gear sliding sleeves
Fourth gear toothholder 19 rotates, and three fourth gear toothholders 19 are connected by spline with output shaft, and then power is just transferred to output shaft by sliding sleeve,
And then exported by ring flange 15.Remaining except direct high each drive shift power transmission line by that analogy.
When hanging direct high, power inputs from an axle, through a shaft gear > three fourth gear sliding sleeves > three fourth gear toothholders >
Output shaft > output flange directly exports.
As in figure 2 it is shown, the angle of jackshaft and output shaft centrage line and horizontal plane is 20 °, i.e. countershaft assembly sets
Put in output shaft assembly lower left, be arranged on the upper right side of output shaft assembly, lubricating oil liquid level for fixing the shift fork axle of shift fork
While reaching countershaft assembly center, it is closely a lot, favorably that the distance of liquid level to output shaft center compares traditional arrangement scheme
In output shaft part proper lubrication；Shift fork axle is arranged on upper right side, and the distance at shifting block distance output shaft center compares traditional arrangement
Scheme is also closely a lot, beneficially the reduction of speed changing assembly height.Without reversing gear, the operating of power shaft direction, speed change when needing to move backward
Device is linked into 1 grade of realization and reverses gear.
Drive shift is sliding sleeve gear shift, and sliding sleeve is combined spline with gear and is designed as end-face circular, during hanging shelves, due to
Drive electric machine speed regulation effect, input and outfan speed discrepancy can be made to control in less scope, end face circular-arc tooth structure
Can realize hanging a grade action faster.
Shift fork or guide block are fixed on shift fork axle by spiral elasticity straight pin, simple in construction, low cost, and can in case
Pine.Shift fork axle is supported in variator procapsid and back casing shift fork axis hole.For avoiding shift fork axle to be subject to during moving axially
Air drag in housing shift fork axis hole, shift fork axle is machined with and rises as high as the banks.
Self-locking mechanism is arranged on variator back casing, and mutual interlocking gear is arranged on the pressing fork rack being connected with variator procapsid
In, part is few, and easy for installation.Helical teeth speed variator owing to there is axial force, the multiplex taper roll bearing of bearing.And taper roller
Bearing needs to adjust axial gap, is not easy to the assembling of assembly.If it is improper not adjust or adjust, bearing is easily damaged.This
In mesh, the cogged rotation direction of institute identical (all using dextrorotation), the two pairs of gear axial force sides being therefore simultaneously engaged on jackshaft
To (during engagement, jackshaft travelling gear is driven gear, and remaining each shelves gear of jackshaft is driving gear, therefore rotation direction on the contrary
Though it is identical but axial force is in opposite direction)；The setting with the axial force base of each shifting gear of helical angle size during design gear simultaneously
This is the most equal for standard, acts on two axial forces that the engagement of the helical teeth on jackshaft produces thus and cancels out each other a part,
Jackshaft rear and front end employs cylinder roller bearing, improves assembly performance and the reliability of assembly；
Jackshaft third gear, fourth gear press-fit transmission moment of torsion, simple in construction by interference, and number of parts is few.This project can be defeated
Go out flange end and connect parking brake, and reserve interface.
4 grades (without reverse gears), the input torque 500Nm of the present invention, input speed 4500rpm lightweight, the highest pure electronic
Automobile specified variator, is the commercial car of 7-8 ton, special vehicle etc. mainly for 7-8m passenger vehicle and dead weight.Estimate this
Moment of torsion section variator aggregate demand in 2016 reaches more than ten thousand.
Above content is further description made for the present invention, it is impossible to only assert the detailed description of the invention of the present invention
It is limited to this, for general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, also
Some simple deduction or replace can be made, all should be considered as belonging to the present invention and be determined invention by the claims submitted to
Protection domain.
Claims (6)
1. 4 grades of speed changer for pure electric vehicles, it is characterised in that: include an axle assembly (10), countershaft assembly (11), output
Axle assembly (13), variator procapsid (8) and variator back casing (12)；
Variator procapsid (8) and variator back casing (12) are bolted composition case of transmission, an axle assembly (10)
Being disposed coaxially in transmission case body with output shaft assembly (13), an axle assembly is provided with a shaft gear on (10), and output shaft is total
Become to be sequentially provided with output shaft three on (13) and keep off gear, output shaft second gear and one grade of gear of output shaft, at a shaft gear and defeated
Between shaft third gear, between output shaft intermediate gear and one grade of gear of output shaft, it is respectively arranged with three fourth gear sliding sleeves (17)
With one or two grades of sliding sleeves (16), three fourth gear sliding sleeves (17) and one or two grades of sliding sleeves (16) top be respectively mounted three fourth gear shift forks (4), one or two
When shift fork (5)；
Countershaft assembly (7) is arranged in output shaft assembly (13) side-lower, and countershaft assembly (7) is disposed with and an axle
Jackshaft travelling gear, jackshaft three that assembly (10) and output shaft assembly (13) each shelves gear engage keep off gear, jackshaft two
Gear gear, one grade of gear of jackshaft；Jackshaft is 20 ° with the angle of output shaft centrage line with horizontal plane；
The power driving motor passes to a shaft gear of an axle assembly (10), and a shaft gear often engages with jackshaft travelling gear,
Driving jackshaft rotates, and other shifting gear of jackshaft shifting gear each with output shaft respectively engages, each gear on output shaft
Empty set is on output shaft, and when sliding sleeve moves with shift fork, the combination tooth of sliding sleeve combines with the combination tooth of gear, and output shaft is with defeated
Go out shaft gear be integrally forming and rotate transmission power by certain speed ratio.
4 grades of speed changer for pure electric vehicles the most according to claim 1, it is characterised in that: it is provided with on variator back casing
Self-locking mechanism, is provided with mutual interlocking gear in the pressing fork rack being connected with variator procapsid.
4 grades of speed changer for pure electric vehicles the most according to claim 1 and 2, it is characterised in that: described output shaft assembly (13)
Respectively by being supported on an axle inner ring and variator back casing (12) without outer ring cylinder roller bearing and cylinder roller bearing.
4 grades of speed changer for pure electric vehicles the most according to claim 1 and 2, it is characterised in that: described countershaft assembly (11)
Front and back end is supported on case of transmission by cylindrical roller bearing and cylinder roller bearing respectively.
4 grades of speed changer for pure electric vehicles the most according to claim 1 and 2, it is characterised in that: gear is helical gear.
4 grades of speed changer for pure electric vehicles the most according to claim 1 and 2, it is characterised in that: each gear sliding sleeve and gear knot
Conjunction end face is circular-arc tooth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805005.0A CN106321745A (en) | 2016-09-06 | 2016-09-06 | Four-speed transmission for pure-electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610805005.0A CN106321745A (en) | 2016-09-06 | 2016-09-06 | Four-speed transmission for pure-electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321745A true CN106321745A (en) | 2017-01-11 |
Family
ID=57787463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610805005.0A Pending CN106321745A (en) | 2016-09-06 | 2016-09-06 | Four-speed transmission for pure-electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321745A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163062A (en) * | 2018-09-25 | 2019-01-08 | 西安法士特汽车传动有限公司 | A kind of two grades of pure electric vehicle speed changers |
| CN112360934A (en) * | 2020-12-02 | 2021-02-12 | 苏州绿控传动科技股份有限公司 | Commercial transmission of new forms of energy electricelectric motor |
| CN112594346A (en) * | 2020-12-04 | 2021-04-02 | 西安法士特汽车传动有限公司 | 4-gear double-intermediate-shaft wide-speed-ratio new-energy high-speed transmission |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582923Y (en) * | 2002-10-11 | 2003-10-29 | 陕西法士特齿轮有限责任公司 | Speed variator for car |
| JP2004270938A (en) * | 2003-03-07 | 2004-09-30 | Borgwarner Inc | Differential gear pinion having grooved inner hole |
| CN203248624U (en) * | 2013-05-07 | 2013-10-23 | 桂林福达机器有限公司 | Four-gear rear auxiliary box speed changer |
| CN203926703U (en) * | 2014-06-10 | 2014-11-05 | 杭州前进齿轮箱集团股份有限公司 | The pure electronic low-noise coach speed changer of a kind of four gear |
| CN206072257U (en) * | 2016-09-06 | 2017-04-05 | 西安法士特汽车传动有限公司 | A kind of 4 grades of speed changer for pure electric vehicle |
-
2016
- 2016-09-06 CN CN201610805005.0A patent/CN106321745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2582923Y (en) * | 2002-10-11 | 2003-10-29 | 陕西法士特齿轮有限责任公司 | Speed variator for car |
| JP2004270938A (en) * | 2003-03-07 | 2004-09-30 | Borgwarner Inc | Differential gear pinion having grooved inner hole |
| CN203248624U (en) * | 2013-05-07 | 2013-10-23 | 桂林福达机器有限公司 | Four-gear rear auxiliary box speed changer |
| CN203926703U (en) * | 2014-06-10 | 2014-11-05 | 杭州前进齿轮箱集团股份有限公司 | The pure electronic low-noise coach speed changer of a kind of four gear |
| CN206072257U (en) * | 2016-09-06 | 2017-04-05 | 西安法士特汽车传动有限公司 | A kind of 4 grades of speed changer for pure electric vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163062A (en) * | 2018-09-25 | 2019-01-08 | 西安法士特汽车传动有限公司 | A kind of two grades of pure electric vehicle speed changers |
| CN112360934A (en) * | 2020-12-02 | 2021-02-12 | 苏州绿控传动科技股份有限公司 | Commercial transmission of new forms of energy electricelectric motor |
| CN112594346A (en) * | 2020-12-04 | 2021-04-02 | 西安法士特汽车传动有限公司 | 4-gear double-intermediate-shaft wide-speed-ratio new-energy high-speed transmission |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170111 |
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| RJ01 | Rejection of invention patent application after publication |