WO2003054421A1 - Boite de vitesses multi-etagee - Google Patents

Boite de vitesses multi-etagee Download PDF

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Publication number
WO2003054421A1
WO2003054421A1 PCT/EP2002/014357 EP0214357W WO03054421A1 WO 2003054421 A1 WO2003054421 A1 WO 2003054421A1 EP 0214357 W EP0214357 W EP 0214357W WO 03054421 A1 WO03054421 A1 WO 03054421A1
Authority
WO
WIPO (PCT)
Prior art keywords
planetary gear
shaft
transmission according
stage transmission
gear set
Prior art date
Application number
PCT/EP2002/014357
Other languages
German (de)
English (en)
Inventor
Gerhard Gumpoltsberger
Original Assignee
Zf Friedrichshafen Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2003054421A1 publication Critical patent/WO2003054421A1/fr

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
    • F16H3/44—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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0052—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising six 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

Definitions

  • the present invention relates to a multi-stage transmission in planetary design, in particular an automatic transmission for a motor vehicle according to the preamble of claim 1.
  • automatic transmissions in particular for motor vehicles, comprise planetary gear sets which are shifted by means of friction or shifting elements such as clutches and brakes and usually with a starting element which is subject to a misalignment and optionally provided with a lock-up clutch, such as a hydrodynamic torque converter or a flow coupling are connected.
  • Such a transmission is shown in EP 0 434 525 AI. It essentially comprises an input shaft and an output shaft, which are arranged parallel to each other, a double planetary gear set arranged concentrically to the output shaft and five shift elements in the form of three clutches and two brakes, the locking of which in pairs determines the different gear ratios between the input shaft and the output shaft ,
  • EP 0 434 525 AI discloses a multi-stage transmission which has an input shaft and an output shaft which are arranged in a housing, a planetary gear set which is concentric with the output shaft and consists of four elements denoted by a first to a fourth in the order of speed, i. H. a so-called double planetary gear set and five shift elements, namely three clutches and two brakes, the selective pairwise engagement of which determines different gear ratios between the input shaft and the output shaft, the transmission having two power paths, so that six forward gears are achieved by the selective paired engagement of the five shift elements ,
  • the present invention is based on the object of proposing a multi-speed transmission of the type mentioned at the outset, in which the construction effort is optimized and, in addition, the efficiency in the main driving aisles is improved with regard to drag and toothing losses.
  • the multi-stage transmission according to the invention in planetary construction comprises a drive shaft and an exhaust drive shaft, which are arranged in a housing, at least three single-planet planetary gears, the first single-planet planetary gear set defining a fixed input ratio for the second planetary gear set, at least six rotatable shafts and at least five shifting elements, preferably two brakes and three clutches, their selective engagement in pairs causes different transmission ratios between the drive shaft and the output shaft, so that preferably six forward gears and one reverse gear can be realized.
  • the drive shaft is directly connected to the web of the first planetary gear set and the sun gear of the first planetary gear set is continuously connected directly to the housing.
  • the output shaft is connected to the ring gear of the second planetary gear set and the land of the third planetary gear set, wherein a further shaft is permanently connected to the land of the second planetary gear set and the ring gear of the third planetary gear set, and a further shaft is continuously connected to the sun of the second planetary gear set connected is.
  • a further shaft is constantly connected to the ring gear of the first planetary gear set; a further shaft is permanently connected to the sun gear of the third planetary gear set.
  • the planetary gear sets are coupled by means of switching elements and / or shafts.
  • the construction according to the invention results in suitable translations and a considerable increase in the overall spread of the multi-speed transmission, which results in increased driving comfort and a significant reduction in consumption.
  • the multi-speed transmission according to the invention is suitable for any motor vehicle, in particular for passenger vehicles and for commercial vehicles, such as. B. trucks, buses, construction vehicles, rail vehicles, caterpillars and the like.
  • the construction effort is considerably reduced by a small number of switching elements, namely preferably by only three clutches and two brakes.
  • the multi-speed transmission according to the invention it is advantageously possible with the multi-speed transmission according to the invention to start with a hydrodynamic converter, an external starting clutch or another suitable external one. Starting element to perform. It is also conceivable to enable a starting process with a starting element integrated in the transmission.
  • the multi-speed transmission according to the invention has good efficiency with regard to drag and toothing losses.
  • the transmission according to the invention is designed in such a way that it can be adapted to different drive train configurations both in the direction of the power flow and in spatial terms.
  • the invention is further explained below with reference to the drawings. In these represent:
  • Figure 1 is a schematic view of an embodiment of a multi-speed transmission according to the invention.
  • Fig. 2 is a shifting scheme for the multi-speed transmission according to the invention according to Fig. 1 and
  • Fig. 3 is a schematic view of another
  • FIG. 1 has Mehrlienge- the invention 'a drive shaft gear in planetary design 1 (An) and an output shaft 2 (Ab), which are arranged in a housing, and three single leg planet proposition Pl, P2 and P3, wherein the first grouser Planet set P1 defines a fixed input translation for the second planetary set and is preferably designed as a plus planetary set.
  • the planetary gear sets P2 and P3 are preferably designed as minus planetary gear sets.
  • six rotatable shafts 1, 2, 3, 4, 5 and 6 and five shift elements, namely two brakes 03, 04 and three clutches 13, 16, 45 are provided, the selective engagement of which causes different transmission ratios between the drive shaft and the output shaft , so that six forward gears and one reverse gear can be achieved.
  • the drive shaft 1 is connected directly to the web of the first planetary gear set P1 bound, and the sun gear of the first planetary gear set Pl is permanently connected directly to the housing (shaft 0).
  • the output shaft 2 is connected according to the invention to the ring gear of the second planetary gear set P2 and the land of the third planetary gear set P3 and the shaft 3 is continuously connected to the land of the second planetary gear set P2 and the ring gear of the third planetary gear set P3.
  • the shaft 4 is constantly connected to the sun gear of the second planetary gear set P2, the shaft 5 being continuously connected to the ring gear of the first planetary gear set P1 and the shaft 6 is continuously connected to the sun gear of the third planetary gear set P3.
  • the shafts 3 and 4 can be coupled to the housing by the brakes 03 and 04; the coupling 13 releasably connects the shafts 1 and 3 and the coupling 16 releasably the shafts 1 and 6, the coupling 45 releasably connecting the shafts 4 and 5.
  • the multi-speed transmission according to the invention has a progressive gear gradation.
  • double shifts are avoided with sequential shifting, since two adjacent gear stages each share a shifting element.
  • Clutch 16 is continuously activated for gears 1 to 4; these gears result from the additional activation of brake 03 (first gear), the brake 04 (second gear), the clutch 45 (third gear), the clutch 13 (fourth gear).
  • clutch 13 remains closed and the gears result from additional activation of clutch 45 (fifth gear) and brake 04 (sixth gear).
  • the shifting of the reverse gear requires the activation of the brake 03 and the clutch 45.
  • the fixed connection of the web of the first planetary gear set Pl with the housing can be done by a releasable connection z. B. be replaced by a brake.
  • a releasable connection z. B. be replaced by a brake.
  • FIG. 3 which corresponds to the embodiment according to FIG. 1, with the difference that the connection of the web of the first planetary gear set P1 to the housing is designed to be detachable by means of a brake 00.
  • an electric machine or another suitable additional drive source can be arranged on the shaft 0 released by the brake 00.
  • the construction according to the invention makes it possible to arrange the drive and the output both on the same side of the transmission or the housing and in the opposite direction.
  • An axle differential or a distributor differential can also be arranged on the drive or driven side of the housing.
  • the drive shaft can be separated from a drive motor as required by a coupling element, wherein a hydrodynamic converter, a hydraulic coupling, a dry starting clutch, a wet starting clutch, a magnetic powder clutch or a centrifugal clutch can be used as the coupling element.
  • starting element behind the transmission, in which case the drive shaft is firmly connected to the crankshaft of the engine.
  • starting can also take place by means of a shift element of the transmission, preferably by means of the brake 04, the brake 03 or the clutch 16.
  • the multi-speed transmission according to the invention also enables the arrangement of a torsional vibration damper between the engine and transmission.
  • a wear-free brake can be arranged on each shaft, preferably on the drive shaft or the output shaft, which is particularly important for use in commercial vehicles.
  • a power take-off can also be provided on each shaft to drive additional units.
  • the switching elements used can be designed as load-switching clutches or brakes; Multi-disc clutches, band brakes and / or cone clutches can also be used. In addition, positive brakes and / or clutches such as synchronizers or dog clutches can also be used. Another advantage of the multi-speed transmission presented here is that an electric machine can be attached to each shaft as a generator and / or as an additional drive machine.

Abstract

Boîte de vitesses multi-étagée qui comporte un arbre d'entrée et un arbre de sortie, trois trains épicycloïdaux (P1, P2, P3) à un seul porte-satellites, le premier train épicycloïdal (P1) à un seul porte-satellites définissant un rapport de transmission d'entrée fixe, au moins six arbres rotatifs (1, 2, 3, 4, 5, 6) ainsi qu'au moins cinq éléments (03, 04, 13, 16, 45) de changement de vitesse, si bien que six vitesses avant et une vitesse arrière sont réalisables. L'arbre d'entrée (1) est directement couplé au porte-satellites du premier train épicycloïdal (P1), le planétaire du premier train épicycloïdal (P1) est couplé au boîtier, l'arbre de sortie (2) est couplé à la roue à denture intérieure du deuxième train épicycloïdal (P2) et au porte-satellites du troisième train épicycloïdal (P3). L'arbre (3) est couplé en permanence au porte-satellites du deuxième train épicycloïdal (P2) et à la roue à denture intérieure du troisième train épicycloïdal (P3). L'arbre (4) est couplé en permanence au planétaire du deuxième train épicycloïdal (P2), l'arbre (5) est couplé en permanence à la roue à denture intérieure du premier train épicycloïdal (P1) et l'arbre (6) est couplé en permanence au planétaire du troisième train épicycloïdal (P3). Les trains épicycloïdaux (P1, P2, P3) sont couplés à l'aide d'arbres (0, 1, 2, 3, 4, 5, 6) et d'éléments (03, 04, 13, 16, 45) de changement de vitesse.
PCT/EP2002/014357 2001-12-20 2002-12-17 Boite de vitesses multi-etagee WO2003054421A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10162886.2 2001-12-20
DE2001162886 DE10162886A1 (de) 2001-12-20 2001-12-20 Mehrstufengetriebe

Publications (1)

Publication Number Publication Date
WO2003054421A1 true WO2003054421A1 (fr) 2003-07-03

Family

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Family Applications (1)

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PCT/EP2002/014357 WO2003054421A1 (fr) 2001-12-20 2002-12-17 Boite de vitesses multi-etagee

Country Status (2)

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DE (1) DE10162886A1 (fr)
WO (1) WO2003054421A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004023952A1 (de) * 2004-05-14 2005-12-01 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102004023946A1 (de) * 2004-05-14 2005-12-08 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102004023953A1 (de) * 2004-05-14 2005-12-01 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102004023945A1 (de) * 2004-05-14 2005-12-08 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102004023940A1 (de) * 2004-05-14 2005-12-08 Zf Friedrichshafen Ag Mehrstufengetriebe
DE102004023944A1 (de) * 2004-05-14 2005-12-08 Zf Friedrichshafen Ag Mehrstufengetriebe
EP4134568A1 (fr) * 2021-08-13 2023-02-15 ZF Friedrichshafen AG Boîte de vitesses à commande sous charge sans interruption de la force de traction pour bicyclettes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107851A (ja) * 1988-10-14 1990-04-19 Toyota Motor Corp 車両用遊星歯車式変速装置
EP0434525A1 (fr) 1989-12-18 1991-06-26 Pierre André Georges Lepelletier Transmission automatique multivitesses pour véhicule automobile
JP2000240741A (ja) * 1999-02-22 2000-09-05 Aisin Seiki Co Ltd 変速装置
DE19912480A1 (de) * 1999-03-22 2000-09-28 Zahnradfabrik Friedrichshafen Automatisch schaltbares Kraftfahrzeuggetriebe
JP2000291747A (ja) * 1999-04-02 2000-10-20 Aisin Seiki Co Ltd 変速装置
JP2000310300A (ja) * 1999-02-22 2000-11-07 Aisin Seiki Co Ltd 変速装置
DE19949507A1 (de) 1999-10-14 2001-04-19 Zahnradfabrik Friedrichshafen Mehrstufengetriebe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02107851A (ja) * 1988-10-14 1990-04-19 Toyota Motor Corp 車両用遊星歯車式変速装置
EP0434525A1 (fr) 1989-12-18 1991-06-26 Pierre André Georges Lepelletier Transmission automatique multivitesses pour véhicule automobile
JP2000240741A (ja) * 1999-02-22 2000-09-05 Aisin Seiki Co Ltd 変速装置
JP2000310300A (ja) * 1999-02-22 2000-11-07 Aisin Seiki Co Ltd 変速装置
DE19912480A1 (de) * 1999-03-22 2000-09-28 Zahnradfabrik Friedrichshafen Automatisch schaltbares Kraftfahrzeuggetriebe
JP2000291747A (ja) * 1999-04-02 2000-10-20 Aisin Seiki Co Ltd 変速装置
DE19949507A1 (de) 1999-10-14 2001-04-19 Zahnradfabrik Friedrichshafen Mehrstufengetriebe

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 319 (M - 0996) 9 July 1990 (1990-07-09) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 12 3 January 2001 (2001-01-03) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 13 5 February 2001 (2001-02-05) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 14 5 March 2001 (2001-03-05) *
TENBERGE P: "E-AUTOMAT AUTOMATIKGETRIEBE MIT ESPRIT", VDI BERICHTE, DUESSELDORF, DE, no. 1610, 2001, pages 455 - 479, XP008010754, ISSN: 0083-5560 *

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