MX164592B - Mejoras en sistema de transmision semi-automatica de engranes de cambio mecanico para vehiculos - Google Patents

Mejoras en sistema de transmision semi-automatica de engranes de cambio mecanico para vehiculos

Info

Publication number
MX164592B
MX164592B MX2455A MX245586A MX164592B MX 164592 B MX164592 B MX 164592B MX 2455 A MX2455 A MX 2455A MX 245586 A MX245586 A MX 245586A MX 164592 B MX164592 B MX 164592B
Authority
MX
Mexico
Prior art keywords
vehicles
semi
transmission system
automatic transmission
change gears
Prior art date
Application number
MX2455A
Other languages
English (en)
Inventor
Michael James Huggins
Timothy John Morscheck
Alan Richard Davis
Original Assignee
Eaton Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24947528&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=MX164592(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of MX164592B publication Critical patent/MX164592B/es

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
    • 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
    • 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
    • F16H3/12—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 with means for synchronisation not incorporated in the clutches
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/04—Smoothing ratio shift
    • F16H61/0403—Synchronisation before shifting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19284—Meshing assisters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19219—Interchangeably locked
    • Y10T74/19377—Slidable keys or clutches
    • Y10T74/19414—Single clutch shaft
    • Y10T74/1947—Selective
    • Y10T74/19474—Multiple key
    • Y10T74/19479—Spur gears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20104—Shift element interlock
    • Y10T74/2011—Shift element interlock with detent, recess, notch, or groove
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20012—Multiple controlled elements
    • Y10T74/20018—Transmission control
    • Y10T74/20085—Restriction of shift, gear selection, or gear engagement
    • Y10T74/20104—Shift element interlock
    • Y10T74/20116—Resiliently biased interlock

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Structure Of Transmissions (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Gear-Shifting Mechanisms (AREA)
MX2455A 1985-05-13 1986-05-12 Mejoras en sistema de transmision semi-automatica de engranes de cambio mecanico para vehiculos MX164592B (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/733,423 US4676115A (en) 1985-05-13 1985-05-13 Semi-automatic transmission

Publications (1)

Publication Number Publication Date
MX164592B true MX164592B (es) 1992-09-04

Family

ID=24947528

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2455A MX164592B (es) 1985-05-13 1986-05-12 Mejoras en sistema de transmision semi-automatica de engranes de cambio mecanico para vehiculos

Country Status (6)

Country Link
US (1) US4676115A (es)
EP (1) EP0203732B1 (es)
JP (1) JPS6288849A (es)
CN (1) CN1006565B (es)
DE (1) DE3664803D1 (es)
MX (1) MX164592B (es)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856362A (en) * 1988-03-04 1989-08-15 Dana Corporation Transmission shift rail interlock
EP0383436B1 (en) * 1989-02-11 1993-03-10 Eaton Corporation Neutral sensing assembly
US4974468A (en) * 1989-02-16 1990-12-04 Eaton Corporation Compound transmission and shift control therefor
GB9006091D0 (en) * 1990-03-17 1990-05-16 Eaton Corp Transducer fault test logic
US5081588A (en) * 1990-03-26 1992-01-14 Eaton Corporation Start from stop control method
FR2674928A1 (fr) * 1991-04-04 1992-10-09 Boulincault Jean Michel Dispositif de synchronisation des vitesses angulaires des arbres d'une boite de vitesses.
US5186066A (en) * 1992-01-23 1993-02-16 Eaton Corporation Dual pressure pressure regulator
US5272931A (en) * 1992-09-25 1993-12-28 Eaton Corporation Transmission shift control mechanism
GB9225890D0 (en) * 1992-12-11 1993-02-03 Eaton Corp Downshift inhibitor
US5413012A (en) * 1993-09-07 1995-05-09 Eaton Corporation Variable synchronous window
US5425284A (en) * 1993-09-07 1995-06-20 Eaton Corporation Automated mechanical transmission control system/method
JPH07306026A (ja) * 1994-05-10 1995-11-21 Nec Yamagata Ltd 半導体装置のリード曲り検査方法及び装置
KR970046648A (ko) * 1995-12-19 1997-07-26 전성원 경사로 밀림 방지기능을 구비한 반자동 변속 제어장치 및 그 방법
US6067871A (en) * 1997-09-12 2000-05-30 Eaton Corporation Variable resistance shift rail detent assembly and shift control method employing same
DE19743180A1 (de) * 1997-09-30 1999-04-01 Wabco Gmbh Verfahren zum Schalten eines halbautomatischen KFZ-Getriebes
CN1065158C (zh) * 1998-06-22 2001-05-02 福光企业股份有限公司 锻造部品成型机专用的齿轮变速机构
JP4270334B2 (ja) * 1999-01-11 2009-05-27 本田技研工業株式会社 車両用常時噛み合い式変速装置
DE10003864B4 (de) * 1999-02-09 2009-09-10 Zf Friedrichshafen Ag Getriebe für ein Fahrzeug
IT1308411B1 (it) * 1999-03-05 2001-12-17 Iveco Fiat Cambio di velocita' per un veicolo industriale.
JP3941906B2 (ja) * 1999-11-17 2007-07-11 三菱電機株式会社 同期噛合式自動変速機の制御装置
US6319171B1 (en) * 2000-04-27 2001-11-20 Eaton Corporation Synchronizing control and method
US6361473B1 (en) 2000-04-27 2002-03-26 Eaton Corporation System/method for synchronized shifting of a manually shifted transmission
US6358183B1 (en) 2000-04-27 2002-03-19 Eaton Corporation System/method for lever shifting of a controller-assisted, manually shifted transmission
US6324928B1 (en) 2000-04-27 2001-12-04 Eaton Corporation Detent plunger assembly and control method
US6422105B1 (en) * 2000-09-07 2002-07-23 Zf Meritor, Llc Electronic modulating synchronizer
DE10145918A1 (de) * 2001-09-18 2003-04-03 Volkswagen Ag Getriebe bzw. Verfahren zur Steuerung eines Getriebes für ein Kraftfahrzeug
DE10150720C1 (de) * 2001-10-13 2003-06-12 Daimler Chrysler Ag Vorrichtung mit einer Einheit zur Beeinflussung eines Antriebsstrangs, Getriebebaureihe und Verfahren
US6904823B2 (en) 2002-04-03 2005-06-14 Immersion Corporation Haptic shifting devices
JP4363018B2 (ja) * 2002-09-20 2009-11-11 いすゞ自動車株式会社 変速機
AU2003285886A1 (en) 2002-10-15 2004-05-04 Immersion Corporation Products and processes for providing force sensations in a user interface
JP4021317B2 (ja) * 2002-12-26 2007-12-12 本田技研工業株式会社 接触機構の制御装置
JP4324406B2 (ja) * 2003-04-24 2009-09-02 本田技研工業株式会社 変速装置のシフトポジション検出装置
GB2415021B (en) * 2004-06-11 2008-09-10 Turner Powertrain Systems Ltd A transmission and shift method
US7350633B2 (en) * 2004-07-20 2008-04-01 General Motors Corporation Apply piston for a power transmission
ATE536504T1 (de) * 2004-09-03 2011-12-15 Schaeffler Technologies Gmbh Verfahren und vorrichtung zum verhindern des einlegens eines unzulässigen gangs bei einem automatisierten schaltgetriebe
FR2925139B1 (fr) * 2007-12-17 2010-01-08 Sc2N Sa Capteur de position d'une boite de vitesses et boite de vitesses correspondante
CN101722838A (zh) * 2008-10-23 2010-06-09 河南科技大学 车辆电控电执行机构自动变速器
US8752442B2 (en) * 2009-12-11 2014-06-17 Volvo Lastvagner Ab Multi-clutch transmission for a motor vehicle
GB2478352A (en) * 2010-03-05 2011-09-07 Gm Global Tech Operations Inc A method of preselecting a gear in a double-clutch transmission
WO2011113153A1 (en) * 2010-03-19 2011-09-22 Transmission Cvtcorp Inc. Drive train provided with a cvt
US8726749B2 (en) * 2011-09-25 2014-05-20 Eaton Corporation Transmission overdrive yoke position sensor for range trigger
CN103185133A (zh) * 2013-03-08 2013-07-03 韦瑞林 一种用内键外齿离合叉滑动换挡的变速方法
US9944165B2 (en) * 2014-01-30 2018-04-17 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
WO2015113411A1 (en) 2014-01-30 2015-08-06 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
CN104279311B (zh) 2014-01-30 2015-11-25 比亚迪股份有限公司 车辆中同步器的控制方法及车辆
WO2015113416A1 (en) 2014-01-30 2015-08-06 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
WO2015113414A1 (en) 2014-01-30 2015-08-06 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
WO2015113412A1 (en) 2014-01-30 2015-08-06 Byd Company Limited Power transmission system for vehicle and vehicle comprising the same
CN104276031B (zh) 2014-01-30 2016-01-13 比亚迪股份有限公司 车辆及其驱动控制方法
DE102014008672B4 (de) * 2014-06-14 2015-12-24 Audi Ag Verfahren zum Betreiben einer Getriebeeinrichtung für ein Kraftfahrzeug sowie entsprechende Getriebeeinrichtung
EP2995488B1 (en) 2014-09-10 2018-12-26 BYD Company Limited Power transmission system and vehicle comprising the same
WO2016037470A1 (en) 2014-09-10 2016-03-17 Byd Company Limited Power transmission system and vehicle comprising the same
EP2995489B1 (en) 2014-09-10 2020-01-22 BYD Company Limited Transmission unit, power transmission system and vehicle comprising the same
US10166973B2 (en) 2014-10-20 2019-01-01 Byd Company Limited Vehicle and shifting control method and power transmission system thereof
CN104608760B (zh) 2014-10-20 2016-05-25 比亚迪股份有限公司 混合动力汽车及其换挡控制方法、动力传动系统
EP3245089B1 (en) 2015-01-16 2021-07-28 BYD Company Limited Power transmission system and vehicle comprising the same
EP3245092B1 (en) 2015-01-16 2022-05-04 BYD Company Limited Power transmission system and vehicle comprising the same
CN104773063B (zh) 2015-01-16 2015-12-02 比亚迪股份有限公司 变速器、动力传动系统和车辆
US10166853B2 (en) 2015-01-16 2019-01-01 Byd Company Limited Transmission unit, power transmission system and vehicle comprising the same
US10124874B1 (en) 2015-01-26 2018-11-13 Brunswick Corporation Systems and methods for controlling planetary transmission arrangements for marine propulsion devices
BR112019012794A2 (pt) * 2016-12-22 2020-03-10 Eaton Cummins Automated Transmission Technologies, Llc Transmissão de alta eficiência, alta de saída
WO2018118127A1 (en) 2016-12-22 2018-06-28 Eaton Corporation High efficiency, high output transmission
US11105412B2 (en) 2016-12-22 2021-08-31 Eaton Cummins Automated Transmission Technologies Llc System, method, and apparatus for managing transmission shutdown operations
CN108730431B (zh) * 2017-04-25 2023-06-23 迪尔公司 具有断开同步器的双断开变速器反向器
CN107781360B (zh) * 2017-11-29 2023-12-05 滁州悦达实业有限公司 动力换挡传动系统
CN207955335U (zh) * 2018-01-19 2018-10-12 精进电动科技股份有限公司 一种纵置单动力源车辆驱动总成
CN112622599B (zh) * 2020-12-28 2022-06-28 潍柴动力股份有限公司 一种机械-液压传动系统、其模式切换控制方法及工程机械

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2775901A (en) * 1955-01-31 1957-01-01 Fuller Mfg Co Shift actuated control device
FR1325886A (fr) * 1962-04-12 1963-05-03 Magneti Marelli Spa Système mécanique électronique ou pneumatique électronique et dispositif y relatif pour le contrôle de l'introduction synchronisée des vitesses dans les changements de vitesse à engrenages
US3452614A (en) * 1967-06-05 1969-07-01 Borg Warner Shift lever mechanism with shift rail interlock and stop means
US3645147A (en) * 1969-11-10 1972-02-29 James W Fodrea Transmission
GB1253960A (en) * 1970-07-31 1971-11-17 Ford Motor Co Motor vehicle transmission
GB1385909A (en) * 1971-05-14 1975-03-05 Cav Ltd Gear change mechanism
IT939884B (it) * 1971-09-25 1973-02-10 Fiat Spa Cambio a sincronizzazione elettroni ca particolarmente per autoveicoli
US4023443A (en) * 1972-12-15 1977-05-17 Nissan Motor Co., Ltd. Transmission synchronizing mechanism
US4194410A (en) * 1977-08-05 1980-03-25 Eaton Corporation Blocked transmission
JPS5923794B2 (ja) * 1977-08-09 1984-06-05 田辺製薬株式会社 ジヒドロキシアセトンの製造法
US4361060A (en) * 1978-01-24 1982-11-30 Smyth Robert Ralston Mechanical automatic transmission
US4273004A (en) * 1978-07-25 1981-06-16 Morrison William M Gear selector mechanism
JPS6016254B2 (ja) * 1978-08-19 1985-04-24 株式会社オハラ ア−ク式歯科用金属溶解方法
US4375172A (en) * 1978-10-02 1983-03-01 Eaton Corporation Blocked change gear transmission utilizing resilient shifting mechanisms and improved jaw clutch assembly therefor
SU880799A2 (ru) * 1978-12-26 1981-11-15 Ярославский Моторный Завод(Производственное Объединение "Автодизель") Устройство дл переключени передач в ступенчатой коробке передач транспортного средства
US4296642A (en) * 1979-08-20 1981-10-27 Dana Corporation Transmission interlock
AU552791B2 (en) * 1981-09-19 1986-06-19 Automotive Products Plc Transmission
US4440037A (en) * 1981-11-04 1984-04-03 Eaton Corporation Shift control
JPS5891950A (ja) * 1981-11-26 1983-06-01 Mitsuwa Seiki Co Ltd 歯車変速機の同期装置
US4445393A (en) * 1982-01-18 1984-05-01 Eaton Corporation Fluid actuated shift bar housing assembly
US4527447A (en) * 1982-12-06 1985-07-09 Eaton Corporation Automatic mechanical transmission system

Also Published As

Publication number Publication date
JPS6288849A (ja) 1987-04-23
DE3664803D1 (en) 1989-09-07
EP0203732A1 (en) 1986-12-03
CN1006565B (zh) 1990-01-24
US4676115A (en) 1987-06-30
EP0203732B1 (en) 1989-08-02
CN86103135A (zh) 1986-11-26

Similar Documents

Publication Publication Date Title
MX164592B (es) Mejoras en sistema de transmision semi-automatica de engranes de cambio mecanico para vehiculos
MX160645A (es) Mejoras en sistemas de transmision combinada de engranaje de cambios de velocidad para un vehiculo
MX158567A (es) Mejoras en junta homocinetica para sistemas de transmision de automovil
IT8647831A0 (it) Cambio per autoveicoli
KR860005997A (ko) 유성기어형 변속시스템
MX161518A (es) Mejoras en sistema de control para la transmision automatica de vehiculos
MX154507A (es) Mejoras en sistema de lubricacion de una transmision automotriz
MX160203A (es) Mejoras a sistema de transmision automatica para vehiculos
ES529990A0 (es) Perfeccionamientos en un grupo de transmision para vehiculo automovil
MX159049A (es) Mejoras en diferencial para transmisiones de automoviles
NL192215B (nl) Tandwieloverbrengingssysteem.
ES503206A0 (es) Perfeccionamientos en las transmisiones de cambio de veloci-dades para vehiculos
MX157757A (es) Mejoras a sistema de control de transmision de vehiculo
ES549301A0 (es) Linea de transmision para vehiculos a motor
MX153261A (es) Mejoras en sistema de transmision multiplex
BR8401972A (pt) Roda dentada de transmissao
MX161525A (es) Mejoras en sistema de transmision de potencia
ES538185A0 (es) Sistema de transmision de relacion variable-continuamente
MX156817A (es) Mejoras de horquilla para junta universal de transmisiones de automoviles
MX162560A (es) Mejoras a sistema de intersujecion para transmisiones de vehidulos
ES2012502B3 (es) Perfeccionamientos en sistemas de transmision a las cuatro ruedas para vehiculos de motor.
ES534235A0 (es) Perfeccionamientos en los sistemas de transmision para vehiculos
BR8406293A (pt) Sistema de engrenagens de potencia combinadas
ES542234A0 (es) Perfeccionamientos en los dispositivos de transmision para vehiculos automoviles
MX155493A (es) Mejoras a transmision mecanica para cambio manual de velocidades en vehiculos