ES534150A0 - Metodo para el control de la operacion del cambio de velocidades en una transmision automatica - Google Patents
Metodo para el control de la operacion del cambio de velocidades en una transmision automaticaInfo
- Publication number
- ES534150A0 ES534150A0 ES534150A ES534150A ES534150A0 ES 534150 A0 ES534150 A0 ES 534150A0 ES 534150 A ES534150 A ES 534150A ES 534150 A ES534150 A ES 534150A ES 534150 A0 ES534150 A0 ES 534150A0
- Authority
- ES
- Spain
- Prior art keywords
- control
- automatic transmission
- speed change
- automatic
- speed
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title 1
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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/19—Improvement of gear change, e.g. by synchronisation or smoothing gear shift
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/021—Clutch engagement state
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1005—Transmission ratio engaged
-
- 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
- F16H2059/6807—Status of gear-change operation, e.g. clutch fully engaged
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1204—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures for malfunction caused by simultaneous engagement of different ratios resulting in transmission lock state or tie-up condition
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1244—Keeping the current state
-
- 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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1288—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is an actuator
-
- 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
- F16H61/68—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 stepped gearings
- F16H61/682—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 stepped gearings with interruption of drive
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Automation & Control Theory (AREA)
- Control Of Transmission Device (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11845283A JPS6011760A (ja) | 1983-06-30 | 1983-06-30 | 自動変速機の変速制御法 |
JP11845183A JPS6011759A (ja) | 1983-06-30 | 1983-06-30 | 自動変速機の変速制御法 |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8604680A1 ES8604680A1 (es) | 1986-02-01 |
ES534150A0 true ES534150A0 (es) | 1986-02-01 |
Family
ID=26456387
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES545219A Expired ES8703978A1 (es) | 1983-06-30 | 1984-06-29 | Metodo para el control funcional del cambio de velocidades en una transmision automatica |
ES534150A Expired ES8604680A1 (es) | 1983-06-30 | 1984-06-29 | Metodo para el control de la operacion del cambio de velocidades en una transmision automatica |
ES545218A Expired ES8701336A1 (es) | 1983-06-30 | 1985-07-01 | Metodo para el control del accionamiento del cambio de velocidades en una transmision automatica. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES545219A Expired ES8703978A1 (es) | 1983-06-30 | 1984-06-29 | Metodo para el control funcional del cambio de velocidades en una transmision automatica |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES545218A Expired ES8701336A1 (es) | 1983-06-30 | 1985-07-01 | Metodo para el control del accionamiento del cambio de velocidades en una transmision automatica. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5043895A (es) |
EP (1) | EP0130812B1 (es) |
KR (1) | KR880002568B1 (es) |
AU (1) | AU560057B2 (es) |
CA (1) | CA1217834A (es) |
DE (1) | DE3467226D1 (es) |
ES (3) | ES8703978A1 (es) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0665907B2 (ja) * | 1984-04-18 | 1994-08-24 | 株式会社日立製作所 | 変速機制御装置 |
EP0209263B1 (en) * | 1985-07-15 | 1990-08-01 | A.B. Volvo | Vehicle power transmissions |
JPH0672659B2 (ja) * | 1985-08-29 | 1994-09-14 | いすゞ自動車株式会社 | 車両用自動変速機のシフト制御装置 |
JPS62194060A (ja) * | 1986-02-17 | 1987-08-26 | Toyota Motor Corp | 自動変速機の変速制御装置 |
US4702127A (en) * | 1986-04-18 | 1987-10-27 | Eaton Corporation | Method for controlling AMT system including gear neutral sensor signal fault detection and tolerance |
HUT51548A (en) * | 1988-07-15 | 1990-05-28 | Attila Madocsay | Device for automatic switching the multi-stage mechanic gear box of motor vehicles |
US4945484A (en) * | 1988-10-13 | 1990-07-31 | Eaton Corporation | Method and control system for controlling AMT system including detection of erroneous gear neutral indication |
US5099711A (en) * | 1991-05-09 | 1992-03-31 | Eaton Corporation | Tooth butt/buzz control method/system |
US5261288A (en) * | 1992-12-18 | 1993-11-16 | Eaton Corporation | Enhanced missed shift from neutral recovery for automated or semi-automated mechanical transmission system |
GB9312013D0 (en) * | 1993-06-10 | 1993-07-28 | Eaton Corp | Clutch disengage logic |
US5401223A (en) * | 1993-08-18 | 1995-03-28 | Cummins Electronics Company, Inc. | Method and device for controlling critical switch failure and neutral conditions at high and low vehicle speeds |
US5498195A (en) * | 1994-11-10 | 1996-03-12 | Cummins Electronics Company, Inc. | Apparatus and method for verifying gear engagement in controlling the automatic shifting of a manual-automatic transmission |
GB2296543B (en) * | 1994-12-24 | 1998-12-23 | Massey Ferguson Sa | Gearshift control system |
US5638271A (en) * | 1995-01-04 | 1997-06-10 | Cummins Engine Company, Inc. | Apparatus and method for assisting gear engagement in controlling the automatic shifting of a manual-automatic transmission |
US5653143A (en) * | 1995-06-06 | 1997-08-05 | Langevin; David W. | Automatic mechanical variable ratio transmission |
US5609548A (en) * | 1995-06-07 | 1997-03-11 | Cummins Engine Company, Inc. | Apparatus and method for commanding a gear after an aborted shift attempt in controlling a manual-automatic transmission |
US5591102A (en) * | 1995-06-07 | 1997-01-07 | Cummins Engine Company, Inc. | Apparatus and method for controlling a manual-automatic transmission after a power reset |
KR100500721B1 (ko) * | 1996-03-14 | 2005-11-25 | 루크 게트리에베시스템 게엠베하 | 차량및제어방법 |
JP3817297B2 (ja) * | 1996-04-17 | 2006-09-06 | ヴァレオユニシアトランスミッション株式会社 | 自動クラッチ |
US6145398A (en) * | 1998-02-20 | 2000-11-14 | New Venture Gear, Inc. | Electronically controlled shift system for a manual transmission |
DE19957917A1 (de) * | 1998-12-11 | 2000-06-15 | Luk Getriebe Systeme Gmbh | Betätigungseinrichtung |
JP5844913B2 (ja) * | 2012-09-26 | 2016-01-20 | ジヤトコ株式会社 | 自動変速機及び自動変速機の制御方法 |
JP5989882B2 (ja) * | 2015-10-13 | 2016-09-07 | ヤマハ発動機株式会社 | 変速装置、その変速装置を備えた車両、およびその変速装置を備えた自動二輪車 |
CN107650791A (zh) * | 2017-09-28 | 2018-02-02 | 深圳市华琥技术有限公司 | 一种车辆监测系统及车辆 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT939884B (it) * | 1971-09-25 | 1973-02-10 | Fiat Spa | Cambio a sincronizzazione elettroni ca particolarmente per autoveicoli |
FR2278520A1 (fr) * | 1974-04-24 | 1976-02-13 | Berliet Automobiles | Procede pour la commande automatique d'une boite de vitesses sur un vehicule automobile |
GB1493191A (en) * | 1975-01-02 | 1977-11-23 | Texas Instruments Ltd | Controlled mechanical system |
US4361060A (en) * | 1978-01-24 | 1982-11-30 | Smyth Robert Ralston | Mechanical automatic transmission |
GB2025546B (en) * | 1978-07-13 | 1982-10-06 | British Leyland Cars Ltd | Transmissionsfor motor vehicle |
JPS5547041A (en) * | 1978-09-30 | 1980-04-02 | Aisin Warner Ltd | Controller for automatic speed change gear |
FR2461857A1 (fr) * | 1979-07-24 | 1981-02-06 | Renault | Dispositif electronique de commande des changements de rapports de vitesses pour une transmission automatique de vehicule automobile |
US4373619A (en) * | 1980-04-07 | 1983-02-15 | Grad-Line, Inc. | Transmission control system |
JPS57146944A (en) * | 1981-03-04 | 1982-09-10 | Toyota Motor Corp | Speed change controller of automatic speed changer |
JPS6049793B2 (ja) * | 1981-03-30 | 1985-11-05 | 日産自動車株式会社 | ロツクアツプ式自動変速機のロツクアツプ制御装置 |
JPS57184751A (en) * | 1981-05-06 | 1982-11-13 | Toyota Motor Corp | Control system of automatic speed changer for vehicle |
JPS6032063B2 (ja) * | 1981-07-21 | 1985-07-25 | トヨタ自動車株式会社 | 車輛用自動変速機の制御方法 |
JPS5830555A (ja) * | 1981-07-21 | 1983-02-23 | Toyota Motor Corp | 車輛用自動変速機の制御方法 |
JPS58118357A (ja) * | 1982-01-05 | 1983-07-14 | Mazda Motor Corp | 複合クラツチ式多段歯車変速機の変速制御方法および変速制御装置 |
JPS58146748A (ja) * | 1982-02-22 | 1983-09-01 | Mazda Motor Corp | 複合クラッチ式多段歯車変速機の変速制御方法 |
JPS5963230A (ja) * | 1982-10-04 | 1984-04-10 | Toyota Motor Corp | 車両の最適シフト時期表示装置 |
-
1984
- 1984-06-22 CA CA000457171A patent/CA1217834A/en not_active Expired
- 1984-06-26 AU AU29876/84A patent/AU560057B2/en not_active Ceased
- 1984-06-29 ES ES545219A patent/ES8703978A1/es not_active Expired
- 1984-06-29 ES ES534150A patent/ES8604680A1/es not_active Expired
- 1984-06-29 DE DE8484304443T patent/DE3467226D1/de not_active Expired
- 1984-06-29 EP EP84304443A patent/EP0130812B1/en not_active Expired
- 1984-06-30 KR KR1019840003772A patent/KR880002568B1/ko not_active IP Right Cessation
-
1985
- 1985-07-01 ES ES545218A patent/ES8701336A1/es not_active Expired
-
1989
- 1989-07-05 US US07/374,551 patent/US5043895A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU560057B2 (en) | 1987-03-26 |
ES8604680A1 (es) | 1986-02-01 |
AU2987684A (en) | 1985-01-03 |
KR850000621A (ko) | 1985-02-28 |
CA1217834A (en) | 1987-02-10 |
DE3467226D1 (en) | 1987-12-10 |
ES545218A0 (es) | 1986-12-01 |
ES8703978A1 (es) | 1987-03-01 |
US5043895A (en) | 1991-08-27 |
EP0130812A1 (en) | 1985-01-09 |
ES545219A0 (es) | 1987-03-01 |
EP0130812B1 (en) | 1987-11-04 |
ES8701336A1 (es) | 1986-12-01 |
KR880002568B1 (ko) | 1988-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES534153A0 (es) | Metodo para el control del cambio de velocidades en una transmision automatica | |
ES534150A0 (es) | Metodo para el control de la operacion del cambio de velocidades en una transmision automatica | |
MX160697A (es) | Mejoras en metodo de control para transmision automatica mecanica | |
ES520951A0 (es) | Perfeccionamientos en las transmisiones reductoras de velocidad. | |
IT1208691B (it) | Sistema per comandare la trasmissione di un cambio infinitamente variabile | |
ES507115A0 (es) | Perfeccionamientos en los controles de cambio combinado para transmisores de engranajes de cambio de velocidad. | |
ES527599A0 (es) | Un sistema de transmision mecanica automatica | |
FR2546257B1 (fr) | Poulie de variateur de vitesse | |
IT8320862A0 (it) | Cambio automatico a velocita'variabile. | |
ES517430A0 (es) | Dispositivo de polea de variador de velocidad. | |
ES533790A0 (es) | Aparato para control de la transmision de vehiculos | |
ES493620A0 (es) | Dispositivo electronico para el mando de los cambios de ve- locidades en una transmision automatica para automoviles | |
DE3482277D1 (de) | Stufenloses getriebe. | |
DK132381A (da) | Gearkasse med mange hastighedstrin | |
DE3482018D1 (de) | Geraet zur kontrolle von verzoegerungszeiten waehrend eines wiedergabe-modes mit einer geaenderten geschwindigkeit. | |
FR2513720B1 (fr) | Transmission automatique variable en continu | |
MX159393A (es) | Mejoras en aparato para el control de un motorreductor de velocidad variable | |
MX154082A (es) | Mejoras en mecanismo de control de paro de seleccion de una transmision manuel para automoviles | |
BR8404039A (pt) | Transmissao automatica | |
ES500642A0 (es) | Un dispositivo antiaccionamiento de la palanca de cambio de velocidades | |
MX154519A (es) | Mejoras a una transmision para lavadora automatica | |
IT8767167A0 (it) | Dispositivo di comando per una pluralita di valvole di controllo particolarmente per un cambio di velocita | |
IT8323325A0 (it) | Dispositivo di controllo della regolazione di una trasmissione automatica. | |
MX154780A (es) | Mejoras en mecanismo de control de cambios de velocidad de una transmision manual para automoviles | |
BR7304187D0 (pt) | Transmissao automatica de multiplas velocidades |