WO2012062278A3 - Verfahren zur steuerung einer automatisierten kupplung oder eines automatisierten getriebes oder einer antriebseinheit in einem fahrzeug - Google Patents

Verfahren zur steuerung einer automatisierten kupplung oder eines automatisierten getriebes oder einer antriebseinheit in einem fahrzeug Download PDF

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Publication number
WO2012062278A3
WO2012062278A3 PCT/DE2011/001932 DE2011001932W WO2012062278A3 WO 2012062278 A3 WO2012062278 A3 WO 2012062278A3 DE 2011001932 W DE2011001932 W DE 2011001932W WO 2012062278 A3 WO2012062278 A3 WO 2012062278A3
Authority
WO
WIPO (PCT)
Prior art keywords
automated
drive unit
vehicle
controlling
clutch
Prior art date
Application number
PCT/DE2011/001932
Other languages
English (en)
French (fr)
Other versions
WO2012062278A2 (de
Inventor
Loyal George Macmillian
Bradley Shellhammer
Daniel Redel
Gerald KÜSTLER
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112011103753T priority Critical patent/DE112011103753A5/de
Priority to CN201180054082.2A priority patent/CN103210229B/zh
Publication of WO2012062278A2 publication Critical patent/WO2012062278A2/de
Publication of WO2012062278A3 publication Critical patent/WO2012062278A3/de
Priority to US13/888,507 priority patent/US8725365B2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
    • F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
    • 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
    • F16H61/02—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 characterised by the signals used
    • F16H61/0202—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 characterised by the signals used the signals being electric
    • F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
    • F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • 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
    • F16H59/60—Inputs being a function of ambient conditions
    • F16H59/62—Atmospheric pressure
    • 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
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • 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
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00—Purposes or special features of road vehicle drive control systems
    • B60Y2300/18—Propelling the vehicle
    • B60Y2300/184—Preventing damage resulting from overload or excessive wear of the driveline
    • B60Y2300/186—Excessive wear or burn out of friction elements, e.g. clutches
    • B60Y2300/1865—Overheating of driveline components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
    • F02D2200/703—Atmospheric pressure
    • F02D2200/704—Estimation of atmospheric pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/304—Signal inputs from the clutch
    • F16D2500/30404—Clutch temperature
    • F16D2500/30405—Estimated clutch temperature
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/305—Signal inputs from the clutch cooling
    • F16D2500/3051—Flow amount of cooling fluid
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/312—External to the vehicle
    • F16D2500/3121—Ambient conditions, e.g. air humidity, air temperature, ambient pressure
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/51—Relating safety
    • F16D2500/5102—Detecting abnormal operation, e.g. unwanted slip or excessive temperature
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/51—Relating safety
    • F16D2500/5104—Preventing failures
    • F16D2500/5106—Overheat protection
    • 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
    • F16H59/72—Inputs being a function of gearing status dependent on oil characteristics, e.g. temperature, viscosity
    • F16H2059/725—Sensing or calculating temperature of friction devices, e.g. clutches to prevent overheating of friction linings
    • 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
    • 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
    • F16H59/72—Inputs being a function of gearing status dependent on oil characteristics, e.g. temperature, viscosity

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Mechanical Operated Clutches (AREA)
  • General Details Of Gearings (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Control Of Transmission Device (AREA)

Abstract

Verfahren zur Steuerung einer automatisierten Kupplung oder eines automatisierten Getriebes oder einer Antriebseinheit in einem Fahrzeug, wobei durch die Steuerung Schutzmassnahmen für die Kupplung und/oder für das Getriebe und/oder für eine Antriebseinheit vorgesehen sind.
PCT/DE2011/001932 2010-11-11 2011-11-04 Verfahren zur steuerung einer automatisierten kupplung oder eines automatisierten getriebes oder einer antriebseinheit in einem fahrzeug WO2012062278A2 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE112011103753T DE112011103753A5 (de) 2010-11-11 2011-11-04 Verfahren zur Steuerung einer automatisierten Kupplung oder eines automatisierten Getriebes oder einer Antriebseinheit in einem Fahrzeug
CN201180054082.2A CN103210229B (zh) 2010-11-11 2011-11-04 用于控制交通工具中的自动离合器或自动变速器或驱动单元的方法
US13/888,507 US8725365B2 (en) 2010-11-11 2013-05-07 Method for controlling an automated clutch or automated transmission or a drive unit in a vehicle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010051149.8 2010-11-11
DE102010051149 2010-11-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/888,507 Continuation US8725365B2 (en) 2010-11-11 2013-05-07 Method for controlling an automated clutch or automated transmission or a drive unit in a vehicle

Publications (2)

Publication Number Publication Date
WO2012062278A2 WO2012062278A2 (de) 2012-05-18
WO2012062278A3 true WO2012062278A3 (de) 2012-07-12

Family

ID=45581696

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2011/001932 WO2012062278A2 (de) 2010-11-11 2011-11-04 Verfahren zur steuerung einer automatisierten kupplung oder eines automatisierten getriebes oder einer antriebseinheit in einem fahrzeug

Country Status (4)

Country Link
US (1) US8725365B2 (de)
CN (1) CN103210229B (de)
DE (2) DE112011103753A5 (de)
WO (1) WO2012062278A2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014114292A1 (de) 2013-01-25 2014-07-31 Schaeffler Technologies Gmbh & Co. Kg Steuerung eines verbrennungsmotors
DE102014205121A1 (de) 2013-04-04 2014-10-09 Schaeffler Technologies Gmbh & Co. Kg Verfahren zur Ermittlung einer Fehlfunktion einer, einem Steuergerät zugeordneten Zeitmesseinheit
DE102014210239A1 (de) 2013-06-04 2014-12-04 Schaeffler Technologies Gmbh & Co. Kg Motorsteuerung
DE112014006233A5 (de) 2014-01-22 2016-10-13 Schaeffler Technologies AG & Co. KG Verfahren zur Bestimmung einer Motortemperatur eines Elektromotors
WO2015120851A2 (de) 2014-02-14 2015-08-20 Schaeffler Technologies AG & Co. KG Verfahren zur bestimmung eines thermischen zustandes eines elektromotors in einem hybridantrieb eines kraftfahrzeuges
DE102014216310A1 (de) 2014-08-18 2016-02-18 Schaeffler Technologies AG & Co. KG Verfahren zur Bestimmung einer Temperatur einer Leistungs- und Ansteuerelektronik eines elektrischen Antriebssystems
DE102014016075B4 (de) 2014-10-29 2018-07-19 Audi Ag Verfahren zum Betreiben einer Getriebeeinrichtung sowie entsprechende Getriebeeinrichtung
DE102015208854A1 (de) 2015-05-13 2016-11-17 Schaeffler Technologies AG & Co. KG Verfahren zum Schutz einer Kupplung eines Kraftfahrzeuges
US20170015201A1 (en) * 2015-07-15 2017-01-19 Caterpillar Inc. System and method for monitoring operation of retarding grid associated with traction motor of machine
DE102015225644A1 (de) 2015-12-17 2017-06-22 Schaeffler Technologies AG & Co. KG Thermomanagementsystem für ein elektrisches Antriebssystem, vorzugsweise für ein Fahrzeug
CN108700139B (zh) 2016-02-19 2020-12-01 舍弗勒技术股份两合公司 用于计算混合动力分离离合器的滑摩功率的方法
DE102016205890A1 (de) 2016-04-08 2017-10-12 Schaeffler Technologies AG & Co. KG Verfahren zur Ermittlung einer Systemtemperatur einer hydrostatischen Strecke eines hydraulischen Kupplungssystems
DE102016207649B4 (de) 2016-05-03 2018-08-23 Schaeffler Technologies AG & Co. KG Verfahren zur Bestimmung einer Temperatur einer Kupplung sowie eines Kupplungsaktors
US10968965B2 (en) 2016-07-14 2021-04-06 Schaeffler Technologies AG & Co. KG Method for determining an actuator path of a hydraulic clutch actuator
DE102017129571A1 (de) 2017-12-12 2019-06-13 Schaeffler Technologies AG & Co. KG Temperaturmodell für Hybridmodul und Verfahren zum Schutz eines Hybridmoduls
DE102018130495A1 (de) 2018-11-30 2020-06-04 Schaeffler Technologies AG & Co. KG Verfahren zur laufenden Zustandsüberwachung eines Elektromotors
DE102019101163B3 (de) 2019-01-17 2020-06-04 Schaeffler Technologies AG & Co. KG Elektrische Antriebseinheit und Verfahren zur Temperaturberechnung in einer elektrischen Antriebseinheit
US11530725B1 (en) * 2022-03-04 2022-12-20 American Axle & Manufacturing, Inc. Power transmission device having a friction clutch and a controller configured to determine an approximated lubricant temperature of the friction clutch and responsively control the friction clutch

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US5107724A (en) * 1989-12-14 1992-04-28 Nissan Motor Co., Ltd. Adaptive control for motor vehicle
US6220987B1 (en) * 1999-05-26 2001-04-24 Ford Global Technologies, Inc. Automatic transmission ratio change schedules based on desired powertrain output
DE102005040578A1 (de) * 2005-08-26 2007-03-01 Volkswagen Ag Steuerverfahren und Steuersystem zur Momentsteuerung eines Fahrzeugantriebsstranges
DE102006045679B3 (de) * 2006-09-27 2008-03-06 Siemens Ag Verfahren zur Ermittlung des Umgebungsdrucks für ein Kraftfahrzeug, Steuereinrichtung und Brennkraftmaschine
US20090198424A1 (en) * 2008-02-01 2009-08-06 Fiat Group Automobiles S.P.A. Method and apparatus for controlling pickup on uphill for a motor-vehicle provided with an automatic or robotized gearbox
US20100065355A1 (en) * 2008-09-15 2010-03-18 Caterpillar Inc. Cooling system for an electric drive machine and method

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JPS5660845A (en) * 1979-10-20 1981-05-26 Mazda Motor Corp Air-fuel ratio control device for engine
DE3539012A1 (de) * 1985-11-02 1987-05-07 Vdo Schindling Anordnung mit einem elektronischen regler fuer brennkraftmaschinen
JPS6350643A (ja) * 1986-08-13 1988-03-03 Fuji Heavy Ind Ltd エンジンの空燃比制御装置
DE102005029566A1 (de) 2004-06-30 2006-02-02 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren zum Schutz einer automatisiert betätigten Kupplung eines Fahrzeus gegen Überlastung
DE102005061080A1 (de) 2005-01-20 2006-07-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Verfahren und Vorrichtung zum Erkennen einer Schädigung einer Kupplung mit wenigstens zwei durch Reibeingriff Drehmoment übertragenden Bauteilen
JP4923600B2 (ja) * 2006-02-09 2012-04-25 トヨタ自動車株式会社 内燃機関の停止位置制御装置
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5107724A (en) * 1989-12-14 1992-04-28 Nissan Motor Co., Ltd. Adaptive control for motor vehicle
US6220987B1 (en) * 1999-05-26 2001-04-24 Ford Global Technologies, Inc. Automatic transmission ratio change schedules based on desired powertrain output
DE102005040578A1 (de) * 2005-08-26 2007-03-01 Volkswagen Ag Steuerverfahren und Steuersystem zur Momentsteuerung eines Fahrzeugantriebsstranges
DE102006045679B3 (de) * 2006-09-27 2008-03-06 Siemens Ag Verfahren zur Ermittlung des Umgebungsdrucks für ein Kraftfahrzeug, Steuereinrichtung und Brennkraftmaschine
US20090198424A1 (en) * 2008-02-01 2009-08-06 Fiat Group Automobiles S.P.A. Method and apparatus for controlling pickup on uphill for a motor-vehicle provided with an automatic or robotized gearbox
US20100065355A1 (en) * 2008-09-15 2010-03-18 Caterpillar Inc. Cooling system for an electric drive machine and method

Also Published As

Publication number Publication date
WO2012062278A2 (de) 2012-05-18
US20130253784A1 (en) 2013-09-26
DE112011103753A5 (de) 2013-10-31
CN103210229B (zh) 2016-04-20
US8725365B2 (en) 2014-05-13
CN103210229A (zh) 2013-07-17
DE102011085750A1 (de) 2012-05-16

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