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FR2821406B1 - DELETION OF ENHANCED RETROGRADATION DURING LOW SPEED REACTIVATION - Google Patents

DELETION OF ENHANCED RETROGRADATION DURING LOW SPEED REACTIVATION

Info

Publication number
FR2821406B1
FR2821406B1 FR0202198A FR0202198A FR2821406B1 FR 2821406 B1 FR2821406 B1 FR 2821406B1 FR 0202198 A FR0202198 A FR 0202198A FR 0202198 A FR0202198 A FR 0202198A FR 2821406 B1 FR2821406 B1 FR 2821406B1
Authority
FR
France
Prior art keywords
reactivation
deletion
enhanced
low speed
during low
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.)
Expired - Fee Related
Application number
FR0202198A
Other languages
French (fr)
Other versions
FR2821406A1 (en
Inventor
Reinhard Berger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Buehl Verwaltungs GmbH
LuK Lamellen und Kupplungsbau GmbH
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau GmbH
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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of FR2821406A1 publication Critical patent/FR2821406A1/en
Application granted granted Critical
Publication of FR2821406B1 publication Critical patent/FR2821406B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • 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
    • F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
    • F16H2061/163—Holding the gear for delaying gear shifts under unfavorable conditions, e.g. during cornering
    • 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
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
    • F16H59/20—Kickdown

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The method involves suppressing downshift commands resulting from the shift characteristic if the vehicle is achieving adequate acceleration greater than a defined acceleration value in the current gear, and the clutch temperature is not greater than a defined value.
FR0202198A 2001-02-27 2002-02-21 DELETION OF ENHANCED RETROGRADATION DURING LOW SPEED REACTIVATION Expired - Fee Related FR2821406B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10109399 2001-02-27

Publications (2)

Publication Number Publication Date
FR2821406A1 FR2821406A1 (en) 2002-08-30
FR2821406B1 true FR2821406B1 (en) 2006-05-19

Family

ID=7675644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0202198A Expired - Fee Related FR2821406B1 (en) 2001-02-27 2002-02-21 DELETION OF ENHANCED RETROGRADATION DURING LOW SPEED REACTIVATION

Country Status (3)

Country Link
DE (1) DE10208206B4 (en)
FR (1) FR2821406B1 (en)
IT (1) ITMI20020379A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005021720A1 (en) * 2005-05-11 2006-11-16 Zf Friedrichshafen Ag Method and device for controlling a standstill circuit of an automatic transmission
DE102010023316A1 (en) * 2010-06-10 2011-12-15 Voith Patent Gmbh Method for setting switching points in a transmission or for increasing the torque of an electric drive machine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4788892A (en) * 1985-05-11 1988-12-06 Toyota Jidosha Kabushiki Kaisha Controller for automatic transmission
JP3395979B2 (en) * 1992-02-18 2003-04-14 ジヤトコ株式会社 Control device for automatic transmission
DE19524914B4 (en) * 1995-07-08 2007-05-16 Bosch Gmbh Robert Method for determining transmission ratio changes in an automatic transmission
JP3520179B2 (en) * 1997-04-25 2004-04-19 株式会社日立ユニシアオートモティブ Transmission control device for automatic transmission
DE19839838A1 (en) * 1998-09-02 2000-03-09 Zahnradfabrik Friedrichshafen Procedure for determining a starting gear

Also Published As

Publication number Publication date
DE10208206B4 (en) 2012-07-12
DE10208206A1 (en) 2002-09-05
FR2821406A1 (en) 2002-08-30
ITMI20020379A1 (en) 2003-08-26
ITMI20020379A0 (en) 2002-02-26

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20091030