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GB2233408B - Emergency gear change device for an electro-pneumatic gear-change system - Google Patents

Emergency gear change device for an electro-pneumatic gear-change system

Info

Publication number
GB2233408B
GB2233408B GB9010840A GB9010840A GB2233408B GB 2233408 B GB2233408 B GB 2233408B GB 9010840 A GB9010840 A GB 9010840A GB 9010840 A GB9010840 A GB 9010840A GB 2233408 B GB2233408 B GB 2233408B
Authority
GB
United Kingdom
Prior art keywords
gear
electro
change
pneumatic
emergency
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
GB9010840A
Other versions
GB2233408A (en
GB9010840D0 (en
Inventor
Norbert Lemp
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.)
ZF Friedrichshafen AG
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 GB9010840D0 publication Critical patent/GB9010840D0/en
Publication of GB2233408A publication Critical patent/GB2233408A/en
Application granted granted Critical
Publication of GB2233408B publication Critical patent/GB2233408B/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
    • F16H61/0021—Generation or control of line 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
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing 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
    • F16H2061/122—Avoiding failures by using redundant parts
    • 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
    • F16H2061/126—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 the controller
    • F16H2061/1264—Hydraulic parts of the controller, e.g. a sticking valve or clogged channel
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Control Of Transmission Device (AREA)
GB9010840A 1989-05-16 1990-05-15 Emergency gear change device for an electro-pneumatic gear-change system Expired - Fee Related GB2233408B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3915884 1989-05-16

Publications (3)

Publication Number Publication Date
GB9010840D0 GB9010840D0 (en) 1990-07-04
GB2233408A GB2233408A (en) 1991-01-09
GB2233408B true GB2233408B (en) 1993-01-13

Family

ID=6380732

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9010840A Expired - Fee Related GB2233408B (en) 1989-05-16 1990-05-15 Emergency gear change device for an electro-pneumatic gear-change system

Country Status (2)

Country Link
GB (1) GB2233408B (en)
SE (1) SE9001718L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2478209A1 (en) 2003-08-25 2005-02-25 Dean Pick Electro-pneumatic shifting system
SE541800C2 (en) 2018-04-20 2019-12-17 Scania Cv Ab A method of controlling a powertrain, a control arrangement, a vehicle, a computer program and a computer-readable medium
CN108775350A (en) * 2018-06-27 2018-11-09 济南泉工机械有限公司 A kind of pneumatic type clutch driving unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1177965A (en) * 1967-02-24 1970-01-14 Brown Gear Ind Improvements in or relating to Variable-Speed Gearboxes
WO1987006669A2 (en) * 1986-05-02 1987-11-05 Zahnradfabrik Friedrichshafen Ag Electric-hydraulic control

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1177965A (en) * 1967-02-24 1970-01-14 Brown Gear Ind Improvements in or relating to Variable-Speed Gearboxes
WO1987006669A2 (en) * 1986-05-02 1987-11-05 Zahnradfabrik Friedrichshafen Ag Electric-hydraulic control

Also Published As

Publication number Publication date
GB2233408A (en) 1991-01-09
SE9001718L (en) 1990-11-17
SE9001718D0 (en) 1990-05-11
GB9010840D0 (en) 1990-07-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940515