ZA716248B - Change-speed gearboxes - Google Patents

Change-speed gearboxes

Info

Publication number
ZA716248B
ZA716248B ZA716248A ZA716248A ZA716248B ZA 716248 B ZA716248 B ZA 716248B ZA 716248 A ZA716248 A ZA 716248A ZA 716248 A ZA716248 A ZA 716248A ZA 716248 B ZA716248 B ZA 716248B
Authority
ZA
South Africa
Prior art keywords
change
speed gearboxes
gearboxes
speed
Prior art date
Application number
ZA716248A
Other languages
English (en)
Inventor
E Whately
Original Assignee
Gear D Ind Ltd
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 Gear D Ind Ltd filed Critical Gear D Ind Ltd
Publication of ZA716248B publication Critical patent/ZA716248B/xx

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
    • 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
    • F16H3/10—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 one or more one-way clutches as an essential feature
    • 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
    • F16H3/087—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 characterised by the disposition of the gears
    • F16H3/091—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 characterised by the disposition of the gears including a single countershaft
    • F16H3/0915—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 characterised by the disposition of the gears including a single countershaft with coaxial input and output shafts
    • 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
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
    • 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
    • F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
    • F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
    • 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
    • F16H61/684—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 without interruption of drive
    • F16H61/688—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 without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
    • 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
    • Y10T74/19149—Gearing with fluid drive
    • 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
    • Y10T74/19228—Multiple concentric clutch shafts
    • 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
    • Y10T74/19386—Multiple clutch shafts
    • Y10T74/194—Selective

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)
ZA716248A 1970-09-23 1971-09-17 Change-speed gearboxes ZA716248B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4518570 1970-09-23

Publications (1)

Publication Number Publication Date
ZA716248B true ZA716248B (en) 1972-05-31

Family

ID=10436222

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA716248A ZA716248B (en) 1970-09-23 1971-09-17 Change-speed gearboxes

Country Status (6)

Country Link
US (1) US3769857A (es)
AU (1) AU451019B2 (es)
ES (1) ES395245A1 (es)
GB (1) GB1349936A (es)
SE (1) SE370358B (es)
ZA (1) ZA716248B (es)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159654A (en) * 1977-08-24 1979-07-03 Honda Giken Kogyo Kabushiki Kaisha Automatic transmission apparatus
US4271724A (en) * 1978-12-26 1981-06-09 Eaton Corporation Synchronized transmission with torque converter by-pass
AU6430980A (en) * 1979-11-26 1981-06-04 Automotive Products Ltd. Dual clutch transmission
GB2069636A (en) * 1980-02-18 1981-08-26 Automotive Prod Co Ltd Rotary power transmission
GB2117068B (en) * 1982-02-27 1985-09-25 Toyota Motor Co Ltd Transmission control method and transmission control device providing overlapped engagement of power transmission systems
US4576063A (en) * 1982-02-27 1986-03-18 Toyota Jidosha Kabushiki Kaisha Transmission mechanism with parallel transmission systems including one way clutches, one being lockable
JPS58221048A (ja) * 1982-06-18 1983-12-22 Toyota Motor Corp 歯車式変速装置
JPS58221049A (ja) * 1982-06-18 1983-12-22 Toyota Motor Corp 歯車式変速装置
WO1985001332A1 (fr) * 1983-09-15 1985-03-28 Zahnradfabrik Friedrichshafen Ag Accouplement a lamelles
GB8411896D0 (en) * 1984-05-10 1984-06-13 Automotive Prod Plc Transmission
GB2159216B (en) * 1984-05-25 1988-08-10 Automotive Products Plc Transmission control system
US4693129A (en) * 1984-06-25 1987-09-15 Ford Motor Company Countershaft automatic transmission
US4697471A (en) * 1985-01-30 1987-10-06 Mazda Motor Corporation Automatic transmission apparatus
SE451005B (sv) * 1985-03-28 1987-08-24 Volvo Ab Motorfordonsvexellada
EP0206734A1 (en) * 1985-06-21 1986-12-30 Automotive Products Public Limited Company A change speed transmission
SE454073B (sv) * 1986-03-17 1988-03-28 Volvo Ab Motorfordonsvexellada
US4833933A (en) * 1987-06-22 1989-05-30 Ford New Holland, Inc. Alternate path tractor transmission having a redundant clutch
US5425283A (en) * 1993-09-17 1995-06-20 General Motors Corporation Multi-speed power transmission
BG103275A (en) * 1999-03-24 2000-09-29 Димитър ДИМИТРОВ Power transmission for motor vehicles
GB9918642D0 (en) * 1999-08-06 1999-10-13 Ricardo Mtc Limited Gearboxes
US6647817B2 (en) * 2000-02-14 2003-11-18 Fuji Jukogyo Kabushiki Kaisha Automatic transmission
US7140267B2 (en) * 2003-10-22 2006-11-28 General Motors Corporation Multi-speed dual clutch transmission
US6958028B2 (en) * 2004-03-18 2005-10-25 Ford Global Technologies, Llc Ranged dual clutch transmission for motor vehicles
US7484428B2 (en) * 2006-03-24 2009-02-03 Walters Manufacturing, Inc. Automatic transmission for a motorcycle
JP5501083B2 (ja) * 2010-04-28 2014-05-21 アイシン・エーアイ株式会社 車両の動力伝達制御装置
KR20170024189A (ko) * 2015-08-24 2017-03-07 현대자동차주식회사 자동화 수동변속기
GB2573592B (en) * 2018-12-19 2022-03-09 Zeroshift Trans Limited Transmission system
DE102023200195B4 (de) 2023-01-12 2024-10-17 Zf Friedrichshafen Ag Lastschaltbares Getriebe für ein in Gruppenbauweise ausgeführtes Kraftfahrzeuggetriebe, Kraftfahrzeuggetriebe und landwirtschaftliches oder kommunales Nutzfahrzeug

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206409A (en) * 1937-03-18 1940-07-02 Daimler Benz Ag Change-speed gear, especially for motor vehicles
US2461027A (en) * 1943-07-23 1949-02-08 Bodmer Ernest Change-speed transmission for automatic lathes
US2690680A (en) * 1950-09-08 1954-10-05 Zahnradfabrik Friedrichshafen Multiratio change speed gear
US2991661A (en) * 1958-04-22 1961-07-11 Rambausek Hugo Multi-speed transmission with only two overrunning clutches, particularly for vehicles

Also Published As

Publication number Publication date
ES395245A1 (es) 1974-11-01
GB1349936A (en) 1974-04-10
SE370358B (es) 1974-10-14
AU451019B2 (en) 1974-07-25
AU3377771A (en) 1973-03-29
US3769857A (en) 1973-11-06

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