GB879436A - Improvements in and relating to clutches adapted for use in gear-change mechanisms - Google Patents

Improvements in and relating to clutches adapted for use in gear-change mechanisms

Info

Publication number
GB879436A
GB879436A GB467959A GB467959A GB879436A GB 879436 A GB879436 A GB 879436A GB 467959 A GB467959 A GB 467959A GB 467959 A GB467959 A GB 467959A GB 879436 A GB879436 A GB 879436A
Authority
GB
United Kingdom
Prior art keywords
clutch
gear
shaft
clutch member
teeth
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
Application number
GB467959A
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.)
MELVIN HARRY WOODWARD
Original Assignee
MELVIN HARRY WOODWARD
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 MELVIN HARRY WOODWARD filed Critical MELVIN HARRY WOODWARD
Priority to GB467959A priority Critical patent/GB879436A/en
Publication of GB879436A publication Critical patent/GB879436A/en
Expired 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D47/00—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings
    • F16D47/04—Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the preceding guide headings of which at least one is a freewheel
    • 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
    • F16D23/00—Details of mechanically-actuated clutches not specific for one distinct type
    • F16D23/02—Arrangements for synchronisation, also for power-operated clutches
    • F16D23/04—Arrangements for synchronisation, also for power-operated clutches with an additional friction clutch
    • 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
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanical Operated Clutches (AREA)
  • Structure Of Transmissions (AREA)

Abstract

879,436. Positive clutches. WOODWARD, M. H. Feb. 2, 1960 [Feb. 10, 1959], No. 4679/59. Class 80 (2). Positive clutch members 15, 28 having engageable teeth 20, 38 may be connected by a ratchet clutch 18, the inner race 16 of which is formed with a friction synchronizing cone 21 engageable by a corresponding cone 26 on a synchronizing ring 25 in splined engagement with the clutch member 28. In the form shown, for a motor car change-speed gear including a driving gearwheel 12 and a driven shaft 11, the clutch member 15 is bolted to the gear-wheel and the clutch member 28 is in splined engagement with the shaft. To engage the clutch teeth 20, 38 when the gear-wheel 12 is rotating more slowly than the shaft 11, corresponding to changing- down the motor car gearing, liquid under pressure is admitted through a duct 36 to a space 31 within the clutch member 28, this space having a fixed reaction wall 33 fast with the shaft and also being formed in part by the synchronizing ring 25 which is splined for axial movement relatively both to the clutch member 28 and to the shaft. As the liquid under pressure is admitted to the space 31, the synchronizing ring 25 is moved leftwards to engage the friction cones 21, 26. Accordingly, the inner race 16 of the ratchet clutch 18, which is freely rotatable on the shaft 11, is accelerated relatively to the gear-wheel 12, so that the following leftward movement of the clutch member 28 allows its splines 29 to slide into engagement with splines 19 on the inner race of the ratchet clutch. Acceleration of the driving means rotating the gear-wheel 12 then allows synchronization of the speed of rotation of the clutch member 15 with the clutch member 28, so that the teeth 20, 38 can slide into mesh. To disengage the teeth 20, 38, the space 31 is vented to exhaust via the duct 36, and liquid under pressure is instead supplied through a shaft duct 37 to a space 32 on the opposite side of the fixed reaction wall 33. If the teeth 20, 38 are to be engaged when the directions of relative rotation therebetween are reversed, corresponding to changing-up in the changespeed gear, the speed of rotation of the gearwheel 12 is first reduced by throttling down the motor car engine, until it is slightly less than that required for synchronization, with the ratchet clutch 18 overrunning as before.
GB467959A 1959-02-10 1959-02-10 Improvements in and relating to clutches adapted for use in gear-change mechanisms Expired GB879436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB467959A GB879436A (en) 1959-02-10 1959-02-10 Improvements in and relating to clutches adapted for use in gear-change mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB467959A GB879436A (en) 1959-02-10 1959-02-10 Improvements in and relating to clutches adapted for use in gear-change mechanisms

Publications (1)

Publication Number Publication Date
GB879436A true GB879436A (en) 1961-10-11

Family

ID=9781738

Family Applications (1)

Application Number Title Priority Date Filing Date
GB467959A Expired GB879436A (en) 1959-02-10 1959-02-10 Improvements in and relating to clutches adapted for use in gear-change mechanisms

Country Status (1)

Country Link
GB (1) GB879436A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069803A (en) * 1977-01-17 1978-01-24 General Motors Corporation Synchronizing and indexing clutch
DE4325964A1 (en) * 1993-07-19 1995-01-26 Imre Dr Techn Szodfridt Hydraulically operated short-stroke synchronizer
WO2004005737A1 (en) * 2002-07-02 2004-01-15 Zf Friedrichshafen Ag Hydraulically actuated synchronized transmission
DE10229513A1 (en) * 2002-07-02 2004-01-15 Zf Friedrichshafen Ag transmission shift
FR2889276A1 (en) * 2005-07-29 2007-02-02 France Reducteurs Sas Soc Par Transmission for e.g. lawn mower, has free wheel setting mechanisms with releasing thresholds, at non-driven state of wheel driving shaft, greater than clutch mechanism`s releasing threshold to move shaft from engaged to disengaged position
WO2007028986A1 (en) * 2005-09-08 2007-03-15 Fitch Anthony R A gearbox
FR2928431A1 (en) * 2008-03-06 2009-09-11 Peugeot Citroen Automobiles Sa Hydraulic control integrated synchronization device for manual gearbox of automobile, has shaft with rear and front passages that feed chambers with fluid and are axially placed from each side of annular piston of hydraulic jack
WO2011069751A1 (en) * 2009-12-10 2011-06-16 Zf Friedrichshafen Ag Through-connection clutch and method for the actuation thereof
CN104329389A (en) * 2014-10-29 2015-02-04 中国船舶重工集团公司第七�三研究所 Large-torque synchronous automatic clutch with relay type structure
CN114992256A (en) * 2022-05-22 2022-09-02 中国船舶重工集团公司第七0三研究所 Synchronous automatic clutch engagement locking tooth structure

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069803A (en) * 1977-01-17 1978-01-24 General Motors Corporation Synchronizing and indexing clutch
DE4325964A1 (en) * 1993-07-19 1995-01-26 Imre Dr Techn Szodfridt Hydraulically operated short-stroke synchronizer
US7198143B2 (en) 2002-07-02 2007-04-03 Zf Friedrichshafen Ag Hydraulically actuated synchronized transmission
WO2004005737A1 (en) * 2002-07-02 2004-01-15 Zf Friedrichshafen Ag Hydraulically actuated synchronized transmission
DE10229513A1 (en) * 2002-07-02 2004-01-15 Zf Friedrichshafen Ag transmission shift
DE10229515A1 (en) * 2002-07-02 2004-01-15 Zf Friedrichshafen Ag transmission shift
US7163094B2 (en) 2002-07-02 2007-01-16 Zf Friedrichshafen Ag Hydraulically actuatable gearshift system comprising a synchronizing device
FR2889276A1 (en) * 2005-07-29 2007-02-02 France Reducteurs Sas Soc Par Transmission for e.g. lawn mower, has free wheel setting mechanisms with releasing thresholds, at non-driven state of wheel driving shaft, greater than clutch mechanism`s releasing threshold to move shaft from engaged to disengaged position
WO2007028986A1 (en) * 2005-09-08 2007-03-15 Fitch Anthony R A gearbox
FR2928431A1 (en) * 2008-03-06 2009-09-11 Peugeot Citroen Automobiles Sa Hydraulic control integrated synchronization device for manual gearbox of automobile, has shaft with rear and front passages that feed chambers with fluid and are axially placed from each side of annular piston of hydraulic jack
WO2011069751A1 (en) * 2009-12-10 2011-06-16 Zf Friedrichshafen Ag Through-connection clutch and method for the actuation thereof
US8746426B2 (en) 2009-12-10 2014-06-10 Zf Friedrichshafen Ag Through-connection clutch and method for the actuation thereof
CN104329389A (en) * 2014-10-29 2015-02-04 中国船舶重工集团公司第七�三研究所 Large-torque synchronous automatic clutch with relay type structure
CN114992256A (en) * 2022-05-22 2022-09-02 中国船舶重工集团公司第七0三研究所 Synchronous automatic clutch engagement locking tooth structure
CN114992256B (en) * 2022-05-22 2024-04-05 中国船舶重工集团公司第七0三研究所 Synchronous automatic clutch joint locking tooth structure

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