GB2347980A - Automatically adjusting clutch - Google Patents

Automatically adjusting clutch

Info

Publication number
GB2347980A
GB2347980A GB0016781A GB0016781A GB2347980A GB 2347980 A GB2347980 A GB 2347980A GB 0016781 A GB0016781 A GB 0016781A GB 0016781 A GB0016781 A GB 0016781A GB 2347980 A GB2347980 A GB 2347980A
Authority
GB
United Kingdom
Prior art keywords
pressure plate
array
pawl
flywheel
adjuster
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.)
Withdrawn
Application number
GB0016781A
Other versions
GB0016781D0 (en
Inventor
Alastair John Young
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Publication of GB0016781D0 publication Critical patent/GB0016781D0/en
Publication of GB2347980A publication Critical patent/GB2347980A/en
Withdrawn legal-status Critical Current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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/75—Features relating to adjustment, e.g. slack adjusters
    • F16D13/757—Features relating to adjustment, e.g. slack adjusters the adjusting device being located on or inside the clutch cover, e.g. acting on the diaphragm or on the pressure plate

Landscapes

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

Abstract

An automatically adjusting clutch (10) in which a pressure plate (13) is biased axially towards a flywheel (11) by a main clutch engaging spring (12) to clamp a driven plate between the pressure plate and flywheel to engage the clutch. A second part (40) of the pressure plate is in the form of an adjuster ring and is moveable by an adjuster relative to a first part (30) of the pressure plate to increase the effective axial thickness of the pressure plate to compensate for the wear of the driven plate. The adjuster has an array of adjuster teeth (44) and a pawl (50) which moves relative to and in contact with the array as the pressure plate moves relative to the flywheel. The pawl (50) and array (44) are arranged so that if movement of the pressure plate towards the flywheel during clutch engagement exceeds a predetermined distance, indicating a predetermined amount of wear of the driven plate, the pawl moves sufficiently over the array to engage behind a tooth (44) of the array so that subsequently the pawl means moves the second part of the pressure plate (40) relative to the first part (30) to make the wear adjustment. The pawl (50) has a roller (60) which makes rolling contact with at least one surface (44W) of a tooth (44) in the array during said wear adjustment. In one embodiment (Figure 7) the pawl roller has three roller teeth.
GB0016781A 1998-12-24 1999-12-14 Automatically adjusting clutch Withdrawn GB2347980A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9828460.7A GB9828460D0 (en) 1998-12-24 1998-12-24 Automatically adjusting clutch
PCT/GB1999/004220 WO2000039475A1 (en) 1998-12-24 1999-12-14 Automatically adjusting clutch

Publications (2)

Publication Number Publication Date
GB0016781D0 GB0016781D0 (en) 2000-08-30
GB2347980A true GB2347980A (en) 2000-09-20

Family

ID=10844904

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9828460.7A Ceased GB9828460D0 (en) 1998-12-24 1998-12-24 Automatically adjusting clutch
GB0016781A Withdrawn GB2347980A (en) 1998-12-24 1999-12-14 Automatically adjusting clutch

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9828460.7A Ceased GB9828460D0 (en) 1998-12-24 1998-12-24 Automatically adjusting clutch

Country Status (3)

Country Link
AU (1) AU1789300A (en)
GB (2) GB9828460D0 (en)
WO (1) WO2000039475A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158362A1 (en) * 2001-11-28 2003-06-12 Bayerische Motoren Werke Ag Self-adjusting vehicle clutch, to allow for wear, has a spring loaded pin which moves out under centrifugal force to engage teeth in the adjustment ring to block any action when rotating above a given speed level

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469760A (en) * 1992-07-23 1995-11-28 Kabushi Kaisha Daikin Seisakusho Clutch wear-compensating compound flywheel assembly
FR2753506A1 (en) * 1996-09-17 1998-03-20 Valeo FRICTION CLUTCH, PARTICULARLY FOR A MOTOR VEHICLE, COMPRISING A WEAR-RETAINING DEVICE
FR2761739A1 (en) * 1997-04-07 1998-10-09 Valeo CLUTCH MECHANISM FOR LOW-CLUTCH FRICTION CLUTCH, ESPECIALLY FOR MOTOR VEHICLES
US5845750A (en) * 1995-09-21 1998-12-08 Valeo Ramp means for a device for taking up clearance designed to equip a friction clutch, notably for a motor vehicle
WO1999010448A1 (en) * 1997-08-22 1999-03-04 Betzdearborn Inc. Corrosion inhibitor for alkanolamine units

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9518991D0 (en) * 1995-09-16 1995-11-15 Automotive Products Plc Automatically adjusting clutch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5469760A (en) * 1992-07-23 1995-11-28 Kabushi Kaisha Daikin Seisakusho Clutch wear-compensating compound flywheel assembly
US5845750A (en) * 1995-09-21 1998-12-08 Valeo Ramp means for a device for taking up clearance designed to equip a friction clutch, notably for a motor vehicle
FR2753506A1 (en) * 1996-09-17 1998-03-20 Valeo FRICTION CLUTCH, PARTICULARLY FOR A MOTOR VEHICLE, COMPRISING A WEAR-RETAINING DEVICE
FR2761739A1 (en) * 1997-04-07 1998-10-09 Valeo CLUTCH MECHANISM FOR LOW-CLUTCH FRICTION CLUTCH, ESPECIALLY FOR MOTOR VEHICLES
WO1999010448A1 (en) * 1997-08-22 1999-03-04 Betzdearborn Inc. Corrosion inhibitor for alkanolamine units

Also Published As

Publication number Publication date
WO2000039475A1 (en) 2000-07-06
GB0016781D0 (en) 2000-08-30
AU1789300A (en) 2000-07-31
GB9828460D0 (en) 1999-02-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)