CA2392560A1 - Timing belt tensioner having a floating backstop - Google Patents

Timing belt tensioner having a floating backstop Download PDF

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Publication number
CA2392560A1
CA2392560A1 CA002392560A CA2392560A CA2392560A1 CA 2392560 A1 CA2392560 A1 CA 2392560A1 CA 002392560 A CA002392560 A CA 002392560A CA 2392560 A CA2392560 A CA 2392560A CA 2392560 A1 CA2392560 A1 CA 2392560A1
Authority
CA
Canada
Prior art keywords
arm
base
lever member
engagement member
timing belt
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.)
Granted
Application number
CA002392560A
Other languages
French (fr)
Other versions
CA2392560C (en
Inventor
K. Mats Lipowski
Jorma J. Lehtovaara
Marek Frankowski
Jacek Stepniak
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.)
Litens Automotive Partnership
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2392560A1 publication Critical patent/CA2392560A1/en
Application granted granted Critical
Publication of CA2392560C publication Critical patent/CA2392560C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
    • F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
    • F16H7/1209—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means
    • F16H7/1218—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley with vibration damping means of the dry friction 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H2007/0802—Actuators for final output members
    • F16H2007/081—Torsion springs
    • 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
    • F16H7/00—Gearings for conveying rotary motion by endless flexible members
    • F16H7/08—Means for varying tension of belts, ropes, or chains
    • F16H7/0829—Means for varying tension of belts, ropes, or chains with vibration damping means
    • F16H2007/084—Means for varying tension of belts, ropes, or chains with vibration damping means having vibration damping characteristics dependent on the moving direction of the tensioner

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)

Abstract

A tensioner (10) comprises a base (20) and a pivot shaft (16) extending from the base.
A spring (18) is connected with the pivoting arm (14) to bias the arm (14) into tensioning engagement with an endless drive component of an engine.
A floating backstop assembly comprises a lever member (36) and an arm engagement member (30).
The lever member (36) is rotatably mounted on the base and the arm engagement member (30) is engaged with the lever member. The lever member (36) and the arm engagement member (30) are oriented such that the arm engagement member (30) can be biased by the spring (18) into a direction towards the arcuate surface structure of the pivoting arm (14) so as to apply a frictional force sufficient to stop movement of the arm (14).
CA002392560A 1999-11-29 2000-11-29 Timing belt tensioner having a floating backstop Expired - Lifetime CA2392560C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US16768099P 1999-11-29 1999-11-29
US60/167,680 1999-11-29
PCT/CA2000/001403 WO2001040682A1 (en) 1999-11-29 2000-11-29 Timing belt tensioner having a floating backstop

Publications (2)

Publication Number Publication Date
CA2392560A1 true CA2392560A1 (en) 2001-06-07
CA2392560C CA2392560C (en) 2008-06-17

Family

ID=22608352

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002392560A Expired - Lifetime CA2392560C (en) 1999-11-29 2000-11-29 Timing belt tensioner having a floating backstop

Country Status (4)

Country Link
AU (1) AU1846401A (en)
CA (1) CA2392560C (en)
DE (1) DE10085330T1 (en)
WO (1) WO2001040682A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6609988B1 (en) * 2001-05-24 2003-08-26 The Gates Corporation Asymmetric damping tensioner belt drive system
EP1893894B1 (en) 2005-06-20 2010-12-22 Dayco Europe S.R.L. Con Unico Socio Asymetric damping belt tensioner
DE102016217933B4 (en) * 2016-09-20 2020-06-04 Schaeffler Technologies AG & Co. KG Belt tensioner

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145934A (en) 1977-09-30 1979-03-27 Sragal Richard F Flexible endless drive means tensioning device
US4351636A (en) 1980-06-06 1982-09-28 Hager Clarence H Belt tensioning device
US4473362A (en) 1981-07-08 1984-09-25 Litens Automotive Inc. Belt tensioner with variably proportional damping
US4583962A (en) 1984-12-07 1986-04-22 Litens Automotive Inc. Timing belt tensioner with damped constant spring tensioning and belt tooth disegagement prevention
US4634407A (en) 1985-08-12 1987-01-06 Federal-Mogul Corporation Self-tensioning belt tightener
US4923435A (en) 1986-12-27 1990-05-08 Koyo Seiko Co., Ltd. Chain or belt tensioner with a one-way clutch
US4808148A (en) 1988-04-04 1989-02-28 Federal-Mogul Corporation Temperature compensated self-tensioning idler pulley
US4834694A (en) 1988-07-25 1989-05-30 Ina Bearing Co., Inc. Belt tensioning apparatus
US4822322A (en) 1988-07-25 1989-04-18 Ina Bearing Co., Inc. Tensioning device for timing belt or chain in automotive engine applications
DE4029940A1 (en) * 1990-09-21 1992-03-26 Kugelfischer G Schaefer & Co Spring damper for belt tightening system - consists of annular segment(s)swivelable in region of peripheral face
US5647813A (en) * 1995-12-18 1997-07-15 The Gates Corporation Tensioner with damping mechanism and belt drive system

Also Published As

Publication number Publication date
WO2001040682A1 (en) 2001-06-07
AU1846401A (en) 2001-06-12
DE10085330T1 (en) 2002-10-24
CA2392560C (en) 2008-06-17

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20201130