DE20202663U1 - Tensioning device with variable damping characteristic for endless drive chain or drive belt for internal combustion engine has pressure chamber with pressure supply terminal and venting device - Google Patents

Tensioning device with variable damping characteristic for endless drive chain or drive belt for internal combustion engine has pressure chamber with pressure supply terminal and venting device

Info

Publication number
DE20202663U1
DE20202663U1 DE20202663U DE20202663U DE20202663U1 DE 20202663 U1 DE20202663 U1 DE 20202663U1 DE 20202663 U DE20202663 U DE 20202663U DE 20202663 U DE20202663 U DE 20202663U DE 20202663 U1 DE20202663 U1 DE 20202663U1
Authority
DE
Germany
Prior art keywords
pressure
clamping device
supply
pressure chamber
ventilation
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 - Lifetime
Application number
DE20202663U
Other languages
German (de)
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.)
Joh Winklhofer Beteiligungs GmbH and Co KG
Original Assignee
Joh Winklhofer and Soehne GmbH and Co KG
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 Joh Winklhofer and Soehne GmbH and Co KG filed Critical Joh Winklhofer and Soehne GmbH and Co KG
Priority to DE20202663U priority Critical patent/DE20202663U1/en
Publication of DE20202663U1 publication Critical patent/DE20202663U1/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
    • 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
    • F16H2007/0876—Control or adjustment of actuators
    • F16H2007/0882—Control or adjustment of actuators the tension being a function of temperature

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

The tensioning device (1) has a pressure chamber (4) for exerting pressure on a tensioning element (8), provided with a pressure supply terminal for a pressure fluid and a venting device (4'), for selectively venting the pressure chamber in dependence on the supply pressure. The venting device is provided as an independent module fitted to the tensioning device.

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (13)

1. Spannvorrichtung (1) zum Spannen von endlosen Übertragungsmitteln, wie Ketten oder Riemen, mit einer Druckkammer (4) zur Druckbeaufschlagung ei­ nes auf das Übertragungsmittel einwirkenden Spannmittels (8) mit einem Spanndruck, mit einem Versorgungsanschluss (3), der mit einem Versor­ gungsdruck beaufschlagt ist, und mit einer von einer Schließ- in eine Offen­ stellung überführbare Entlüftungseinrichtung (2) zum Entlüften der Druck­ kammern (4) dadurch gekennzeichnet, dass die Entlüftungseinrichtung (2) bei einem vorbestimmten Versorgungsdruck in die Offenstellung überführbar ausgestaltet ist, wobei die Entlüftungseinrichtung (2) in einer in die Spannvor­ richtung im Wesentlichen einteilig einsetzbaren Moduleinheit ausgebildet ist.1. tensioning device ( 1 ) for tensioning endless transmission means, such as chains or belts, with a pressure chamber ( 4 ) for pressurizing egg nes acting on the transmission means tensioning means ( 8 ) with a clamping pressure, with a supply connection ( 3 ) with a supplier supply pressure is applied, and to one of a closed position into an open position can be converted vent means (2) chambers to vent the pressure (4) characterized in that the ventilation device (2) is configured can be transferred at a predetermined supply pressure into the open position, wherein the Venting device ( 2 ) is formed in a module unit which can be used in one piece in the Spannvor direction. 2. Spannvorrichtung (1) nach Anspruch 1, dadurch gekennzeichnet, dass die Entlüftungseinrichtung (2) ein Verschlussmittel (14) mit einem vom Versorgungsdruck beaufschlagten Druckaufnahmeabschnitt (22) aufweist.2. Clamping device ( 1 ) according to claim 1, characterized in that the venting device ( 2 ) has a closure means ( 14 ) with a pressure receiving section ( 22 ) acted upon by the supply pressure. 3. Spannvorrichtung (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass in der Moduleinheit (19) das Ventil (7) aufgenommen ist.3. Clamping device ( 1 ) according to claim 1 or 2, characterized in that the valve ( 7 ) is accommodated in the module unit ( 19 ). 4. Spannvorrichtung (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass in der Moduleinheit (19) die Versorgungsleitung (6) ausgebildet ist.4. Clamping device ( 1 ) according to one of the above claims, characterized in that the supply line ( 6 ) is formed in the module unit ( 19 ). 5. Spannvorrichtung (1) nach einem der Ansprüche 1 bis 4, dadurch gekenn­ zeichnet, dass in der Moduleinheit (19) die Entlüftungsleitung (12) ausgebildet ist.5. Clamping device ( 1 ) according to one of claims 1 to 4, characterized in that the ventilation line ( 12 ) is formed in the module unit ( 19 ). 6. Spannvorrichtung (1) nach einem der oben genannten Ansprüche, dadurch gekennzeichnet, dass die Spannvorrichtung (1) ein zwischen dem Versor­ gungsanschluss (3) und der Druckkammer (5) angeordnetes Ventil (7) auf­ weist. 6. Clamping device ( 1 ) according to one of the above claims, characterized in that the clamping device ( 1 ) has a valve ( 7 ) arranged between the supply connection ( 3 ) and the pressure chamber ( 5 ). 7. Spannvorrichtung (1) nach Anspruch 6, dadurch gekennzeichnet, dass der Druckaufnahmeabschnitt zwischen den Versorgungsanschluss und der Druck­ kammer angeordnet ist.7. Clamping device ( 1 ) according to claim 6, characterized in that the pressure receiving section is arranged between the supply connection and the pressure chamber. 8. Spannvorrichtung (1) nach einem der obengenannten Ansprüche, dadurch gekennzeichnet, dass die Entlüftungseinrichtung (2) einen vom Versorgungs­ anschluss (3) getrennten Entlüftungsanschluss (13) umfasst, der in der Schließstellung vom Verschlussmittel verschlossen ist.8. Clamping device ( 1 ) according to one of the above claims, characterized in that the ventilation device ( 2 ) comprises a ventilation connection ( 13 ) which is separate from the supply connection ( 3 ) and is closed by the closure means in the closed position. 9. Spannvorrichtung (1) nach Anspruch 8, dadurch gekennzeichnet, dass das Verschlussmittel (14) in der Offenstellung einen Ringspalt (21) ausbildet, durch den die Druckkammer (4) mit dem Entlüftungsanschluss (13) in Fluid­ verbindung steht.9. tensioning device ( 1 ) according to claim 8, characterized in that the closure means ( 14 ) in the open position forms an annular gap ( 21 ) through which the pressure chamber ( 4 ) with the vent connection ( 13 ) is in fluid communication. 10. Spannvorrichtung (1) nach einem der obengenannten Ansprüche, dadurch gekennzeichnet, dass das Verschlussmittel (14) als Verschlusskolben aus­ gestaltet ist, der eine vom Versorgungsanschluss (3) zur Druckkammer (4) führende Versorgungsleitung (6) und eine zum Entlüftungsanschluss (13) füh­ renden Entlüftungsleitung (12) überbrückt.10. Clamping device ( 1 ) according to one of the above claims, characterized in that the closure means ( 14 ) is designed as a closure piston which has a supply line ( 6 ) leading from the supply connection ( 3 ) to the pressure chamber ( 4 ) and one to the ventilation connection ( 13 ) bridging leading ventilation line ( 12 ). 11. Spannvorrichtung (1) nach einem der obengenannten Ansprüche, dadurch gekennzeichnet, dass die Entlüftungseinrichtung (2) ein Vorspannmittel (15) aufweist, das eine auf das Verschlussmittel (14) einwirkende Vorspannkraft erzeugt, deren Richtung der Wirkrichtung des Versorgungsdruckes entgegen­ gerichtet ist.11. Clamping device ( 1 ) according to one of the above claims, characterized in that the ventilation device ( 2 ) has a biasing means ( 15 ) which generates a biasing force acting on the closure means ( 14 ), the direction of which is opposite to the effective direction of the supply pressure. 12. Spannvorrichtung (1) nach einem der obengenannten Ansprüche, dadurch gekennzeichnet, dass das Verschlussmittel (14) einen Durchlass (17) auf­ weist, durch den der Versorgungsanschluss (3) mit der Druckkammer (4) ver­ bunden ist.12. Clamping device ( 1 ) according to one of the above claims, characterized in that the closure means ( 14 ) has a passage ( 17 ) through which the supply connection ( 3 ) with the pressure chamber ( 4 ) is connected. 13. Spannvorrichtung (1) nach Anspruch 12, dadurch gekennzeichnet, dass der Durchlass (17) in der Versorgungsleitung (6) angeordnet ist.13. Clamping device ( 1 ) according to claim 12, characterized in that the passage ( 17 ) is arranged in the supply line ( 6 ).
DE20202663U 2002-02-20 2002-02-20 Tensioning device with variable damping characteristic for endless drive chain or drive belt for internal combustion engine has pressure chamber with pressure supply terminal and venting device Expired - Lifetime DE20202663U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20202663U DE20202663U1 (en) 2002-02-20 2002-02-20 Tensioning device with variable damping characteristic for endless drive chain or drive belt for internal combustion engine has pressure chamber with pressure supply terminal and venting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20202663U DE20202663U1 (en) 2002-02-20 2002-02-20 Tensioning device with variable damping characteristic for endless drive chain or drive belt for internal combustion engine has pressure chamber with pressure supply terminal and venting device

Publications (1)

Publication Number Publication Date
DE20202663U1 true DE20202663U1 (en) 2003-02-06

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Country Link
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2414056A (en) * 2004-05-12 2005-11-16 Ford Global Tech Llc A hydraulic chain tensioner having a pressure regulator
DE202007004988U1 (en) 2007-04-04 2008-08-07 Iwis Motorsysteme Gmbh & Co. Kg Clamping device with temperature-dependent valve
EP2478228A2 (en) * 2009-09-15 2012-07-25 Borgwarner Inc. Active control tensioner
DE102011010889A1 (en) 2011-02-10 2012-08-16 Iwis Motorsysteme Gmbh & Co. Kg Clamping apparatus for endless propellant e.g. belt, utilized for driving e.g. air compressor of combustion engine of automobile, has throttle element controllable by clamping element to change position of throttle element
DE102013014975A1 (en) 2013-09-09 2015-03-12 Iwis Motorsysteme Gmbh & Co. Kg Clamping device with temperature-dependent damping
US9360088B2 (en) 2011-09-22 2016-06-07 Borgwarner Inc. Chain drive tensioner spring force control mechanism
DE102015210861A1 (en) * 2015-06-12 2016-12-15 Ford Global Technologies, Llc Method for monitoring a traction mechanism drive of an internal combustion engine and internal combustion engine for carrying out such a method
US9683637B2 (en) 2012-12-18 2017-06-20 Borgwarner Inc. Tensioner with spring force control in a second bore
US10077825B2 (en) 2013-03-07 2018-09-18 Borgwarner Inc. Tensioner with spring force control
US11486473B2 (en) 2018-01-31 2022-11-01 Borgwarner Inc. Variable force tensioner arm with cap disk spring

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2414056A (en) * 2004-05-12 2005-11-16 Ford Global Tech Llc A hydraulic chain tensioner having a pressure regulator
DE102008004169B4 (en) * 2007-04-04 2020-12-03 Iwis Motorsysteme Gmbh & Co. Kg Clamping device with temperature-dependent valve
DE202007004988U1 (en) 2007-04-04 2008-08-07 Iwis Motorsysteme Gmbh & Co. Kg Clamping device with temperature-dependent valve
DE102008004169A1 (en) 2007-04-04 2008-10-09 Iwis Motorsysteme Gmbh & Co. Kg Tensioning device especially for timing chain on internal combustion engine has valve with valve component which automatically changes valve flow cross section depending upon temperature
EP2478228A2 (en) * 2009-09-15 2012-07-25 Borgwarner Inc. Active control tensioner
EP2478228A4 (en) * 2009-09-15 2013-03-27 Borgwarner Inc Active control tensioner
DE102011010889A1 (en) 2011-02-10 2012-08-16 Iwis Motorsysteme Gmbh & Co. Kg Clamping apparatus for endless propellant e.g. belt, utilized for driving e.g. air compressor of combustion engine of automobile, has throttle element controllable by clamping element to change position of throttle element
US11078992B2 (en) 2011-09-22 2021-08-03 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US9377088B2 (en) 2011-09-22 2016-06-28 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US9377087B2 (en) 2011-09-22 2016-06-28 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US9360088B2 (en) 2011-09-22 2016-06-07 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US10677325B2 (en) 2011-09-22 2020-06-09 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US9879764B2 (en) 2011-09-22 2018-01-30 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US10125849B2 (en) 2011-09-22 2018-11-13 Borgwarner Inc. Chain drive tensioner spring force control mechanism
US10436291B2 (en) 2012-12-18 2019-10-08 Borgwarner Inc. Tensioner with spring force control in a second bore
US10612629B2 (en) 2012-12-18 2020-04-07 Borgwarner Inc. Tensioner with spring force control in a second bore
US9683637B2 (en) 2012-12-18 2017-06-20 Borgwarner Inc. Tensioner with spring force control in a second bore
US11402000B2 (en) 2012-12-18 2022-08-02 Borgwarner Inc. Tensioner with spring force control in a second bore
US10077825B2 (en) 2013-03-07 2018-09-18 Borgwarner Inc. Tensioner with spring force control
DE102013014975A1 (en) 2013-09-09 2015-03-12 Iwis Motorsysteme Gmbh & Co. Kg Clamping device with temperature-dependent damping
DE102015210861A1 (en) * 2015-06-12 2016-12-15 Ford Global Technologies, Llc Method for monitoring a traction mechanism drive of an internal combustion engine and internal combustion engine for carrying out such a method
US11486473B2 (en) 2018-01-31 2022-11-01 Borgwarner Inc. Variable force tensioner arm with cap disk spring

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20030313

R150 Term of protection extended to 6 years

Effective date: 20050127

R081 Change of applicant/patentee

Owner name: JOH. WINKLHOFER & SOEHNE GMBH & CO. KG, DE

Free format text: FORMER OWNER: JOH. WINKLHOFER & SOEHNE GMBH UND CO KG, 81369 MUENCHEN, DE

Effective date: 20060719

R151 Term of protection extended to 8 years

Effective date: 20080215

R152 Term of protection extended to 10 years

Effective date: 20100413

R071 Expiry of right
R071 Expiry of right