WO2004022994A3 - Damper for fluid vibrations comprising two diaphragms - Google Patents

Damper for fluid vibrations comprising two diaphragms Download PDF

Info

Publication number
WO2004022994A3
WO2004022994A3 PCT/IB2003/003799 IB0303799W WO2004022994A3 WO 2004022994 A3 WO2004022994 A3 WO 2004022994A3 IB 0303799 W IB0303799 W IB 0303799W WO 2004022994 A3 WO2004022994 A3 WO 2004022994A3
Authority
WO
WIPO (PCT)
Prior art keywords
relatively flexible
diaphragm
flexible diaphragm
housing
frequency vibrations
Prior art date
Application number
PCT/IB2003/003799
Other languages
French (fr)
Other versions
WO2004022994A8 (en
WO2004022994A2 (en
Inventor
Filipe Franco
Patrick Desbois
Original Assignee
Automotive Prod France
Filipe Franco
Patrick Desbois
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 Prod France, Filipe Franco, Patrick Desbois filed Critical Automotive Prod France
Priority to EP03793986A priority Critical patent/EP2140160A2/en
Priority to AU2003253223A priority patent/AU2003253223A1/en
Priority to GB0503913A priority patent/GB2408553B/en
Publication of WO2004022994A2 publication Critical patent/WO2004022994A2/en
Publication of WO2004022994A3 publication Critical patent/WO2004022994A3/en
Publication of WO2004022994A8 publication Critical patent/WO2004022994A8/en

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
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J3/00—Diaphragms; Bellows; Bellows pistons
    • F16J3/02—Diaphragms
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/041—Devices damping pulsations or vibrations in fluids specially adapted for preventing vibrations
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05—Buffers therefor
    • F16L55/052—Pneumatic reservoirs
    • F16L55/053—Pneumatic reservoirs the gas in the reservoir being separated from the fluid in the pipe
    • 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
    • F16D48/00—External control of clutches
    • F16D48/02—Control by fluid pressure
    • F16D2048/0215—Control by fluid pressure for damping of pulsations within the fluid system
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/22—Vibration damping

Abstract

The invention is concerned with a damper having a housing (41) including a port (42) for connection with an associate fluid actuation system and a relatively flexible diaphragm (43) carried by said housing and defining therewith a chamber (50) with one face of the relatively flexible diaphragm in communication with the port so that the relatively flexible diaphragm may deflect in response to and hence damp low frequency vibrations transmitted through the hydraulic fluid in the associated actuation system to effect damping of such vibrations. A further diaphragm (46) is carried by the housing and positioned parallel to and proximate the other face of the relatively flexible diaphragm (43) so as to form a backup for the relatively flexible) diaphragm so that the relatively flexible diaphragm may deform against the further diaphragm in response to high frequency vibrations transmitted through the hydraulic fluid to cause deflection of the further diaphragm to effect damping of the high frequency vibrations. The relatively flexible diaphragm is sealed to the housing by a seal (44) having two lobes (44a) arranged concentrically one radially inside the other and which both project from the same side of the flexible diaphragm (43) and extend around a peripheral portion of the relatively flexible diaphragm.
PCT/IB2003/003799 2002-09-04 2003-08-29 Damper for fluid vibrations comprising two diaphragms WO2004022994A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP03793986A EP2140160A2 (en) 2002-09-04 2003-08-29 Damper for fluid vibrations comprising two diaphragms
AU2003253223A AU2003253223A1 (en) 2002-09-04 2003-08-29 Damper for fluid vibrations comprising two diaphragms
GB0503913A GB2408553B (en) 2002-09-04 2003-08-29 Damper having a diaphragm with integral seal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0220530.0 2002-09-04
GBGB0220530.0A GB0220530D0 (en) 2002-09-04 2002-09-04 Dampers and reservoirs

Publications (3)

Publication Number Publication Date
WO2004022994A2 WO2004022994A2 (en) 2004-03-18
WO2004022994A3 true WO2004022994A3 (en) 2004-07-15
WO2004022994A8 WO2004022994A8 (en) 2004-09-10

Family

ID=9943475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2003/003799 WO2004022994A2 (en) 2002-09-04 2003-08-29 Damper for fluid vibrations comprising two diaphragms

Country Status (4)

Country Link
EP (1) EP2140160A2 (en)
AU (1) AU2003253223A1 (en)
GB (2) GB0220530D0 (en)
WO (1) WO2004022994A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0410039D0 (en) 2004-05-06 2004-06-09 Automotive Prod France Hydraulic actuators
DE112008000113B4 (en) * 2007-01-20 2015-11-05 Schaeffler Technologies AG & Co. KG A clutch actuating device with an arrangement for suppressing self-resonances
DE102008003991A1 (en) 2007-01-20 2008-07-24 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Periodic resonance suppression arrangement for use in internal combustion engine of vehicle, has hollow space, where arrangement defines fluid column as branch pipe, and volume of column is variable by changing length of boundary
DE102012210843A1 (en) 2012-06-26 2014-01-02 Schaeffler Technologies AG & Co. KG Damping device used as damper box in hydraulic track for actuating vehicle clutch, has construction elements that are provided at disc-shaped membrane and inside housing, to produce bayonet-like connection between membrane and housing
DE102017129871A1 (en) 2017-12-14 2019-06-19 Schaeffler Technologies AG & Co. KG Fluidic damping device
CN115218057A (en) * 2022-07-28 2022-10-21 德帕姆(杭州)泵业科技有限公司 Pulsation damper

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371632A (en) * 1943-01-01 1945-03-20 Ideal Roller & Mfg Company Accumulator
US2687908A (en) * 1950-12-29 1954-08-31 Bendix Westinghouse Automotive Seal construction
GB793707A (en) * 1955-05-23 1958-04-23 Rolls Royce Improvements relating to diaphragms
US3931834A (en) * 1974-06-26 1976-01-13 The Goodyear Tire & Rubber Company Expansion tank diaphragm assembly
US5410945A (en) * 1993-08-17 1995-05-02 Richard Schops Pressure control device
EP1174634A2 (en) * 2000-07-20 2002-01-23 Automotive Products (Usa) Inc. Dual action damper for hydraulic clutch actuator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59122787A (en) * 1982-12-28 1984-07-16 Iwaki:Kk Diaphragm of diaphragm pump
JPS61290273A (en) * 1985-06-19 1986-12-20 Hitachi Ltd Negative pressure responsing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371632A (en) * 1943-01-01 1945-03-20 Ideal Roller & Mfg Company Accumulator
US2687908A (en) * 1950-12-29 1954-08-31 Bendix Westinghouse Automotive Seal construction
GB793707A (en) * 1955-05-23 1958-04-23 Rolls Royce Improvements relating to diaphragms
US3931834A (en) * 1974-06-26 1976-01-13 The Goodyear Tire & Rubber Company Expansion tank diaphragm assembly
US5410945A (en) * 1993-08-17 1995-05-02 Richard Schops Pressure control device
EP1174634A2 (en) * 2000-07-20 2002-01-23 Automotive Products (Usa) Inc. Dual action damper for hydraulic clutch actuator

Also Published As

Publication number Publication date
AU2003253223A8 (en) 2004-03-29
WO2004022994A8 (en) 2004-09-10
GB2408553A (en) 2005-06-01
GB0220530D0 (en) 2002-10-09
WO2004022994A2 (en) 2004-03-18
GB0503913D0 (en) 2005-04-06
EP2140160A2 (en) 2010-01-06
GB2408553B (en) 2006-05-24
AU2003253223A1 (en) 2004-03-29

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