FR2570781B1 - Amortisseur pneumatique - Google Patents

Amortisseur pneumatique

Info

Publication number
FR2570781B1
FR2570781B1 FR858507384A FR8507384A FR2570781B1 FR 2570781 B1 FR2570781 B1 FR 2570781B1 FR 858507384 A FR858507384 A FR 858507384A FR 8507384 A FR8507384 A FR 8507384A FR 2570781 B1 FR2570781 B1 FR 2570781B1
Authority
FR
France
Prior art keywords
shock absorber
pneumatic shock
pneumatic
absorber
shock
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
FR858507384A
Other languages
English (en)
Other versions
FR2570781A1 (fr
Inventor
Willi Schweikert
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg 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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of FR2570781A1 publication Critical patent/FR2570781A1/fr
Application granted granted Critical
Publication of FR2570781B1 publication Critical patent/FR2570781B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2607—With pressure reducing inlet valve
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2559—Self-controlled branched flow systems
    • Y10T137/2574—Bypass or relief controlled by main line fluid condition
    • Y10T137/2605—Pressure responsive
    • Y10T137/2607—With pressure reducing inlet valve
    • Y10T137/261—Relief port through common sensing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
FR858507384A 1984-09-21 1985-05-15 Amortisseur pneumatique Expired FR2570781B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19843434659 DE3434659A1 (de) 1984-09-21 1984-09-21 Luftfeder

Publications (2)

Publication Number Publication Date
FR2570781A1 FR2570781A1 (fr) 1986-03-28
FR2570781B1 true FR2570781B1 (fr) 1989-12-29

Family

ID=6245959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858507384A Expired FR2570781B1 (fr) 1984-09-21 1985-05-15 Amortisseur pneumatique

Country Status (4)

Country Link
US (1) US4732077A (fr)
DE (1) DE3434659A1 (fr)
FR (1) FR2570781B1 (fr)
GB (1) GB2164724B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622017A1 (de) * 1986-07-01 1988-01-14 Freudenberg Carl Fa Luftfeder
US5727588A (en) * 1996-03-18 1998-03-17 Lin; Arther Depressurizing connector
US6883810B2 (en) 2002-11-04 2005-04-26 Volvo Trucks North America, Inc. Air spring stiffness controller
EP2412999A1 (fr) 2010-07-28 2012-02-01 Carl Freudenberg KG Support à amortissement hydraulique
NZ716223A (en) * 2013-07-19 2019-12-20 African Oxygen Ltd Gas pressure regulator
JP2016170748A (ja) * 2015-03-16 2016-09-23 アズビル株式会社 減圧弁
DE102015007689A1 (de) * 2015-06-11 2016-12-15 Hydac Fluidtechnik Gmbh Druckregelventil
EP3426958B1 (fr) * 2016-03-07 2022-07-27 Westport Fuel Systems Canada Inc. Modules de régulation de pression avec trajectoires de fuite contrôlées

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2965372A (en) * 1958-07-08 1960-12-20 Wright Barry Corp Pneumatic isolator
GB1026167A (en) * 1961-10-25 1966-04-14 Bridgestone Tire Co Ltd Gas suspension device for a vehicle with variable throttling means
DE1430557A1 (de) * 1963-09-06 1969-04-30 Bosch Gmbh Robert Ventilvorrichtung
US3232306A (en) * 1964-05-20 1966-02-01 Maremont Corp Selector valve and air supply system for combined air spring and shock absorber units
US3420257A (en) * 1964-09-04 1969-01-07 Parker Hannifin Corp Pressure regulating valve
DE1630752C3 (de) * 1967-12-15 1975-07-03 Langen & Co, 4000 Duesseldorf Druckmittelgespeistes Federelement für Fahrzeuge mit innerer Niveauregeleinrichtung zum Anschluß an eine außenliegende Druckmittelquelle, insbesondere hydropneumatisches Federbein
US3460559A (en) * 1968-08-26 1969-08-12 Bendix Corp Combined pressure regulator and relief valve
DE1901795A1 (de) * 1969-01-15 1970-08-13 Langen & Co Abfederungsvorrichtung fuer Fahrzeuge mit automatischem Lastausgleich
US3545471A (en) * 1969-06-02 1970-12-08 John F Taplin Pressure regulator
US3955590A (en) * 1974-11-05 1976-05-11 Midland-Ross Corporation Regulator for vehicle leveling systems
DE2548351C3 (de) * 1975-10-29 1979-09-06 Wabco Westinghouse Gmbh, 3000 Hannover Druckregelventil für eine Doppelachs-Luftfederung von Nutzfahrzeugen
DE2550877A1 (de) * 1975-11-12 1977-05-18 Parker Hannifin Corp Druckregelventil
DE3120178A1 (de) * 1981-05-21 1982-12-30 Wabco Westinghouse Fahrzeugbremsen GmbH, 3000 Hannover "steuereinrichtung fuer ein luftgefedertes fahrzeug"
US4453736A (en) * 1982-09-13 1984-06-12 Wabco Fahrzeugbremsen Gmbh Control arrangement for a pneumatically cushioned vehicle
DE3329327A1 (de) * 1983-08-13 1985-02-28 Fa. Carl Freudenberg, 6940 Weinheim Gasdruckfeder

Also Published As

Publication number Publication date
GB2164724B (en) 1988-05-05
DE3434659A1 (de) 1986-04-03
DE3434659C2 (fr) 1988-11-10
FR2570781A1 (fr) 1986-03-28
GB8523305D0 (en) 1985-10-23
US4732077A (en) 1988-03-22
GB2164724A (en) 1986-03-26

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Legal Events

Date Code Title Description
ST Notification of lapse