SE9802949L - air Piston - Google Patents

air Piston

Info

Publication number
SE9802949L
SE9802949L SE9802949A SE9802949A SE9802949L SE 9802949 L SE9802949 L SE 9802949L SE 9802949 A SE9802949 A SE 9802949A SE 9802949 A SE9802949 A SE 9802949A SE 9802949 L SE9802949 L SE 9802949L
Authority
SE
Sweden
Prior art keywords
cylinder
end wall
cone
straight
supporting element
Prior art date
Application number
SE9802949A
Other languages
Swedish (sv)
Other versions
SE9802949D0 (en
Inventor
Ulf Bengtsson
Original Assignee
Raufoss Sweden Ab
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 Raufoss Sweden Ab filed Critical Raufoss Sweden Ab
Priority to SE9802949A priority Critical patent/SE9802949L/en
Publication of SE9802949D0 publication Critical patent/SE9802949D0/en
Priority to EP99969379A priority patent/EP1112190A1/en
Priority to AU60143/99A priority patent/AU6014399A/en
Priority to PCT/SE1999/001502 priority patent/WO2000016999A1/en
Publication of SE9802949L publication Critical patent/SE9802949L/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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
    • F16F9/057—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type characterised by the piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/26—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs
    • B60G11/27—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs wherein the fluid is a gas
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
    • F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
    • F16F9/05—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall the flexible wall being of the rolling diaphragm type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/40—Constructional features of dampers and/or springs
    • B60G2206/42—Springs
    • B60G2206/424—Plunger or top retainer construction for bellows or rolling lobe type air springs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

An air plunger (11) to be used in an air cushioning device in a vehicle has the shape of a straight, circular cylinder, which is closed at one end by means of a first end wall (12) and which at the other end has a second end wall (13) with a centre opening (14). The air plunger (11) has an inner supporting element (16) with a first portion (17), which has the shape of a hollow, truncated, straight, circular cone. The smaller end of the truncated cone abuts against the first end wall (12), and the outer diameter of the larger cone end is essentially equal to the inner diameter of the cylinder. The inner supporting element (16) is connected to the cylinder to provide transfer of forces from the jacket of the cylinder to a centre area, defined by the smaller cone surface, of the first end wall (12).
SE9802949A 1998-09-02 1998-09-02 air Piston SE9802949L (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9802949A SE9802949L (en) 1998-09-02 1998-09-02 air Piston
EP99969379A EP1112190A1 (en) 1998-09-02 1999-09-01 Air plunger
AU60143/99A AU6014399A (en) 1998-09-02 1999-09-01 Air plunger
PCT/SE1999/001502 WO2000016999A1 (en) 1998-09-02 1999-09-01 Air plunger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802949A SE9802949L (en) 1998-09-02 1998-09-02 air Piston

Publications (2)

Publication Number Publication Date
SE9802949D0 SE9802949D0 (en) 1998-09-02
SE9802949L true SE9802949L (en) 2000-03-03

Family

ID=20412445

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802949A SE9802949L (en) 1998-09-02 1998-09-02 air Piston

Country Status (4)

Country Link
EP (1) EP1112190A1 (en)
AU (1) AU6014399A (en)
SE (1) SE9802949L (en)
WO (1) WO2000016999A1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB807535A (en) * 1955-11-28 1959-01-14 Firestone Tire & Rubber Co Improvements in or relating to vehicle suspension
GB964138A (en) * 1961-12-22 1964-07-15 Firestone Tire & Rubber Co Air springs for suspension systems and bellows therefor
US3897941A (en) * 1974-03-28 1975-08-05 Goodyear Tire & Rubber Reinforced fluid spring
US4798369A (en) * 1987-11-03 1989-01-17 The Firestone Tire & Rubber Company Ultrasonic air spring system

Also Published As

Publication number Publication date
WO2000016999A1 (en) 2000-03-30
AU6014399A (en) 2000-04-10
EP1112190A1 (en) 2001-07-04
SE9802949D0 (en) 1998-09-02

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

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