WO2013057020A1 - Palier de piston d'amortisseur pneumatique élastique - Google Patents

Palier de piston d'amortisseur pneumatique élastique Download PDF

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Publication number
WO2013057020A1
WO2013057020A1 PCT/EP2012/070045 EP2012070045W WO2013057020A1 WO 2013057020 A1 WO2013057020 A1 WO 2013057020A1 EP 2012070045 W EP2012070045 W EP 2012070045W WO 2013057020 A1 WO2013057020 A1 WO 2013057020A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing body
air spring
luftfederabrollkolben
spring strut
strut
Prior art date
Application number
PCT/EP2012/070045
Other languages
German (de)
English (en)
Inventor
Thomas Eike
Andreas Kind
Reiner Waschk
Ingo Tetzlaff
Original Assignee
Continental Teves Ag & Co. Ohg
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 Continental Teves Ag & Co. Ohg filed Critical Continental Teves Ag & Co. Ohg
Publication of WO2013057020A1 publication Critical patent/WO2013057020A1/fr

Links

Classifications

    • 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
    • B60G11/28—Resilient suspensions characterised by arrangement, location or kind of springs having fluid springs only, e.g. hydropneumatic springs characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
    • B60G15/12—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper
    • B60G15/14—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring and fluid damper the damper being connected to the stub axle and the spring being arranged around the damper
    • 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
    • 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
    • F16F9/32—Details
    • F16F9/54—Arrangements for attachment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/30—Spring/Damper and/or actuator Units
    • B60G2202/31—Spring/Damper and/or actuator Units with the spring arranged around the damper, e.g. MacPherson strut
    • B60G2202/314—The spring being a pneumatic spring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/10—Mounting of suspension elements
    • B60G2204/12—Mounting of springs or dampers
    • B60G2204/126—Mounting of pneumatic springs
    • B60G2204/1262—Mounting of pneumatic springs on a damper
    • 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

Definitions

  • An air spring strut for a vehicle comprising:
  • Polyurethane foam generally ensures a good
  • the elastomer polyurethane of the deformable bearing body could thus advantageously contribute to the enhancement of the effect of acoustic decoupling (rattle protection).
  • Polyurethane also shows a high wear resistance, which proves to be very advantageous in continuous operation of Lucasfederabrollkolbens.
  • sandwich elements which could also be an embodiment of the bearing body, polyurethane foam proves to be an ideal insulating and insulating layer.
  • Polyurethane is also lighter and more cold-elastic than e.g. Rubber. Polyurethane provides electrical insulation and protection against aggressive environmental conditions (chemical, temperature,
  • Bearing body holder is movable in two opposite directions parallel to the axis of the air spring strut
  • bearing body holder has on the chassis side a first groove on a cylinder outer side facing away from the shock absorber tube, wherein the first groove is adapted to receive a first sealing element, which is adapted to a pneumatic spring internal pressure against an external environment
  • the arrangement of the elastically deformable bearing body at one end of the Lucasfederabrollkolbens is advantageous because relatively small movements of the shock absorber tube are cushioned by the bearing body.
  • Fuselage tube fixed.
  • the sealing element e.g. an O-ring
  • Bearing body holder can be varied. If one chooses such a thickness of the sealing element that a distance between the
  • deformable bearing body in his sensitivity can be increased even more.
  • elastically deformable Bearing body can be cushioned also smaller movements, which are introduced by the wheel via the axle into the strut and movements of the shock absorber relative to the body
  • Sensitivity is increased even more. Due to the elastically deformable bearing body now smallest movements can be optimally cushioned, which are initiated by the wheel over the axis in the strut and cause movement of the shock absorber relative to the body, which, however, not by the
  • Air bellows can be cushioned.
  • the first and the at least second groove are formed so that the inserted first and second sealing element protrude from the bearing body holder, so that a distance between the
  • the first and the second sealing element are axially biased and / or consist of an elastomer.
  • the acoustic decoupling of the described arrangement in the strut is thus under constant bias, i. both during a movement of Luftfederabrollkolbens in the pulling direction and in the printing direction. Because the acoustic decoupling in the described arrangement is based on annular
  • Strut axle directed forces This may have the advantage that a separate decoupling in the pulling direction and a separate decoupling in the printing direction - as it is done in the prior art - is no longer necessary.
  • sealing elements are made of an elastomer, may have the advantage that the noise, which only takes place at the on the sealing elements, such as O-rings
  • Sealing elements can arise, even being reduced again. If one uses e.g. The elastomer rubber as a material for the sealing elements, so rubber can contribute to a
  • Choice of material can enhance the effect of acoustic decoupling.
  • the Luftfederabrollkolben on its the shock absorber tube surface facing at least one groove which is adapted to receive a sealing element, which is adapted to the
  • the air spring strut in which a relative movement between the Luftfederabrollkolben and the bearing body holder is converted to another technical design, can be realized, wherein by means of at least one sealing element, the air spring interior is sealed against the atmosphere.
  • the sealing element may e.g. represent an O-ring.
  • the bearing body has a stepped shape, so that a form-fitting
  • Bearing body is formed, wherein the positive connection between the bearing body and the Heilfederabrollkolben is formed so that the bearing body has direct contact with the bearing body holder and the Heilfederabrollkolben has no direct contact with the bearing body holder.
  • the bearing body thus forms a small step into which the air spring roll-off piston is "keyed" in a key-shaped manner
  • the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the elastically deformable bearing body at the wheel end of the
  • Air spring roll piston arranged.
  • the elastic bearing body can thus be arranged at the wheel end of the Luftfederabrollkolbens ("standing piston"). In another embodiment, the elastic bearing body can also be arranged at the chassis facultyen end of Vietnamesefederabrollkolbens ("hanging piston").
  • the wheel-side or the chassis-side arrangement of the elastic bearing body may prove to be more advantageous.
  • the bearing body between the wheel-side end of Lucasfederabrollkolbens and the chassis Schoen end of the bearing body holder is arranged, wherein the bearing body further spaced apart, embedded in the polyurethane foam solid intermediate disks, wherein the polyurethane foam the
  • deformable bearing body is cushioned.
  • the solid-state disks give the bearing body a certain stability and shape.
  • the polyurethane foam gives the bearing body elasticity.
  • Air spring rolling piston and the bearing body holder Air spring rolling piston and the bearing body holder.
  • the air spring strut comprises a rolling bellows, wherein the rolling bellows on
  • chassis Summary
  • Air spring rolling piston Another advantage of using a rolling bellows is its universal compatibility with
  • the bearing body which contains polyurethane foam, further designed to seal even the air spring internal pressure against the external environment.
  • Sealing elements can be dispensed with.
  • Air spring internal pressure are used against the external environment: rolling bellows, bellows and their lower forms
  • Embodiments for sealing the air spring internal pressure against the external environment relate to a system of an air spring strut according to one of the preceding claims and a vehicle connection of a vehicle, wherein the
  • Air spring leg is designed for suspension of a wheel or an axle of the vehicle.
  • Air strut and the vehicle connection in both opposite directions of a relative movement between the
  • FIG. 1 shows a schematic view of a cross section through a part of an air spring strut, wherein the bearing body support has a groove with a sealing element on the chassis and wheel side,
  • Sealing elements 116 and 118 are reduced.
  • the sensitivity of the suspension of small movements of the shock absorber tube 110 relative to the shock absorber is thus increased. Smallest movements of the shock absorber tube 110 relative to the shock absorber can now also be cushioned.
  • the two sealing elements 116 and 118 can be made
  • Stepped bearing body 106 "fits".
  • the solid-state intermediate disks 124 are parallel and spaced apart from each other, that is to say sandwiched, their upper and lower sides, in the rest position, being directed perpendicular to the axis of the shock absorber pipe 110.
  • Solid intermediate disks 124 give the bearing body 106 a certain stability and shape.
  • the bearing body 106 Due to the parallel arrangement of the solid-state disks 124 perpendicular to the axis of the shock absorber tube 110, the direction of deformation of the elastic bearing body 106 is predetermined at the same time, namely primarily in the direction of the axis of the shock absorber tube 110, ie in the direction of the relative movement between the Luftfederabrollkolben 104 and the bearing body holder 108th
  • the bearing body 106 acts as a spring between the wheel-side bearing body holder 108 and the chassis Klien Lucasfederabrollkolben 104.

Abstract

L'invention concerne une jambe d'amortisseur pneumatique (100) pour un véhicule, comprenant : un corps de palier (106), un support de corps de palier (108), et un piston de roulement d'amortisseur pneumatique (104), ledit piston de roulement d'amortisseur pneumatique (104) étant logé élastiquement au moyen du corps de palier (106), le corps de palier (106) étant élastiquement déformable et comprenant une mousse de polyuréthanne (122).
PCT/EP2012/070045 2011-10-18 2012-10-10 Palier de piston d'amortisseur pneumatique élastique WO2013057020A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084665.4 2011-10-18
DE102011084665A DE102011084665A1 (de) 2011-10-18 2011-10-18 Elastische Luftfederkolbenlagerung

Publications (1)

Publication Number Publication Date
WO2013057020A1 true WO2013057020A1 (fr) 2013-04-25

Family

ID=47040706

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/070045 WO2013057020A1 (fr) 2011-10-18 2012-10-10 Palier de piston d'amortisseur pneumatique élastique

Country Status (2)

Country Link
DE (1) DE102011084665A1 (fr)
WO (1) WO2013057020A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076277A (zh) * 2022-05-17 2022-09-20 中国第一汽车股份有限公司 一种低扭转刚度的弹减一体式空气弹簧总成
CN115076278A (zh) * 2022-05-17 2022-09-20 中国第一汽车股份有限公司 一种扭转刚度可控的弹减一体式空气弹簧总成

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6438258B2 (ja) 2014-09-30 2018-12-12 株式会社ショーワ 反力調整部材及びサスペンション
DE102017209288A1 (de) * 2017-06-01 2018-12-06 Zf Friedrichshafen Ag Abrollkolbenanordnung
DE102019214908A1 (de) * 2019-09-27 2021-04-01 Continental Teves Ag & Co. Ohg Luftfederbein mit einer Verdrehsicherung für einen Abrollkolben

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19508980C1 (de) 1995-03-13 1996-06-27 Daimler Benz Ag Luftfederbein
FR2728948A1 (fr) 1994-12-28 1996-07-05 Renault Ressort pneumatique a deux chambres a alimentation independante, vehicule automobile a suspension comportant un tel ressort et ensemble ressort-amortisseur de suspension
DE19522459C1 (de) * 1995-06-21 1996-10-02 Fichtel & Sachs Ag Abdichtung eines Abrollrohres bei einer Luftfeder
DE19842733A1 (de) * 1997-09-25 1999-04-01 Phoenix Ag Luftfedersystem
DE19802703A1 (de) 1998-01-24 1999-07-29 Bayerische Motoren Werke Ag Luftfeder mit einem Rollbalg
DE19908607A1 (de) 1999-02-27 2000-09-07 Daimler Chrysler Ag Luftfederbein für Radaufhängungen von Kraftfahrzeugen
DE10014467C1 (de) * 2000-03-23 2001-10-31 Mannesmann Sachs Ag Luftfeder mit tragdruckabhängig verstellbarem Schwingungsdämpfer
DE10302495A1 (de) * 2002-02-27 2003-09-04 Phoenix Ag Luftfederanordnung
DE10225354A1 (de) * 2002-06-07 2004-01-15 Daimlerchrysler Ag Kopflager eines Kraftfahrzeugfederbeins
DE102004002432A1 (de) 2003-01-21 2004-07-29 The Pullman Co., Milan Oberes Stoßdämpfer-Montagesystem mit integriertem Luftfeder-Drehlagergehäuse
DE10320501A1 (de) 2003-05-08 2004-11-25 Continental Aktiengesellschaft Radführendes Vorderachs-Federbein
DE202005021448U1 (de) * 2004-12-17 2008-02-14 Carl Freudenberg Kg Luftfeder
DE102009003476A1 (de) 2009-02-13 2010-08-19 Continental Aktiengesellschaft Torsionslager für Luftfeder
EP2253491A1 (fr) * 2009-05-20 2010-11-24 Continental Aktiengesellschaft Suspension pneumatique avec appui en forme d'un pli roulant

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206907A (en) * 1978-06-05 1980-06-10 General Motors Corporation Suspension strut with pneumatic spring
IT1185581B (it) * 1985-05-27 1987-11-12 G A Soc Applic Gomma Antivibra Ammortizzatore in una sospensione per veicoli
SE468124B (sv) * 1990-03-16 1992-11-09 Saab Scania Ab Fjaederarrangemang vid fordon

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728948A1 (fr) 1994-12-28 1996-07-05 Renault Ressort pneumatique a deux chambres a alimentation independante, vehicule automobile a suspension comportant un tel ressort et ensemble ressort-amortisseur de suspension
DE19508980C1 (de) 1995-03-13 1996-06-27 Daimler Benz Ag Luftfederbein
DE19522459C1 (de) * 1995-06-21 1996-10-02 Fichtel & Sachs Ag Abdichtung eines Abrollrohres bei einer Luftfeder
DE19842733A1 (de) * 1997-09-25 1999-04-01 Phoenix Ag Luftfedersystem
DE19802703A1 (de) 1998-01-24 1999-07-29 Bayerische Motoren Werke Ag Luftfeder mit einem Rollbalg
DE19908607B4 (de) 1999-02-27 2005-05-12 Daimlerchrysler Ag Luftfederbein für Radaufhängungen von Kraftfahrzeugen
DE19908607A1 (de) 1999-02-27 2000-09-07 Daimler Chrysler Ag Luftfederbein für Radaufhängungen von Kraftfahrzeugen
DE10014467C1 (de) * 2000-03-23 2001-10-31 Mannesmann Sachs Ag Luftfeder mit tragdruckabhängig verstellbarem Schwingungsdämpfer
DE10302495A1 (de) * 2002-02-27 2003-09-04 Phoenix Ag Luftfederanordnung
DE10225354A1 (de) * 2002-06-07 2004-01-15 Daimlerchrysler Ag Kopflager eines Kraftfahrzeugfederbeins
DE102004002432A1 (de) 2003-01-21 2004-07-29 The Pullman Co., Milan Oberes Stoßdämpfer-Montagesystem mit integriertem Luftfeder-Drehlagergehäuse
DE10320501A1 (de) 2003-05-08 2004-11-25 Continental Aktiengesellschaft Radführendes Vorderachs-Federbein
DE202005021448U1 (de) * 2004-12-17 2008-02-14 Carl Freudenberg Kg Luftfeder
DE102009003476A1 (de) 2009-02-13 2010-08-19 Continental Aktiengesellschaft Torsionslager für Luftfeder
EP2253491A1 (fr) * 2009-05-20 2010-11-24 Continental Aktiengesellschaft Suspension pneumatique avec appui en forme d'un pli roulant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115076277A (zh) * 2022-05-17 2022-09-20 中国第一汽车股份有限公司 一种低扭转刚度的弹减一体式空气弹簧总成
CN115076278A (zh) * 2022-05-17 2022-09-20 中国第一汽车股份有限公司 一种扭转刚度可控的弹减一体式空气弹簧总成

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