DE20115980U1 - Hydraulic telescopic damper - Google Patents

Hydraulic telescopic damper

Info

Publication number
DE20115980U1
DE20115980U1 DE20115980U DE20115980U DE20115980U1 DE 20115980 U1 DE20115980 U1 DE 20115980U1 DE 20115980 U DE20115980 U DE 20115980U DE 20115980 U DE20115980 U DE 20115980U DE 20115980 U1 DE20115980 U1 DE 20115980U1
Authority
DE
Germany
Prior art keywords
piston
passage
channel
damper according
passage channel
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
DE20115980U
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.)
PATEC FAHRWERKTECHNIK GmbH
Original Assignee
PATEC FAHRWERKTECHNIK GmbH
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 PATEC FAHRWERKTECHNIK GmbH filed Critical PATEC FAHRWERKTECHNIK GmbH
Priority to DE20115980U priority Critical patent/DE20115980U1/en
Publication of DE20115980U1 publication Critical patent/DE20115980U1/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
    • 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
    • F16F9/44—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46—Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/466—Throttling control, i.e. regulation of flow passage geometry
    • 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
    • F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
    • F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
    • F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
    • F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
    • F16F9/185—Bitubular units
    • F16F9/187—Bitubular units with uni-directional flow of damping fluid through the valves

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 erfaßtThe description text was not recorded electronically

Claims (7)

1. Hydraulischer Teleskopdämpfer mit einem in einem Arbeitszylinder (2) geführten, relativ gegenüber dem Arbeitszylinder (2) bewegba­ ren und den Arbeitszylinder (2) in einen oberen Arbeitsraum (6) und in einen unteren Arbeitsraum (7) teilenden Kolben (4), angeordnet an einer aus dem Arbeitszylinder (2) austretenden Kolbenstange (5), sowie mit zumindest teilweise dem Kolben (4) zugeordneten Einwegventile umfassenden Mitteln zum Erzeugen eines hydrauli­ schen Widerstandes bei einer Bewegung des Kolbens (4) gegen­ über dem Arbeitszylinder (2), dadurch gekennzeichnet, daß dem Kolben (4) oder der Kolbenstange (5) ein den oberen Arbeitsraum (6) mit dem unteren Arbeitsraum (7) verbindender Durchlaßkanal (11) zugeordnet ist, in dem endseitig ein in einer Betätigungsrich­ tung des Kolbens (4) durch das durch den Durchlaßkanal (11) bei einer solchen Kolbenbewegung gedrückte hydraulische Medium sich öffnendes, federbelastetes Einwegventil (15) angeordnet ist, und daß dem Durchgangskanal (11) eine mit dem Einwegventil (15) in Reihe geschaltete Einrichtung (16, 17, 18) zum Einstellen der hydraulisch wirksamen Querschnittsfläche des Durchlaßkanals zu­ geordnet ist.1. Hydraulic telescopic shock absorbers with a in a working cylinder (2) guided relatively with respect to the working cylinder (2) bewegba ren and the working cylinder (2), into an upper working chamber (6) and a lower working chamber (7) dividing piston (4) disposed on a comprehensive from the working cylinder (2) emergent piston rod (5), and with at least partly the piston (4) associated with one-way valves means for generating a hydrauli's resistance during movement of the piston (4) against the working cylinder (2), characterized in that the piston ( 4 ) or the piston rod ( 5 ) is assigned a passage channel ( 11 ) connecting the upper working chamber ( 6 ) with the lower working chamber ( 7 ), in which a piston in the direction of actuation of the piston ( 4 ) by means of the spring-loaded one-way valve ( 15 ) which opens through the passage channel ( 11 ) and which presses the hydraulic medium during such a piston movement net, and that the through-channel ( 11 ) with the one-way valve ( 15 ) connected in series device ( 16 , 17 , 18 ) for adjusting the hydraulically effective cross-sectional area of the through-channel is assigned. 2. Teleskopdämpfer nach Anspruch 1, dadurch gekennzeichnet, daß das in dem Durchgangskanal (11) angeordnete federbelastete Einwegventil (15) bei Ausüben eines Zughubes des Kolbens (4) öffnend ausgelegt ist.2. Telescopic damper according to claim 1, characterized in that the spring-loaded one-way valve ( 15 ) arranged in the through-channel ( 11 ) is designed to be open when a pulling stroke of the piston ( 4 ) is carried out. 3. Teleskopdämpfer nach Anspruch 2, dadurch gekennzeichnet, daß der Durchlaßkanal (11) aus einem axial den Kolben (4) über­ brückenden Abschnitt (12) und aus einem in den oberen Arbeits­ raum (6) mündenden radialen Abschnitt (13) besteht.3. Telescopic damper according to claim 2, characterized in that the passage channel ( 11 ) consists of an axially the piston ( 4 ) over bridging section ( 12 ) and a in the upper working space ( 6 ) opening radial section ( 13 ). 4. Teleskopdämpfer nach einem der Ansprüche 1-3, dadurch ge­ kennzeichnet, daß die Einrichtung zum Einstellen der hydraulisch wirksamen Querschnittsfläche des Durchlaßkanals (11) dem Ein­ wegventil (15) vorgeschaltet ist. 4. Telescopic damper according to one of claims 1-3, characterized in that the device for adjusting the hydraulically effective cross-sectional area of the passage channel ( 11 ) is connected upstream of the one-way valve ( 15 ). 5. Teleskopdämpfer nach Anspruch 3 oder 4, dadurch gekenn­ zeichnet, daß die Einrichtung zum Einstellen der hydraulisch wirk­ samen Querschnittsfläche des Durchlaßkanals (11) eine konzen­ trisch zur Kolbenstange (5) angeordnete und in axialer Richtung einrichtbare Einstellstange (17) umfasst, die mit freiem Ende (16) in den axial verlaufenden Abschnitt (12) des Durchlaßkanals (11) ein­ greift und mit deren in den Durchlaßkanal (11) eingreifenden Ende (16) die hydraulisch wirksame Querschnittsfläche des Durchlaßka­ nals (11) in Abhängigkeit von der Stellung der Einstellstange (17) einstellbar ist.5. Telescopic damper according to claim 3 or 4, characterized in that the device for adjusting the hydraulically effective seed cross-sectional area of the passage ( 11 ) comprises a concentric to the piston rod ( 5 ) arranged and adjustable in the axial direction adjustment rod ( 17 ) with free end ( 16 ) in the axially extending portion ( 12 ) of the passage channel ( 11 ) engages and with their in the passage channel ( 11 ) engaging end ( 16 ) the hydraulically effective cross-sectional area of the passage channel ( 11 ) depending on the position of the Adjustment rod ( 17 ) is adjustable. 6. Teleskopdämpfer nach Anspruch 5, dadurch gekennzeichnet, daß das freie, in den Durchlaßkanal eingreifende Ende der Einstell­ stange konisch verjüngt ist.6. Telescopic damper according to claim 5, characterized in that the free, engaging in the passage end of the adjustment rod is conically tapered. 7. Teleskopdämpfer nach Anspruch 5 oder 6, dadurch gekenn­ zeichnet, daß zwischen der Mantelfläche des in den axialen Ab­ schnitt des Durchlaßkanals eingreifenden freien Endes der Einstell­ stange und der inneren Mantelfläche des axialen Abschnittes des Durchlaßkanals ein Ringspalt ausgebildet ist.7. Telescopic damper according to claim 5 or 6, characterized records that between the lateral surface of the in the axial Ab cut the passage engaging free end of the adjustment rod and the inner surface of the axial portion of the Passage channel is formed an annular gap.
DE20115980U 2001-09-28 2001-09-28 Hydraulic telescopic damper Expired - Lifetime DE20115980U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20115980U DE20115980U1 (en) 2001-09-28 2001-09-28 Hydraulic telescopic damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20115980U DE20115980U1 (en) 2001-09-28 2001-09-28 Hydraulic telescopic damper

Publications (1)

Publication Number Publication Date
DE20115980U1 true DE20115980U1 (en) 2001-12-06

Family

ID=7962265

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20115980U Expired - Lifetime DE20115980U1 (en) 2001-09-28 2001-09-28 Hydraulic telescopic damper

Country Status (1)

Country Link
DE (1) DE20115980U1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004024898A1 (en) * 2004-05-19 2005-12-15 Volkswagen Aktiengesellschaft Container tube for an oscillating damper in vehicles comprises a pipe end section which has a wall thickness which is larger than the wall thickness in the middle section between the pipe end section and a further pipe end section
WO2013177844A1 (en) * 2012-05-30 2013-12-05 Beijingwest Industries Co., Ltd. A suspension damper assembly
CN104373496A (en) * 2014-10-11 2015-02-25 宁波凯瑞汽车零部件有限公司 Bidirectional adjustable shock absorber
CN104948644A (en) * 2015-07-23 2015-09-30 合肥扬帆通信元器件有限公司 Controllable telescopic damper

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004024898A1 (en) * 2004-05-19 2005-12-15 Volkswagen Aktiengesellschaft Container tube for an oscillating damper in vehicles comprises a pipe end section which has a wall thickness which is larger than the wall thickness in the middle section between the pipe end section and a further pipe end section
DE102004024898B4 (en) * 2004-05-19 2016-04-28 Volkswagen Aktiengesellschaft Container tube for a vibration damper
WO2013177844A1 (en) * 2012-05-30 2013-12-05 Beijingwest Industries Co., Ltd. A suspension damper assembly
CN104364552A (en) * 2012-05-30 2015-02-18 北京京西重工有限公司 A suspension damper assembly
US9334917B2 (en) 2012-05-30 2016-05-10 Beijing West Industries Co., Ltd. Suspension damper assembly
CN104373496A (en) * 2014-10-11 2015-02-25 宁波凯瑞汽车零部件有限公司 Bidirectional adjustable shock absorber
CN104948644A (en) * 2015-07-23 2015-09-30 合肥扬帆通信元器件有限公司 Controllable telescopic damper

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020117

R163 Identified publications notified

Effective date: 20020517

R156 Lapse of ip right after 3 years

Effective date: 20050401