DE3935159C2 - - Google Patents

Info

Publication number
DE3935159C2
DE3935159C2 DE3935159A DE3935159A DE3935159C2 DE 3935159 C2 DE3935159 C2 DE 3935159C2 DE 3935159 A DE3935159 A DE 3935159A DE 3935159 A DE3935159 A DE 3935159A DE 3935159 C2 DE3935159 C2 DE 3935159C2
Authority
DE
Germany
Prior art keywords
piston
piston body
passage channels
valve
radially outer
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
DE3935159A
Other languages
German (de)
English (en)
Other versions
DE3935159A1 (de
Inventor
Wilhelm 5208 Eitorf De Wortmann
Holger Dipl.-Ing. 5207 Ruppichteroth De Kirchner
Bernd Dipl.-Ing. 5202 Hennef De Wilms
Ruediger 5227 Windeck De Detzel
Dietmar Dipl.-Ing. 5462 Bad Hoenningen De Zilz
Waldemar Dipl.-Ing. 5000 Koeln De Malejka
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.)
ZF Friedrichshafen AG
Original Assignee
Boge 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 Boge GmbH filed Critical Boge GmbH
Priority to DE3935159A priority Critical patent/DE3935159A1/de
Priority to IT02121490A priority patent/IT1246422B/it
Priority to FR909013004A priority patent/FR2653512B1/fr
Publication of DE3935159A1 publication Critical patent/DE3935159A1/de
Application granted granted Critical
Publication of DE3935159C2 publication Critical patent/DE3935159C2/de
Granted 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
    • F16F9/3207—Constructional features
    • F16F9/3214—Constructional features of pistons
    • 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
    • F16F9/34—Special valve constructions; Shape or construction of throttling passages
    • F16F9/3405—Throttling passages in or on piston body, e.g. slots

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
DE3935159A 1989-10-21 1989-10-21 Kolben fuer einen hydraulischen teleskop-schwingungsdaempfer Granted DE3935159A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE3935159A DE3935159A1 (de) 1989-10-21 1989-10-21 Kolben fuer einen hydraulischen teleskop-schwingungsdaempfer
IT02121490A IT1246422B (it) 1989-10-21 1990-08-03 Pistone per ammortizzatore idraulico a cannocchiale
FR909013004A FR2653512B1 (fr) 1989-10-21 1990-10-19 Piston pour un amortisseur telescopique hydraulique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3935159A DE3935159A1 (de) 1989-10-21 1989-10-21 Kolben fuer einen hydraulischen teleskop-schwingungsdaempfer

Publications (2)

Publication Number Publication Date
DE3935159A1 DE3935159A1 (de) 1991-04-25
DE3935159C2 true DE3935159C2 (US07576128-20090818-C00048.png) 1991-08-01

Family

ID=6391959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3935159A Granted DE3935159A1 (de) 1989-10-21 1989-10-21 Kolben fuer einen hydraulischen teleskop-schwingungsdaempfer

Country Status (3)

Country Link
DE (1) DE3935159A1 (US07576128-20090818-C00048.png)
FR (1) FR2653512B1 (US07576128-20090818-C00048.png)
IT (1) IT1246422B (US07576128-20090818-C00048.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445926C1 (de) * 1994-12-22 1996-04-18 Fichtel & Sachs Ag Teleskop-Schwingungsdämpfer

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2120296B1 (es) * 1993-07-13 1999-04-01 Fichtel & Sachs Ag Embolo para un amortiguador de vibraciones telescopico hidraulico.
DE4343614C2 (de) * 1993-07-13 2003-02-13 Zf Sachs Ag Kolben für einen hydraulischen Teleskopschwingungsdämpfer
DE19621639A1 (de) * 1996-05-30 1997-07-03 Fichtel & Sachs Ag Dämpfungskolben für einen Schwingungsdämpfer
SE524879C2 (sv) * 2003-04-11 2004-10-19 Stroemsholmen Ab Gasfjäder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2740500A (en) * 1951-06-29 1956-04-03 Gen Motors Corp Shock absorber
US2637414A (en) * 1951-08-31 1953-05-05 Gabriel Co Shock absorber
NL143323B (nl) * 1969-06-09 1974-09-16 Lims Sas Dubbelwerkende hydraulische schokbreker.
CA1096410A (en) * 1977-06-13 1981-02-24 Jan M. A. Wijnhoven Shock absorber piston
JPS59194143A (ja) * 1983-04-18 1984-11-02 Showa Mfg Co Ltd 油圧緩衝器のピストン構造
DE3701557A1 (de) * 1987-01-21 1988-08-04 Bilstein August Gmbh Co Kg Stossdaempferkolben, insbesondere fuer kraftfahrzeug-einrohrdaempfer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4445926C1 (de) * 1994-12-22 1996-04-18 Fichtel & Sachs Ag Teleskop-Schwingungsdämpfer

Also Published As

Publication number Publication date
IT9021214A1 (it) 1992-02-03
FR2653512B1 (fr) 1994-11-18
FR2653512A1 (fr) 1991-04-26
IT1246422B (it) 1994-11-18
IT9021214A0 (it) 1990-08-03
DE3935159A1 (de) 1991-04-25

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: FICHTEL & SACHS AG, 97424 SCHWEINFURT, DE

8327 Change in the person/name/address of the patent owner

Owner name: MANNESMANN SACHS AG, 97422 SCHWEINFURT, DE

8327 Change in the person/name/address of the patent owner

Owner name: ZF SACHS AG, 97424 SCHWEINFURT, DE

8339 Ceased/non-payment of the annual fee