FR2270489B1 - - Google Patents

Info

Publication number
FR2270489B1
FR2270489B1 FR7406235A FR7406235A FR2270489B1 FR 2270489 B1 FR2270489 B1 FR 2270489B1 FR 7406235 A FR7406235 A FR 7406235A FR 7406235 A FR7406235 A FR 7406235A FR 2270489 B1 FR2270489 B1 FR 2270489B1
Authority
FR
France
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
FR7406235A
Other versions
FR2270489A1 (en
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.)
Jervis B Webb International Co
Original Assignee
Jervis B Webb International Co
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 Jervis B Webb International Co filed Critical Jervis B Webb International Co
Priority to FR7406235A priority Critical patent/FR2270489A1/fr
Priority to DE19752507598 priority patent/DE2507598C2/de
Publication of FR2270489A1 publication Critical patent/FR2270489A1/fr
Application granted granted Critical
Publication of FR2270489B1 publication Critical patent/FR2270489B1/fr
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
    • F16F9/10—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
    • F16F9/22—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 one or more cylinders each having a single working space closed by a piston or plunger
    • F16F9/28—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 one or more cylinders each having a single working space closed by a piston or plunger with two parallel cylinders and with the two pistons or plungers connected together
    • 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
    • F16F9/0209—Telescopic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Reciprocating Pumps (AREA)
FR7406235A 1974-02-22 1974-02-22 Twin piston type pneumatic damper - pistons are connected so that one makes damping stroke, while other makes return stroke Granted FR2270489A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7406235A FR2270489A1 (en) 1974-02-22 1974-02-22 Twin piston type pneumatic damper - pistons are connected so that one makes damping stroke, while other makes return stroke
DE19752507598 DE2507598C2 (de) 1974-02-22 1975-02-21 Doppeltwirkende Dämpfungsvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7406235A FR2270489A1 (en) 1974-02-22 1974-02-22 Twin piston type pneumatic damper - pistons are connected so that one makes damping stroke, while other makes return stroke

Publications (2)

Publication Number Publication Date
FR2270489A1 FR2270489A1 (en) 1975-12-05
FR2270489B1 true FR2270489B1 (fr) 1976-10-08

Family

ID=9135362

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7406235A Granted FR2270489A1 (en) 1974-02-22 1974-02-22 Twin piston type pneumatic damper - pistons are connected so that one makes damping stroke, while other makes return stroke

Country Status (2)

Country Link
DE (1) DE2507598C2 (fr)
FR (1) FR2270489A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1782533A (en) * 1929-01-14 1930-11-25 Jr William B Hite Shock absorber
FR751539A (fr) * 1932-03-04 1933-09-05 Amortisseur de chocs pneumatique avec compression préalable, en particulier pour véhicules automobiles
GB492154A (en) * 1938-04-21 1938-09-15 Fullerton George Gordon Armstr Improvements in pistons for hydraulic shock absorbers or the like differential pressure operated damping means
DE1910324U (de) * 1962-10-03 1965-02-18 Standard Elektrik Lorenz Ag Luftbremszylinder fuer bueromaschinen od. dgl.

Also Published As

Publication number Publication date
FR2270489A1 (en) 1975-12-05
DE2507598C2 (de) 1982-05-19
DE2507598A1 (de) 1975-08-28

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse