FR2485136B1 - - Google Patents

Info

Publication number
FR2485136B1
FR2485136B1 FR8013705A FR8013705A FR2485136B1 FR 2485136 B1 FR2485136 B1 FR 2485136B1 FR 8013705 A FR8013705 A FR 8013705A FR 8013705 A FR8013705 A FR 8013705A FR 2485136 B1 FR2485136 B1 FR 2485136B1
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
FR8013705A
Other languages
French (fr)
Other versions
FR2485136A1 (fr
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.)
Leduc & Fils Rene
Original Assignee
Leduc & Fils Rene
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 Leduc & Fils Rene filed Critical Leduc & Fils Rene
Priority to FR8013705A priority Critical patent/FR2485136A1/fr
Priority to ES1981258966U priority patent/ES258966Y/es
Priority to IT22430/81A priority patent/IT1136681B/it
Priority to YU01574/81A priority patent/YU157481A/xx
Priority to YU1547/81A priority patent/YU43636B/xx
Publication of FR2485136A1 publication Critical patent/FR2485136A1/fr
Application granted granted Critical
Publication of FR2485136B1 publication Critical patent/FR2485136B1/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
    • F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
    • F16F9/08—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall
    • F16F9/096—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid where gas is in a chamber with a flexible wall comprising a hydropneumatic accumulator of the membrane type provided on the upper or the lower end of a damper or separately from or laterally on the damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D7/00—Hopper cars
    • B61D7/14—Adaptations of hopper elements to railways
    • B61D7/16—Closure elements for discharge openings
    • B61D7/24—Opening or closing means
    • B61D7/28—Opening or closing means hydraulic or pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Springs (AREA)
  • Fluid-Pressure Circuits (AREA)
FR8013705A 1980-06-20 1980-06-20 Perfectionnements aux ressorts hydrauliques Granted FR2485136A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8013705A FR2485136A1 (fr) 1980-06-20 1980-06-20 Perfectionnements aux ressorts hydrauliques
ES1981258966U ES258966Y (es) 1980-06-20 1981-06-13 Disposicion perfeccionada en resortes hidraulicos
IT22430/81A IT1136681B (it) 1980-06-20 1981-06-19 Perfezionamenti alle molle idrauliche
YU01574/81A YU157481A (en) 1980-06-20 1981-06-19 Improvement in hydraulic shock absorbers
YU1547/81A YU43636B (en) 1980-06-20 1981-06-19 Improved hydraulic amortizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013705A FR2485136A1 (fr) 1980-06-20 1980-06-20 Perfectionnements aux ressorts hydrauliques

Publications (2)

Publication Number Publication Date
FR2485136A1 FR2485136A1 (fr) 1981-12-24
FR2485136B1 true FR2485136B1 (ko) 1984-09-14

Family

ID=9243310

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8013705A Granted FR2485136A1 (fr) 1980-06-20 1980-06-20 Perfectionnements aux ressorts hydrauliques

Country Status (4)

Country Link
ES (1) ES258966Y (ko)
FR (1) FR2485136A1 (ko)
IT (1) IT1136681B (ko)
YU (2) YU157481A (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2610584B1 (fr) * 1987-02-09 1989-05-19 Leduc Rene Hydro Sa Dispositif hydraulique de commande d'ouverture et de fermeture de trappes, de tremies, notamment pour wagons de chemin de fer
EP0302981A1 (fr) * 1987-08-14 1989-02-15 Société Lorraine de Matériel Ferroviaire LORMAFER Dispositif de commande automatique d'ouverture et de fermeture de trappes latérales de vidange de wagons trémies
US5116188A (en) * 1987-09-16 1992-05-26 Kabushiki Kaisha Kobe Seiko Sho Vibration suppressing device for wheeled construction equipment
DE68918930T2 (de) * 1989-02-06 1995-03-23 Kobe Steel Ltd Vorrichtung zur Unterdrückung von Vibrationen für Baumaschinen auf Rädern.
FR2777250A1 (fr) * 1998-04-10 1999-10-15 Capcol Sa Perfectionnements aux dispositifs de commande de trappes de wagons servant au transport de matieres en vrac
CN111173879A (zh) * 2020-02-19 2020-05-19 浙江雷宸智能科技有限公司 一种阻力调节装置及阻尼器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2038032A (en) * 1933-10-16 1936-04-21 Charles J Ranney Shock absorber
GB682110A (en) * 1950-05-26 1952-11-05 Levitation Ltd Improvements in or relating to telescopic suspension devices for vehicles
DE1109206B (de) * 1958-10-17 1961-06-22 Bosch Gmbh Robert Stossdaempfer, insbesondere Puffer fuer Eisenbahn-Fahrzeuge
GB1007518A (en) * 1962-04-12 1965-10-13 Rene Leduc Pneumatic springs
DE1229789B (de) * 1962-09-13 1966-12-01 Boge Gmbh Drosselventil fuer hydraulische Schwingungsdaempfer mit veraenderlichem Verlauf der Daempfungskraft, insbesondere fuer Kraftfahrzeuge
FR2236118A2 (en) * 1964-11-04 1975-01-31 D E M S A Telescopic hydraulic shock absorber - has rapid deformation but slower restoration to normal position
FR1526050A (fr) * 1967-03-17 1968-05-24 Anciens Etablissements Chabas Dispositif amortisseur
GB1447229A (en) * 1972-10-26 1976-08-25 Itt Shock absorber
US4153237A (en) * 1976-11-01 1979-05-08 Supalla Steven A Hydrapneumatic suspension unit and valving structure

Also Published As

Publication number Publication date
FR2485136A1 (fr) 1981-12-24
ES258966Y (es) 1982-06-16
YU157481A (en) 1983-10-31
ES258966U (es) 1981-12-16
IT8122430A0 (it) 1981-06-19
IT1136681B (it) 1986-09-03
YU43636B (en) 1989-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse