IT8122430A0 - Perfezionamenti alle molle idrauliche. - Google Patents
Perfezionamenti alle molle idrauliche.Info
- Publication number
- IT8122430A0 IT8122430A0 IT8122430A IT2243081A IT8122430A0 IT 8122430 A0 IT8122430 A0 IT 8122430A0 IT 8122430 A IT8122430 A IT 8122430A IT 2243081 A IT2243081 A IT 2243081A IT 8122430 A0 IT8122430 A0 IT 8122430A0
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic springs
- springs
- hydraulic
- Prior art date
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)
- Fluid-Pressure Circuits (AREA)
- Springs (AREA)
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 |
---|---|
IT8122430A0 true IT8122430A0 (it) | 1981-06-19 |
IT1136681B IT1136681B (it) | 1986-09-03 |
Family
ID=9243310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22430/81A IT1136681B (it) | 1980-06-20 | 1981-06-19 | Perfezionamenti alle molle idrauliche |
Country Status (4)
Country | Link |
---|---|
ES (1) | ES258966Y (it) |
FR (1) | FR2485136A1 (it) |
IT (1) | IT1136681B (it) |
YU (2) | YU43636B (it) |
Families Citing this family (6)
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)
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 |
-
1980
- 1980-06-20 FR FR8013705A patent/FR2485136A1/fr active Granted
-
1981
- 1981-06-13 ES ES1981258966U patent/ES258966Y/es not_active Expired
- 1981-06-19 IT IT22430/81A patent/IT1136681B/it active
- 1981-06-19 YU YU1547/81A patent/YU43636B/xx unknown
- 1981-06-19 YU YU01574/81A patent/YU157481A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES258966Y (es) | 1982-06-16 |
YU43636B (en) | 1989-10-31 |
FR2485136A1 (fr) | 1981-12-24 |
IT1136681B (it) | 1986-09-03 |
FR2485136B1 (it) | 1984-09-14 |
ES258966U (es) | 1981-12-16 |
YU157481A (en) | 1983-10-31 |
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