FR2414130A1 - Verin a double effet avec limitation de pression - Google Patents
Verin a double effet avec limitation de pressionInfo
- Publication number
- FR2414130A1 FR2414130A1 FR7800456A FR7800456A FR2414130A1 FR 2414130 A1 FR2414130 A1 FR 2414130A1 FR 7800456 A FR7800456 A FR 7800456A FR 7800456 A FR7800456 A FR 7800456A FR 2414130 A1 FR2414130 A1 FR 2414130A1
- Authority
- FR
- France
- Prior art keywords
- piston
- spring
- hydraulic jack
- pressure relief
- double acting
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1447—Pistons; Piston to piston rod assemblies
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
VERIN A DOUBLE EFFET. LE PISTON EST CONSTITUE EN DEUX PARTIES: UNE PARTIE CENTRALE RELIEE A LA TIGE DE VERIN ET UNE PARTIE ANNULAIRE, ENTOURANT LADITE PARTIE CENTRALE ET POUVANT COULISSER SUR CELLE-CI DANS UN SENS OU DANS L'AUTRE A L'ENCONTRE DE DEUX RESSORTS TARES OPPOSES, TOUT DEPLACEMENT DE LA PARTIE ANNULAIRE DEMASQUANT UNE CANALISATION PRATIQUEE DANS LA PARTIE CENTRALE, METTANT EN COMMUNICATION LES DEUX CHAMBRES DU VERIN. APPLICATION: VERIN HYDRAULIQUE A FAIBLE DEBIT.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7800456A FR2414130A1 (fr) | 1978-01-09 | 1978-01-09 | Verin a double effet avec limitation de pression |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7800456A FR2414130A1 (fr) | 1978-01-09 | 1978-01-09 | Verin a double effet avec limitation de pression |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2414130A1 true FR2414130A1 (fr) | 1979-08-03 |
Family
ID=9203227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7800456A Withdrawn FR2414130A1 (fr) | 1978-01-09 | 1978-01-09 | Verin a double effet avec limitation de pression |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2414130A1 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103549A1 (fr) * | 1982-09-10 | 1984-03-21 | RIVA CALZONI S.p.A. | Protecteur de surcharge pour vérin hydraulique |
CN102493969A (zh) * | 2011-12-19 | 2012-06-13 | 宁波千普机械制造有限公司 | 双活塞杆液压缸 |
CN102730517A (zh) * | 2011-04-02 | 2012-10-17 | 鲁继锋 | 直连缓冲液压调绳器 |
WO2014174262A1 (fr) * | 2013-04-22 | 2014-10-30 | Equalizer International Limited | Mécanisme de sécurité |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1240457A (fr) * | 1959-11-12 | 1960-12-14 | Vérin double effet à commande centrale par distributeur incorpore | |
US3390616A (en) * | 1965-10-19 | 1968-07-02 | William L. Hammer | Fluid pressure cylinders having load responsive piston valves |
DE7012963U (de) * | 1970-04-09 | 1970-07-30 | J P Sauer & Sohn Maschb Gmbh | Vorrichtung zum vermeiden von unzulaessigen druckdifferenzen in druckmittelzylindern. |
-
1978
- 1978-01-09 FR FR7800456A patent/FR2414130A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1240457A (fr) * | 1959-11-12 | 1960-12-14 | Vérin double effet à commande centrale par distributeur incorpore | |
US3390616A (en) * | 1965-10-19 | 1968-07-02 | William L. Hammer | Fluid pressure cylinders having load responsive piston valves |
DE7012963U (de) * | 1970-04-09 | 1970-07-30 | J P Sauer & Sohn Maschb Gmbh | Vorrichtung zum vermeiden von unzulaessigen druckdifferenzen in druckmittelzylindern. |
Non-Patent Citations (1)
Title |
---|
EXBK/62 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0103549A1 (fr) * | 1982-09-10 | 1984-03-21 | RIVA CALZONI S.p.A. | Protecteur de surcharge pour vérin hydraulique |
CN102730517A (zh) * | 2011-04-02 | 2012-10-17 | 鲁继锋 | 直连缓冲液压调绳器 |
CN102493969A (zh) * | 2011-12-19 | 2012-06-13 | 宁波千普机械制造有限公司 | 双活塞杆液压缸 |
CN102493969B (zh) * | 2011-12-19 | 2014-10-08 | 宁波千普机械制造有限公司 | 双活塞杆液压缸 |
WO2014174262A1 (fr) * | 2013-04-22 | 2014-10-30 | Equalizer International Limited | Mécanisme de sécurité |
GB2513317B (en) * | 2013-04-22 | 2020-11-04 | Actuant Operations Uk Ltd | Failsafe mechanism |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |