FR2362290B1 - - Google Patents
Info
- Publication number
- FR2362290B1 FR2362290B1 FR7718073A FR7718073A FR2362290B1 FR 2362290 B1 FR2362290 B1 FR 2362290B1 FR 7718073 A FR7718073 A FR 7718073A FR 7718073 A FR7718073 A FR 7718073A FR 2362290 B1 FR2362290 B1 FR 2362290B1
- 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
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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/01—Locking-valves or other detent i.e. load-holding devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87169—Supply and exhaust
- Y10T137/87193—Pilot-actuated
- Y10T137/87201—Common to plural valve motor chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/877—With flow control means for branched passages
- Y10T137/87829—Biased valve
- Y10T137/87837—Spring bias
- Y10T137/87861—Spring coaxial with valve
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/714,448 US4102250A (en) | 1976-08-16 | 1976-08-16 | Load check and bypass valve |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2362290A1 FR2362290A1 (fr) | 1978-03-17 |
FR2362290B1 true FR2362290B1 (fr) | 1983-04-01 |
Family
ID=24870086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7718073A Granted FR2362290A1 (fr) | 1976-08-16 | 1977-06-13 | Soupape de retenue de charge et de derivation |
Country Status (5)
Country | Link |
---|---|
US (1) | US4102250A (fr) |
JP (1) | JPS5322964A (fr) |
BE (1) | BE856896A (fr) |
CA (1) | CA1037348A (fr) |
FR (1) | FR2362290A1 (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53132857U (fr) * | 1978-02-23 | 1978-10-21 | ||
DE2810375A1 (de) * | 1978-03-10 | 1979-09-20 | Bosch Gmbh Robert | Steuereinrichtung fuer eine hydraulische kraftuebertragung |
JPS5677598A (en) * | 1979-11-30 | 1981-06-25 | Nissan Motor Co Ltd | Variable-position diffuser for centrifugal compressor |
WO1981002768A1 (fr) * | 1980-03-24 | 1981-10-01 | Caterpillar Tractor Co | Circuit de fluide avec soupape by-pass et de retenue de charge de fuite zero |
US4355565A (en) * | 1980-03-24 | 1982-10-26 | Caterpillar Tractor Co. | Fluid circuit with zero leak load check and by-pass valve |
US4417502A (en) * | 1980-11-17 | 1983-11-29 | Dresser Industries, Inc. | Load supporting hydraulic circuit with emergency automatic load restraint |
US4610193A (en) * | 1983-10-26 | 1986-09-09 | Deere & Company | Load control system |
JPH0266305A (ja) * | 1988-08-31 | 1990-03-06 | Komatsu Ltd | 作業機シリンダの圧油供給装置 |
WO1998006949A1 (fr) * | 1996-08-08 | 1998-02-19 | Hitachi Construction Machinery Co., Ltd. | Dispositif de commande hydraulique |
EP0935716B1 (fr) * | 1996-11-11 | 2002-01-23 | Mannesmann Rexroth AG | Systeme de valve anti-retour |
PL333365A1 (en) | 1996-11-11 | 1999-12-06 | Mannesmann Rexroth Ag | Valving system and method of controlling operation thereof |
DE29716577U1 (de) | 1997-09-15 | 1997-11-13 | Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München | Lasthalteventil |
DE60019500T2 (de) | 1999-07-23 | 2006-02-23 | Kabushiki Kaisha Toyota Jidoshokki, Kariya | Steuervorrichtung für Zylinder |
US8925439B2 (en) | 2011-01-13 | 2015-01-06 | Husco International, Inc. | Valve control valve circuit for operating a single acting hydraulic cylinder |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2922401A (en) * | 1957-05-03 | 1960-01-26 | Tatra Np | Hydraulic lifting device for tipping vehicles |
US3054384A (en) * | 1961-01-12 | 1962-09-18 | Cessna Aircraft Co | Piston velocity governor |
US3411295A (en) * | 1967-05-31 | 1968-11-19 | Gen Signal Corp | Hydraulic supply systems |
US3800670A (en) * | 1969-10-21 | 1974-04-02 | Caterpillar Tractor Co | High pressure implement hydraulic circuit |
US3612088A (en) * | 1969-11-03 | 1971-10-12 | Allis Chalmers Mfg Co | Throttling draft control valve |
US3977301A (en) * | 1971-12-23 | 1976-08-31 | Caterpillar Tractor Co. | Low-effort proportional control valve |
FR2188770A5 (fr) * | 1972-06-13 | 1974-01-18 | Artois Hydraulique | |
DE2232857C2 (de) * | 1972-07-05 | 1983-11-24 | Robert Bosch Gmbh, 7000 Stuttgart | Steuereinrichtung für ein hydraulisch angetriebenes Arbeitsgerät |
US3777899A (en) * | 1972-08-14 | 1973-12-11 | Harrischfeger Corp | Bounce-preventing control for hydraulic cylinder |
SE371259B (fr) * | 1972-10-05 | 1974-11-11 | Tico Ab | |
JPS5226311B2 (fr) * | 1973-08-24 | 1977-07-13 | ||
US3998134A (en) * | 1974-11-08 | 1976-12-21 | Tadeusz Budzich | Load responsive fluid control valves |
US4000683A (en) * | 1975-05-27 | 1977-01-04 | Caterpillar Tractor Co. | Hydraulic load lifting system |
-
1976
- 1976-08-16 US US05/714,448 patent/US4102250A/en not_active Expired - Lifetime
-
1977
- 1977-03-16 CA CA274,065A patent/CA1037348A/fr not_active Expired
- 1977-05-18 JP JP5653477A patent/JPS5322964A/ja active Pending
- 1977-06-13 FR FR7718073A patent/FR2362290A1/fr active Granted
- 1977-07-18 BE BE179419A patent/BE856896A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA1037348A (fr) | 1978-08-29 |
JPS5322964A (en) | 1978-03-02 |
US4102250A (en) | 1978-07-25 |
FR2362290A1 (fr) | 1978-03-17 |
BE856896A (fr) | 1978-01-18 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |