FR2569786B1 - Distributeur hydraulique haute pression, a generateur de pression de pilotage - Google Patents
Distributeur hydraulique haute pression, a generateur de pression de pilotageInfo
- Publication number
- FR2569786B1 FR2569786B1 FR8413505A FR8413505A FR2569786B1 FR 2569786 B1 FR2569786 B1 FR 2569786B1 FR 8413505 A FR8413505 A FR 8413505A FR 8413505 A FR8413505 A FR 8413505A FR 2569786 B1 FR2569786 B1 FR 2569786B1
- Authority
- FR
- France
- Prior art keywords
- hydraulic valve
- steering
- high pressure
- generator
- pressure generator
- 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.)
- 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
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
- F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
- F15B13/0403—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves a secondary valve member sliding within the main spool, e.g. for regeneration flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
-
- 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
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0416—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor with means or adapted for load sensing
- F15B13/0417—Load sensing elements; Internal fluid connections therefor; Anti-saturation or pressure-compensation valves
- F15B13/0418—Load sensing elements sliding within a hollow main valve spool
-
- 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
- Y10T137/86493—Multi-way valve unit
- Y10T137/86574—Supply and exhaust
- Y10T137/8667—Reciprocating valve
- Y10T137/86694—Piston valve
- Y10T137/86702—With internal flow passage
-
- 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
- Y10T137/87177—With bypass
- Y10T137/87185—Controlled by supply or exhaust valve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid-Pressure Circuits (AREA)
- Multiple-Way Valves (AREA)
- Servomotors (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8413505A FR2569786B1 (fr) | 1984-08-31 | 1984-08-31 | Distributeur hydraulique haute pression, a generateur de pression de pilotage |
DE8585401579T DE3562653D1 (en) | 1984-08-31 | 1985-08-01 | High-pressure hydraulic directional control valve with a pilot pressure generator |
EP85401579A EP0176381B1 (fr) | 1984-08-31 | 1985-08-01 | Distributeur hydraulique haute pression, à générateur de pression de pilotage |
US06/763,809 US4610271A (en) | 1984-08-31 | 1985-08-08 | High pressure hydraulic distributor |
JP60190037A JPS6165902A (ja) | 1984-08-31 | 1985-08-30 | 油圧分配器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8413505A FR2569786B1 (fr) | 1984-08-31 | 1984-08-31 | Distributeur hydraulique haute pression, a generateur de pression de pilotage |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2569786A1 FR2569786A1 (fr) | 1986-03-07 |
FR2569786B1 true FR2569786B1 (fr) | 1987-03-20 |
Family
ID=9307350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8413505A Expired FR2569786B1 (fr) | 1984-08-31 | 1984-08-31 | Distributeur hydraulique haute pression, a generateur de pression de pilotage |
Country Status (5)
Country | Link |
---|---|
US (1) | US4610271A (fr) |
EP (1) | EP0176381B1 (fr) |
JP (1) | JPS6165902A (fr) |
DE (1) | DE3562653D1 (fr) |
FR (1) | FR2569786B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3807583C1 (fr) * | 1988-03-08 | 1989-03-09 | Heilmeier & Weinlein Fabrik Fuer Oel-Hydraulik Gmbh & Co Kg, 8000 Muenchen, De | |
JPH04106503U (ja) * | 1991-02-26 | 1992-09-14 | 三菱重工業株式会社 | フオークリフトのリフトシリンダ制御弁 |
FR2754000B1 (fr) * | 1996-09-30 | 1999-01-29 | Mailleux Sa | Dispositif de commande hydraulique du verin de levage d'un bras de chargeur agricole |
KR101763280B1 (ko) * | 2010-11-25 | 2017-07-31 | 볼보 컨스트럭션 이큅먼트 에이비 | 건설기계용 유량 제어밸브 |
CN102979773B (zh) * | 2012-05-24 | 2015-05-06 | 山东弘宇农机股份有限公司 | 一种拖拉机液压提升系统 |
CN105020190A (zh) * | 2014-04-30 | 2015-11-04 | 张凯 | 阀芯内直动导控机构及流体控制阀 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2941365A (en) * | 1957-07-23 | 1960-06-21 | Sundstrand Corp | Hydraulic transmission |
US3470694A (en) * | 1968-04-30 | 1969-10-07 | Weatherhead Co | Flow proportional valve for load responsive system |
US3866418A (en) * | 1973-12-03 | 1975-02-18 | Dowty Hydraulic Units Ltd | Hydraulic apparatus |
JPS56136799A (en) * | 1980-03-25 | 1981-10-26 | Nissan Motor | Oil pressure circuit for fork lift |
JPS5822299A (ja) * | 1981-07-29 | 1983-02-09 | 日産自動車株式会社 | フオ−クリフト |
-
1984
- 1984-08-31 FR FR8413505A patent/FR2569786B1/fr not_active Expired
-
1985
- 1985-08-01 EP EP85401579A patent/EP0176381B1/fr not_active Expired
- 1985-08-01 DE DE8585401579T patent/DE3562653D1/de not_active Expired
- 1985-08-08 US US06/763,809 patent/US4610271A/en not_active Expired - Fee Related
- 1985-08-30 JP JP60190037A patent/JPS6165902A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS6165902A (ja) | 1986-04-04 |
EP0176381B1 (fr) | 1988-05-11 |
DE3562653D1 (en) | 1988-06-16 |
EP0176381A1 (fr) | 1986-04-02 |
US4610271A (en) | 1986-09-09 |
FR2569786A1 (fr) | 1986-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2161586B (en) | Pressure responsive, pilot actuated, modulating valve | |
IT8521406A0 (it) | Valvola ammortizzatrice regolabile per un ammortizzatore idraulico. | |
BR8502199A (pt) | Valvula de pressao | |
DE3688754D1 (de) | Steuerventil zur verminderung des hydraulischen drucks. | |
FR2503893B1 (fr) | Vanne de regulation de pression | |
DE68903863D1 (de) | Hydraulisches druckkontrollventil. | |
IT8522636A0 (it) | Valvola di limitazione dipressione. | |
IT8223023A0 (it) | Valvola per regolare la pressione. | |
ES278973Y (es) | Mando integral acelerador-freno, para motocicletas. | |
FR2569786B1 (fr) | Distributeur hydraulique haute pression, a generateur de pression de pilotage | |
DE3675159D1 (de) | Zweikreisig ansteuerbares bremsdruck-steuerventil. | |
FR2562957B1 (fr) | Emetteur de pression hydraulique a double piston | |
NO159554C (no) | Trykkreduksjonsventil. | |
IT8522838A0 (it) | Ammortizzatore idraulico a due canne, con arresto a pressione idraulico. | |
NO177399C (no) | Brönnsikringsventil som styres av det hydrostatiske trykk | |
FR2559595B1 (fr) | Distributeur hydraulique a compensation de pression | |
DE3786445D1 (de) | Druckregelungsventil. | |
AR243270A1 (es) | Valvula reductora de presion. | |
IT8222100A0 (it) | Cilindro a pressione idropneumatico. | |
DE3770178D1 (de) | Hydraulikdruck-steuerung. | |
SE462386B (sv) | Styranordning foer tvaa, vardera via en grenledning medelst en hoegtryckspump matade, hydrauliska instaellningar | |
DE68913901D1 (de) | Hydraulisches Druckregelventil. | |
FR2575237B1 (fr) | Servomoteur a fluide sous pression | |
DE3582192D1 (de) | Hydraulikzylinder mit steuerventil. | |
DK210086A (da) | Hydraulisk styreindretning til en servomotor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |