JPS5341316B2 - - Google Patents
Info
- Publication number
- JPS5341316B2 JPS5341316B2 JP3748473A JP3748473A JPS5341316B2 JP S5341316 B2 JPS5341316 B2 JP S5341316B2 JP 3748473 A JP3748473 A JP 3748473A JP 3748473 A JP3748473 A JP 3748473A JP S5341316 B2 JPS5341316 B2 JP S5341316B2
- Authority
- JP
- Japan
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2225—Control of flow rate; Load sensing arrangements using pressure-compensating valves
- E02F9/2228—Control of flow rate; Load sensing arrangements using pressure-compensating valves including an electronic controller
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2282—Systems using center bypass type changeover valves
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2285—Pilot-operated 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
-
- 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
- F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
- F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
-
- 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
- Y10T137/86582—Pilot-actuated
- Y10T137/8659—Variable orifice-type modulator
- Y10T137/86598—Opposed orifices; interposed modulator
-
- 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
- Y10T137/8671—With annular passage [e.g., spool]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Servomotors (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24062872A | 1972-04-03 | 1972-04-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS497674A JPS497674A (cg-RX-API-DMAC10.html) | 1974-01-23 |
| JPS5341316B2 true JPS5341316B2 (cg-RX-API-DMAC10.html) | 1978-11-01 |
Family
ID=22907287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3748473A Expired JPS5341316B2 (cg-RX-API-DMAC10.html) | 1972-04-03 | 1973-04-03 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3742980A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS5341316B2 (cg-RX-API-DMAC10.html) |
| AU (1) | AU471656B2 (cg-RX-API-DMAC10.html) |
| CH (1) | CH571166A5 (cg-RX-API-DMAC10.html) |
| DE (1) | DE2307785A1 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2178857B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1406174A (cg-RX-API-DMAC10.html) |
| SE (1) | SE392325B (cg-RX-API-DMAC10.html) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893484A (en) * | 1973-07-27 | 1975-07-08 | Sanders Associates Inc | Cylinder and piston valve |
| GB1484005A (en) * | 1974-08-16 | 1977-08-24 | Lucas Industries Ltd | Land vehicle wheel suspension arrangement |
| DE2514624C3 (de) * | 1975-04-03 | 1986-10-23 | Danfoss A/S, Nordborg | Steuereinrichtung für mindestens einen hydraulisch betriebenen doppeltwirkenden Verbraucher |
| US4126293A (en) * | 1976-07-16 | 1978-11-21 | Control Concepts, Inc. | Feathering valve assembly |
| DE3122436A1 (de) * | 1981-06-05 | 1983-01-05 | Mannesmann Rexroth GmbH, 8770 Lohr | Proportional arbeitendes ventil |
| GB2141262A (en) * | 1983-06-08 | 1984-12-12 | Dowty Hydraulic Units Ltd | Servo valve |
| EP0150308A3 (en) * | 1984-01-30 | 1986-10-01 | Trw Inc. | Apparatus for controlling fluid flow |
| US4591129A (en) * | 1985-05-02 | 1986-05-27 | Deere & Company | Valve seal breakaway device |
| WO1999010666A1 (de) * | 1997-08-26 | 1999-03-04 | Luk Getriebe-Systeme Gmbh | Druckmittelanlage |
| FR2818331B1 (fr) * | 2000-12-19 | 2003-03-14 | Snecma Moteurs | Servo-valve a memoire de position |
| JP4276491B2 (ja) * | 2003-08-04 | 2009-06-10 | 日立建機株式会社 | 方向切換弁ブロック |
| DE102006040234A1 (de) * | 2006-08-28 | 2008-03-06 | Robert Bosch Gmbh | LS-Steueranordnung |
| US8444400B2 (en) * | 2009-02-13 | 2013-05-21 | Caterpillar Inc. | Hydraulic cylinder having piston-mounted bypass valve |
| CN103352889B (zh) * | 2013-07-08 | 2015-07-01 | 太原理工大学 | 一种扒渣机液压系统冲击的缓冲方法 |
| GB201313804D0 (en) * | 2013-08-01 | 2013-09-18 | Moog Controls Ltd | Improvements in hydraulic servovalves |
| FR3083271B1 (fr) * | 2018-06-27 | 2020-09-04 | Safran Landing Systems | Procede de commande d'un distributeur a tiroir a trois positions |
| US11592072B2 (en) * | 2020-06-05 | 2023-02-28 | The Boeing Company | Dynamic load damping apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3339584A (en) * | 1964-06-25 | 1967-09-05 | Borg Warner | Directional control valve |
-
1972
- 1972-04-03 US US00240628A patent/US3742980A/en not_active Expired - Lifetime
-
1973
- 1973-01-30 FR FR7303206A patent/FR2178857B1/fr not_active Expired
- 1973-02-12 AU AU52084/73A patent/AU471656B2/en not_active Expired
- 1973-02-16 DE DE19732307785 patent/DE2307785A1/de not_active Withdrawn
- 1973-03-16 GB GB1282973A patent/GB1406174A/en not_active Expired
- 1973-03-28 CH CH450073A patent/CH571166A5/xx not_active IP Right Cessation
- 1973-04-02 SE SE7304615A patent/SE392325B/xx unknown
- 1973-04-03 JP JP3748473A patent/JPS5341316B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3742980A (en) | 1973-07-03 |
| FR2178857B1 (cg-RX-API-DMAC10.html) | 1976-09-10 |
| FR2178857A1 (cg-RX-API-DMAC10.html) | 1973-11-16 |
| AU471656B2 (en) | 1976-04-29 |
| CH571166A5 (cg-RX-API-DMAC10.html) | 1975-12-31 |
| AU5208473A (en) | 1974-08-15 |
| GB1406174A (en) | 1975-09-17 |
| JPS497674A (cg-RX-API-DMAC10.html) | 1974-01-23 |
| DE2307785A1 (de) | 1973-10-18 |
| SE392325B (sv) | 1977-03-21 |