JPH07101042B2 - 油圧制御装置 - Google Patents
油圧制御装置Info
- Publication number
- JPH07101042B2 JPH07101042B2 JP61163522A JP16352286A JPH07101042B2 JP H07101042 B2 JPH07101042 B2 JP H07101042B2 JP 61163522 A JP61163522 A JP 61163522A JP 16352286 A JP16352286 A JP 16352286A JP H07101042 B2 JPH07101042 B2 JP H07101042B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- meter
- pressure
- actuator
- spool
- 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 - Lifetime
Links
- 239000012530 fluid Substances 0.000 claims description 44
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75464485A | 1985-07-12 | 1985-07-12 | |
| US754644 | 1991-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6217402A JPS6217402A (ja) | 1987-01-26 |
| JPH07101042B2 true JPH07101042B2 (ja) | 1995-11-01 |
Family
ID=25035708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61163522A Expired - Lifetime JPH07101042B2 (ja) | 1985-07-12 | 1986-07-11 | 油圧制御装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4753157A (enEXAMPLES) |
| EP (1) | EP0209019B1 (enEXAMPLES) |
| JP (1) | JPH07101042B2 (enEXAMPLES) |
| CN (1) | CN1008198B (enEXAMPLES) |
| DE (1) | DE3688346T2 (enEXAMPLES) |
| IN (1) | IN164865B (enEXAMPLES) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE458704B (sv) * | 1987-05-18 | 1989-04-24 | Atlas Copco Ab | Anordning vid ett hydrauliskt drivsystem anslutet till en lastdrivande hydraulmotor |
| DE3817218A1 (de) * | 1987-06-11 | 1988-12-22 | Mannesmann Ag | Hydraulisches steuersystem fuer einen hydraulikbagger |
| WO1989001489A1 (en) * | 1987-08-10 | 1989-02-23 | Commonwealth Scientific And Industrial Research Or | Control of angiogenesis and compositions and methods therefor |
| JPH0663521B2 (ja) * | 1988-02-29 | 1994-08-22 | 株式会社小松製作所 | 操作弁装置 |
| JP2559612B2 (ja) * | 1988-02-29 | 1996-12-04 | 株式会社小松製作所 | 操作弁装置 |
| JPH0266305A (ja) * | 1988-08-31 | 1990-03-06 | Komatsu Ltd | 作業機シリンダの圧油供給装置 |
| EP0935713B1 (de) * | 1996-11-11 | 2003-10-01 | Bosch Rexroth AG | Ventilanordnung und verfahren zur ansteuerung einer derartigen ventilanordnung |
| DE10340504B4 (de) * | 2003-09-03 | 2006-08-24 | Sauer-Danfoss Aps | Ventilanordnung zur Steuerung eines Hydraulikantriebs |
| CN101865186B (zh) * | 2010-04-13 | 2013-06-26 | 中国人民解放军总装备部军械技术研究所 | 一种液压设备在线油液加注与净化装置 |
| CN102734246B (zh) * | 2012-07-13 | 2016-01-20 | 三一汽车制造有限公司 | 液压阀及压力补偿方法、液压阀组、液压系统和工程机械 |
| CN104373406B (zh) * | 2014-12-10 | 2016-04-27 | 重庆红江机械有限责任公司 | 一种变量泵的控制阀 |
| US10428845B1 (en) | 2018-03-29 | 2019-10-01 | Sun Hydraulics, Llc | Hydraulic system with a counterbalance valve configured as a meter-out valve and controlled by an independent pilot signal |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4679492A (en) | 1986-07-21 | 1987-07-14 | Caterpillar Inc. | Compensated fluid flow control valve |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2961001A (en) * | 1956-07-25 | 1960-11-22 | Double A Products Company | Pilot controlled valve |
| US3370512A (en) * | 1966-03-25 | 1968-02-27 | Edwin C. Mcrae | Tractor hydraulic system |
| BE757640A (fr) * | 1969-10-16 | 1971-04-16 | Borg Warner | Systemes hydrauliques, notamment pour la regulation d'une pompea debit variable |
| FR2236132B1 (enEXAMPLES) * | 1973-07-03 | 1983-11-18 | Messier Hispano Sa | |
| US4201052A (en) * | 1979-03-26 | 1980-05-06 | Sperry Rand Corporation | Power transmission |
| US4407122A (en) * | 1981-05-18 | 1983-10-04 | Vickers, Incorporated | Power transmission |
| FI72579C (fi) * | 1981-11-12 | 1987-06-08 | Vickers Inc | Transmission. |
| US4475442A (en) * | 1982-02-08 | 1984-10-09 | Vickers, Incorporated | Power transmission |
-
1986
- 1986-06-06 IN IN425/CAL/86A patent/IN164865B/en unknown
- 1986-06-10 CN CN86103617.4A patent/CN1008198B/zh not_active Expired
- 1986-07-04 DE DE8686109158T patent/DE3688346T2/de not_active Expired - Fee Related
- 1986-07-04 EP EP86109158A patent/EP0209019B1/en not_active Expired - Lifetime
- 1986-07-11 JP JP61163522A patent/JPH07101042B2/ja not_active Expired - Lifetime
-
1987
- 1987-01-13 US US07/002,857 patent/US4753157A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4679492A (en) | 1986-07-21 | 1987-07-14 | Caterpillar Inc. | Compensated fluid flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0209019A2 (en) | 1987-01-21 |
| DE3688346D1 (de) | 1993-06-03 |
| DE3688346T2 (de) | 1993-08-26 |
| CN1008198B (zh) | 1990-05-30 |
| IN164865B (enEXAMPLES) | 1989-06-24 |
| JPS6217402A (ja) | 1987-01-26 |
| EP0209019A3 (en) | 1990-03-14 |
| US4753157A (en) | 1988-06-28 |
| CN86103617A (zh) | 1987-01-21 |
| EP0209019B1 (en) | 1993-04-28 |
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