JPS54140067A - Check valveecombined flow control valve for hydraulic system - Google Patents
Check valveecombined flow control valve for hydraulic systemInfo
- Publication number
- JPS54140067A JPS54140067A JP4370379A JP4370379A JPS54140067A JP S54140067 A JPS54140067 A JP S54140067A JP 4370379 A JP4370379 A JP 4370379A JP 4370379 A JP4370379 A JP 4370379A JP S54140067 A JPS54140067 A JP S54140067A
- Authority
- JP
- Japan
- Prior art keywords
- valveecombined
- check
- control valve
- flow control
- hydraulic system
- 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.)
- Pending
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
- Y10T137/87233—Biased exhaust valve
- Y10T137/87241—Biased closed
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 (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/897,895 US4204459A (en) | 1978-04-19 | 1978-04-19 | Combination check and flow control valve for hydraulic systems |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54140067A true JPS54140067A (en) | 1979-10-30 |
Family
ID=25408615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4370379A Pending JPS54140067A (en) | 1978-04-19 | 1979-04-12 | Check valveecombined flow control valve for hydraulic system |
Country Status (3)
Country | Link |
---|---|
US (1) | US4204459A (ja) |
JP (1) | JPS54140067A (ja) |
CA (1) | CA1103127A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01158803U (ja) * | 1988-04-22 | 1989-11-02 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4355565A (en) * | 1980-03-24 | 1982-10-26 | Caterpillar Tractor Co. | Fluid circuit with zero leak load check and by-pass valve |
WO1981002768A1 (en) * | 1980-03-24 | 1981-10-01 | Caterpillar Tractor Co | Fluid circuit with zero leak load check and by-pass valve |
EP0064497A1 (en) * | 1980-11-10 | 1982-11-17 | Towmotor Corporation | Load responsive flow control valve |
NL8320009A (nl) * | 1982-01-16 | 1983-12-01 | Ebara Corp | Drukstuurklep, en olietoevoerinrichting, waarin de klep wordt gebruikt. |
USRE33201E (en) * | 1983-04-25 | 1990-04-17 | Hydraulic safety barrier traffic-way controller | |
JPH01133503U (ja) * | 1988-03-03 | 1989-09-12 | ||
JP3778634B2 (ja) * | 1996-11-22 | 2006-05-24 | Smc株式会社 | パイロットチェック弁付スピードコントローラ |
US6186044B1 (en) * | 1999-03-08 | 2001-02-13 | Caterpillar Inc. | Fluid control system with float capability |
US6955115B1 (en) * | 1999-03-17 | 2005-10-18 | Caterpillar Inc. | Hydraulic circuit having pressure equalization during regeneration |
US6161467A (en) * | 1999-03-24 | 2000-12-19 | Caterpillar Inc. | Fluid control system with regeneration |
JP3727828B2 (ja) * | 2000-05-19 | 2005-12-21 | 日立建機株式会社 | 配管破断制御弁装置 |
US6761027B2 (en) | 2002-06-27 | 2004-07-13 | Caterpillar Inc | Pressure-compensated hydraulic circuit with regeneration |
US6996982B2 (en) * | 2003-12-09 | 2006-02-14 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
KR100631067B1 (ko) * | 2004-05-04 | 2006-10-02 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 홀딩밸브의 응답성이 개선된 유압제어밸브 |
JP4559825B2 (ja) * | 2004-11-08 | 2010-10-13 | 株式会社豊田自動織機 | 油圧制御装置 |
CN112747139B (zh) * | 2021-01-08 | 2024-06-04 | 涌镇液压机械(上海)有限公司 | 防油缸爬行的换向阀 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213874A (en) * | 1961-06-02 | 1965-10-26 | Parker Hannifin Corp | Pressure responsive flow control valve for directional control valve |
US3464320A (en) * | 1967-05-16 | 1969-09-02 | Pacific Press & Shear Corp | Decompression system for press brakes or the like |
US3570519A (en) * | 1968-11-06 | 1971-03-16 | Caterpillar Tractor Co | Combination accumulator charging, flow control and relief valve assembly |
US3658090A (en) * | 1970-04-27 | 1972-04-25 | Marotta Scientific Controls | Hydraulic lock valve with flow control |
CA943040A (en) * | 1970-10-06 | 1974-03-05 | Ronald B. Walters | Hydraulic actuator controls |
US3795255A (en) * | 1972-01-10 | 1974-03-05 | Parker Hannifin Corp | Load control and holding valve |
US4006667A (en) * | 1972-04-17 | 1977-02-08 | Caterpillar Tractor Co. | Hydraulic control system for load supporting hydraulic motors |
US3788401A (en) * | 1972-07-17 | 1974-01-29 | Caterpillar Tractor Co | Hydraulic circuit with valve to provide semi-float control of a dozer blade |
US3972267A (en) * | 1975-03-05 | 1976-08-03 | Caterpillar Tractor Co. | Overruning load control for hydraulic jacks |
US4088151A (en) * | 1976-05-26 | 1978-05-09 | Borg-Warner Corporation | Cylinder locking apparatus |
-
1978
- 1978-04-19 US US05/897,895 patent/US4204459A/en not_active Expired - Lifetime
-
1979
- 1979-02-13 CA CA321,362A patent/CA1103127A/en not_active Expired
- 1979-04-12 JP JP4370379A patent/JPS54140067A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01158803U (ja) * | 1988-04-22 | 1989-11-02 |
Also Published As
Publication number | Publication date |
---|---|
US4204459A (en) | 1980-05-27 |
CA1103127A (en) | 1981-06-16 |
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