SE439957B - Styrtryckmanovrerad hydraulisk hallventil - Google Patents
Styrtryckmanovrerad hydraulisk hallventilInfo
- Publication number
- SE439957B SE439957B SE7804205A SE7804205A SE439957B SE 439957 B SE439957 B SE 439957B SE 7804205 A SE7804205 A SE 7804205A SE 7804205 A SE7804205 A SE 7804205A SE 439957 B SE439957 B SE 439957B
- Authority
- SE
- Sweden
- Prior art keywords
- valve
- pressure
- diameter
- holding
- area
- Prior art date
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/003—Systems with load-holding valves
-
- 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
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
- F15B2211/50545—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using braking valves to maintain a back pressure
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Valves (AREA)
- Fluid-Pressure Circuits (AREA)
- Fluid-Driven Valves (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/789,753 US4172582A (en) | 1977-04-21 | 1977-04-21 | Reverse differential holding valve |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7804205L SE7804205L (sv) | 1978-10-22 |
SE439957B true SE439957B (sv) | 1985-07-08 |
Family
ID=25148587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7804205A SE439957B (sv) | 1977-04-21 | 1978-04-13 | Styrtryckmanovrerad hydraulisk hallventil |
Country Status (9)
Country | Link |
---|---|
US (1) | US4172582A (fr) |
JP (1) | JPS54226A (fr) |
BR (1) | BR7802454A (fr) |
CA (1) | CA1134240A (fr) |
DE (1) | DE2817378C2 (fr) |
FR (1) | FR2388186A1 (fr) |
GB (1) | GB1594783A (fr) |
IT (1) | IT1094124B (fr) |
SE (1) | SE439957B (fr) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4244275A (en) * | 1979-01-15 | 1981-01-13 | Abex Corporation | Counterbalance valve |
FR2469597A1 (fr) * | 1979-11-09 | 1981-05-22 | Bennes Marrel | Valve de freinage perfectionnee pour les circuits hydrauliques |
US4404891A (en) * | 1980-08-18 | 1983-09-20 | Paccar Inc. | Brake valve for a hydraulically powered winch |
EP0197467B1 (fr) * | 1985-04-11 | 1992-01-29 | Beringer-Hydraulik AG | Soupape de descente freinée et maintenu sans fuites. |
JPS6262002A (ja) * | 1985-09-10 | 1987-03-18 | Toyoda Autom Loom Works Ltd | 流量制御機構付き方向制御弁 |
US4639196A (en) * | 1986-02-12 | 1987-01-27 | Ingersoll-Rand Company | Fluid control valve |
GB2201227B (en) * | 1987-02-18 | 1991-05-22 | Ferranti Plc | Hydraulic valve |
US4838532A (en) * | 1987-08-10 | 1989-06-13 | Aladdin Engineering & Mfg., Inc. | Fluid operated clamping device including fluid pressure locking means |
DE3804846C2 (de) * | 1988-02-17 | 1995-04-27 | Westfalia Becorit Ind Tech | Hydraulisch entsperrbares Rückschlagventil, insbesondere für hydraulische Ausbausysteme |
US4889472A (en) * | 1988-04-25 | 1989-12-26 | Templeton, Kenly & Co. | Air speed control valve air pressure drive hydraulic fluid pump |
US5081904A (en) * | 1989-08-30 | 1992-01-21 | Aladdin Engineering & Mfg., Inc. | Locking valve and flow control valve assembly |
JP2651873B2 (ja) * | 1989-11-20 | 1997-09-10 | 株式会社ゼクセル | 変速機用油圧クラッチの切換弁 |
JP2784836B2 (ja) * | 1990-05-11 | 1998-08-06 | 株式会社ゼクセル | 電磁切換弁 |
US5400816A (en) * | 1990-10-05 | 1995-03-28 | Dana Corporation | Pilot actuated override mechanism for holding valve |
DE4207803A1 (de) * | 1991-05-14 | 1992-11-19 | Bosch Gmbh Robert | Druckhalteventil |
US5309936A (en) * | 1993-04-30 | 1994-05-10 | Dana Corporation | Poppet configuration for counterbalance valve |
DE4420682A1 (de) * | 1994-06-14 | 1996-01-04 | Rexroth Mannesmann Gmbh | Hydrauliksteuerung für eine teilende Werkzeugmaschine |
JPH08114202A (ja) * | 1994-09-30 | 1996-05-07 | Samsung Heavy Ind Co Ltd | ホールディングチェックコントロールバルブ |
US5632466A (en) * | 1995-06-30 | 1997-05-27 | Ochs; Paul | Piston actuated pressure reducing valve |
US5676169A (en) * | 1996-01-24 | 1997-10-14 | Power Team Division Of Spx Corporation | Counterbalance valve |
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 |
US5875811A (en) * | 1997-04-17 | 1999-03-02 | Dana Corporation | Counterbalance valve with improved relief pressure setting arrangement |
US5960814A (en) * | 1997-09-12 | 1999-10-05 | Ngt, Llc. | Counter balanced locking valve |
DE29716577U1 (de) | 1997-09-15 | 1997-11-13 | Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München | Lasthalteventil |
DE19922866C2 (de) * | 1999-05-19 | 2002-11-14 | Sauer Danfoss Holding As Nordb | Hydraulische Leitungskupplung |
US6477937B1 (en) | 1999-12-13 | 2002-11-12 | Aladdin Engineering & Manufacturing | Valve arrangement including release valve |
US6520342B1 (en) | 2000-02-16 | 2003-02-18 | Aladdin Engineering & Manufacturing, Inc. | Product handling apparatus |
US6712242B2 (en) | 2000-10-26 | 2004-03-30 | International Dispensing Corporation | Fluid dispensing system and dual-mode, system fluid actuated valve for use therein |
US7490625B1 (en) | 2001-04-23 | 2009-02-17 | John Leslie Johnson | Pilot valve manifold |
US6454238B1 (en) * | 2001-06-08 | 2002-09-24 | Hoerbiger Kompressortechnik Services Gmbh | Valve |
KR100696976B1 (ko) * | 2002-05-24 | 2007-03-20 | 메트소 린데만 게엠베하 | 스크랩 커터용 유압 시스템에서의 유압 제어 장치 |
CN100487291C (zh) * | 2004-07-12 | 2009-05-13 | 迪芬巴赫控制***股份有限公司 | 可去联锁的止回阀 |
US20060037652A1 (en) * | 2004-08-23 | 2006-02-23 | Ranco Incorporated Of Delaware | Reversing valve assembly with improved pilot valve mounting structure |
US7108008B2 (en) * | 2004-08-23 | 2006-09-19 | Ranco Incorporated Of Delaware | Reversing valve assembly with improved pilot valve mounting structure |
US8262058B2 (en) * | 2008-08-28 | 2012-09-11 | Kot Norbert J | Balanced pilot operated check valve |
US20100090143A1 (en) * | 2008-08-28 | 2010-04-15 | Kot Norbert J | Dual locking valve |
DE102009048484B3 (de) * | 2009-09-29 | 2011-02-24 | Voith Patent Gmbh | Ventilanordnung |
KR101326830B1 (ko) * | 2011-12-08 | 2013-11-11 | 주식회사 대철 | 드레인 밸브 장치 및 이를 이용한 에어 세퍼레이션 |
KR101326827B1 (ko) * | 2011-12-08 | 2013-11-11 | 주식회사 대철 | 드레인 밸브 장치 및 이를 이용한 에어 세퍼레이션 |
US9611871B2 (en) * | 2013-09-13 | 2017-04-04 | Norbert J. Kot | Pneumatic valve assembly and method |
GB2524975A (en) * | 2014-04-07 | 2015-10-14 | Weatherford Uk Ltd | Vent valve and method of use |
CN108413085B (zh) * | 2018-05-22 | 2020-02-07 | 重庆邮电大学 | 一种减压单向阀 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE204742C (fr) * | ||||
US1720705A (en) * | 1926-05-17 | 1929-07-16 | Farmers Nat Bank | Balanced throttle valve for steam-power plants |
DK59905C (da) * | 1939-01-07 | 1942-06-22 | Poul Robert Broen | Skylleventil, navnlig til Vandklosetter. |
US2897836A (en) * | 1956-06-13 | 1959-08-04 | Us Industries Inc | Balanced valve |
US3282552A (en) * | 1963-08-28 | 1966-11-01 | Sr Julian J Sommese | Hydraulic valve and control means therefor |
DE1293034B (de) * | 1965-12-03 | 1969-04-17 | Delmag Maschinenfabrik | Drosselrueckschlagventil fuer hydraulische Arbeitsgeraete |
US3472261A (en) * | 1966-01-05 | 1969-10-14 | Racine Hydraulics Inc | Directional control valve |
US4018136A (en) * | 1974-12-18 | 1977-04-19 | Kaetterhenry Lorell D | Hydraulic apparatus for controlling movement of a member under loading |
CH596485A5 (fr) * | 1975-08-20 | 1978-03-15 | Sulzer Ag |
-
1977
- 1977-04-21 US US05/789,753 patent/US4172582A/en not_active Expired - Lifetime
-
1978
- 1978-04-13 SE SE7804205A patent/SE439957B/sv not_active IP Right Cessation
- 1978-04-18 GB GB15185/78A patent/GB1594783A/en not_active Expired
- 1978-04-20 JP JP4597178A patent/JPS54226A/ja active Pending
- 1978-04-20 DE DE2817378A patent/DE2817378C2/de not_active Expired
- 1978-04-20 CA CA301,548A patent/CA1134240A/fr not_active Expired
- 1978-04-20 BR BR7802454A patent/BR7802454A/pt unknown
- 1978-04-21 FR FR7811883A patent/FR2388186A1/fr active Granted
- 1978-04-21 IT IT22591/78A patent/IT1094124B/it active
Also Published As
Publication number | Publication date |
---|---|
GB1594783A (en) | 1981-08-05 |
DE2817378A1 (de) | 1978-10-26 |
BR7802454A (pt) | 1978-12-05 |
JPS54226A (en) | 1979-01-05 |
FR2388186A1 (fr) | 1978-11-17 |
IT1094124B (it) | 1985-07-26 |
SE7804205L (sv) | 1978-10-22 |
IT7822591A0 (it) | 1978-04-21 |
FR2388186B1 (fr) | 1985-01-18 |
DE2817378C2 (de) | 1986-01-09 |
US4172582A (en) | 1979-10-30 |
CA1134240A (fr) | 1982-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7804205-8 Effective date: 19911108 Format of ref document f/p: F |