JPS5565777A - Precontrolled pressure control valve having supplement function - Google Patents
Precontrolled pressure control valve having supplement functionInfo
- Publication number
- JPS5565777A JPS5565777A JP14341579A JP14341579A JPS5565777A JP S5565777 A JPS5565777 A JP S5565777A JP 14341579 A JP14341579 A JP 14341579A JP 14341579 A JP14341579 A JP 14341579A JP S5565777 A JPS5565777 A JP S5565777A
- Authority
- JP
- Japan
- Prior art keywords
- control valve
- pressure control
- supplement function
- precontrolled
- precontrolled pressure
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/047—Preventing foaming, churning or cavitation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
- F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7764—Choked or throttled pressure type
- Y10T137/7766—Choked passage through main valve head
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
- Y10T137/7769—Single acting fluid servo
- Y10T137/777—Spring biased
-
- 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
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7771—Bi-directional flow valves
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2848208A DE2848208C2 (de) | 1978-11-07 | 1978-11-07 | Vorgesteuertes Druckbegrenzungsventil mit Einspeisefunktion |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5565777A true JPS5565777A (en) | 1980-05-17 |
Family
ID=6054040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14341579A Pending JPS5565777A (en) | 1978-11-07 | 1979-11-07 | Precontrolled pressure control valve having supplement function |
Country Status (6)
Country | Link |
---|---|
US (1) | US4548231A (ja) |
JP (1) | JPS5565777A (ja) |
DE (1) | DE2848208C2 (ja) |
FR (1) | FR2441117A1 (ja) |
GB (1) | GB2035614B (ja) |
IT (1) | IT1126318B (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4597410A (en) * | 1985-08-30 | 1986-07-01 | Husco International | Cross line relief valve mechanism |
CH662870A5 (en) * | 1986-11-19 | 1987-10-30 | Frutigen Hydrotechnik Ag | Pilot-controlled pressure relief (control) valve |
US4860788A (en) * | 1987-06-29 | 1989-08-29 | Kayaba Industry Co. Ltd. | Metering valve |
US4828462A (en) * | 1987-12-10 | 1989-05-09 | Dana Corporation | Pressure detecting system for a hydraulic device |
DE3808962A1 (de) * | 1988-03-17 | 1989-09-28 | Rexroth Mannesmann Gmbh | Druckbegrenzungsventil |
JPH0750612Y2 (ja) * | 1989-03-16 | 1995-11-15 | 株式会社小松製作所 | 圧力制御弁 |
US5002087A (en) * | 1989-10-10 | 1991-03-26 | Laminar Fluid Controls, Inc. | Multipurpose valve |
DE59408022D1 (de) * | 1993-05-28 | 1999-05-06 | Luk Fahrzeug Hydraulik | Ventilanordnung |
LU88384A1 (de) * | 1993-07-16 | 1995-02-01 | Hydrolux Sarl | 2-Wege-Einbauventil als Sitzventil |
JP3537057B2 (ja) * | 1994-08-05 | 2004-06-14 | 株式会社小松製作所 | 圧力補償弁 |
DE19524900C2 (de) * | 1995-07-08 | 2000-12-28 | Mannesmann Rexroth Ag | Vorgesteuertes Druckbegrenzungsventil |
US5725015A (en) * | 1996-03-14 | 1998-03-10 | Dresser Industries, Inc. | Pilot-operated safety relief valve assembly |
DE19631625C2 (de) | 1996-08-05 | 1999-10-21 | Brueninghaus Hydromatik Gmbh | Hydraulikventil mit Druckbegrenzungs- und Einspeisefunktion |
DE19734020A1 (de) * | 1997-08-06 | 1999-02-11 | Mannesmann Rexroth Ag | Vorgesteuertes Druckbegrenzungsventil |
JP4368445B2 (ja) * | 1999-02-19 | 2009-11-18 | 株式会社コスメック | 安全弁 |
WO2002038990A2 (de) * | 2000-11-10 | 2002-05-16 | Bosch Rexroth Ag | Vorgesteuertes druck-einspeiseventil |
KR100493325B1 (ko) * | 2001-12-18 | 2005-06-07 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 유압 릴리프밸브 |
US7819130B2 (en) * | 2004-02-05 | 2010-10-26 | Bosch Rexroth Ag | Metering orifice arrangement for a hydraulic current divider and current adding device |
KR20050081058A (ko) * | 2004-02-12 | 2005-08-18 | 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 | 릴리프 밸브 |
US20070062917A1 (en) * | 2005-09-21 | 2007-03-22 | Quantronix Corporation | Laser cutting and sawing method and apparatus |
DE102006007363A1 (de) * | 2006-02-17 | 2007-08-23 | Robert Bosch Gmbh | Vorgesteuertes Druckbegrenzungsventil |
DE102015001755A1 (de) * | 2015-02-11 | 2016-08-11 | Hydac Fluidtechnik Gmbh | Druckbegrenzungsventil |
US20190032811A1 (en) * | 2017-07-25 | 2019-01-31 | Pratt & Whitney Canada Corp. | Damped relief valve using double pistons |
CN113006839B (zh) * | 2021-03-31 | 2023-01-17 | 丰隆高科液压股份有限公司 | 一种大流量安全阀 |
CN113864268B (zh) * | 2021-09-10 | 2024-01-30 | 日照海卓液压有限公司 | 整体插装式零泄漏低能位稳态关闭比例先导单向节流阀 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2737200A (en) * | 1952-04-23 | 1956-03-06 | Merit Engineering Inc | Relief valve |
GB751929A (en) * | 1953-09-29 | 1956-07-04 | Electrol Inc | Improvements in pressure relief valves |
FR1245197A (fr) * | 1959-02-28 | 1960-11-04 | Teves Kg Alfred | Soupape hydraulique d'arrêt, de limitation de pression, de régulation de débit ou de dérivation |
BE630417A (ja) * | 1961-11-17 | 1900-01-01 | ||
US3164166A (en) * | 1962-06-14 | 1965-01-05 | Hydraulic Unit Specialities Co | Pilot operated pressure and vacuum relief valve |
DE1194664B (de) * | 1963-04-18 | 1965-06-10 | Wagner Hochdruck Dampfturbinen | Steuereinrichtung fuer hydraulische Steuerungen mit einem Steuerschieber |
DE1241221B (de) * | 1964-01-07 | 1967-05-24 | E Dannert Fa Dipl Ing | Druckmittelbetaetigtes Ventil mit zweckmaessig konzentrisch ineinanderliegenden Verschlussstuecken |
US3586384A (en) * | 1969-07-11 | 1971-06-22 | Wagner Electric Corp | Control valve |
GB1535175A (en) * | 1974-11-18 | 1978-12-06 | Massey Ferguson Services Nv | Hydraulic valves |
DE2631922A1 (de) * | 1976-07-15 | 1978-01-19 | Linde Ag | Kombiniertes druckbegrenzungsventil und rueckschlagventil |
-
1978
- 1978-11-07 DE DE2848208A patent/DE2848208C2/de not_active Expired
-
1979
- 1979-11-01 US US06/090,326 patent/US4548231A/en not_active Expired - Lifetime
- 1979-11-06 IT IT27063/79A patent/IT1126318B/it active
- 1979-11-06 GB GB7938351A patent/GB2035614B/en not_active Expired
- 1979-11-07 FR FR7927496A patent/FR2441117A1/fr active Granted
- 1979-11-07 JP JP14341579A patent/JPS5565777A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2848208B1 (de) | 1980-02-14 |
IT1126318B (it) | 1986-05-21 |
FR2441117A1 (fr) | 1980-06-06 |
US4548231A (en) | 1985-10-22 |
DE2848208C2 (de) | 1986-01-02 |
FR2441117B1 (ja) | 1983-02-18 |
IT7927063A0 (it) | 1979-11-06 |
GB2035614B (en) | 1982-11-10 |
GB2035614A (en) | 1980-06-18 |
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