NL7312327A - - Google Patents
Info
- Publication number
- NL7312327A NL7312327A NL7312327A NL7312327A NL7312327A NL 7312327 A NL7312327 A NL 7312327A NL 7312327 A NL7312327 A NL 7312327A NL 7312327 A NL7312327 A NL 7312327A NL 7312327 A NL7312327 A NL 7312327A
- Authority
- NL
- Netherlands
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
- F15B13/02—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
- F15B13/0436—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 the pilot valves being of the steerable jet type
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- 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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
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- 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
- Y10T137/86614—Electric
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US28812672A | 1972-09-11 | 1972-09-11 | |
US36882273 US3875849A (en) | 1972-09-11 | 1973-06-11 | Electro-hydraulic proportional servo actuator |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7312327A true NL7312327A (en) | 1974-03-13 |
Family
ID=26964852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7312327A NL7312327A (en) | 1972-09-11 | 1973-09-07 |
Country Status (9)
Country | Link |
---|---|
US (1) | US3875849A (en) |
JP (1) | JPS5232434B2 (en) |
CA (1) | CA972658A (en) |
DE (1) | DE2345768C2 (en) |
ES (1) | ES418624A1 (en) |
FR (1) | FR2199069B1 (en) |
GB (1) | GB1400381A (en) |
IT (1) | IT994209B (en) |
NL (1) | NL7312327A (en) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5127688A (en) * | 1974-08-30 | 1976-03-08 | Nippon Air Brake Co | Hojishona |
US4011891A (en) * | 1975-08-06 | 1977-03-15 | Applied Power Inc. | Proportional flow control valve |
DE2609434C2 (en) * | 1976-03-06 | 1985-03-07 | Robert Bosch Gmbh, 7000 Stuttgart | Device for controlling a hydraulic motor |
JPS52125986A (en) * | 1976-03-09 | 1977-10-22 | Toshiba Mach Co Ltd | Electromagnetic proportional control valve |
US4145956A (en) * | 1977-04-25 | 1979-03-27 | The United States Of America As Represented By The Secretary Of The Air Force | Pilot operated stepping valve |
US4212323A (en) * | 1977-08-18 | 1980-07-15 | Tomco, Inc. | Power assist proportional remote controller |
CH624187A5 (en) * | 1977-09-29 | 1981-07-15 | Bbc Brown Boveri & Cie | |
US4375942A (en) * | 1981-04-21 | 1983-03-08 | Dynes/Rivett Inc. | Tilting cam, rotating barrel pump |
DE3213958A1 (en) * | 1981-08-21 | 1983-03-03 | Robert Bosch Gmbh, 7000 Stuttgart | ELECTROHYDRAULIC ADJUSTMENT FOR A HYDROSTATIC MACHINE |
US4456434A (en) * | 1982-03-01 | 1984-06-26 | Vickers, Incorporated | Power transmission |
US4600364A (en) * | 1983-06-20 | 1986-07-15 | Kabushiki Kaisha Komatsu Seisakusho | Fluid operated pump displacement control system |
US4569273A (en) * | 1983-07-18 | 1986-02-11 | Dynex/Rivett Inc. | Three-way proportional valve |
US4637781A (en) * | 1984-03-30 | 1987-01-20 | Kabushiki Kaisha Komatsu Seisakusho | Torque regulating system for fluid operated pump displacement control systems |
US4585024A (en) * | 1984-08-28 | 1986-04-29 | Commercial Shearing, Inc. | Air shift conversion apparatus for manual valves |
US4733601A (en) * | 1986-09-15 | 1988-03-29 | Roland Neirynck | Combined servo control and jack unit |
IT1219353B (en) * | 1988-05-31 | 1990-05-11 | Fiatgeotech | FLUID CONTROL ACTUATOR |
DE3821700A1 (en) * | 1988-06-28 | 1990-01-04 | Deere & Co | CONTROL DEVICE FOR AT LEAST ONE VALVE |
DE19536553A1 (en) * | 1995-09-30 | 1997-04-03 | Eckehart Schulze | Electro-hydraulic control valve arrangement |
US5848612A (en) * | 1997-11-25 | 1998-12-15 | Sargent Controls & Aerospace/Dover Diversified Inc. | Servovalve employing a rotatable feedback linkage |
US6481463B1 (en) * | 1999-05-21 | 2002-11-19 | Parker-Hannifin Corporation | Control valve with mechanical feedback and method for controlling fluid flow |
US6637461B2 (en) * | 2002-03-08 | 2003-10-28 | Husco International, Inc. | Electrically operated hydraulic actuator with force feedback position sensing |
DK1872040T3 (en) * | 2005-04-07 | 2013-05-13 | Chubb Internat Holdings Ltd | Self-regulating valve for controlling gas flow in high-pressure systems |
EP1872039B1 (en) | 2005-04-07 | 2014-01-29 | Chubb International Holdings Limited | Pneumatic flow control valve for fire suppression over pressure prevention |
US8640783B2 (en) | 2011-06-14 | 2014-02-04 | Tlx Technologies, Llc | Solenoid interlock for booster actuator |
DE102014205041A1 (en) * | 2014-03-19 | 2015-09-24 | Robert Bosch Gmbh | Pressure reducing valve |
CH710237A1 (en) * | 2014-10-15 | 2016-04-15 | Liebherr Machines Bulle Sa | Self-regulating servovalve. |
JP2016156405A (en) * | 2015-02-23 | 2016-09-01 | アネスト岩田株式会社 | Pilot valve |
US9897228B2 (en) * | 2015-11-06 | 2018-02-20 | Caterpillar Inc. | Valve having opposing right-angle actuators |
US9803661B2 (en) * | 2015-11-06 | 2017-10-31 | Caterpillar Inc. | Valve having right-angle proportional and directional pilot actuators |
US9915368B2 (en) * | 2015-11-06 | 2018-03-13 | Caterpillar Inc. | Electrohydraulic valve having dual-action right-angle pilot actuator |
EP3176443B1 (en) * | 2015-12-01 | 2020-05-06 | Claverham Limited | Hydraulic valve |
EP3351745A4 (en) * | 2015-12-17 | 2018-12-05 | Mitsubishi Heavy Industries Compressor Corporation | Emergency shut-off device |
CN107504213B (en) * | 2017-09-30 | 2019-05-31 | 中国第一汽车股份有限公司 | A kind of the proportional overflow solenoid valve and its working method of sliding valve structure |
CN110332168B (en) * | 2019-08-05 | 2024-03-22 | 安徽理工大学 | Proportional flow control and high-speed switch dual-purpose valve based on two-degree-of-freedom motor |
JP2021038811A (en) * | 2019-09-04 | 2021-03-11 | ナブテスコ株式会社 | Pressure adjusting valve and construction machine |
CN115324970B (en) * | 2022-10-13 | 2022-12-20 | 保定北奥石油物探特种车辆制造有限公司 | External control method and system for zero characteristic of alternating electrohydraulic servo system |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1585529A (en) * | 1922-02-01 | 1926-05-18 | Boving Jens Orten | Hydraulic governor for engines, turbines, and the like |
US2018977A (en) * | 1933-12-23 | 1935-10-29 | Baldwin Southwark Corp | Governor |
FR886790A (en) * | 1941-10-28 | 1943-10-25 | Bmw Flugmotorenbau Gmbh | Remote control of aircraft engines by combined hydraulic and electrical devices |
US2373621A (en) * | 1943-12-13 | 1945-04-10 | Gen Electric | Prime mover governing mechanism |
FR1107141A (en) * | 1954-05-19 | 1955-12-28 | Hispano Suiza Sa | Improvements to fluid pressure servo-controls intermittently slaved to a detector device |
US2945449A (en) * | 1954-06-03 | 1960-07-19 | Bendix Aviat Corp | Hydraulic control pump |
US2941601A (en) * | 1954-12-21 | 1960-06-21 | United Aircraft Corp | Fuel control |
US2969808A (en) * | 1958-05-22 | 1961-01-31 | Cincinnati Milling Machine Co | Two-stage valve |
US3044451A (en) * | 1958-09-24 | 1962-07-17 | Turner Mfg Co Ltd | Hydraulic ram and selector mechanism |
GB1019173A (en) * | 1963-11-13 | 1966-02-02 | Audco Ltd | Improvements in and relating to the remote control of fluid valves |
US3739813A (en) * | 1970-08-13 | 1973-06-19 | Marotta Scientific Controls | Power and speed control for double-acting cylinder-and-piston motor |
CH524074A (en) * | 1970-11-09 | 1972-06-15 | Applied Power Ind Inc | Hydraulic booster |
-
1973
- 1973-06-11 US US36882273 patent/US3875849A/en not_active Expired - Lifetime
- 1973-09-06 IT IT5237773A patent/IT994209B/en active
- 1973-09-07 NL NL7312327A patent/NL7312327A/xx not_active Application Discontinuation
- 1973-09-10 GB GB4238573A patent/GB1400381A/en not_active Expired
- 1973-09-10 ES ES418624A patent/ES418624A1/en not_active Expired
- 1973-09-10 JP JP10128873A patent/JPS5232434B2/ja not_active Expired
- 1973-09-10 FR FR7332509A patent/FR2199069B1/fr not_active Expired
- 1973-09-11 CA CA180,750A patent/CA972658A/en not_active Expired
- 1973-09-11 DE DE2345768A patent/DE2345768C2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3875849A (en) | 1975-04-08 |
ES418624A1 (en) | 1976-06-01 |
JPS4964784A (en) | 1974-06-22 |
JPS5232434B2 (en) | 1977-08-22 |
DE2345768C2 (en) | 1984-06-07 |
FR2199069B1 (en) | 1979-01-05 |
FR2199069A1 (en) | 1974-04-05 |
DE2345768A1 (en) | 1974-03-21 |
IT994209B (en) | 1975-10-20 |
GB1400381A (en) | 1975-07-16 |
CA972658A (en) | 1975-08-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BV | The patent application has lapsed |