CA1093426A - Servo valve - Google Patents

Servo valve

Info

Publication number
CA1093426A
CA1093426A CA307,244A CA307244A CA1093426A CA 1093426 A CA1093426 A CA 1093426A CA 307244 A CA307244 A CA 307244A CA 1093426 A CA1093426 A CA 1093426A
Authority
CA
Canada
Prior art keywords
spool
source
pressure
conduit means
valve
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
Application number
CA307,244A
Other languages
English (en)
French (fr)
Inventor
Kishor J. Patel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dynex Rivett Inc
Original Assignee
Dynex Rivett Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dynex Rivett Inc filed Critical Dynex Rivett Inc
Application granted granted Critical
Publication of CA1093426A publication Critical patent/CA1093426A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043Fluid 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
    • F15B13/0438Fluid 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 nozzle-flapper type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
CA307,244A 1977-07-13 1978-07-12 Servo valve Expired CA1093426A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81546777A 1977-07-12 1977-07-12
US815,467 1977-07-13

Publications (1)

Publication Number Publication Date
CA1093426A true CA1093426A (en) 1981-01-13

Family

ID=25217875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA307,244A Expired CA1093426A (en) 1977-07-13 1978-07-12 Servo valve

Country Status (4)

Country Link
EP (1) EP0000445B1 (enrdf_load_stackoverflow)
JP (2) JPS5420275A (enrdf_load_stackoverflow)
CA (1) CA1093426A (enrdf_load_stackoverflow)
DE (1) DE2862092D1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3216692A1 (de) * 1982-05-05 1983-11-10 Kienzle Apparate Gmbh, 7730 Villingen-Schwenningen Elektropneumatisches servoventil
JPS60118075U (ja) * 1984-01-18 1985-08-09 株式会社トキメック 比例ソレノイド形スプ−ル弁
WO2020002472A1 (en) 2018-06-28 2020-01-02 Basf Se Use of alkynylthiophenes as nitrification inhibitors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972999A (en) * 1955-11-01 1961-02-28 Sanders Associates Inc Two-stage, differential, hydraulic servo valve
US2973746A (en) * 1957-06-03 1961-03-07 Edward C Jupa Hydraulic servo valve
US2977985A (en) * 1958-12-29 1961-04-04 Pegasus Lab Inc Electro-hydraulic servo control valve
US3012579A (en) * 1959-06-08 1961-12-12 Pneumo Dynamics Corp Electrohydraulic servo valve
GB1268767A (en) * 1968-06-26 1972-03-29 Dowty Technical Dev Ltd Electro-hydraulic and electro-pneumatic servo valves
JPS5421912B2 (enrdf_load_stackoverflow) * 1971-12-02 1979-08-02
US3799202A (en) * 1972-11-29 1974-03-26 Sperry Rand Corp Power transmission

Also Published As

Publication number Publication date
DE2862092D1 (en) 1982-12-30
JPS61116205U (enrdf_load_stackoverflow) 1986-07-22
EP0000445A1 (en) 1979-01-24
EP0000445B1 (en) 1982-11-24
JPS5420275A (en) 1979-02-15

Similar Documents

Publication Publication Date Title
US4313468A (en) Servo valve
US4643225A (en) Pressure regulating valve
US4456434A (en) Power transmission
US4543875A (en) Electro-hydraulic directional control valve
US4227443A (en) Fail-fixed servovalve
US4478245A (en) Electrically controllable valve assembly
US4569273A (en) Three-way proportional valve
EP0066150B1 (en) Variable gain servo controlled directional valve
US4598626A (en) Feedback controlled hydraulic valve system
US5735122A (en) Actuator with failfixed zero drift
EP0224478B1 (en) Load sensing circuit of load responsive direction control valve
US4589437A (en) Reel speed valve assembly
US5170692A (en) Hydraulic control system
US5156189A (en) High flow control valve
EP0005151B1 (en) Hydraulic system including a margin valve
US3028880A (en) Fluid flow control valve
CA1093426A (en) Servo valve
US3339572A (en) Electro-hydraulic servo valve
US3054388A (en) Servo valve with flow rate feedback
US3587617A (en) Fluid control apparatus
US4085920A (en) Pilot control valve with servo means
JPS6118046B2 (enrdf_load_stackoverflow)
US4246934A (en) Remotely controlled load responsive valves
EP0134744B1 (en) Proportional follower spool valve system
EP0080135A1 (en) Hydraulic control system for a hydraulic actuator

Legal Events

Date Code Title Description
MKEX Expiry