CH515442A - Electro-hydraulic servo valve - Google Patents

Electro-hydraulic servo valve

Info

Publication number
CH515442A
CH515442A CH716170A CH716170A CH515442A CH 515442 A CH515442 A CH 515442A CH 716170 A CH716170 A CH 716170A CH 716170 A CH716170 A CH 716170A CH 515442 A CH515442 A CH 515442A
Authority
CH
Switzerland
Prior art keywords
electro
servo valve
hydraulic servo
hydraulic
valve
Prior art date
Application number
CH716170A
Other languages
French (fr)
Inventor
A King Donald
Original Assignee
Borg Warner
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 Borg Warner filed Critical Borg Warner
Publication of CH515442A publication Critical patent/CH515442A/en

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
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • F15B5/003—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities characterised by variation of the pressure in a nozzle or the like, e.g. nozzle-flapper system
    • 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
    • F15B13/0438—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 nozzle-flapper type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • 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
    • Y10T137/8659—Variable orifice-type modulator
    • Y10T137/86598—Opposed orifices; interposed modulator
    • 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
    • Y10T137/86815—Multiple inlet with single outlet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
CH716170A 1969-05-12 1970-05-12 Electro-hydraulic servo valve CH515442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82387769A 1969-05-12 1969-05-12

Publications (1)

Publication Number Publication Date
CH515442A true CH515442A (en) 1971-11-15

Family

ID=25239987

Family Applications (1)

Application Number Title Priority Date Filing Date
CH716170A CH515442A (en) 1969-05-12 1970-05-12 Electro-hydraulic servo valve

Country Status (7)

Country Link
US (1) US3556150A (en)
JP (1) JPS4825713B1 (en)
CH (1) CH515442A (en)
DE (1) DE2022830A1 (en)
FR (1) FR2047316A5 (en)
GB (1) GB1276436A (en)
NL (1) NL7006825A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56135080A (en) * 1980-03-27 1981-10-22 Oki Electric Ind Co Ltd Wire dot head
US4362182A (en) * 1981-01-14 1982-12-07 Sundstrand Corporation Nozzle force feedback for pilot stage flapper
JPS58101232A (en) * 1981-12-14 1983-06-16 Toyota Motor Corp Fuel injection pump control device of diesel engine
DE3334160C2 (en) * 1983-09-21 1986-07-24 Sauer, Otto, 6800 Mannheim magnetic valve
DE3437487A1 (en) * 1984-10-12 1986-04-17 H. Kuhnke Gmbh Kg, 2427 Malente BISTABLE SOLENOID VALVE
GB8610205D0 (en) * 1986-04-25 1986-05-29 Dowty Hydraulic Units Ltd Induction coil
FR2981133B1 (en) * 2011-10-10 2013-10-25 In Lhc METHOD OF DETECTING FAILURE OF SERVOVALVE AND SERVOVALVE APPLYING.
EP2922071B1 (en) * 2014-03-19 2019-12-18 Goodrich Actuation Systems SAS Servo valve torque motor
EP3217020B1 (en) * 2016-03-10 2020-04-29 Hamilton Sundstrand Corporation Flapper and armature/flapper assembly for use in a servovalve
EP3293401B1 (en) 2016-09-12 2019-07-24 Hamilton Sundstrand Corporation Nozzle with locking nut
EP3418585B1 (en) * 2017-06-19 2021-08-04 Hamilton Sundstrand Corporation Servo valve comprising a nozzle assembly
EP3454460B1 (en) * 2017-09-08 2021-04-21 Hamilton Sundstrand Corporation Pole piece for a torque motor
EP3460259B1 (en) * 2017-09-22 2020-09-02 Hamilton Sundstrand Corporation Method for manufacturing a torsion spring for use in a servovalve and the torsion spring itself
EP3536980B1 (en) * 2018-03-08 2022-12-28 Hamilton Sundstrand Corporation Valve body for a servovalve
EP3557103B1 (en) * 2018-04-19 2020-11-25 Hamilton Sundstrand Corporation Flapper servo valve nozzle housing
EP3562013B1 (en) * 2018-04-26 2021-11-03 Hamilton Sundstrand Corporation Servovalve
EP3587832B1 (en) 2018-06-24 2024-04-03 Hamilton Sundstrand Corporation Servo valve housing
EP3598620A1 (en) * 2018-07-20 2020-01-22 Hamilton Sundstrand Corporation Torque motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1632609A (en) * 1925-04-04 1927-06-14 North East Electric Co Electrical instrument
US2720603A (en) * 1951-12-28 1955-10-11 Gen Motors Corp Speedometer temperature compensation
US2961002A (en) * 1958-09-29 1960-11-22 Carroll G Gordon Electro-hydraulic servo valve
US3194998A (en) * 1961-12-13 1965-07-13 Gen Electric Magnetic temperature-compensating structure
US3154728A (en) * 1961-12-22 1964-10-27 Barber Colman Co High sensitivity magnetic relay
US3415283A (en) * 1964-09-08 1968-12-10 Servotronics Torque motor

Also Published As

Publication number Publication date
FR2047316A5 (en) 1971-03-12
JPS4825713B1 (en) 1973-07-31
DE2022830A1 (en) 1970-11-19
US3556150A (en) 1971-01-19
NL7006825A (en) 1970-11-16
GB1276436A (en) 1972-06-01

Similar Documents

Publication Publication Date Title
BE750442A (en) SHUT-OFF VALVE
BE748554R (en) VALVE A
CH508395A (en) Valve prosthesis
BE784387A (en) SHUT-OFF VALVE
CH515442A (en) Electro-hydraulic servo valve
AT314925B (en) Solenoid valve
CH532204A (en) Electro-hydraulic servo-mechanism
CH534829A (en) Control valve
BE750981A (en) AEROSOL VALVE
BE796291A (en) THE STOP VALVE
BR7207670D0 (en) SERVO BRAKE
IT976869B (en) HYDRAULIC VALVE
CH503400A (en) Actuator
CH503316A (en) Actuator
IT998218B (en) HYDRAULIC SERVO CONTROL
CH530563A (en) Electro-hydraulic servo valve
AT304743B (en) Hydraulic fluid
IT979634B (en) HYDRAULIC CONTROL VALVE
CH495519A (en) magnetic valve
IT976866B (en) HYDRAULIC VALVE
CH502642A (en) Control valve
CH529309A (en) Control valve
CH512684A (en) Precision valve
BE795320A (en) THE STOP VALVE
IT954331B (en) IMPROVEMENT IN ELECTRO-HYDRAULIC VALVES

Legal Events

Date Code Title Description
PL Patent ceased