CH533771A - Elektrohydraulisches Schrittmotor-Aggregat - Google Patents

Elektrohydraulisches Schrittmotor-Aggregat

Info

Publication number
CH533771A
CH533771A CH127372A CH533771DA CH533771A CH 533771 A CH533771 A CH 533771A CH 127372 A CH127372 A CH 127372A CH 533771D A CH533771D A CH 533771DA CH 533771 A CH533771 A CH 533771A
Authority
CH
Switzerland
Prior art keywords
electro
stepper motor
motor unit
hydraulic stepper
hydraulic
Prior art date
Application number
CH127372A
Other languages
English (en)
Inventor
Inaba Seiuemon
Shimizu Kanryo
Ito Kohei
Amemiya Youichi
Gamo Gotaro
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of CH533771A publication Critical patent/CH533771A/de

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
    • 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
    • F15B9/14—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 rotary servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Actuator (AREA)
CH127372A 1971-01-29 1972-01-28 Elektrohydraulisches Schrittmotor-Aggregat CH533771A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1971003337U JPS526794Y2 (de) 1971-01-29 1971-01-29

Publications (1)

Publication Number Publication Date
CH533771A true CH533771A (de) 1973-02-28

Family

ID=11554522

Family Applications (1)

Application Number Title Priority Date Filing Date
CH127372A CH533771A (de) 1971-01-29 1972-01-28 Elektrohydraulisches Schrittmotor-Aggregat

Country Status (7)

Country Link
US (1) US4031811A (de)
JP (1) JPS526794Y2 (de)
CH (1) CH533771A (de)
FR (1) FR2123528B1 (de)
GB (1) GB1374523A (de)
IT (1) IT948949B (de)
SU (1) SU745378A3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503888A (en) * 1983-10-04 1985-03-12 Mts Systems Corporation Servovalve spool control for digital rotary servovalve
JP2003148404A (ja) * 2001-11-07 2003-05-21 Teijin Seiki Co Ltd 電気油圧モータおよび油圧駆動方法
US7043907B2 (en) * 2002-07-11 2006-05-16 Nabtesco Corporation Electro-hydraulic actuation system
US6996982B2 (en) * 2003-12-09 2006-02-14 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2598180A (en) * 1952-05-27 ken yon
US2395671A (en) * 1940-09-26 1946-02-26 Douglas Aircraft Co Inc Control means for airfoils
US3006323A (en) * 1957-07-25 1961-10-31 Alco Valve Co Hydraulic servo power valve with manually operable safety provisions
US3158068A (en) * 1961-12-28 1964-11-24 Conair Hydraulic actuator and control unit
DE1550180B1 (de) * 1966-03-26 1970-01-29 Danfoss As Sicherheitsventilanordnung fuer eine hydraulische Anlage
CH511480A (de) * 1968-11-21 1971-08-15 Fujitsu Ltd Steuervorrichtung für einen elektrohydraulischen Impulsmotor

Also Published As

Publication number Publication date
US4031811A (en) 1977-06-28
IT948949B (it) 1973-06-11
GB1374523A (en) 1974-11-20
SU745378A3 (ru) 1980-06-30
FR2123528A1 (de) 1972-09-08
FR2123528B1 (de) 1974-09-13
JPS526794Y2 (de) 1977-02-12
DE2204186B2 (de) 1974-09-19
JPS473198U (de) 1972-09-02
DE2204186A1 (de) 1972-08-10

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Legal Events

Date Code Title Description
PL Patent ceased