NL7407938A - - Google Patents

Info

Publication number
NL7407938A
NL7407938A NL7407938A NL7407938A NL7407938A NL 7407938 A NL7407938 A NL 7407938A NL 7407938 A NL7407938 A NL 7407938A NL 7407938 A NL7407938 A NL 7407938A NL 7407938 A NL7407938 A NL 7407938A
Authority
NL
Netherlands
Application number
NL7407938A
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 filed Critical
Publication of NL7407938A publication Critical patent/NL7407938A/xx

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
    • F15B9/02—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
    • 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
    • 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
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
NL7407938A 1973-06-26 1974-06-13 NL7407938A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH928673A CH556974A (de) 1973-06-26 1973-06-26 Hydraulisches betaetigungsorgan mit vorsteuerventil.

Publications (1)

Publication Number Publication Date
NL7407938A true NL7407938A (de) 1974-12-30

Family

ID=4350337

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7407938A NL7407938A (de) 1973-06-26 1974-06-13

Country Status (8)

Country Link
AT (1) AT334704B (de)
CH (1) CH556974A (de)
DE (1) DE2428287C2 (de)
FR (1) FR2235300B1 (de)
GB (1) GB1470818A (de)
IT (1) IT1015344B (de)
NL (1) NL7407938A (de)
SE (1) SE410031B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3020918A1 (de) * 1980-06-03 1981-12-10 Backe, Wolfgang, Prof.Dr.-Ing., 5100 Aachen Vorgesteuerte vorrichtung zur lastunabhaengigen volumenstromregelung
EP0083688B1 (de) * 1981-09-26 1986-08-13 b a r m a g Barmer Maschinenfabrik Aktiengesellschaft Elektro-hydraulisch vorgesteuertes Proportionaldrosselventil
DE3234988A1 (de) * 1981-09-26 1983-04-14 Barmag Barmer Maschinenfabrik Ag, 5630 Remscheid Elektro-hydraulisch vorgesteuertes drosselventil
US4794846A (en) * 1985-02-23 1989-01-03 Barmag Ag Proportional action valve with a biased spring unproportionately variable to the load pressure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1334999A (fr) * 1962-06-07 1963-08-16 Rech Etudes Prod Dispositif de servo-commande hydraulique et son application à une commande de direction d'un avion
US3339572A (en) 1965-01-25 1967-09-05 Carroll G Gordon Electro-hydraulic servo valve
US3464318A (en) 1966-06-03 1969-09-02 Moog Inc Servomechanism providing static load error washout

Also Published As

Publication number Publication date
AT334704B (de) 1976-02-10
SE7408073L (de) 1974-12-27
DE2428287C2 (de) 1986-06-12
FR2235300A1 (de) 1975-01-24
ATA499174A (de) 1976-05-15
IT1015344B (it) 1977-05-10
SE410031B (sv) 1979-09-17
CH556974A (de) 1974-12-13
FR2235300B1 (de) 1979-04-20
DE2428287A1 (de) 1975-01-16
GB1470818A (en) 1977-04-21

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed