FR2292913A1 - Servolvalve - Google Patents

Servolvalve

Info

Publication number
FR2292913A1
FR2292913A1 FR7536381A FR7536381A FR2292913A1 FR 2292913 A1 FR2292913 A1 FR 2292913A1 FR 7536381 A FR7536381 A FR 7536381A FR 7536381 A FR7536381 A FR 7536381A FR 2292913 A1 FR2292913 A1 FR 2292913A1
Authority
FR
France
Prior art keywords
piston
pressure distribution
servo valve
centre
distribution groove
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.)
Withdrawn
Application number
FR7536381A
Other languages
English (en)
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.)
Elektro Mechanik GmbH
ELMEG Elektro Mechanik GmbH
Original Assignee
Elektro Mechanik GmbH
ELMEG Elektro Mechanik GmbH
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 Elektro Mechanik GmbH, ELMEG Elektro Mechanik GmbH filed Critical Elektro Mechanik GmbH
Publication of FR2292913A1 publication Critical patent/FR2292913A1/fr
Withdrawn legal-status Critical Current

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
    • F15B13/12—Special measures for increasing the sensitivity of the 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
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
    • F16K31/363—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a piston

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Servomotors (AREA)
  • Sliding Valves (AREA)
  • Reciprocating Pumps (AREA)
FR7536381A 1974-11-30 1975-11-27 Servolvalve Withdrawn FR2292913A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742456765 DE2456765A1 (de) 1974-11-30 1974-11-30 Servoventil

Publications (1)

Publication Number Publication Date
FR2292913A1 true FR2292913A1 (fr) 1976-06-25

Family

ID=5932204

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7536381A Withdrawn FR2292913A1 (fr) 1974-11-30 1975-11-27 Servolvalve

Country Status (3)

Country Link
DE (1) DE2456765A1 (fr)
FR (1) FR2292913A1 (fr)
IT (1) IT1049812B (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418878A1 (fr) * 1978-03-04 1979-09-28 Nippon Control Ind Co Ltd Pompe electromagnetique maintenant automatiquement la pression d'evacuation constante
FR2449838A1 (fr) * 1979-02-23 1980-09-19 Bennes Marrel Distributeur hydraulique a tiroir assiste, notamment pour les engins de travaux publics
EP0105895A1 (fr) * 1982-03-24 1984-04-25 JOHNSON, Garrick Ross Dispositifs de commande de fluide
EP0399044A1 (fr) * 1987-12-02 1990-11-28 Ebara Research Co., Ltd. Servovanne hydraulique
CN107588052A (zh) * 2017-10-17 2018-01-16 上海衡拓液压控制技术有限公司 阀芯内置活塞式大流量力反馈射流管两级电液伺服阀

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4450865A (en) * 1980-07-28 1984-05-29 Bennes Marrel Hydraulic power slide valve, especially designed for public work equipment
US4649956A (en) * 1983-07-07 1987-03-17 Zeuner Enterprises, Inc. Proportional follower spool valve system
WO2014200131A1 (fr) * 2013-06-14 2014-12-18 볼보 컨스트럭션 이큅먼트 에이비 Soupape de commande de débit pour machine de construction

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1340620A (fr) * 1962-12-06 1963-10-18 Ass Elect Ind Convertisseur électro-mécanique
FR2129647A5 (fr) * 1971-03-16 1972-10-27 Liaaen Am As

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1340620A (fr) * 1962-12-06 1963-10-18 Ass Elect Ind Convertisseur électro-mécanique
FR2129647A5 (fr) * 1971-03-16 1972-10-27 Liaaen Am As

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2418878A1 (fr) * 1978-03-04 1979-09-28 Nippon Control Ind Co Ltd Pompe electromagnetique maintenant automatiquement la pression d'evacuation constante
FR2449838A1 (fr) * 1979-02-23 1980-09-19 Bennes Marrel Distributeur hydraulique a tiroir assiste, notamment pour les engins de travaux publics
EP0105895A1 (fr) * 1982-03-24 1984-04-25 JOHNSON, Garrick Ross Dispositifs de commande de fluide
EP0105895A4 (fr) * 1982-03-24 1984-08-10 Garrick Ross Johnson Dispositifs de commande de fluide.
EP0399044A1 (fr) * 1987-12-02 1990-11-28 Ebara Research Co., Ltd. Servovanne hydraulique
EP0399044A4 (en) * 1987-12-02 1991-01-16 Ebara Research Co., Ltd. Hydraulic servo valve
US5186213A (en) * 1987-12-02 1993-02-16 Ebara Research Co. Ltd. 29
CN107588052A (zh) * 2017-10-17 2018-01-16 上海衡拓液压控制技术有限公司 阀芯内置活塞式大流量力反馈射流管两级电液伺服阀
CN107588052B (zh) * 2017-10-17 2023-09-12 上海衡拓液压控制技术有限公司 阀芯内置活塞式大流量力反馈射流管两级电液伺服阀

Also Published As

Publication number Publication date
IT1049812B (it) 1981-02-10
DE2456765A1 (de) 1976-06-10

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Legal Events

Date Code Title Description
ST Notification of lapse