IT1049812B - SERVO VALVE WITH HYDRAULICALLY SUPPORTED PISTON - Google Patents

SERVO VALVE WITH HYDRAULICALLY SUPPORTED PISTON

Info

Publication number
IT1049812B
IT1049812B IT2967175A IT2967175A IT1049812B IT 1049812 B IT1049812 B IT 1049812B IT 2967175 A IT2967175 A IT 2967175A IT 2967175 A IT2967175 A IT 2967175A IT 1049812 B IT1049812 B IT 1049812B
Authority
IT
Italy
Prior art keywords
servo valve
hydraulically supported
supported piston
piston
hydraulically
Prior art date
Application number
IT2967175A
Other languages
Italian (it)
Original Assignee
Elmeg
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 Elmeg filed Critical Elmeg
Application granted granted Critical
Publication of IT1049812B publication Critical patent/IT1049812B/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
    • 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)
IT2967175A 1974-11-30 1975-11-26 SERVO VALVE WITH HYDRAULICALLY SUPPORTED PISTON IT1049812B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742456765 DE2456765A1 (en) 1974-11-30 1974-11-30 SERVO VALVE

Publications (1)

Publication Number Publication Date
IT1049812B true IT1049812B (en) 1981-02-10

Family

ID=5932204

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2967175A IT1049812B (en) 1974-11-30 1975-11-26 SERVO VALVE WITH HYDRAULICALLY SUPPORTED PISTON

Country Status (3)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54117911A (en) * 1978-03-04 1979-09-13 Nippon Kontorooru Kougiyou Kk Automatic pressure governing system electromagnetic pump
FR2449838A1 (en) * 1979-02-23 1980-09-19 Bennes Marrel Hydraulic distributor for earth moving plant etc. - uses antagonistic two part pistons to displace repose sprung slide by acting on opposite ends
US4450865A (en) * 1980-07-28 1984-05-29 Bennes Marrel Hydraulic power slide valve, especially designed for public work equipment
WO1983003455A1 (en) * 1982-03-24 1983-10-13 Johnson, Garrick, Ross Fluid control devices
US4649956A (en) * 1983-07-07 1987-03-17 Zeuner Enterprises, Inc. Proportional follower spool valve system
DE3889668T2 (en) * 1987-12-02 1994-09-08 Ebara Research Co., Ltd., Fujisawa, Kanagawa HYDRAULIC SERVO VALVE.
US20160130787A1 (en) * 2013-06-14 2016-05-12 Volvo Construction Equipment Ab Flow rate control valve for construction machine
CN107588052B (en) * 2017-10-17 2023-09-12 上海衡拓液压控制技术有限公司 Two-stage electrohydraulic servo valve with built-in valve core and piston type high-flow force feedback jet pipe

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1340620A (en) * 1962-12-06 1963-10-18 Ass Elect Ind Electro-mechanical converter
NO133082C (en) * 1971-03-16 1976-03-03 Liaaen As A M

Also Published As

Publication number Publication date
FR2292913A1 (en) 1976-06-25
DE2456765A1 (en) 1976-06-10

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