EP2766612B8 - Two-stage servovalve and control stage suited to such a servovalve - Google Patents

Two-stage servovalve and control stage suited to such a servovalve Download PDF

Info

Publication number
EP2766612B8
EP2766612B8 EP12769114.5A EP12769114A EP2766612B8 EP 2766612 B8 EP2766612 B8 EP 2766612B8 EP 12769114 A EP12769114 A EP 12769114A EP 2766612 B8 EP2766612 B8 EP 2766612B8
Authority
EP
European Patent Office
Prior art keywords
servovalve
stage
suited
control
control stage
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.)
Active
Application number
EP12769114.5A
Other languages
German (de)
French (fr)
Other versions
EP2766612A1 (en
EP2766612B1 (en
Inventor
Guylain Ozzello
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.)
Safran Aerosystems Hydraulics SAS
Original Assignee
Zodiac Hydraulics SAS
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 Zodiac Hydraulics SAS filed Critical Zodiac Hydraulics SAS
Publication of EP2766612A1 publication Critical patent/EP2766612A1/en
Publication of EP2766612B1 publication Critical patent/EP2766612B1/en
Application granted granted Critical
Publication of EP2766612B8 publication Critical patent/EP2766612B8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F15B13/02—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
    • 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
    • F15B9/06—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 means using a fluid jet
    • 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
    • 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
    • F15B9/06—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 means using a fluid jet
    • F15B9/07—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 means using a fluid jet with electrical control means
    • 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
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2409—With counter-balancing pressure feedback to the modulating device
EP12769114.5A 2011-10-12 2012-10-08 Two-stage servovalve and control stage suited to such a servovalve Active EP2766612B8 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1159209A FR2981414B1 (en) 2011-10-12 2011-10-12 SERVOVALVE HAS TWO FLOORS AND STEERING FLOOR SUITABLE FOR SUCH SERVOVALVE.
PCT/EP2012/069860 WO2013053668A1 (en) 2011-10-12 2012-10-08 Two-stage servovalve and control stage suited to such a servovalve

Publications (3)

Publication Number Publication Date
EP2766612A1 EP2766612A1 (en) 2014-08-20
EP2766612B1 EP2766612B1 (en) 2017-02-22
EP2766612B8 true EP2766612B8 (en) 2017-05-03

Family

ID=46980974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12769114.5A Active EP2766612B8 (en) 2011-10-12 2012-10-08 Two-stage servovalve and control stage suited to such a servovalve

Country Status (5)

Country Link
US (1) US9644645B2 (en)
EP (1) EP2766612B8 (en)
ES (1) ES2624141T3 (en)
FR (1) FR2981414B1 (en)
WO (1) WO2013053668A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201320192D0 (en) * 2013-11-15 2014-01-01 Blagdon Actuation Res Ltd Servo Valves
EP2889491B1 (en) * 2013-12-24 2018-06-06 Goodrich Actuation Systems SAS Servo valves
EP3284955B1 (en) 2016-08-18 2020-02-12 Hamilton Sundstrand Corporation Servo valve spool
EP3537581B1 (en) * 2018-03-08 2022-05-04 Hamilton Sundstrand Corporation Servovalve
EP3597935B1 (en) * 2018-07-19 2021-09-08 Hamilton Sundstrand Corporation Spool assembly for servovalve
CN114396416B (en) * 2022-01-07 2022-10-25 燕山大学 Parameter sensitivity analysis method for pressure compensation system behind valve

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401603A (en) * 1967-03-03 1968-09-17 Abex Corp Fluidic-hydraulic servoactuator
US3554211A (en) * 1968-10-22 1971-01-12 G Hydraulics Inc Ab Hydraulic valve and system
US3814131A (en) * 1972-11-07 1974-06-04 Tokyo Precision Instr Co Ltd Servo valve
US4335645A (en) * 1974-07-18 1982-06-22 Leonard Willie B Fluidic repeater
US4046059A (en) * 1974-07-18 1977-09-06 Willie Burt Leonard Fluidic repeater
US4094229A (en) * 1974-11-05 1978-06-13 Leonard Willie B Fluidic repeater
US4285358A (en) * 1980-01-14 1981-08-25 Textron Inc. Servovalve feedback wire interface configuration
FR2963393B1 (en) * 2010-07-29 2014-02-14 In Lhc SERVOVALVE PILOTAGE STAGE, WHICH CAN SERVE AS A FIRST FLOOR IN A SERVOVALVE WITH TWO FLOORS.
EP2889491B1 (en) * 2013-12-24 2018-06-06 Goodrich Actuation Systems SAS Servo valves

Also Published As

Publication number Publication date
WO2013053668A1 (en) 2013-04-18
US9644645B2 (en) 2017-05-09
EP2766612A1 (en) 2014-08-20
US20140251447A1 (en) 2014-09-11
EP2766612B1 (en) 2017-02-22
FR2981414B1 (en) 2013-10-18
FR2981414A1 (en) 2013-04-19
ES2624141T3 (en) 2017-07-13

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