CA1228280A - Pilot valves for two-stage hydraulic devices - Google Patents

Pilot valves for two-stage hydraulic devices

Info

Publication number
CA1228280A
CA1228280A CA000455261A CA455261A CA1228280A CA 1228280 A CA1228280 A CA 1228280A CA 000455261 A CA000455261 A CA 000455261A CA 455261 A CA455261 A CA 455261A CA 1228280 A CA1228280 A CA 1228280A
Authority
CA
Canada
Prior art keywords
spool
pilot valve
stage
solenoid
valve according
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.)
Expired
Application number
CA000455261A
Other languages
English (en)
French (fr)
Inventor
John A.G. Hammond
Andrew C. Morley
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.)
Vickers Inc
Original Assignee
Vickers Inc
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 Vickers Inc filed Critical Vickers Inc
Application granted granted Critical
Publication of CA1228280A publication Critical patent/CA1228280A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603—Multiple-way valves
    • F16K31/061—Sliding valves
    • F16K31/0613—Sliding valves with cylindrical slides
    • 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
    • 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
    • F15B13/0435—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 sliding 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/002—Electrical failure
    • 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
    • F15B2013/0412—Valve members; Fluid interconnections therefor with three positions
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86614—Electric
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/86622—Motor-operated
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/86702—With internal flow passage
    • 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
    • Y10T137/8593—Systems
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87217—Motor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)
CA000455261A 1983-06-01 1984-05-28 Pilot valves for two-stage hydraulic devices Expired CA1228280A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838315079A GB8315079D0 (en) 1983-06-01 1983-06-01 Pilot valves for two-stage hydraulic devices
GB8315079 1983-06-01

Publications (1)

Publication Number Publication Date
CA1228280A true CA1228280A (en) 1987-10-20

Family

ID=10543659

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000455261A Expired CA1228280A (en) 1983-06-01 1984-05-28 Pilot valves for two-stage hydraulic devices

Country Status (6)

Country Link
US (1) US4615358A (US20100223739A1-20100909-C00025.png)
EP (1) EP0128002B1 (US20100223739A1-20100909-C00025.png)
JP (1) JPS6011793A (US20100223739A1-20100909-C00025.png)
CA (1) CA1228280A (US20100223739A1-20100909-C00025.png)
DE (1) DE3473021D1 (US20100223739A1-20100909-C00025.png)
GB (1) GB8315079D0 (US20100223739A1-20100909-C00025.png)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8526442D0 (en) * 1985-10-26 1985-11-27 Vickers Systems Ltd Pilot valves
JPH0440056Y2 (US20100223739A1-20100909-C00025.png) * 1987-10-06 1992-09-18
US4969487A (en) * 1989-09-15 1990-11-13 Kayaba Industry Co., Ltd. Solenoid valve
DE3938417C1 (US20100223739A1-20100909-C00025.png) * 1989-11-18 1991-03-21 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De
JPH04201616A (ja) * 1990-11-30 1992-07-22 Nissan Motor Co Ltd 能動型サスペンション用圧力制御弁
DE4212550C2 (de) * 1992-04-15 1998-12-10 Hydraulik Ring Gmbh Ventilanordnung mit einem Wegeventil
IT1311060B1 (it) * 1999-12-14 2002-02-28 Bucher Hidroirma S P A Valvola di controllo direzionale.
US6609538B2 (en) 2001-10-11 2003-08-26 Mico, Inc. Auto-relieving pressure modulating valve
US7156115B2 (en) * 2003-01-28 2007-01-02 Lancer Partnership, Ltd Method and apparatus for flow control
JP2004301190A (ja) * 2003-03-28 2004-10-28 Aisin Seiki Co Ltd 油圧制御装置
CN100441886C (zh) * 2004-11-12 2008-12-10 宁波华液机器制造有限公司 三通比例减压控制阀
JP4697043B2 (ja) * 2006-05-19 2011-06-08 株式会社デンソー 流体圧制御装置
WO2008103959A1 (en) * 2007-02-22 2008-08-28 Raytheon Sarcos, Llc First-stage pilot valve
JP4900074B2 (ja) * 2007-06-18 2012-03-21 アイシン・エィ・ダブリュ株式会社 電磁弁
EP3276444B1 (en) * 2008-06-11 2019-11-13 Eaton Corporation Controller auto-tuning method
DE102012222399A1 (de) * 2012-12-06 2014-06-12 Robert Bosch Gmbh Stetig verstellbares hydraulisches Einbauventil
WO2018139476A1 (ja) 2017-01-26 2018-08-02 イーグル工業株式会社 容量制御弁
EP3584441B1 (en) 2017-02-18 2022-08-31 Eagle Industry Co., Ltd. Capacity control valve
CN111279076B (zh) 2017-11-15 2022-04-19 伊格尔工业股份有限公司 容量控制阀及容量控制阀的控制方法
JP7083844B2 (ja) * 2017-11-30 2022-06-13 イーグル工業株式会社 容量制御弁及び容量制御弁の制御方法
JP7086490B2 (ja) 2017-12-08 2022-06-20 イーグル工業株式会社 容量制御弁及び容量制御弁の制御方法
CN111417780B (zh) 2017-12-14 2022-05-17 伊格尔工业股份有限公司 容量控制阀及容量控制阀的控制方法
EP3734070B1 (en) 2017-12-27 2024-03-20 Eagle Industry Co., Ltd. Capacity control valve
US11434885B2 (en) 2017-12-27 2022-09-06 Eagle Industry Co., Ltd. Capacity control valve and method for controlling same
WO2019142931A1 (ja) 2018-01-22 2019-07-25 イーグル工業株式会社 容量制御弁
US11378192B2 (en) * 2018-05-18 2022-07-05 Hydac Systems & Services Gmbh Valve
WO2019225628A1 (ja) * 2018-05-23 2019-11-28 イーグル工業株式会社 容量制御弁
US11635152B2 (en) 2018-11-26 2023-04-25 Eagle Industry Co., Ltd. Capacity control valve
US11391388B2 (en) 2018-12-04 2022-07-19 Eagle Industry Co., Ltd. Capacity control valve
US11802552B2 (en) 2019-07-12 2023-10-31 Eagle Industry Co., Ltd. Capacity control valve
US11680649B2 (en) * 2020-11-16 2023-06-20 Parker-Hannifin Corporstion Proportional valve spool with linear flow gain

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR963223A (US20100223739A1-20100909-C00025.png) * 1947-03-13 1950-07-01
US3450160A (en) * 1967-04-14 1969-06-17 Sperry Rand Corp Electrically operated valve
GB1261134A (en) * 1969-11-05 1972-01-19 Ch Traktorny Zd Directional control valves for the power cylinders of operating elements of machines
DE2255272B2 (de) * 1972-11-11 1979-04-05 Robert Bosch Gmbh, 7000 Stuttgart Stellmagnet mit einem Gehäuse
JPS5815707Y2 (ja) * 1976-08-26 1983-03-30 焼結金属工業株式会社 パイロット形方向切換弁
GB1598571A (en) * 1977-09-23 1981-09-23 Sperry Ltd Servo valves
DE2840831C2 (de) * 1978-09-20 1984-06-28 Robert Bosch Gmbh, 7000 Stuttgart Elektrohydraulisches Wegeventil
US4320782A (en) * 1979-02-05 1982-03-23 Pauliukonis Richard S Universal momentary contact diverter
US4231399A (en) * 1979-02-05 1980-11-04 Pauliukonis Richard S Momentary contact reversing diverter
EP0114470B1 (en) * 1982-12-13 1986-08-13 Vickers Incorporated Two-stage hydraulic valves

Also Published As

Publication number Publication date
US4615358A (en) 1986-10-07
GB8315079D0 (en) 1983-07-06
EP0128002A2 (en) 1984-12-12
JPS6011793A (ja) 1985-01-22
EP0128002B1 (en) 1988-07-27
DE3473021D1 (en) 1988-09-01
EP0128002A3 (en) 1985-08-28
JPH0571832B2 (US20100223739A1-20100909-C00025.png) 1993-10-08

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Legal Events

Date Code Title Description
MKEX Expiry