IT1011304B - Perfezionamento nelle valvole elettroidrauliche - Google Patents

Perfezionamento nelle valvole elettroidrauliche

Info

Publication number
IT1011304B
IT1011304B IT50445/74A IT5044574A IT1011304B IT 1011304 B IT1011304 B IT 1011304B IT 50445/74 A IT50445/74 A IT 50445/74A IT 5044574 A IT5044574 A IT 5044574A IT 1011304 B IT1011304 B IT 1011304B
Authority
IT
Italy
Prior art keywords
electro
improvement
hydraulic valves
valves
hydraulic
Prior art date
Application number
IT50445/74A
Other languages
English (en)
Original Assignee
Kochring Co
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 Kochring Co filed Critical Kochring Co
Application granted granted Critical
Publication of IT1011304B publication Critical patent/IT1011304B/it

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
    • F15B13/0438—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 nozzle-flapper 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
    • F15B13/02—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
    • F15B13/0431—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 electrical control resulting in an on-off function
    • 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
    • Y10T137/8659—Variable orifice-type modulator
    • Y10T137/86598—Opposed orifices; interposed modulator
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Servomotors (AREA)
  • Fluid-Driven Valves (AREA)
IT50445/74A 1973-08-16 1974-04-17 Perfezionamento nelle valvole elettroidrauliche IT1011304B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US388897A US3910314A (en) 1973-08-16 1973-08-16 High-speed shutoff and dump valve

Publications (1)

Publication Number Publication Date
IT1011304B true IT1011304B (it) 1977-01-20

Family

ID=23535992

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50445/74A IT1011304B (it) 1973-08-16 1974-04-17 Perfezionamento nelle valvole elettroidrauliche

Country Status (5)

Country Link
US (1) US3910314A (it)
JP (1) JPS5045182A (it)
DE (1) DE2419311A1 (it)
GB (1) GB1470686A (it)
IT (1) IT1011304B (it)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0040909A1 (en) * 1980-05-16 1981-12-02 Westinghouse Brake And Signal Company Limited Fluid pressure control valves
US4456031A (en) * 1982-05-03 1984-06-26 Vickers, Incorporated Electro-hydraulic servo valve system
DE3501836C2 (de) * 1985-01-21 1995-06-22 Rexroth Mannesmann Gmbh Steuermotor für ein Servoventil
DE3913239C2 (de) * 1989-04-21 1995-02-02 Rexroth Mannesmann Gmbh Steuermotor, insbesondere für ein Servoventil
DE3919617A1 (de) * 1989-06-15 1990-12-20 Rexroth Mannesmann Gmbh Steuermotor, insbesondere fuer ein servoventil
JPH0379288U (it) * 1989-11-19 1991-08-13
DE4000071A1 (de) * 1990-01-03 1991-07-04 Bosch Gmbh Robert Magnetventil
US5161776A (en) * 1991-02-11 1992-11-10 Nicholson Robert D High speed electric valve
US5197516A (en) * 1992-05-01 1993-03-30 Moog Controls, Inc. Hydraulic servo valve with controlled disengagement feature
US5253676A (en) * 1992-08-13 1993-10-19 Moog Controls, Inc. Low Bernoulli force control orifice
FR2752901B1 (fr) * 1996-08-28 1998-10-09 Bayard Electrovanne de commande d'une installation de disribution d'eau
US6068288A (en) * 1998-03-26 2000-05-30 Sturman/Tlx Llc Dynamic control valve system adapted for inflatable restraint systems for vehicles
US6598385B1 (en) 1998-11-19 2003-07-29 Honeywell International, Inc. Two stage gas pilot valve controlling gas flow to a reaction jet nozzle
US6233919B1 (en) 2000-02-10 2001-05-22 Honeywell International, Inc. Force driven hot gas proportional thruster valve
US6227247B1 (en) 2000-02-10 2001-05-08 Honeywell International Position driven hot gas proportional thruster valve
US7455074B2 (en) * 2005-07-28 2008-11-25 Honeywell International Inc. Latchable electrohydraulic servovalve
US20070113906A1 (en) * 2005-11-21 2007-05-24 Sturman Digital Systems, Llc Pressure balanced spool poppet valves with printed actuator coils
US7681592B2 (en) * 2006-03-06 2010-03-23 Sturman Industries, Inc. Three-way poppet valves with floating seat
US7726340B2 (en) * 2006-11-09 2010-06-01 Honeywell International Inc. Flexible, hermetic pivot seal for torque motor
FR2914030B1 (fr) * 2007-03-21 2009-07-03 Hispano Suiza Sa Dispositif de commande de position d'un actionneur par une servovalve a memoire de position en cas de panne
WO2009073060A2 (en) * 2007-11-30 2009-06-11 Borgwarner Inc. Self-retaining plastic snap plugs
US8522821B2 (en) * 2010-09-17 2013-09-03 Woodward Hrt, Inc. Torque motor linearization
US20130048891A1 (en) * 2011-08-26 2013-02-28 Honeywell International Inc. Single-stage nozzle flapper torque motor and electrohydraulic valve including a flexible hermetic seal
FR2981133B1 (fr) * 2011-10-10 2013-10-25 In Lhc Procede de detection de defaillance d'une servovalve et servovalve faisant application.
CN102588649B (zh) * 2011-12-27 2014-09-17 中国航空工业集团公司金城南京机电液压工程研究中心 一种伺服阀及其零位补偿方法
CN102954057B (zh) * 2012-11-22 2015-08-19 太原理工大学 电闭环控制的三通比例减压阀
US9500171B2 (en) * 2012-12-12 2016-11-22 Hamilton Sundstrand Corporation Pressure regulating valve
CN103032398B (zh) * 2012-12-21 2015-07-08 武汉航天波纹管股份有限公司 球控喷流式高频电液数字阀
US9328839B2 (en) * 2014-01-08 2016-05-03 Honeywell International Inc. High-temperature torque motor actuator
CN103775411B (zh) * 2014-01-08 2015-09-23 浙江大学 一种基于速度差动压反馈液控先导级的伺服阀
US9739393B2 (en) 2014-02-05 2017-08-22 Pentair Flow Control Ag Valve controller with flapper nozzle pilot valve
US9377122B2 (en) 2014-03-27 2016-06-28 Honeywell International Inc. Flapper assemblies for torque motors of electrohydraulic valves
CN105736498B (zh) * 2014-12-12 2018-01-05 徐工集团工程机械股份有限公司 多路阀尾联、多路阀和液压系统
US9709177B2 (en) * 2015-01-13 2017-07-18 Honeywell International Inc. Two-position, two-stage servo valve
US9574676B2 (en) 2015-01-23 2017-02-21 Honeywell International Inc. High-temperature and high-vibration capable armature assemblies for torque motor valve actuators
EP3438470B1 (en) * 2016-03-31 2022-01-26 Tadano Ltd. Failure detection device
CN107965485B (zh) * 2016-10-20 2019-09-17 北京精密机电控制设备研究所 一种用于偏导射流伺服阀前置级调试的精确定位装置
US10082217B2 (en) 2016-12-08 2018-09-25 Honeywell International Inc. High-temperature and high-vibration capable armature assemblies for torque motor valve actuators with increased winding volume
CN112413216B (zh) * 2020-09-28 2021-11-23 品风燃气安全技术(广东)有限公司 一种易于更换维护的燃气安全阀
CN113202839B (zh) * 2021-04-13 2023-03-24 中国煤炭科工集团太原研究院有限公司 一种用于测量多路阀阀芯位移的先导阀

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2924241A (en) * 1956-11-30 1960-02-09 Ex Cell O Corp Electro hydraulic servo valve

Also Published As

Publication number Publication date
JPS5045182A (it) 1975-04-23
AU6715474A (en) 1975-10-02
US3910314A (en) 1975-10-07
GB1470686A (en) 1977-04-21
DE2419311A1 (de) 1975-02-27

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