FR1432553A - Perfectionnements aux soupapes, notamment à commande magnétique - Google Patents

Perfectionnements aux soupapes, notamment à commande magnétique

Info

Publication number
FR1432553A
FR1432553A FR990852A FR990852A FR1432553A FR 1432553 A FR1432553 A FR 1432553A FR 990852 A FR990852 A FR 990852A FR 990852 A FR990852 A FR 990852A FR 1432553 A FR1432553 A FR 1432553A
Authority
FR
France
Prior art keywords
valves
magnetic control
especially magnetic
control
magnetic
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
FR990852A
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.)
SKINNER PREC IND
Skinner Precision Industries Inc
Original Assignee
SKINNER PREC IND
Skinner Precision Industries 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 SKINNER PREC IND, Skinner Precision Industries Inc filed Critical SKINNER PREC IND
Application granted granted Critical
Publication of FR1432553A publication Critical patent/FR1432553A/fr
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603Multiple-way valves
    • F16K31/0624Lift valves
    • F16K31/0627Lift valves with movable valve member positioned between seats
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/082Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16Rectilinearly-movable armatures
    • H01F7/1638Armatures not entering the winding
    • H01F7/1646Armatures or stationary parts of magnetic circuit having permanent magnet
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00Magnets
    • H01F7/06Electromagnets; Actuators including electromagnets
    • H01F7/08Electromagnets; Actuators including electromagnets with armatures
    • H01F7/121Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86622Motor-operated
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/87153Plural noncommunicating flow paths
    • Y10T137/87161With common valve operator

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
FR990852A 1963-10-09 1964-10-09 Perfectionnements aux soupapes, notamment à commande magnétique Expired FR1432553A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US314898A US3203447A (en) 1963-10-09 1963-10-09 Magnetically operated valve

Publications (1)

Publication Number Publication Date
FR1432553A true FR1432553A (fr) 1966-03-25

Family

ID=23221959

Family Applications (1)

Application Number Title Priority Date Filing Date
FR990852A Expired FR1432553A (fr) 1963-10-09 1964-10-09 Perfectionnements aux soupapes, notamment à commande magnétique

Country Status (7)

Country Link
US (1) US3203447A (fr)
CH (1) CH431219A (fr)
DE (1) DE1282402B (fr)
DK (1) DK121312B (fr)
FR (1) FR1432553A (fr)
GB (1) GB1068610A (fr)
NL (1) NL6411763A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319184A2 (fr) * 1975-07-25 1977-02-18 Renault Actuateur electromagnetique, notamment pour valve de servo-commande hydraulique
FR2427536A1 (fr) * 1978-05-30 1979-12-28 Thomson Csf Electrovanne bistable comportant un aimant permanent

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379214A (en) * 1965-01-15 1968-04-23 Skinner Prec Ind Inc Permanent magnet valve assembly
US3339664A (en) * 1965-01-29 1967-09-05 Gen Motors Corp Vehicle speed control mechanism
US3368788A (en) * 1965-05-12 1968-02-13 Skinner Prec Ind Inc Magnetic latch valve
US3420492A (en) * 1965-10-06 1969-01-07 Itt Bistable valve mechanism or the like
US3452780A (en) * 1965-11-12 1969-07-01 Warner Lambert Pharmaceutical Electrically actuated valve
US3448960A (en) * 1966-04-22 1969-06-10 Pneumo Dynamics Corp Solenoid valve
US3409038A (en) * 1966-04-26 1968-11-05 Durable Mfg Company Laminated magnetic rubber valve
US3519336A (en) * 1966-11-10 1970-07-07 Eng Automotive Sciences Inc Rearview mirror adaptor for angling the mirror by remote control
US3460573A (en) * 1966-11-21 1969-08-12 Gen Motors Corp Fluid control mechanism
US3683239A (en) * 1971-06-17 1972-08-08 Oded E Sturman Self-latching solenoid actuator
US3814376A (en) * 1972-08-09 1974-06-04 Parker Hannifin Corp Solenoid operated valve with magnetic latch
US3977436A (en) * 1972-11-02 1976-08-31 Fluid Devices Limited Bi-stable valve apparatus
GB1419262A (en) * 1972-11-02 1975-12-24 Fluid Devices Ltd Electromagnetic actuator
GB1591471A (en) * 1977-06-18 1981-06-24 Hart J C H Electromagnetic actuators
JPS5565407A (en) * 1978-11-10 1980-05-16 Minolta Camera Co Ltd Electromagnetic mechanism
US4403765A (en) * 1979-11-23 1983-09-13 John F. Taplin Magnetic flux-shifting fluid valve
US4306589A (en) * 1980-01-09 1981-12-22 The Aro Corporation Low power solenoid-operated air valve with magnetic latching
DE3006259A1 (de) * 1980-02-20 1981-08-27 Wabco Fahrzeugbremsen Gmbh, 3000 Hannover Wechselventil fuer pneumatisch gesteuerte tueranlgen
US4469304A (en) * 1980-04-15 1984-09-04 Kah Jr Carl L C Pulse actuated solenoid valve
US4352367A (en) * 1980-07-18 1982-10-05 Sundstrand Corporation Electro-hydraulic control structure
US4538129A (en) * 1981-05-18 1985-08-27 Fisher Richard T Magnetic flux-shifting actuator
DE3230162C2 (de) * 1982-08-13 1985-03-14 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Elektromagnetisches Zweistoffventil
US4505300A (en) * 1983-07-01 1985-03-19 Honeywell Inc. Control valve apparatus
DE3332801A1 (de) * 1983-09-12 1985-03-28 Robert Bosch Gmbh, 7000 Stuttgart Ventil fuer gasfoermige oder fluessige medien
DE3334160C2 (de) * 1983-09-21 1986-07-24 Sauer, Otto, 6800 Mannheim Magnetventil
DE3334159A1 (de) * 1983-09-21 1985-04-04 Sauer, Otto, 6800 Mannheim Magnetventil
DE3402118A1 (de) * 1984-01-23 1985-07-25 Robert Bosch Gmbh, 7000 Stuttgart Steuerventil
DE3501836C2 (de) * 1985-01-21 1995-06-22 Rexroth Mannesmann Gmbh Steuermotor für ein Servoventil
JPS61237325A (ja) * 1985-04-13 1986-10-22 山本 誠二 作動片の駆動装置
CH664806A5 (fr) * 1985-07-01 1988-03-31 Marius Thiebaud Soupape automatique de regulation du debit d'air soutire d'un local par une installation de ventilation mecanique.
GB2184260B (en) * 1985-11-20 1989-11-01 British Gas Plc Valve operating system
US4770389A (en) * 1986-05-14 1988-09-13 Chevron Research Company Electric valve device
IT1203572B (it) * 1986-06-11 1989-02-15 Elbi Int Spa Circuito frigorigeno per impianti frigoriferi includenti una fluralilita'di ambienti refrigeranti ed elettrovalvola deviatrice bistabile utilizzabile in tale circuito
FR2606927B1 (fr) * 1986-11-19 1991-09-13 Telemecanique Electrique Electro-aimant polarise bistable
US4787414A (en) * 1986-12-05 1988-11-29 Robertshaw Controls Company Fuel control valve construction, parts therefor and methods of making the same
KR920003202B1 (ko) * 1988-06-28 1992-04-24 미쯔비시 덴끼 가부시기가이샤 전동식구동장치의 회전범위를 규정하는 리미트스위치장착의 전기회로
US4925157A (en) * 1989-05-26 1990-05-15 Leonard Troy Solenoid-operated control apparatus
US5014031A (en) * 1989-07-21 1991-05-07 Heinz Nusser Ultra precision pressure regulator
US5170144A (en) * 1989-07-31 1992-12-08 Solatrol, Inc. High efficiency, flux-path-switching, electromagnetic actuator
DE3942542A1 (de) * 1989-12-22 1991-06-27 Lungu Cornelius Bistabiler magnetantrieb mit permanentmagnetischem hubanker
DE4000071A1 (de) * 1990-01-03 1991-07-04 Bosch Gmbh Robert Magnetventil
FR2659413A1 (fr) * 1990-03-09 1991-09-13 Odam Sa Obturateur ultra-rapide, notamment a usage medical.
DE4012832C2 (de) * 1990-04-23 1995-03-09 Festo Kg Magnetventil
DE4020011A1 (de) * 1990-06-21 1992-01-09 Mannesmann Ag Elektromechanisches stellglied mit zwei definierten endlagen
US5193781A (en) * 1990-10-12 1993-03-16 Milliken Research Corporation Electro-pneumatic valve card assemblies
US5144982A (en) * 1990-10-12 1992-09-08 Milliken Research Corporation Electro-pneumatic valve card assemblies
US5146126A (en) * 1991-09-05 1992-09-08 Hr Textron Inc. Adjustable rotor assembly
DE4224470A1 (de) * 1992-07-24 1994-01-27 Bosch Gmbh Robert Magnetventil für flüssige und gasförmige Medien
DE59207632D1 (de) * 1992-09-18 1997-01-16 Moog Gmbh Steuermotor
US5497135A (en) * 1993-03-31 1996-03-05 Harald Schrott Bistable electromagnet, particularly an electromagnetic valve
US5605317A (en) * 1994-03-21 1997-02-25 Sapphire Engineering, Inc. Electro-magnetically operated valve
US5810329A (en) * 1996-06-19 1998-09-22 Borg-Warner Automotive, Inc. Control system for providing dual vacuum levels
NL1008703C1 (nl) * 1998-01-08 1999-07-12 Jan Hendrik Fondse Meerwegklep.
DE19914972A1 (de) * 1998-09-17 2000-03-30 Schrott Harald Kälteerzeugungskreis für eine Kühlanlage
UA67804C2 (uk) * 1998-10-02 2004-07-15 Роналд Нортедж Клапан
DE19929572A1 (de) 1999-06-22 2001-01-04 Siemens Ag Magnetischer Linearantrieb
DE19962732B4 (de) * 1999-12-23 2008-04-03 Pierburg Gmbh Elektrisches Durchschaltventil
DE20023972U1 (de) * 2000-12-15 2008-04-10 BSH Bosch und Siemens Hausgeräte GmbH Magnetventil für einen Kältemittelkreislauf
DE10206778A1 (de) * 2002-02-19 2003-08-28 Aweco Appliance Sys Gmbh & Co Bistabiles elektromagnetisches Ventil
AU2003274647A1 (en) * 2002-10-21 2004-05-04 Microheat Inc. Apparatus and method for cleaning or de-icing vehicle elements
KR20070005613A (ko) 2004-02-12 2007-01-10 마이크로 히트 인코퍼레이티드 세척과 제빙을 위한 장치 및 방법
WO2008012801A2 (fr) 2006-07-24 2008-01-31 Microheat Inc. Système et procédé de nettoyage et de dégivrage de surfaces de véhicule
GB2469088A (en) * 2009-04-01 2010-10-06 Haldex Brake Products Ltd Brake actuator and lock control valve
TW201100681A (en) * 2009-06-30 2011-01-01 Well Shin Technology Co Ltd Magnetic valve
DE102009033585A1 (de) * 2009-07-16 2011-01-20 Festo Ag & Co. Kg Ventil
US9976663B2 (en) * 2010-05-26 2018-05-22 Petrolvalves S.P.A. Intelligent pressure relief device for a double isolation valve
US20150248959A1 (en) * 2012-09-11 2015-09-03 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk On-Derzoek Tno Reluctance transducer
US9574677B2 (en) 2013-05-31 2017-02-21 Dayco Ip Holdings, Llc Solenoid-powered gate valve
KR102085397B1 (ko) 2013-05-31 2020-04-14 데이코 아이피 홀딩스 엘엘시 액츄에이터에 의해 이동가능한 스프링 장착 게이트 밸브
JP6571083B2 (ja) 2013-08-30 2019-09-04 デイコ アイピー ホールディングス, エルエルシーDayco Ip Holdings, Llc ソレノイドアクチュエータによって移動可能なバネ装填式ゲートバルブ
US10221867B2 (en) 2013-12-10 2019-03-05 Dayco Ip Holdings, Llc Flow control for aspirators producing vacuum using the venturi effect
EP3094900B1 (fr) * 2013-12-11 2020-09-16 Dayco IP Holdings, LLC Vanne d'arrêt à commande magnétique
JP6307867B2 (ja) * 2013-12-20 2018-04-11 アイシン精機株式会社 流体制御弁
US10060546B2 (en) * 2014-04-09 2018-08-28 Kongsberg Automotive Ab Solenoid valve
WO2016178473A1 (fr) * 2015-05-04 2016-11-10 최태광 Dispositif de commande de flux magnétique
US9599246B2 (en) 2015-08-05 2017-03-21 Dayco Ip Holdings, Llc Magnetically actuated shut-off valve
US10871242B2 (en) 2016-06-23 2020-12-22 Rain Bird Corporation Solenoid and method of manufacture
US10024453B2 (en) * 2016-07-15 2018-07-17 Glen A. Robertson Dual acting solenoid valve using bi-stable permanent magnet activation for energy efficiency and power versatility
US10993546B2 (en) * 2016-10-28 2021-05-04 Sleep Number Corporation Noise reducing plunger
US10980120B2 (en) 2017-06-15 2021-04-13 Rain Bird Corporation Compact printed circuit board
DE102017212084A1 (de) * 2017-07-14 2019-01-17 Robert Bosch Gmbh Bistabiles Magnetventil für ein hydraulisches Bremssystem und Verfahren zur Ansteuerung eines solchen Ventils
IT201800004121A1 (it) * 2018-03-30 2019-09-30 Miro Capitanio Sistema valvolare antistallo bistabile
US11503782B2 (en) 2018-04-11 2022-11-22 Rain Bird Corporation Smart drip irrigation emitter
KR102073153B1 (ko) * 2018-08-14 2020-02-04 한국과학기술연구원 2-자유도 충격 액추에이터 및 충격 제어 방법
FR3086363A1 (fr) 2018-09-26 2020-03-27 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif de vanne fluidique
EP3730786B1 (fr) 2019-04-19 2022-12-28 White Knight Fluid Handling Inc. Pompes à fluide alternatives comprenant des aimants et ensembles, systèmes et procédés associés
US12104703B2 (en) 2019-06-28 2024-10-01 Leggett & Platt Canada Co. Fluid management system
EP3990812A4 (fr) * 2019-06-28 2023-07-19 Leggett & Platt Canada Co. Vanne magnétique
EP3869074B1 (fr) 2020-02-24 2023-06-21 Schukra Berndorf GmbH Soupapes à actionnement électrique
US11721465B2 (en) 2020-04-24 2023-08-08 Rain Bird Corporation Solenoid apparatus and methods of assembly
DE102020206678A1 (de) * 2020-05-28 2021-12-02 Robert Bosch Gesellschaft mit beschränkter Haftung Absperrventil für einen Druckgasbehälter, Druckgasbehälter
US11808374B2 (en) 2020-12-30 2023-11-07 Leggett & Platt Canada Co. Fluid management system
CN113158522B (zh) * 2021-04-19 2023-11-28 绍兴文理学院 一种基于electre-iii的电磁铁响应时间评估方法
US11832728B2 (en) 2021-08-24 2023-12-05 Sleep Number Corporation Controlling vibration transmission within inflation assemblies

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE665565C (de) * 1937-02-25 1938-09-29 Stotz Kontakt Gmbh Elektromagnet zur temperaturabhaengigen Steuerung von Ventilen
US2346904A (en) * 1941-06-19 1944-04-18 Crane Co Valve
US2609669A (en) * 1950-12-18 1952-09-09 Phillips Petroleum Co Magnetic change-over valve
DE1029640B (de) * 1955-02-19 1958-05-08 Jean Friberg Elektromagnetisch gesteuertes Ventil
US2811979A (en) * 1955-02-24 1957-11-05 Frank G Presnell Shuttle valve
DE1041755B (de) * 1956-04-25 1958-10-23 Gerhard Seulen Dr Ing Stopfbuchsloses Magnetventil, insbesondere fuer Heizungsanlagen
DE1084096B (de) * 1958-06-16 1960-06-23 Fritz Maus Magnetantrieb fuer Ventile und Pumpen
US3013768A (en) * 1959-12-03 1961-12-19 Valcor Eng Corp Solenoid and plunger
US3134404A (en) * 1961-02-27 1964-05-26 William B Jaspert Electro-magnetically operated floating armature valves
US3120943A (en) * 1962-09-05 1964-02-11 Allis Chalmers Mfg Co Impulse solenoid actuated pivoted valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2319184A2 (fr) * 1975-07-25 1977-02-18 Renault Actuateur electromagnetique, notamment pour valve de servo-commande hydraulique
FR2427536A1 (fr) * 1978-05-30 1979-12-28 Thomson Csf Electrovanne bistable comportant un aimant permanent

Also Published As

Publication number Publication date
NL6411763A (fr) 1965-04-12
DK121312B (da) 1971-10-04
CH431219A (de) 1967-02-28
GB1068610A (en) 1967-05-10
DE1282402B (de) 1968-11-07
US3203447A (en) 1965-08-31

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