DE69738708D1 - SINGLE PHASE ELECTROMAGNETIC ROTATING ACTUATOR WITH MAGNETIC SPRING AND ELECTRIC VALVE WITH SUCH A SENSOR - Google Patents

SINGLE PHASE ELECTROMAGNETIC ROTATING ACTUATOR WITH MAGNETIC SPRING AND ELECTRIC VALVE WITH SUCH A SENSOR

Info

Publication number
DE69738708D1
DE69738708D1 DE69738708T DE69738708T DE69738708D1 DE 69738708 D1 DE69738708 D1 DE 69738708D1 DE 69738708 T DE69738708 T DE 69738708T DE 69738708 T DE69738708 T DE 69738708T DE 69738708 D1 DE69738708 D1 DE 69738708D1
Authority
DE
Germany
Prior art keywords
righting
magnetic
phase electromagnetic
sensor
single phase
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 - Lifetime
Application number
DE69738708T
Other languages
German (de)
Inventor
Pierre Gandel
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.)
Moving Magnet Technologie SA
Original Assignee
Moving Magnet Technologie SA
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 Moving Magnet Technologie SA filed Critical Moving Magnet Technologie SA
Application granted granted Critical
Publication of DE69738708D1 publication Critical patent/DE69738708D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/14—Pivoting armatures
    • H01F7/145—Rotary electromagnets with variable gap

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
  • Electrically Driven Valve-Operating Means (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

A single-phase electromagnetic actuator with a torque caused by a constant current over a major part of the working stroke, and a magnetic righting torque about an inoperative position that is stable in the absence of a current. The actuator comprises a stationary device (1) consisting of stator circuit energised by at least one electric coil, and a rotatably movable device (2) comprising a thin magnet with 2N pairs of magnetic poles magnetised in alternate directions. The actuator further comprises righting means for returning the movable device (2) to a predetermined inoperative angular position, said righting means being magnetic or magnetostatic means consisting of a thin auxiliary righting magnet (34) arranged in the air gap, provided with 2N pairs of magnetic poles magnetised in alternate directions, and secured to the stator poles.
DE69738708T 1996-01-17 1997-01-16 SINGLE PHASE ELECTROMAGNETIC ROTATING ACTUATOR WITH MAGNETIC SPRING AND ELECTRIC VALVE WITH SUCH A SENSOR Expired - Lifetime DE69738708D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9600496A FR2744559B1 (en) 1996-01-17 1996-01-17 SINGLE-PHASE ROTARY ELECTROMAGNETIC ACTUATOR WITH MAGNETIC SPRING AND ELECTRIC VALVE USING SUCH AN ACTUATOR
PCT/FR1997/000080 WO1997026667A1 (en) 1996-01-17 1997-01-16 Rotatable single-phase electromagnetic actuator with a magnetic spring, and electrically operated valve using same

Publications (1)

Publication Number Publication Date
DE69738708D1 true DE69738708D1 (en) 2008-07-03

Family

ID=9488188

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69738708T Expired - Lifetime DE69738708D1 (en) 1996-01-17 1997-01-16 SINGLE PHASE ELECTROMAGNETIC ROTATING ACTUATOR WITH MAGNETIC SPRING AND ELECTRIC VALVE WITH SUCH A SENSOR

Country Status (6)

Country Link
EP (1) EP0886875B1 (en)
JP (1) JP2000503165A (en)
AT (1) ATE396486T1 (en)
DE (1) DE69738708D1 (en)
FR (1) FR2744559B1 (en)
WO (1) WO1997026667A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5828151A (en) * 1997-08-27 1998-10-27 Cts Corporation Self aligning actuator with low bearing wear
FR2997745B1 (en) 2012-11-06 2014-11-07 Sonceboz Automotive Sa MOTORIZED OVERHEAD VALVE WITH IMPROVED SEALING
FR3038772B1 (en) 2015-07-07 2017-08-11 Mmt Sa ELECTROMAGNETIC ACTUATOR WITH DIRECT DRIVE.
CN107489867B (en) * 2017-08-31 2019-02-05 北京影谱科技股份有限公司 A kind of holder that can be used in harsh environment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4596970A (en) * 1984-12-21 1986-06-24 Pneumo Corporation Limited angle torque motor with high stiffness and natural frequency
DE3908545C2 (en) * 1989-03-16 1995-01-05 Vdo Schindling Adjustment drive for a throttle valve of an internal combustion engine
FR2670629B1 (en) * 1990-12-17 1995-03-10 Moving Magnet Tech ROTARY SINGLE - PHASE ELECTROMAGNETIC ACTUATOR.
JP2573859Y2 (en) * 1991-11-21 1998-06-04 株式会社ハーモニック・ドライブ・システムズ Home position return mechanism for electromagnetic finite rotary motor
FR2688105B1 (en) * 1992-02-28 1994-05-06 Moving Magnet Technologies Sa ELECTROMAGNETIC ROTARY ACTUATOR SINGLE-PHASE RACE BETWEEN 60 AND 120 DEGREES.
US5337030A (en) * 1992-10-08 1994-08-09 Lucas Industries, Inc. Permanent magnet brushless torque actuator

Also Published As

Publication number Publication date
JP2000503165A (en) 2000-03-14
EP0886875B1 (en) 2008-05-21
EP0886875A1 (en) 1998-12-30
FR2744559A1 (en) 1997-08-08
FR2744559B1 (en) 1998-04-10
ATE396486T1 (en) 2008-06-15
WO1997026667A1 (en) 1997-07-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition