FR2648637B1 - ELECTROMAGNETIC LINEAR ACTUATOR - Google Patents

ELECTROMAGNETIC LINEAR ACTUATOR

Info

Publication number
FR2648637B1
FR2648637B1 FR8908053A FR8908053A FR2648637B1 FR 2648637 B1 FR2648637 B1 FR 2648637B1 FR 8908053 A FR8908053 A FR 8908053A FR 8908053 A FR8908053 A FR 8908053A FR 2648637 B1 FR2648637 B1 FR 2648637B1
Authority
FR
France
Prior art keywords
linear actuator
electromagnetic linear
electromagnetic
actuator
linear
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 - Fee Related
Application number
FR8908053A
Other languages
French (fr)
Other versions
FR2648637A1 (en
Inventor
Claude Oudet
Daniel Prudham
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
Priority to FR8908053A priority Critical patent/FR2648637B1/en
Publication of FR2648637A1 publication Critical patent/FR2648637A1/en
Application granted granted Critical
Publication of FR2648637B1 publication Critical patent/FR2648637B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • 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
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1638—Armatures not entering the winding
    • H01F7/1646—Armatures or stationary parts of magnetic circuit having permanent magnet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type
    • 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
    • H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
    • H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR8908053A 1989-06-16 1989-06-16 ELECTROMAGNETIC LINEAR ACTUATOR Expired - Fee Related FR2648637B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8908053A FR2648637B1 (en) 1989-06-16 1989-06-16 ELECTROMAGNETIC LINEAR ACTUATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908053A FR2648637B1 (en) 1989-06-16 1989-06-16 ELECTROMAGNETIC LINEAR ACTUATOR

Publications (2)

Publication Number Publication Date
FR2648637A1 FR2648637A1 (en) 1990-12-21
FR2648637B1 true FR2648637B1 (en) 1991-09-06

Family

ID=9382837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8908053A Expired - Fee Related FR2648637B1 (en) 1989-06-16 1989-06-16 ELECTROMAGNETIC LINEAR ACTUATOR

Country Status (1)

Country Link
FR (1) FR2648637B1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415821A (en) * 1982-05-10 1983-11-15 Kollmorgen Technologies Corporation Dynamic magnetic preload bearing structure for a linear motor
EP0098002B1 (en) * 1982-06-30 1988-10-26 Koninklijke Philips Electronics N.V. Magnetically suspended linear motor
CH669064A5 (en) * 1986-06-02 1989-02-15 Portescap ELECTROMAGNETIC ACTUATION DEVICE.

Also Published As

Publication number Publication date
FR2648637A1 (en) 1990-12-21

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Legal Events

Date Code Title Description
ST Notification of lapse