FR2648637B1 - ELECTROMAGNETIC LINEAR ACTUATOR - Google Patents
ELECTROMAGNETIC LINEAR ACTUATORInfo
- 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
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)
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)
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. |
-
1989
- 1989-06-16 FR FR8908053A patent/FR2648637B1/en not_active Expired - Fee Related
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 |