Title:
LINEAR MOTOR
Document Type and Number:
Japanese Patent JP3149684
Kind Code:
B2
Abstract:
PURPOSE: To obtain a linear motor in which safety and reliability are enhanced for the signal line between a sensor and a motor control circuit.
CONSTITUTION: The linear motor comprises a stator block 1 including a stator 2, a permanent magnet 3, and a feeder board 4, a mover block 5 including an electromagnet 6 and a hanger member 13, a sensor 20 for detecting the position of the mover block, and a motor control circuit receiving a position detection signal from the sensor 20 and feeding power to the feeder board 4 in order to perform a predetermined speed control, wherein the sensor 20 is housed in the stator case 2 and a sensing part 21 corresponding to the sensor is provided on a hanger member 13.
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Inventors:
Hiroshi Hori
Jun Saito
Satoshi Kajiyama
Jun Saito
Satoshi Kajiyama
Application Number:
JP11731694A
Publication Date:
March 26, 2001
Filing Date:
May 31, 1994
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
H02K11/00; H02K41/02; H02K41/03; (IPC1-7): H02K41/02; H02K11/00; H02K41/03
Domestic Patent References:
| JP5328699A | ||||
| JP4248357A | ||||
| JP62104470A | ||||
| JP5211798A | ||||
| JP3111172U |
Attorney, Agent or Firm:
Junji Ando (1 person outside)