Title:
MULTIPOLAR DC MOTOR
Document Type and Number:
Japanese Patent JPS60229659
Kind Code:
A
Abstract:
PURPOSE:To increase the attracting torque of the magnetic fields of an armature a permanent magnet ring by providing interpoles in the forward side of the rotating direction of a main pole in addition to the main pole. CONSTITUTION:A magnetic field 1 has a permanent magnet ring which is magnetized in four poles, a coil 3 is wound around a shaft 1, and cores 4, 5 enclose the coil 3 from the flat side of the coil 3. The cores 4, 5 are radially branched toward the field 1, the branched end is bent perpendicularly along the outer periphery of the coil 3, a main pole 4a and an interpole 4b are extended from the core 4, and a main pole 5a and an interpole 5b are extended from the core 5. The poles 4b, 5b are disposed at the position forward in the rotating direction of the poles 4a, 5a.
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Inventors:
KOMATSU FUMITO
Application Number:
JP8503884A
Publication Date:
November 15, 1985
Filing Date:
April 25, 1984
Export Citation:
Assignee:
KOMATSU FUMITO
International Classes:
H02K23/04; H02K21/14; H02K21/22; H02K23/24; H02K29/08; H02K29/14; (IPC1-7): H02K23/04; H02K23/24
Domestic Patent References:
| JPS5863065A | 1983-04-14 | |||
| JPS5517293A | 1980-02-06 |
Attorney, Agent or Firm:
Takao Watanuki