Title:
DC MOTOR WITHOUT COMMUTATOR
Document Type and Number:
Japanese Patent JPH11341771
Kind Code:
A
Abstract:
To provide a DC motor without a commutator which is capable of attaining high efficiency and being manufactured at low cost.
This DC motor is equipped with a only coil 2, having a plurality of working branch parts 2a, 2b and a rotor having permanent magnets 9. The working branch parts 2a, 2b are disposed adjacent to each other nearly without clearance. Permanent magnet parts 9a, 9b cover all the working branch parts 2a, 2b. The number of magnetic poles is equal to, at least that of the working branch parts 2a, 2b.
Inventors:
SCHERRER ERNST
Application Number:
JP8767699A
Publication Date:
December 10, 1999
Filing Date:
March 30, 1999
Export Citation:
Assignee:
MICRONEL AG
International Classes:
H02K21/24; H02K21/26; H02K29/00; (IPC1-7): H02K21/26; H02K29/00
Attorney, Agent or Firm:
Kihei Watanabe (1 person outside)