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Patent Searching and Data


Title:
PLANAR MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/142605
Kind Code:
A1
Abstract:
A planar motor (10) comprises a rotor (20), a stator (30), and a control circuit (40). The rotor (20) has a permanent magnet (21) or an electromagnet (21b). The stator (30) has a main face (31a) facing the rotor (20), and a plurality of thin film-like pattern coils (33) disposed along the main face (31a). The control circuit (40) is constituted by a half-bridge circuit or a full-bridge circuit, and has a plurality of switching elements for controlling the supply of power to the plurality of pattern coils (33). The control circuit (40) controls the switching elements disposed on the high side and the low side, and alters the magnetic poles of the pattern coils (33) by switching the direction of the electric current flowing through the pattern coils (33).

Inventors:
AKIYAMA TOSHIHIRO
WAKABAYASHI TOSHIKAZU
NISHIMORI TAISUKE
AOKI SAKI
Application Number:
PCT/JP2018/047336
Publication Date:
July 25, 2019
Filing Date:
December 21, 2018
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02P25/064; H02K41/03
Foreign References:
JPH03230793A1991-10-14
JP2005245188A2005-09-08
JPS62247792A1987-10-28
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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