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Title:
ブラシレス電気機械
Document Type and Number:
Japanese Patent JP5332260
Kind Code:
B2
Abstract:

To provide a more efficient brushless electrical machine, as compared with conventional machines.

The brushless electrical machine (100a) is provided with a first member having a magnet assembly (10), and a second member having an electromagnetic coil (30). The first and second members are composed so that the positional relation between both can be changed. The magnet assembly (10) has a first magnet set (12) which is prepared in either the inner peripheral or the outer peripheral, and a second magnet set (14) prepared in the other side. The first and second magnet set (12, 14) are magnetized in opposite directions to each other so that same poles face each other, and produce the strongest magnetic field along a strong magnetic field direction connecting the inner circumference and the outer circumference of the magnet assembly (10).

COPYRIGHT: (C)2010,JPO&INPIT


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Inventors:
Kei Takeuchi Satoshi
Application Number:
JP2008085961A
Publication Date:
November 06, 2013
Filing Date:
March 28, 2008
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
H02K29/00; H02K1/27; H02K35/02; H02K35/04; H02K41/03
Domestic Patent References:
JP2000166142A
JP62161576U
JP4079741A
JP4067744A
JP2007252199A
JP2007107569A
JP2004068750A
JP2003136450A
JP2002218726A
Attorney, Agent or Firm:
Meisei International Patent Office