Single-phase brushless motor

Details Single-phase brushless motor Single-phase brushless motor

2007-08-17

2011-10-11

Duda, Rina (Department: 2837)

Electricity: motive power systems

Synchronous motor systems

Brushless motor closed-loop control

C318S727000

Reexamination Certificate

active

08035325

ABSTRACT:
The single-phase brushless motor according to one aspect of the present invention includes a coil array having a plurality of magnetic coils11-14; a magnet array having a plurality of permanent magnets31-34; a magnetic sensor40for detecting relative position of the magnet array and the coil array; and a drive control circuit that, utilizing the output signal SSA of the magnetic sensor, generates application voltage for driving the coil array with a single-phase drive signal. The coil array includes a magnetic member20. This magnetic member20is constituted such that, with the single-phase brushless motor at a stop, the centers of the permanent magnets31-34come to a stop at locations offsetted from the centers of the magnetic coils11-14, due to attraction of the magnetic member20by the magnet array.

REFERENCES:
patent: 4894572 (1990-01-01), Shiraki
patent: 5352946 (1994-10-01), Hoffman et al.
patent: 6072251 (2000-06-01), Markle
patent: 6265793 (2001-07-01), Korenaga
patent: 6316849 (2001-11-01), Konkola et al.
patent: 6770987 (2004-08-01), Sogard et al.
patent: 2004/0130236 (2004-07-01), Yonekura
patent: 2004/0178757 (2004-09-01), Petersen
patent: 2005/0218849 (2005-10-01), Sanglikar et al.
patent: 2005/0280386 (2005-12-01), Brown
patent: 2005/0285471 (2005-12-01), Chen et al.
patent: 19546145 (1996-06-01), None
patent: 54-054219 (1979-04-01), None
patent: 63-017572 (1988-02-01), None
patent: 63-17572 (1988-02-01), None
patent: 07-213041 (1995-08-01), None
patent: 07-213041 (1995-08-01), None
patent: 08-037787 (1996-02-01), None
patent: 08-182364 (1996-07-01), None
patent: 09-294389 (1997-11-01), None
patent: 2001-186743 (2001-07-01), None
patent: 2001-186743 (2001-07-01), None
patent: 2001-298982 (2001-10-01), None
patent: 2005-312240 (2005-11-01), None
patent: 2005-323471 (2005-11-01), None
patent: 2006-136194 (2006-05-01), None
patent: WO-03/084046 (2003-10-01), None
patent: WO-03/105317 (2003-12-01), None

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