F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
45/16, 62/31, 31
F04B 49/00 (2006.01) F04C 29/00 (2006.01) H02K 1/27 (2006.01) H02K 15/03 (2006.01) H02K 29/08 (2006.01) H02P 6/24 (2006.01)
Patent
CA 1322454
Abstract: Here is disclosed an air conditioner comprising a scroll type compressor and a brushless DC motor having a rotor provided with a permanent magnet and a stator provided with a sensor adapted to detect a relative position of said rotor and said stator. Here is additionally disclosed an air conditioner in which the rotor of the brushless DC motor comprises a permanent magnet basically made of rare earth elements inclusive of yttrium, transition metal and boron and a driving circuit for the motor includes a braking circuit adapted to excite coils of the motor and thereby to block the rotor against a reverse rotation.
586990
Endo Kenichi
Seto Takeshi
Shimoda Tatsuya
Takagi Nobukazu
Yamaha Yoshikazu
Diesel Kiki Co. Ltd.
Macrae & Co.
Seiko Epson Corporation
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