Title:
ULTRA-HIGH SPEED BRUSHLESS DC MOTOR
Document Type and Number:
WIPO Patent Application WO/1994/022206
Kind Code:
A1
Abstract:
This invention provides a brushless DC motor capable of ultra-high speed revolution by setting a gap length between a stator (1) and a portion of a rotor (2) having a metallic property to at least N5/6.p1/8.d.Kg.
Inventors:
TAKAHASHI ISAO (JP)
OOYAMA KAZUNOBU (JP)
YAMAGIWA AKIO (JP)
OOYAMA KAZUNOBU (JP)
YAMAGIWA AKIO (JP)
Application Number:
PCT/JP1994/000440
Publication Date:
September 29, 1994
Filing Date:
March 18, 1994
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
TAKAHASHI ISAO (JP)
OYAMA KAZUNOBU (JP)
YAMAGIWA AKIO (JP)
TAKAHASHI ISAO (JP)
OYAMA KAZUNOBU (JP)
YAMAGIWA AKIO (JP)
International Classes:
H02K1/27; H02K21/14; H02K29/00; (IPC1-7): H02K29/00
Foreign References:
| JPH03159533A | 1991-07-09 | |||
| JPS55120285U | 1980-08-26 | |||
| JPH02276431A | 1990-11-13 | |||
| JPH0223049A | 1990-01-25 | |||
| JPH01209942A | 1989-08-23 | |||
| JPH02119546A | 1990-05-07 | |||
| JPS63143055U | 1988-09-20 | |||
| JPS5846859A | 1983-03-18 |
Other References:
See also references of EP 0642210A4
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