Title:
AN EXTERNAL ROTOR BRUSHLESS DC MOTOR
Document Type and Number:
WIPO Patent Application WO2001028074
Kind Code:
A3
Abstract:
An external rotor brushless DC motor for use in a fan, or other similar application, the motor comprising: a stator assembly base having a base plate(21); a number of stator windings (7) affixed to the stator assembly base; and circuitry (5, 6) associated with the motor, wherein the base plate (21) is disposed between the circuitry and the stator windings.
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Inventors:
RIDDOCH HENRY (GB)
Application Number:
PCT/GB2000/003816
Publication Date:
November 15, 2001
Filing Date:
October 04, 2000
Export Citation:
Assignee:
NMB UK LTD (GB)
RIDDOCH HENRY (GB)
RIDDOCH HENRY (GB)
International Classes:
H02K5/18; H02K5/22; H02K7/14; F04D29/00; H02K9/06; H02K11/00; H02K11/04; H02K29/08; H02K5/10; (IPC1-7): H02K29/00; H02K11/04; H02K9/22; H02K7/14
Foreign References:
| DE4122529A1 | 1993-01-14 | |||
| US4982125A | 1991-01-01 | |||
| US4682065A | 1987-07-21 | |||
| DE19812729A1 | 1999-09-30 | |||
| EP0688093A1 | 1995-12-20 | |||
| US4818907A | 1989-04-04 | |||
| US5049769A | 1991-09-17 | |||
| GB2050525A | 1981-01-07 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 015, no. 277 (E - 1089) 15 July 1991 (1991-07-15)
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31)
PATENT ABSTRACTS OF JAPAN vol. 010, no. 141 (E - 406) 24 May 1986 (1986-05-24)
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31)
PATENT ABSTRACTS OF JAPAN vol. 010, no. 141 (E - 406) 24 May 1986 (1986-05-24)
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