Title:
ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2010/100463
Kind Code:
A3
Abstract:
An electric machine (10) comprising a permanent-magnet rotor (11) and a stator (12). The stator (12) comprises a plurality of poles(18,19), each pole having a leading edge (27) and a trailing edge (28) relative to the direction of rotation of the rotor (11). The leading edge (27) of each pole (18,19) is thicker than the trailing edge (28) in a direction normal to the rotational axis of the rotor (11).
Inventors:
GREETHAM STEPHEN (GB)
CLOTHIER ANDREW (GB)
CLOTHIER ANDREW (GB)
Application Number:
PCT/GB2010/050299
Publication Date:
October 06, 2011
Filing Date:
February 22, 2010
Export Citation:
Assignee:
DYSON TECHNOLOGY LTD (GB)
GREETHAM STEPHEN (GB)
CLOTHIER ANDREW (GB)
GREETHAM STEPHEN (GB)
CLOTHIER ANDREW (GB)
International Classes:
H02K29/03; H02K1/14; H02K21/18
Foreign References:
| JPS60128483U | 1985-08-29 | |||
| EP1261101A2 | 2002-11-27 | |||
| GB2010593A | 1979-06-27 | |||
| US4095130A | 1978-06-13 | |||
| JP2000092755A | 2000-03-31 | |||
| JP2003153471A | 2003-05-23 | |||
| JPS52147713A | 1977-12-08 | |||
| EP0848481A2 | 1998-06-17 |
Attorney, Agent or Firm:
LOBBAN, Colin et al. (Intellectual Property DepartmentTetbury Hill,Malmesbury, Wiltshire SN16 0RP, GB)
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