Title:
SLOTLESS ELECTRICAL MACHINE WITH CONCENTRATED WINDING
Document Type and Number:
WIPO Patent Application WO/2015/052432
Kind Code:
A3
Abstract:
The present invention concerns an electrical machine comprising a tubular rotor magnetised to have circumferential polar alternations, and a stator comprising a body (4) that is traversed by a channel (16) having an inner transverse section that substantially corresponds to the outer transverse section of said rotor, said body (4) carrying a plurality of windings (5a to 5c), said stator being surrounded by an outer ferromagnetic envelope (2), characterised in that said body (4) is extended by three, four or six radial projections made from an electrically insulating material having, in the transverse cross section, a longitudinal core (20 to 22) for receiving a winding, said core (16) being extended by a peripheral extension (30 to 32) having an outer surface that matches the inner surface of said envelope (2) and covers the wound area. The invention also concerns a method for producing such an electrical machine.
Inventors:
BIWERSI STÉPHANE (FR)
BILLET LIONEL (FR)
BILLET LIONEL (FR)
Application Number:
PCT/FR2014/052545
Publication Date:
October 29, 2015
Filing Date:
October 07, 2014
Export Citation:
Assignee:
MOVING MAGNET TECH (FR)
International Classes:
H02K1/14; H02K1/27; H02K3/34; H02K3/52
Foreign References:
| GB2172444A | 1986-09-17 | |||
| US3546507A | 1970-12-08 | |||
| US3747320A | 1973-07-24 | |||
| FR2375640A1 | 1978-07-21 |
Other References:
See also references of EP 3055920A2
Attorney, Agent or Firm:
BREESE, Pierre (Tour PRISMA4/6 avenue d'Alsace, Paris La Défense, FR)
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