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Patent Searching and Data


Title:
ROTOR FOR AN ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2010/023106
Kind Code:
A3
Abstract:
The invention relates to a synchronous machine with hybrid energisation, in particular a generator for supplying the electrical system of a motor vehicle, comprising a laminated stator (16) with a multi-phase stator winding (18) and a laminated rotor (20) with an energiser winding (29), which together with permanent magnets (24,25) around the rotor periphery, provides the energisation for the machine. According to the invention, favorable electrical and magnetic properties and an improvement in manufacturing conditions of the machine can be achieved, wherein the grooves (40) for the energiser windings (29) are disproportionately enlarged in relation to the groove base (44) and are preferably bell-shaped.

Inventors:
REUTLINGER KURT (DE)
HEIDRICH MARKUS (DE)
Application Number:
PCT/EP2009/060463
Publication Date:
March 17, 2011
Filing Date:
August 13, 2009
Export Citation:
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Assignee:
BOSCH GMBH ROBERT (DE)
REUTLINGER KURT (DE)
HEIDRICH MARKUS (DE)
International Classes:
H02K1/22; H02K1/24; H02K3/34; H02K1/27; H02K3/30; H02K3/487; H02K21/16
Foreign References:
JPS61129474U1986-08-13
EP0741444A11996-11-06
EP1850456A22007-10-31
Other References:
See also references of EP 2319159A2
Attorney, Agent or Firm:
ROBERT BOSCH GMBH (Stuttgart, DE)
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