ELECTRIC MACHINE COOLING SYSTEM AND METHOD

Title:

ELECTRIC MACHINE COOLING SYSTEM AND METHOD

Document Type and Number:

WIPO Patent Application WO/2011/156513

Kind Code:

A3

Abstract:

Embodiments of the invention provide an electric machine module including a housing defining a machine cavity. In some embodiments, an electric machine can be positioned within the machine cavity and include a rotor hub coupled to rotor laminations. The rotor hub can include first and second axial ends and the rotor laminations can include a recess. In some embodiments, the recesses can be aligned to define a portion of a plurality of coolant channels that can be in fluid communication with the machine cavity. In some embodiments, the rotor hub can include first and second rotor hub inlets in fluid communication with at least a portion of the coolant channels. The first and the second rotor hub inlets can be adjacent to the axial ends of the rotor hub. In some embodiments, the coolant channels are in fluid communication with the rotor hub inlets are not the same coolant channels.

Inventors:

CHAMBERLIN BRADLEY D (US)
BURGER CLEMENS (US)

Application Number:

PCT/US2011/039661

Publication Date:

April 05, 2012

Filing Date:

June 08, 2011

Export Citation:

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Assignee:

REMY TECHNOLOGIES LLC (US)
CHAMBERLIN BRADLEY D (US)
BURGER CLEMENS (US)

International Classes:

H02K1/32; H02K9/19

Foreign References:

KR20090048028A	2009-05-13
KR970055103A	1997-07-31
JP2007282341A	2007-10-25
JPH0946973A	1997-02-14

Other References: