Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1992-09-09
1994-09-13
Peckman, Kristine L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 54, 310 61, H02K 1100, H02K 900, H02K 919, H02K 132
Patent
active
053471881
ABSTRACT:
The present invention is a liquid cooled electric machine (10) having enhanced cooling of the end turns (22) by providing intimate contact between the end turns and coolant fluid flowing through a first annular flow channel (34) and a second annular flow channel (50). Furthermore, a cylindrical liner (62) which is force fit within the annulus of the stator 12 forms part of the first and second annular flow channels and further provides support against radially inward deflection of the end turns (22). Furthermore, the invention is a cooling system (200) for an exciter generator in a self-excited electric power generator which has a liquid coolant circuit (216) which splits coolant flow between an inside surface (222) of a fullwave rectifier assembly (214) and an outside surface (226) of the fullwave rectifier assembly which absorbs heat from the rotor of the exciter generator.
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Collings Roger J.
Iseman Walter J.
Murray Patrick J.
Schneider Michael G.
Schumacher William
LaBelle C.
Peckman Kristine L.
Sunstrand Corporation
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