Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1990-06-15
1992-02-25
Stephan, Steven L.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 52, 310 64, 310 59, H02K 900
Patent
active
050916661
ABSTRACT:
Electrical machines, such as electrical power generators, motors and the like, include an especially adapted cooling system for removing heat generated in the electromagnetic core during operation. The cooling system preferably includes a number of thermally conducting laminations interposed between predetermined ones of the core laminations that form the electromagnetic core. The thermally conducting laminations thereby establish a preferential solid path of thermal conductance so that heat generated in one region of the core may be conducted to another region of the core. Preferably, the thermally conducting laminations are formed of a nonmagnetic material. A thermal collector having at least comparable thermal conductivity properties as the thermally conducting laminations is provided at the othe region of the core so as to collect heat conducted thereto by the thermally conducting laminations. Coolant passageways are defined by the thermal collector so that circulation of a coolant fluid (e.g., a coolant liquid) therewithin will remove the collected heat and thereby cool the core.
REFERENCES:
patent: 4208597 (1980-06-01), Mulach et al.
patent: 4360750 (1982-11-01), Pohl
patent: 4644210 (1987-02-01), Meisner et al.
General Electric Company
Nguyen Matthew
Stephan Steven L.
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