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US 7,064,463 B2Granted
Dynamoelectric machine with embedded heat exchanger
AssigneeWavecrest Laboratories, LLC
InventorsKaiser Matin, Mark A. Benson, Mansour Peyghaleh
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AssigneeWavecrest Laboratories, LLC
InventorsKaiser Matin, Mark A. Benson, Mansour Peyghaleh
Estimating the term…
A dynamoelectric machine, having a stator and rotor, is enclosed in a sealed housing. An impeller fixed to the rotor shaft creates air circulation through the housing and machine components for contact with one or more sealed containers of a coolant medium. The sealed container provides heat transfer from the circulated air through evaporation of the coolant medium. The sealed container has one closed end located within the housing and another closed end external to the housing. Heat from the evaporated coolant medium is transferred to the environment external to the housing through condensation of the vapor at the external end of the container. The sealed container may be stationary or rotatable with the rotor shaft. A plurality of heat transfer containers may be provided.
A method for cooling a motor during operation wherein said motor comprises a stator and rotor separated by an air gap and located within a sealed housing, a shaft mechanically coupled to said rotor and extending from said rotor through said housing wherein a sealed pipe with two closed ends is secured to the external perimeter of said shaft having at least some coolant medium contained inside said sealed pipe, wherein one closed end of the sealed pipe extends through the perimeter of said housing, said method comprising:
A motor comprising:
Dependencies are inferred from the claim text.