Pressurized air-cooled rotating electrical machine and...

Details Pressurized air-cooled rotating electrical machine and... Pressurized air-cooled rotating electrical machine and...

H - Electricity

02

K

H02K 9/00 (2006.01) G05D 16/20 (2006.01)

Patent

CA 2510073

A pressurized air-cooled rotating electrical machine (10) comprising a housing (18), and a rotor (12) and stator (14) disposed within the housing (18) driven by a shaft (16) is provided. The pressurized air-cooled rotating electrical machine (10) also comprises a compressor (28) operable to pressurize air within the housing (18) to increase the volumetric heat capacity of the air within the housing (18). The rotating electrical machine (10) may also have a temperature feedback device (36) disposed within the housing (18) to provide a signal representative of temperature within the housing (18). The pressurized air-cooled rotating electrical machine (10) may also comprise a pressure sensor (38) operable to detect air pressure within the housing (18). A controller (32) may be coupled to the temperature feedback device (36) and the compressor (28) to regulate the air pressure inside the rotating electrical machine (10) based on the temperature within the rotating electrical machine (10).

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