Motor cooling

Details Motor cooling Motor cooling

1998-10-15

2000-12-26

Doerrler, William

Refrigeration

Air compressor, cooler and expander type

Motor-type expander

310 60A, 310 60R, F25D 900, H02K 900, H02K 906

Patent

active

061640840

ABSTRACT:
An electric motor assembly e.g. for an air cycle air conditioning apparatus comprises stator windings and a rotating member mounted for rotation about a motor axis and wherein, the stator windings comprise therethrough at least one axially extending passage, and there being means to connect the passage to a source of cooling gas, whereby as the cooling gas flows along the axially extending passage the motor assembly is cooled.

REFERENCES:
patent: 4219746 (1980-08-01), Butler, III
patent: 4295518 (1981-10-01), Rannenberg
patent: 5113670 (1992-05-01), McAuliffe et al.
patent: 5703421 (1997-12-01), Durkin
patent: 5747900 (1998-05-01), Nakamura et al.
Patent Abstract of Japan publication No. 06261510; publication date Sep. 16, 1994; Applicant Nissan Motor Co Ltd.; title "Reluctance Motor".
Patent Abstract of Japan publication No. 01069239; publication date Mar. 15, 1989; Applicant Toshiba Corp.; title "Rotary Electric Machine For Vehicle".
Patent Abstract of Japan publication No. 08324231; publication date Oct. 10, 1996; Applicant Suzuki Motor Corp; title "Cooling System Of Air-Conditioning Motor Or Electric Vehicle".

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