Method and apparatus for cooling a winding in the rotor of an el

Details Method and apparatus for cooling a winding in the rotor of an el Method and apparatus for cooling a winding in the rotor of an el

1977-09-02

1981-07-07

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 45, 310215, 310261, H02K 324

Patent

active

042777054

ABSTRACT:
Means for cooling a winding in the rotor of an electrical machine that is cooled by a flow of liquefied gas. The winding is covered by a heat conductive sheath that transfers the heat developed in the winding to a pool of the liquefied gas. The winding and conductive sheath are insulated by a thermal shield from sources of heat exterior to the winding. The winding and the conductive sheath have a support structure that is provided with cooling channels through which the liquefied gas flows. These channels allow the other components of the rotor to be cooled independently from the winding.

REFERENCES:
patent: 2190887 (1940-02-01), Schaeren
patent: 3130335 (1964-04-01), Rejda
patent: 3471726 (1969-10-01), Burnier
patent: 3590327 (1971-06-01), Thomae
patent: 3679920 (1972-07-01), MacNab
patent: 3742265 (1973-06-01), Smith
patent: 3983427 (1976-09-01), Ulke
patent: 3991333 (1976-11-01), Laskaris
patent: 4001616 (1977-01-01), Lonseth
patent: 4001616 (1977-01-01), Lonseth
patent: 4081776 (1978-03-01), Hisamoto
patent: 4085343 (1978-04-01), Hasegawa

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