Coolant loop for the rotor of a turbogenerator with a supercondu

Details Coolant loop for the rotor of a turbogenerator with a supercondu Coolant loop for the rotor of a turbogenerator with a supercondu

1978-03-27

1980-05-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 64, 310261, H02K 900

Patent

active

042041341

ABSTRACT:
A coolant circulatory loop for a turbogenerator rotor having a superconductive field winding and a damper and cold shielding surrounding the field winding, the field winding being cooled by deeply-cooled liquid helium, and the damper and cold shielding by an at least partly vaporized partial flow of helium that has flowed through the field winding, includes a mixing chamber, means for feeding liquid helium in forced circulation from the mixing chamber to the field winding wherein it is heated due to winding losses and pressure reduction and is partly evaporated, means located in the rotating rotor for recooling the non-evaporated helium by removing heat of vaporization therefrom and returning the thus recooled helium to the mixing chamber, cooling means external to the rotor for recooling the partial flow of helium after it has cooled the damper and cold shielding and means for feeding the recooled partial flow of helium back to the mixing chamber.

REFERENCES:
patent: 3648082 (1972-03-01), MacNab
patent: 3679920 (1972-07-01), MacNab
patent: 3942053 (1976-03-01), Abolins
patent: 3956648 (1976-05-01), Kirtley
patent: 4039870 (1977-08-01), Sterrett
patent: 4079273 (1978-03-01), Lambrecht
patent: 4082967 (1978-04-01), Caskaris
patent: 4091298 (1978-05-01), Gamble
patent: 4092555 (1978-05-01), Ting
patent: 4123676 (1978-10-01), Cooper

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