Uniformly-cooled superconducting rotor

Details Uniformly-cooled superconducting rotor Uniformly-cooled superconducting rotor

1976-03-31

1978-04-04

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 10, H02K 132

Patent

active

040829677

ABSTRACT:
A superconducting rotor for an electrical machine is divided into three chambers, each of the two outer chambers being encircled by thermal distance extensions. Excess cryogenic coolant vapor due to coolant pool boiling in the center chamber of the rotor is released to a circumferential heat exchanger of larger diameter than the thermal distance extensions, warmed therein to ambient temperature, and returned to be reliquefied, thus avoiding thermal distance extension overcooling and attendant adverse mechanical consequences.

REFERENCES:
patent: 3626717 (1971-12-01), Lorch
patent: 3665229 (1972-05-01), Lorch
patent: 3745389 (1973-07-01), Lorch
patent: 3809933 (1974-05-01), Sugawara
patent: 3816780 (1974-06-01), Smith
patent: 3942053 (1976-03-01), Abolins
A. Betan, M.I.T. PH.D Thesis, Improved Thermal Design of Cryogenic System for Superconducting Synchronous Generator, 12/20/74, pp. 148-155.

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