Heat exchange – Movable heating or cooling surface – Rotary drum
Patent
1987-01-07
1989-04-04
Davis, Jr., Albert W.
Heat exchange
Movable heating or cooling surface
Rotary drum
165 47, 324318, 335300, 336 57, 336 61, 336 62, 174 151, F25B 2900, G01V 300, H01F 500, H01F 2708
Patent
active
048177067
ABSTRACT:
A coil designed for providing a highly uniform magnetic field suitable for use in nuclear magnetic resonance computer-aided tomography is provided with preheating apparatus which uses forced circulation of warmed liquid along the path normally circulated with the cooling liquid whereby there are simulated the normal operating coil heating conditions even when the coil is not operating so that the start-up stabilization time can be shortened.
REFERENCES:
patent: 2975308 (1961-03-01), Kilbourne et al.
patent: 3935488 (1976-01-01), Spirk et al.
patent: 4587492 (1986-05-01), Laudermilch
patent: 4660013 (1987-04-01), Laskaris et al.
Harumi Miyama
Ono Haruo
Davis Jr. Albert W.
Ford John K.
Fuji Electric & Co., Ltd.
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