Heat exchange – Regenerator – Checker brick structure
Patent
1992-09-30
1994-08-09
Ford, John K.
Heat exchange
Regenerator
Checker brick structure
165 35, 165 36, 165 39, 165 40, 364157, 364165, 236 78D, F28F 2700, F28F 2702, G05D 2300
Patent
active
053357086
ABSTRACT:
A cooling apparatus has a heat exchanger for performing heat exchange between cooling water and fluid, and a flow rate regulator valve for regulating a flow rate of either the cooling water or the fluid which pass through the heat exchanger. A cooling temperature of the fluid is preset. A temperature of the cooled fluid is detected, and an opening degree of the flow rate regulator valve is changed when there is a difference between the detected temperature and the preset temperature. Simultaneously, either a temperature difference of the cooling water and the fluid or a flow rate of the cooling water is detected. The opening degree of the flow rate regulator valve is corrected or compensated on the basis of a result of the detection, thus enabling suitable temperature control of the fluid in accordance with a variation of the temperature or flow rate of the cooling water.
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Anderson, Norman A., Instrumentation for Process Measurement and Control, Chilton Company 3rd edition pp. 352-355 1980.
Murakami Kyoshiro
Yamashita Tetsuji
Yasuda Hiromu
Yoshikawa Tomio
Zushi Shizuo
Ford John K.
Hitachi , Ltd.
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