Liquid coolant circulation control system for immersion cooling

Details Liquid coolant circulation control system for immersion cooling Liquid coolant circulation control system for immersion cooling

1994-09-29

1995-10-17

Wayner, William E.

Heat exchange

Structural installation

622592, 361699, 417 442, F04B 1704

Patent

active

054581850

ABSTRACT:
A liquid coolant circulation control system that minimizes the requisite feed pressure and keeps the flow rate of a liquid coolant constant includes a casing accommodating electronic circuits to be immersed in and cooled by a liquid coolant, a feed pump for feeding the liquid coolant to the casing, and a collecting pump for collecting the liquid coolant from the casing. A first measuring meter, interposed between the feed pump and the casing, measures a flow rate and/or a pressure of the liquid coolant flowing into the casing. A second measuring meter, interposed between the casing and the collecting pump, measures a flow rate and/or a pressure of the liquid coolant flowing out of the casing. A determining section calculates a difference or differences between the two flow rates and/or pressures. The determining section sends this information to a control section. The control section controls the output of one or both pumps, so that the difference or differences remain at a predetermined value. The liquid coolant circulation control system is also provided with a heat exchanger that cools the liquid coolant to a predetermined temperature, and a buffer tank that absorbs an increase or decrease in the volume of the liquid coolant.

REFERENCES:
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patent: 4795314 (1989-01-01), Prybella et al.
patent: 4898231 (1990-02-01), Miyazaki
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patent: 4928207 (1990-05-01), Chrysler et al.
patent: 5131233 (1992-07-01), Cray et al.
patent: 5240380 (1993-08-01), Mabe
patent: 5318106 (1994-06-01), Dorini et al.

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