Apparatus and method for actively cooling instrumentation in a h

Details Apparatus and method for actively cooling instrumentation in a h Apparatus and method for actively cooling instrumentation in a h

1996-05-10

1997-12-30

Tanner, Harry B.

Refrigeration

Automatic control

Vacuumized chamber with open outlet

622592, 62260, 16510421, 16510433, F25B 1900

Patent

active

057017514

ABSTRACT:
An apparatus and method are disclosed for actively cooling instrumentation, in particular electronic circuits, in especially, high temperature environment. This apparatus has a tank containing a cooling agent, a heat exchanger to transfer heat from the instrumentation to the cooling agent, a compressor and a tank to hold cooling agent removed from the first tank. In this operation, the cooling agent tank is located in close proximity to the instrumentation. As the instruments generate heat, the heat is transferred through the heat exchanger to the cooling agent. The cooling agent boils and vaporizes from the heat and is pumped out of the tank by a compressor. As the cooling agent vaporizes and is pumped out of the tank, heat contained in the cooling agent is transferred out of the tank as well. The rate at which the vapor is pumped out of the tank controls the temperature of the cooling agent in the tank. The vapor is compressed under pressure and pumped to a storage tank where the vapor condenses back to a liquid.

REFERENCES:
patent: 2671323 (1954-03-01), Richert
patent: 2711084 (1955-06-01), Bergan
patent: 5265677 (1993-11-01), Schultz
patent: 5522452 (1996-06-01), Mizuno et al.

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