Miniature low-vibration active cooling system with conical rotary compressor

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United States of America Patent

PATENT NO 9776739
SERIAL NO

14837736

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Abstract

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A system for cryocooling an optical sensor on a satellite to a temperature below 200K with minimal vibration comprising a miniature conical rotary screw compressor comprising an inner element configured to only rotate around a first stationary axis and an outer element configured to only rotate around a second stationary axis so that both elements revolve with minimal vibration; with at least one of a) a length of at least one of the inner element and the outer element is between 10 mm and 50 mm; b) a diameter of at least one of the inner element and the outer element is between 2 mm and 25 mm; c) a compression ratio of the rotary screw compressor is between 1:2 and 1:20; and d) a shaft speed of the conical rotary screw compressor is between 6001 and 20000 revolutions per minute.

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Patent Owner(s)

Patent OwnerAddress
HOERBIGER WIEN GMBHSEESTADTSTRASSE 25 VIENNA 1220

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dmitriev, Oleg Edinburgh, GB 5 9
Tabota, Evgenii Moscow, RU 2 2

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