DEVICE FOR CHECK-UP OF LEAK-PROOFNESS OF VESSELS OPERATING IN VACUUM AT LOW TEMPERATURES Russian patent published in 2001 - IPC

Abstract RU 2172480 C2

FIELD: test equipment, applicable in check-up of leak-proofness of fuel tanks of launch vehicles operating in vacuum. SUBSTANCE: the device has a test chamber for accommodation of the vessel to be tested communicating with the liquid refrigerant feed and vent pipelines and with the test gas feed pipeline, leak detector, pressure gauge, level gauge, the tested vessel is enveloped from all sides by a freezing screen with slots communicating with the refrigerant coolant feed and discharge pipelines. EFFECT: enhanced accuracy of leak- proofness test. 2 dwg

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RU 2 172 480 C2

Authors

Zamjatin P.P.

Dates

2001-08-20—Published

1999-09-27—Filed