STAND FOR TESTING SEALING UNITS BY CRYOGENIC LIQUIDS Russian patent published in 1999 - IPC

FIELD: testing sealing units by cryogenic liquids. SUBSTANCE: test stand is additionally provided with device for quick check of leakage of cryogenic liquid through drainage cavity of object under test; it is made in form of ejector. Ejecting cavity of ejector is brought in communication with adjustable high-pressure gas source. Working medium in gaseous state is used as gas. Cavity of ejector being ejected is brought in communication with drainage cavity of object under test. Gas flow meters are fitted at ejecting cavity inlet and set ejector outlet. EFFECT: possibility of checking leaks in the course of testing sealing unit. 2 dwg