Helium pressure seal for a cryogenic refrigerator

Details Helium pressure seal for a cryogenic refrigerator Helium pressure seal for a cryogenic refrigerator

F - Mech Eng,Light,Heat,Weapons

02

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62/128, 277/56

F02F 11/00 (2006.01) F16J 15/08 (2006.01) F16L 23/20 (2006.01)

Patent

CA 1317116

-15- HELIUM PRESSURE SEAL FOR A CRYOGENIC REFRIGERATOR Abstract of the Disclosure A pressure seal used for containing helium within a cryogenic refrigerator, which utilizes a linear drive assembly (5). A deformable gasket (30) is used to seal the enclosing elements of the linear drive assembly to reduce helium leakage. Concentrically serrated members (31, 32) compress onto opposite sides of the soft metal gasket (30) to form labyrinthine sealing grooves therein.

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