Seal arrangement for an integral stirling cryocooler

Details Seal arrangement for an integral stirling cryocooler Seal arrangement for an integral stirling cryocooler

1990-07-10

1994-06-07

Jordan, Charles T.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Unit of mass is a gas which is heated or cooled in one of a...

62 6, F02G 104, F25B 900

Patent

active

053178742

ABSTRACT:
The seal bellows of a Stirling cycle device is connected between the bottom of a reciprocating piston and a cylinder wall to form a buffer space between the cycle working space and the lubricated crankcase. The piston and cylinder wall form a noncontact clearance seal between the buffer space and the working space in which an expander piston has a vented clearance seal to reduce the thermal loss due to cold gas leaking along the clearance seal.

REFERENCES:
patent: 4532766 (1985-08-01), White et al.
patent: 4620418 (1986-11-01), Fujiwara et al.

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