Hot gas engine comprising sealing means around piston rods

Details Hot gas engine comprising sealing means around piston rods Hot gas engine comprising sealing means around piston rods

1978-12-21

1981-03-24

Gill, James J.

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...

92165R, F02G 1043

Patent

active

042572304

ABSTRACT:
Oil-tight flexible partitions are provided to prevent oil leakage to the working gas of a Stirling cycle engine along the piston rods from oil-lubricated reciprocating seals. The upper and lower chambers formed in part by the flexible partitions are interconnected through an oil filter for preventing oil leakage to the upper chambers while minimizing the pressure differential across the flexible partitions by allowing gas flow between the upper and lower chambers.

REFERENCES:
patent: 3568436 (1971-03-01), Heffner et al.
patent: 3667348 (1970-04-01), Neelen
patent: 3848877 (1974-11-01), Bengtsson et al.
patent: 4055952 (1977-11-01), Johansson et al.

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