Sealing system for piston rod of hot gas engine

Details Sealing system for piston rod of hot gas engine Sealing system for piston rod of hot gas engine

1979-01-25

1980-11-25

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 32, F16J 1524, F16K 3900

Patent

active

042354455

ABSTRACT:
An improvement to a sealing system for restricting fluid flow around a piston rod between a piston cylinder and crankshaft space in a hot gas engine where a seal element is secured around the piston rod in an intermediate chamber, the improvement including a link in the crankshaft space connecting, and permitting relative radial motion between, the piston rod and the crosshead and an O-ring having a diameter substantially greater than that of the piston rod and being secured between a lower ring securing the seal element in place around the piston rod and a wall of the intermediate chamber for frictionally restricting radial movement of the lower ring.

REFERENCES:
patent: 3284086 (1966-11-01), Primrose et al.
patent: 4083566 (1978-04-01), Bengtsson et al.
patent: 4146237 (1979-03-01), Bergman

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