Piston ring assembly for stirling engine

Details Piston ring assembly for stirling engine Piston ring assembly for stirling engine

1990-06-19

1992-07-28

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277136, 277138, 277197, 277216, F16J 916

Patent

active

051335646

ABSTRACT:
A piston ring assembly for use in a stirling engine, which includes main rings each having a slit and a slanted surface for preventing ring rotations against one another wherein the main rings are engaged in a ring groove disposed at the exterior of a piston, and a tensional ring having a slit and being engaged in the interior of the ring groove, whereby upon tightly contacting the main rings to the interior surface of a cylinder by a tensional force of the tension ring and preventing main ring rotations against one another by oppositely positioning the slanted surfaces, operational gas leakages are prevented and a good sealing effect for the stirling engine is achieved with fewer body parts.

REFERENCES:
patent: 1126898 (1915-02-01), Sorensen
patent: 1188713 (1916-06-01), Baker
patent: 1280493 (1918-10-01), Kurtz
patent: 1309609 (1919-07-01), Bryant
patent: 1369075 (1921-02-01), Ballman
patent: 1370342 (1921-03-01), Miller

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