Substantially zero leakage path sealing assembly with additional

Details Substantially zero leakage path sealing assembly with additional Substantially zero leakage path sealing assembly with additional

1990-06-18

1991-07-02

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277165, 277198, 277217, 277222, F16J 904

Patent

active

050280554

ABSTRACT:
This invention relates to a fluid sealing mechanism for the inside diameter and or the outside diameter of a piston-cylinder arrangement. This device results in substantially zero seal leakage path with low differential seal pressure required using only one piston ring, one ring groove, and very loose dimensional tolerances required on both the ring and related groove. This yields an inexpensive more positive seal for fluid piston-cylinder configuration used in industrial, commercial, and personal use. This invention further relates to a bi-directional sealing assembly wherein one or more of the sealing rings are used in combination with a compression spring.

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