Cylinder head gasket with retaining ring and spring seal

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277235B, F16T 1506

Patent

active

055054668

ABSTRACT:
A multiple sealing system for an engine gasket utilizes a retaining ring and a spring energized seal disposed within an annular U-shaped flange adjacent a gasket body. The spring energized seal acts as a primary seal against combustion gases under all engine operating conditions. The retaining ring acts as a positive mechanical stop for the spring energized combustion seal, protects the spring energized combustion seal from thermally induced crushing, and acts as a secondary seal against combustion gases. The U-shaped flange positions and supports the seals relative to the gasket body.

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