Three-layer gasket with primary and secondary sealing element

Details Three-layer gasket with primary and secondary sealing element Three-layer gasket with primary and secondary sealing element

1998-03-03

2000-07-18

Knight, Anthony

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

277595, F16J 1508, F02F 1100

Patent

active

060895721

ABSTRACT:
An improved three layer metal gasket is disclosed incorporating both primary and secondary combustion seals for increased combustion seal area durability. The gasket has three plates, a first plate, a second plate, and a third plate. The first and third plates have opposed sealing beads that form the secondary combustion seal. The first and second plates cooperate to position the primary combustion seal and the secondary combustion seal along a central axis such that in operation the opposed sealing beads compress equally, thereby further improving the durability of the combustion area of the gasket. The gasket may further include a fluid seal. Specialized coatings may be used to enhance the sealability of both primary and secondary combustion seals and the fluid seal.

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