Combined intake-exhaust gasket for internal combustion engines

Details Combined intake-exhaust gasket for internal combustion engines Combined intake-exhaust gasket for internal combustion engines

1986-09-02

1987-06-30

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 22, F16J 1512

Patent

active

046765140

ABSTRACT:
A combined intake-exhaust gasket for internal combustion engines comprising a gasket plate which has at least one metallic intermediate layer arranged between two outer metallic layers and in which at least one exhaust-outlet opening and one intake opening adjacent thereto are provided, each of which is limited by a sealing element. In order to seal the intake opening by means of an elastomeric sealing ring but also protect this ring from the high exhaust temperatures and mechanical wear and tear, the sealing element of the intake opening has a sealing ring which is made of elastomeric material and limits this opening as well as a web-like metallic support member which is secured to the sealing ring, projects outwardly therefrom in radial direction and is inserted loosely between the outer layers of the gasket plate. The intermediate layer has a recess which is located in the region between exhaust-outlet opening and intake opening and faces the latter and so the intermediate layer terminates in this region at a distance from the support member of the sealing element for the intake opening. This creates an air cushion between the outer layers of the gasket plate which is adjacent the support member in the direction facing the exhaust-outlet opening.

REFERENCES:
patent: 1814283 (1931-07-01), Braner
patent: 3433490 (1969-03-01), Teucher et al.
patent: 3866926 (1975-02-01), Traum
patent: 4312512 (1982-01-01), Conte et al.

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