Seal arrangement to provide a seal along two surfacial rims that

Details Seal arrangement to provide a seal along two surfacial rims that Seal arrangement to provide a seal along two surfacial rims that

1997-09-19

1999-08-10

Reichard, Lynne

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal between parts of internal combustion engine

123195C, F02F 1100

Patent

active

059346868

ABSTRACT:
A seal arrangement provides a reliable and durable seal even around a protruding edge or corner of a rim of a first component that is connected to a second component, for example the rim of an oil pan that is connected to the rim of a crankcase and the rim of the housing of an equipment mount of an internal combustion engine. An angular edge is formed at the intersection of a first sealing surface between the oil pan and the crankcase and a second sealing surface between the oil pan and the equipment mount housing. First and second grooves extend in skew directions and offset from one another along the first and second sealing surfaces, and an offset recess extends along and in the direction of the intersection edge to interconnect the first and second grooves. A rubber-elastic seal member includes major portions received in the grooves and an offset portion received in the offset recess. The seal member is press-sealed against facing complementary surfaces. The local pressing forces applied to the seal member at any location are substantially perpendicular to the local axial extension direction of the seal member, and are supported or backed-up by respective surfaces of the grooves and of the offset recess.

REFERENCES:
patent: 2753827 (1956-07-01), Sabin
patent: 4394853 (1983-07-01), Lopez-Crevillen et al.
patent: 4597583 (1986-07-01), Inciong et al.
patent: 4669432 (1987-06-01), Harada
patent: 4770276 (1988-09-01), Takubo
patent: 5218938 (1993-06-01), Miller et al.
patent: 5222745 (1993-06-01), Akbar et al.
patent: 5853176 (1998-12-01), Kiriyama

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