Metal gasket with fluid hole sealing sevices

Details Metal gasket with fluid hole sealing sevices Metal gasket with fluid hole sealing sevices

1991-06-12

1992-09-22

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277233, 277234, 277236, F16J 1508

Patent

active

051491109

ABSTRACT:
The metal gasket of the invention is installed in an internal combustion engine. The engine includes a plurality of cylinder bores and bolt holes, and at least first and second fluid holes. The first fluid hole is located in an area surrounded by imaginary lines linking between the centers of the bolt holes along the outer periphery of the gasket, and the second fluid hole is located outside the area surrounded by the imaginary lines. The gasket is basically formed of a first metal plate and includes a plurality of holes corresponding to the cylinder bores, bolt holes and first and second fluid holes. The first metal plate includes a first bead around the first fluid hole, and a second bead around the second fluid hole. The height of the second bead may be less than the height of the first bead. The second bead may have a spring constant less than that of the first bead. Therefore, when the gasket is tightened, the first bead is sufficiently compressed to seal around the same. Other metal plates may be laminated with the first metal plate to form a steel laminate gasket. The first and second beads may be formed on the different plates.

REFERENCES:
patent: 4480844 (1984-11-01), Kozerski
patent: 4721315 (1988-01-01), Ueta
patent: 4759556 (1988-07-01), Udagawa
patent: 4915398 (1990-04-01), Kitagawa
patent: 4948153 (1990-08-01), Takahashi et al.
patent: 4971338 (1990-11-01), Udagawa
patent: 5004250 (1991-04-01), Udagawa
patent: 5022664 (1991-06-01), Kitada et al.

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