Sealing apparatus for an internal combustion engine

Details Sealing apparatus for an internal combustion engine Sealing apparatus for an internal combustion engine

1991-03-13

1991-12-17

Kamen, Noah P.

Internal-combustion engines

Cooling

Air-cooled

123193CH, 277235B, F02F 106

Patent

active

050726978

ABSTRACT:
A cylinder block of an internal combustion engine, and in particular of a Harley-Davidson motorcycle engine, including improved sealing between the block and a secured cylinder head, and which is interchangeable with an original-equipment block. A nipple communicating with a fluid passage in the block protrudes from the block's top surface for being received by a fluid passage bore in the cylinder block head when the block end head are assembled, and sealing means is carried by the nipple for being received by and sealingly seating against the fluid passage bore in the head. The compression gasses from the cylinder bore are sealed off by a malleable annulus retained on the block's top surface about the cylinder bore and compressed between such surface and the head's bottom surface when the block is secured to the head.

REFERENCES:
patent: 1972814 (1934-09-01), Anderson
patent: 2358228 (1944-09-01), Hoof
patent: 3209659 (1965-10-01), Colwell
patent: 3363608 (1968-01-01), Scherenberg et al.
patent: 3765385 (1973-10-01), Conrad
patent: 3843141 (1974-10-01), Kuhn
patent: 4462343 (1984-07-01), Eckert
patent: 4513703 (1985-04-01), Eckert
patent: 4638769 (1987-01-01), Ballheimer
patent: 4791891 (1988-12-01), Kubis et al.
patent: 4836158 (1989-06-01), Panzica
PCT International Application WO 89/03520, Thomas et al., dated Apr. 20, 1989.

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