Oil passage structure of a cylinder head

Details Oil passage structure of a cylinder head Oil passage structure of a cylinder head

1992-03-03

1993-02-09

Kamen, Noah P.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder head

1231933, F02F 100

Patent

active

051845873

ABSTRACT:
A cylinder head is provided with bolt hole portions for permitting cylinder head bolts to attach the cylinder head to a cylinder block of an engine, and the height of the bearing surfaces of the bolt hole portions is set to a large value so that an oil passage extending in the longitudinal direction of the cam chamber of the engine is provided in the lower portion of the elevated bearing surfaces.

REFERENCES:
patent: 4497289 (1985-02-01), Bortolussi
patent: 4612885 (1986-09-01), Yoshikawa
patent: 4649873 (1987-03-01), Amano
patent: 4848292 (1989-07-01), Holtzberg
patent: 4955337 (1990-09-01), Kelly
patent: 5038732 (1991-08-01), Matayoshi et al.
patent: 5069176 (1991-12-01), Ruf et al.

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