Structure of head cover

Details Structure of head cover Structure of head cover

1994-09-06

1995-09-26

Yuen, Henry C.

Internal-combustion engines

Poppet valve operating mechanism

Lubrication

123195C, F01M 910

Patent

active

054526906

ABSTRACT:
The structure of a head cover mounted on a cylinder head of an engine, wherein an upper plate portion of the head cover is dented at respective regions corresponding to mounting locations of a plurality of spark plugs, whereby the head cover has the upper plate portion formed with dented grooves; the dented grooves have bottom plate portions defined with spark plug insertion-through-portions; the upper plate portion is formed with coil-mounting portions for ignition coils on both sides of the spark plug insertion-through-portions in the longitudinal direction parallel to the axis of a crank shaft; one side of the upper plate portion, which is defined with the coil-mounting portions, in a transverse direction perpendicular to the axis of the crank shaft, is dented to provide communication grooves which intercommunicate the dented grooves. The communication grooves terminate at a peripheral flange portion of the head cover at one of the ends of the head cover in the longitudinal direction parallel to the axis of the crank shaft.

REFERENCES:
patent: 4993375 (1991-02-01), Akihiko
patent: 5003958 (1991-04-01), Yoneyama et al.
patent: 5129371 (1992-07-01), Rosalik, Jr.
patent: 5228420 (1993-07-01), Furuya et al.
patent: 5255647 (1993-10-01), Kiczek
patent: 5311847 (1994-05-01), Boehning
patent: 5323740 (1994-06-01), Daily et al.
patent: 5323745 (1994-06-01), Sato et al.

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