Combustion chamber and valve operating mechanism for multi-valve

Details Combustion chamber and valve operating mechanism for multi-valve Combustion chamber and valve operating mechanism for multi-valve

1989-05-26

1991-12-10

Argenbright, Tony M.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 9023, 123 9027, 123315, 123432, F02F 136, F01L 126

Patent

active

050708244

ABSTRACT:
A number of embodiments of multiple valve internal combustion engines embodying a single camshaft for operating all of the multiple valves. The cylinder head is configured in such a way that it is reinforced across the center of the cylinder head by a bridging member and this bridging member can form a bearing surface for a center lobe of the camshaft. The camshaft is offset toward one side of the cylinder head and operates the valves through a plurality of rocker arms. In some embodiment, the rocker arms are journaled on a cam cover upon rocker arm shafts formed with reliefs aligned with openings in the cam cover for passing components such as a spark plug or a fastener for securing the cam cover to the cylinder head. Both single and multiple cylinder embodiments are disclosed.

REFERENCES:
patent: 4660529 (1987-04-01), Yoshikawa
patent: 4671222 (1987-06-01), Gallot et al.
patent: 4741302 (1988-05-01), Oda et al.
patent: 4748946 (1988-06-01), Fujii et al.

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