Cylinder head for internal combustion engine

Details Cylinder head for internal combustion engine Cylinder head for internal combustion engine

1990-04-20

1991-08-27

Dolinar, Andrew M.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123193CH, F02B 2300

Patent

active

050424408

ABSTRACT:
A cylinder head for an internal combustion engine has a substantially greater height than conventional cylinder heads, and intake and exhaust ports which extend angularly upwardly in the head from the combustion chamber to a respective surface of the head. Intake and exhaust valves are provided in the head for controlling flow through the intake and exhaust ports, and the valves are tilted both longitudinally and laterally with respect to the head. The intake and exhaust ports are skewed in the head to closely align the axes of the ports with the angle of the respective valves. Valve operating components are recessed into the top surface of the head, enabling a flat valve cover to be used for enclosing the valve operating components. The invention is particularly directed to a cylinder head having a generally wedge-shaped combustion chamber, and the height of the head in a specific construction is about six inches, with the intake ports angled upwardly at about 30.degree. and the exhaust ports angled upwardly at about 60.degree.. The ports are longer and straighter in the head of the invention than in conventional heads, resulting in improved flow of intake and exhaust gases.

REFERENCES:
patent: 4686948 (1987-08-01), Smith et al.
patent: 4699092 (1987-10-01), Ruf et al.
patent: 4763619 (1988-08-01), Eitel et al.
patent: 4883030 (1989-11-01), Tanahashi et al.
patent: 4938183 (1990-07-01), Field et al.

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