Cylinder head for a water-cooled internal combustion engine

Details Cylinder head for a water-cooled internal combustion engine Cylinder head for a water-cooled internal combustion engine

1986-07-07

1988-11-22

Wolfe, Jr., Willis R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123193CH, F02F 142

Patent

active

047857730

ABSTRACT:
A cylinder head for a water-cooled internal combustion engine has a lower and an upper cylinder head portion fitting over one another along a parting plane traversing cooling chambers complementally formed in the lower and upper cylinder head portions. The lower cylinder head portion has intake and exhaust ports and is tightened to a cylinder block. The upper cylinder head portion carries a valve operating assembly of the engine. A cylinder head cover is situated above the upper cylinder head portion and covers the valve operating assembly. The lower cylinder head portion has a circumferential lower wall bounding a liquid-guiding chamber provided in the lower cylinder head portion and serving for returning oil from the upper cylinder head portion. The lower cylinder head portion also has a circumferential upper wall constituting an upward continuation of the lower wall and extending from the intake and exhaust ports. The circumferential upper wall has a circumferential seating face supporting the cylinder head cover. The upper cylinder head portion is not in a direct contact with the cylinder head cover.

REFERENCES:
patent: 3096750 (1963-07-01), Bouvy et al.
patent: 4167207 (1979-09-01), Rao et al.
patent: 4300494 (1981-11-01), Graiff et al.
patent: 4676064 (1987-06-01), Narita et al.

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