Overhead valve type engine

Details Overhead valve type engine Overhead valve type engine

1989-01-12

1989-09-12

Nelli, Raymond A.

Internal-combustion engines

Poppet valve operating mechanism

Overhead camshaft

123198E, 123195HC, F01L 102

Patent

active

048649813

ABSTRACT:
An improved overhead valve internal combustion engine is disclosed in which an intake port defined in a cyclinder head for communication at its outlet side opening with a combustion chamber opens at its inlet end in a first side of the cylinder head for connection to a carburetor. An exhaust port also formed in the cylinder head for communication at its inlet side opening with the combustion chamber opens at its outlet end in a second side of the cylinder head that extends substantially perpendicular with the plane of the first side for connection through an exhaust duct to a muffler that is located on the opposite side of the cylinder head to the carburetor. This arrangement can enhance cooling of the cylinder and cylinder heads of an engine and miniturize engine overall size, without shortening the length of the exhaust duct connected between a muffler and exhaust port.

REFERENCES:
patent: 2622579 (1952-12-01), Weslake
patent: 3581717 (1971-06-01), Fullerton
patent: 3841278 (1974-10-01), Frehe
patent: 3949727 (1976-04-01), Thien et al.
patent: 4149512 (1979-04-01), Hatz
patent: 4438733 (1984-03-01), Sasakai
patent: 4494490 (1985-01-01), Kiyooka et al.
patent: 4595841 (1986-06-01), Yaguchi

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