Combustion chamber for an internal combustion engine

Details Combustion chamber for an internal combustion engine Combustion chamber for an internal combustion engine

1988-11-07

1990-01-16

Okonsky, David A.

Internal-combustion engines

Four-cycle

Single poppet valve

123193P, 123659, F01L 128

Patent

active

048935921

ABSTRACT:
A combustion chamber of an internal combustion engine includes a co-axial valve mechanism with a hemispherically concave exhaust valve disk actuated by a single overhead camshaft. A piston face is provided including an offset shallow bowl for accommodating the spark gap of a spark plug when the piston is at top dead center and at least one groove situated at least partially about the shallow bowl. The co-axial valve mechanism and piston face configuration results in more complete combustion and greater power development.

REFERENCES:
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patent: 1950911 (1934-03-01), Zahodiakin
patent: 2211013 (1940-08-01), Hosterman
patent: 2213202 (1938-07-01), Buchi
patent: 2815014 (1957-12-01), Adams
patent: 3450110 (1969-06-01), Barnett et al.
patent: 3881459 (1975-05-01), Gaetcke
patent: 4009702 (1977-03-01), Mayer
patent: 4050420 (1977-09-01), Cataldo
patent: 4389986 (1983-06-01), Tanasawa

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