Two stroke engine with tiered cylinder cooling

Details Two stroke engine with tiered cylinder cooling Two stroke engine with tiered cylinder cooling

1991-05-10

1992-01-14

Kamen, Noah P.

Internal-combustion engines

Cooling

With jacketed head and/or cylinder

123 4179, F01P 314

Patent

active

050800493

ABSTRACT:
A two stroke cycle engine has tiered cooling jackets in the cylinder block with upper and lower jackets separated by a diaphragm wall. Transfer openings in the diaphragm and downward portions of the lower jacket direct coolant flow around exhaust ports and preferentially along the exhaust port side of the engine cylinder openings. A cylinder head gasket controls outflow from the upper jacket to the cylinder head through transfer holes placed preferably on the exhaust side of the upper jacket to provide overall control of flow in the cooling jacket system.

REFERENCES:
patent: 2820441 (1958-01-01), Scheiterlein
patent: 2989953 (1961-06-01), Kessler et al.
patent: 4736716 (1988-04-01), Ohyama
patent: 4969329 (1990-11-01), Bolton et al.
patent: 4969330 (1990-11-01), Groff et al.
patent: 4993373 (1991-02-01), Klomp et al.

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