Reciprocating piston engine

Details Reciprocating piston engine Reciprocating piston engine

1982-02-16

1986-01-07

Lazarus, Ira S.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65VB, 123 4165, 123190A, F02B 7502

Patent

active

045627967

ABSTRACT:
A reciprocating combustion engine is improved by a cycle which applies outlet slots at the bottom of the cylinders, through which the exhaust gases exit to pass into a charger drive unit, while the charger drive unit drives a charger which delivers air or mixture over inlet valve means into the cylinder. The charging is also used to drive the exhaust gases out of the cylinder. Four cycle engines can thereby made up to two-stroke engines with super-charging. Outlet valves and heat on them as in typical four-stroke engines are spared. Flow areas into and out of the cylinder are increased and so is the power of the engine. A charger-arrangement provides a plurality of flow streams to super-charge the cylinders, to cool the valve head and to cool the valves. The head of the piston has a configuration relative to the valve head for preventing dead space and respective losses.

REFERENCES:
patent: 1593571 (1926-07-01), Curtis
patent: 1924697 (1933-08-01), Shoemaker
patent: 1954564 (1934-04-01), Edwards et al.
patent: 2189106 (1940-02-01), Garve et al.

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