Four cycle, piston-driven, rotary ported intake and exhaust...

Details Four cycle, piston-driven, rotary ported intake and exhaust... Four cycle, piston-driven, rotary ported intake and exhaust...

2006-06-20

2006-06-20

Kamen, Noah P. (Department: 3747)

Internal-combustion engines

Four-cycle

Crankcase compression of air or combustible mixture to be...

C123S0800BA

Reexamination Certificate

active

07063065

ABSTRACT:
Disclosed in the field of the four-cycle reciprocating piston internal combustion engine is an invention for a rotary ported intake and exhaust system and super-atmospherically charged on demand engine. This invention replaces the inefficient reciprocating valve system with a friction free rotating shaft with ports and passageways to produce the four cycles of the engine. It also replaces the accessory externally mounted compressors now used to super charge the engine by the use of two cylinders sharing the same minimum volume totally closed crankcase. As both pistons travel upward, they draw in air or air/fuel or that amount desired through a throttle body into the crankcase. As they travel downward, that cylinder on its intake cycle draws in air/fuel while the volume in the crankcase is compressed. Prior to the completion of the intake cycle, the crankcase pressure is released into that cylinder on its intake cycle super-atmospherically charging it. These cycles are then repeated for the other cylinder.

REFERENCES:
patent: 1006677 (1911-10-01), Plaut
patent: 1094329 (1914-04-01), Henderson
patent: 1142312 (1915-06-01), Cusick
patent: 1794061 (1931-02-01), Culver

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