Engine supercharged in crankcase chamber

Details Engine supercharged in crankcase chamber Engine supercharged in crankcase chamber

1997-10-03

2000-05-02

Kwon, John

Internal-combustion engines

Four-cycle

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

123318, 12356812, F02B 7502

Patent

active

060559594

ABSTRACT:
Several embodiments of crankcase compression supercharged four-cycle internal combustion engines. Supercharger pressure is controlled by bypassing pressurized gases from the crankcase back to the crankcase downstream of a check valve that permits flow into the crankcase so as to avoid the escape of pressurized gases to the atmosphere and to reduce pumping losses and improve performance. Various positioning of the components is illustrated. Also, an improved and simplified internal EGR system is employed.

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patent: 5657724 (1997-08-01), Brown et al.
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patent: 5678525 (1997-10-01), Taue
patent: 5709186 (1998-01-01), Taue
patent: 5778838 (1998-07-01), Taue

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