Internal-combustion engines – Four-cycle – Crankcase compression of air or combustible mixture to be...
Patent
1993-02-05
1994-01-18
Kamen, Noah
Internal-combustion engines
Four-cycle
Crankcase compression of air or combustible mixture to be...
F02B 7502
Patent
active
052792692
ABSTRACT:
In a supercharged 4-cycle engine including an intake passage connecting a fuel-air mixture forming section to a crank chamber, and a supercharging chamber connecting the crank chamber through an intake port to a combustion chamber, wherein when a piston is reciprocated to change a volume of the crank chamber, a fuel-air mixture is sucked from the intake passage into the crank chamber, and the fuel-air mixture compressed in the crank chamber is discharged into the supercharging chamber; a space accommodating a valve operating mechanism inclusive of a rocker arm is communicated with the supercharging chamber. Accordingly, even when a volume of the supercharging chamber itself is small, a supercharging volume 10-20 times a displacement of the engine can be substantially ensured.
Aizawa Shigemitsu
Yamakoshi Takeshi
Ishikawajima-shibaura Machinery Co., Ltd.
Kamen Noah
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