2-stroke cycle internal combustion engine

Details 2-stroke cycle internal combustion engine 2-stroke cycle internal combustion engine

1998-11-12

2000-10-10

Wolfe, Willis R.

Internal-combustion engines

Two-cycle

Whirl through piston-controlled ports

123 65A, 60314, F01N 320, F02B 2102

Patent

active

061290599

ABSTRACT:
To provide a 2-stroke cycle internal combustion engine for a vehicle in which less blowoff of a gas mixture occurs in a combustion chamber, fuel consumption is low and high exhaust gas purifying performance is attained. The cylinder of the internal combustion engine is slightly inclined toward the forward side of the vehicle body from its upright position. The high pressure chamber and the communication passages are arranged forwardly toward the vehicle body from the cylinder. Openings of the communicating passages toward the combustion chamber are arranged, from the scavenging port, near the combustion chamber. The intake control valve rotated from the crank chamber near the openings of the communicating passages toward the combustion chamber is arranged near the openings of the communicating passages, and the exhaust pipe and the exhaust expansion chamber communicating with the exhaust gas passage of the internal combustion engine are arranged at a rear part of the vehicle body from the cylinder.

REFERENCES:
patent: 5376341 (1994-12-01), Gulati
patent: 5645018 (1997-07-01), Ishibashi et al.
patent: 5752476 (1998-05-01), Nakamura

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