Internal-combustion engines – Two-cycle – Rear compression
Patent
1998-05-22
2000-11-14
Kamen, Noah P.
Internal-combustion engines
Two-cycle
Rear compression
123 65V, 1231936, F02B 3304
Patent
active
061454834
ABSTRACT:
A two-cycle internal combustion engine includes a control valve disposed in a communicating passage for communicating the combustion chamber to a chamber portion adjacent to the combustion chamber. The control valve controls the opening and closing of the communicating passage. A fuel or an air-fuel mixture is supplied into the combustion chamber through the communicating passage. The fuel injection opening of the communicating passage has a height which is smaller than the distance between outermost side surfaces of the piston rings to reduce the amount of the air-fuel mixture or combustion gas leaking from the combustion chamber into the crank chamber through gaps between the piston and the opening. Therefore, reduction in engine output or seizure of the piston due to local temperature rise is avoided.
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Honda Giken Kogyo Kabushiki Kaisha
Kamen Noah P.
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