F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
F02B 29/00 (2006.01) F02B 25/22 (2006.01) F02B 61/02 (2006.01) F02F 1/22 (2006.01) F02M 67/04 (2006.01) F02M 69/10 (2006.01) F02B 75/02 (2006.01)
Patent
CA 2185874
A two-cycle internal combustion engine capable of preventing the blow-by phenomenon, thereby improving both fuel economy and exhaust purifying performance, and being superior in the responsivity of fuel injection volume. The two-cycle internal combustion engine includes a chamber 29 disposed in scavenging passages 14, 15 which provide communication between a crank chamber 9 and a combustion chamber 6. Sealable control valves 26 and 33 are disposed in an inlet and an outlet, respectively, of the chamber 29, and a fuel feeding system 37 for the supply of fuel into the chamber 29 is provided. The invention is characterized in that the chamber 29 is brought into communication with one scavenging passage 18 out of a plurality of parallel scavenging passages, and the control valve 33 disposed in the chamber outlet, which is on the combustion chamber side and on a scavenging downstream side, is positioned at the bottom part of the scavenging passage 18 communicating with the chamber 31 with respect to the control valve 26 disposed in the chamber inlet which is on the crank chamber side.
Asai Masahiro
Ishibashi Yoici
Dennison Associates
Honda Giken Kogyo Kabushiki Kaisha
LandOfFree
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