F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
123/242, 123/60,
F02M 7/02 (2006.01) F02B 17/00 (2006.01) F02B 31/08 (2006.01) F02B 47/08 (2006.01) F02D 21/06 (2006.01) F02M 23/00 (2006.01) F02B 1/04 (2006.01)
Patent
CA 1055337
ABSTRACT OF THE DISCLOSURE In an internal combustion engine, an injection hole is provided in the cylinder head to inject narrow streams of air towards the spark gap, particularly during idling and low- load running conditions. The injected air is 5 to 30% by weight of the intake fuel-air mixture provided via the intake manifold and creates a swirl or turbulence thereby increasing combustibility. The hole is connected via a sub-intake passage to the main air intake passage upstream of the venturi in the carburetor or between the venturi and throttle valve.
258140
Akishino Katsuo
Hori Kenji
Kiyota Yuhiko
Nakagami Tatsuro
Nakamura Hirokazu
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