Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1996-02-21
1998-06-02
Miller, Carl S.
Internal-combustion engines
Charge forming device
Fuel injection system
123337, F02M 3704
Patent
active
057586233
ABSTRACT:
A fuel injection system of an internal combustion engine of a vehicle such as motorcycle comprises a throttle body of a cylindrical structure having a passage for supplying a fuel-air mixture to a combustion chamber of an engine, a disc-shaped throttle valve disposed in the passage to be rotatable so as to regulate an amount of air flowing through the passage, and an injector means mounted on a peripheral wall of the passage and adapted to inject fuel in the passage at a portion of a downstream side of the throttle valve with respect to an air flow in the passage. The throttle valve is provided with a through hole opened to both surfaces of the throttle valve, and the through hole being formed at a portion on an injector location side with respect to a rotational axis of the throttle valve so that an axis of the through hole substantially accords with, or intersects, a central axis of a fuel injected from the injector when observed from the injector location side.
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Kawamura Shinji
Nitta Yutaka
Kananen Ronald P.
Miller Carl S.
Suzuki Kabushiki Kaisha
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