Fuel injection device and air-fuel mixture generating device provided with fuel injection device
AssigneesOppama Industry Co., Ltd., Kioritz Corporation
InventorsYoshiaki Hironaka, Michiyasu Kuwano, Masao Iwata, Kiyoshige Enomoto
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Abstract
A fuel injection device mounted on a main body of an air-fuel mixture generating device including an electromagnetic driving-type fuel injection valve for injecting, at predetermined times, fuel into an air-intake passageway of an intake system of an internal combustion engine, and a collision plate operationally coupled to the fuel injection valve adapted to be disposed in the air-intake passageway for enabling the injected fuel to collide therewith.
Claims7
An air-fuel mixture generating device, comprising:
- (a) a main body;
- (b) a diaphragm fuel pump disposed in said main body;
- (c) a fuel passageway in the main body operationally coupled to said fuel pump for receiving and pressurizing fuel injected from the fuel pump in conformity with pressure changes inside a crankcase of an internal combustion engine;
- (d) a fuel injection device mounted on said main body and operationally coupled to said fuel passageway for receiving the pressurized fuel therefrom and injecting said pressurized fuel into an air-intake passageway of an intake system of the internal combustion engine;
- and
- (e) said fuel injection device comprising a collision plate for colliding with the injected fuel.
An air cooled two-stroke gasoline engine of the crankcase precompression having an air-intake passageway and a throttle valve having a downstream side disposed in the air-intake passageway, the air-intake passageway including a throat portion provided in a main body of an air-fuel mixture generating device downstream of the throttle valve, wherein the improvement comprises a fuel injection valve having a collision plate and a fuel injection port, the fuel injection valve being arranged at the throat portion provided on the downstream side of the throttle valve, the injecting direction of fuel from said injection port being orthogonal to a direction of the air flowing through the air-intake passageway.
Dependencies are inferred from the claim text.