Fuel injecting device for fractional horsepower engine of vehicle, has check valve arranged in inlet opening, another check valve arranged in injector opening, and third check valve arranged in return opening

摘要

The device has a fuel pump (20a) provided with a piston (24) and an actuator (21) for operating the piston. An injecting module (2) comprises a single-piece valve support (30) with a pumping chamber (27), inlet opening, injector opening and a return opening. A check valve (40) is arranged in the inlet opening, another check valve (50) is arranged in the injector opening, and a third check valve (60) is arranged in the return opening. The valves have a return spring (41), valve closing member (42) and an insert (43). The support made of plastic material is produced by spraying casting process.