Fuel injection system

Details Fuel injection system Fuel injection system

1995-04-26

1997-05-20

Oberleitner, Robert J.

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239584, F02M 5106

Patent

active

056305508

ABSTRACT:
A fuel injection system permits the use of hydraulic control oil as a pressure transmitting medium and enables reliable valve opening and closing performance regardless of operating environment. The housing of the fuel injection system is constituted by a valve main body and a cylinder main body, the flowing channel of fuel being airtightly separated from a pressure control chamber. The cylinder main body incorporates a piezoelectric element, which changes the fluid pressure of the pressure transmitting medium in the pressure control chamber, a piston, and a cylinder having an inflow/outflow hole. A needle valve is installed, penetrating the cylinder main body so that the distal end thereof is located in a needle guide cavity of the valve main body and the other end thereof is located in the cylinder.

REFERENCES:
patent: 4687136 (1987-08-01), Ozu
patent: 4909440 (1990-03-01), Mitsuyasu
patent: 4986472 (1991-01-01), Warlick
patent: 5271565 (1993-12-01), Cerny
patent: 5335861 (1994-08-01), Matusaki
patent: 5452858 (1995-09-01), Tsuzuki

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