Fuel injection valve for internal combustion engines

Details Fuel injection valve for internal combustion engines Fuel injection valve for internal combustion engines

1996-12-06

1998-09-08

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

F02M 6300

Patent

active

058033700

ABSTRACT:
The invention sets forth a fuel injection valve for internal combustion engines, which includes a valve member, axially displaceably guided in a valve body. The valve member includes a sealing face on an end toward a combustion chamber which cooperates with a valve seat face provided on the valve body in order to control an injection port. The injection port communicates on an end remote from the combustion chamber with a final control element for actuating the valve member. The injection valve has a hydraulic damping device which when stoppage of the valve member in an intermediate position between contact with the valve seat and the maximum opening stroke is controlled by the piezoelectric final control element keeps the valve member in that stroke position.

REFERENCES:
patent: 3361353 (1968-01-01), Millman
patent: 4669660 (1987-06-01), Weber et al.
patent: 4730785 (1988-03-01), Seifert
patent: 4750675 (1988-06-01), Sczomak
patent: 4907748 (1990-03-01), Gardner et al.
patent: 4911366 (1990-03-01), Priesner

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