Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1997-10-28
1999-11-02
Morris, Lesley D.
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
2395334, F02M 6118
Patent
active
059754338
ABSTRACT:
A fuel injection nozzle with which it is possible to control the nozzle hole area and the injection period so that the injection pressure, the injection period and the injection amount are suited to the load and the speed of the engine and with which it is possible to conduct a pilot injection and a main injection certainly and precisely by simple control using a small actuator just by rotating this actuator in one direction. The fuel injection nozzle is of a type having a rotary valve disposed in a well, the rotary valve being rotated by an actuator to adjust the opening area of the nozzle holes formed in an enclosing wall bounding the well; the enclosing wall has a conical inner surface and the rotary valve has at its upper end a pressure-receiving surface for receiving the pressure of the pressurized fuel and has at its circumferential periphery a conical seat surface of an angle matching the angle of the conical inner surface of the enclosing wall. A plurality of pairs of fuel passages each pair consisting of a first passage and a second passage whose opening area is smaller than that of the first passage each passage having one end opening at the pressure-receiving surface and the other end connectable with the nozzle holes are provided in the rotary valve spaced in the direction of its rotation.
REFERENCES:
patent: 4339080 (1982-07-01), Kopse
patent: 4658824 (1987-04-01), Scheibe
patent: 4984738 (1991-01-01), Winquist
patent: 5645225 (1997-07-01), Hasegawa et al.
Hasegawa Toshiyuki
Kobayashi Takashi
Morris Lesley D.
Striker Michael J.
Zexel Corporation
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