Injection nozzle

Details Injection nozzle Injection nozzle

1997-02-28

1999-02-23

Morris, Lesley D.

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

239 96, 2395335, F02M 4702

Patent

active

058735267

ABSTRACT:
An injection nozzle comprises a valve needle engageable with a seating. The needle includes a surface arranged such that when the needle occupies a fully lifted position, part of the surface is exposed to the fuel pressure within a control chamber whilst a second part of the surface is exposed to the fuel pressure within a second chamber. Independent restricted passages provide communication between the control and second chambers and a supply line. A control valve communicates with the second chamber to control operation of the injection nozzle. The control valve is actuated by an electromagnetic actuator having a core arrangement--armature air gap of tapering axial length.

REFERENCES:
patent: 3592392 (1971-07-01), Huber
patent: 4572433 (1986-02-01), Deckard
patent: 5265804 (1993-11-01), Brunel
patent: 5441029 (1995-08-01), Hlousek
patent: 5472142 (1995-12-01), Iwanaga
patent: 5671715 (1997-09-01), Tsuzuki

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