Fluid sprinkling – spraying – and diffusing – Injection nozzle opened by relieving supply
Patent
1991-04-01
1992-10-13
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Injection nozzle opened by relieving supply
2395338, 2395853, F02M 4702, F02M 5106
Patent
active
051543508
ABSTRACT:
The subject of the invention is an improvement in the pilot valve which is adapted to control the passage of fuel through a discharge aperture which communicates with a control chamber with which the device is provided; fuel is supplied under pressure into this control chamber and is discharged through the first mentioned discharge aperture to control the opening of a shutter needle with which the device is provided for the purpose of injecting a suitable quantity of fuel through at least one injection orifice. According to this improvement the armature of the pilot valve substantially comprises a rod which traverses an axial hole in the core of an electromagnet. The first end of the rod is fixed to the armature. A stop member, the position of which is adjustable with respect to the body of the device, is adapted to constitute an abutment for the second end of the rod. A ball is interposed between this second end and the stop member. A threaded ring nut presses against the elongate body housing the needle so as to fix the valve body and resist the force on the valve body exerted by the fuel under pressure.
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patent: 4454990 (1984-06-01), Lewis
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Ausiello Francesco P.
Ricco Mario
Grant William
Kashnikow Andres
Weber s.r.l.
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