Fuel injector with injection valve provided with side feed

Details Fuel injector with injection valve provided with side feed Fuel injector with injection valve provided with side feed

2006-11-28

2006-11-28

Ganey, Steven J. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

Recirculation within nozzle

C239S132300, C239S132500, C239S533110, C239S533130, C239S585400, C239S900000

Reexamination Certificate

active

07140556

ABSTRACT:
A fuel injector provided with an injection valve comprising a mobile plunger; an injection jet having a plurality of first through-holes made starting from a chamber arranged downstream from the injection valve; a supporting body having a tubular shape and comprising a supply channel; and a sealing body, in which a valve seat of the injection valve is defined and the injection jet is provided; the sealing body is monolithic and has a disc-shaped plug member passed through by the injection jet, and a guide member, which rises up from the plug member, is tubular in shape, receives within it the plunger and has an external diameter smaller than the internal diameter of the supply channel, so as to define an external annular channel for the fuel; in the lower part of the guide member there are provided a number of second through-holes which open into the valve seat.

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patent: WO 2004/074673 (2004-09-01), None
European Search Report—EP05108278—Dec. 22, 2005.

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