Fuel injection nozzle

Details Fuel injection nozzle Fuel injection nozzle

2011-06-21

2011-06-21

Nguyen, Dinh Q (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

Recirculation within nozzle

C239S128000, C239S088000, C239S132500, C239S132000, C239S533200, C239S585100

Reexamination Certificate

active

07963461

ABSTRACT:
Disclosed is a fuel injection nozzle comprising a cooling duct (6) that is disposed in the final region of a housing (1), which faces the combustion chamber. In order to cool the zones that are subjected to high thermal stress, the cooling duct (6) is positioned closer to the bore (2) of the valve needle than to the external face of the housing (1) and is provided with a cross-sectional area that has a width corresponding to no more than the height which extends in the axial direction of the nozzle.

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Office Action dated May 18, 2005 issued for the corresponding German Application No. 103 24 985.0-13.

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