Fuel injector for an internal combustion engine

Details Fuel injector for an internal combustion engine Fuel injector for an internal combustion engine

2007-07-03

2007-07-03

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Injection of fuel onto igniter, deflector, heater, or atomizer

C123S305000

Reexamination Certificate

active

10547367

ABSTRACT:
A fuel injector comprising a head which has a free outer face and a main orifice designed to spray a fuel jet in a main direction and a secondary orifice designed to spray a fuel jet in a secondary direction, the main and secondary orifices opening into the outer face and communicating directly with a common injection chamber which is selectively placed in communication with a supply chamber. The secondary direction forms an angle α between 10° and 80°, with the main direction so that the secondary jet intercepts the main jet in a burst zone which starts at a distance d of between 1 and 15 mm, and the flow rate of the secondary jet is between 80% and 100% of the flow rate of the main jet. The invention also relates to a spark ignition engine and to a method of manufacturing the injector.

REFERENCES:
patent: 5540200 (1996-07-01), Naitoh et al.
patent: 6513487 (2003-02-01), Jorach et al.
patent: 2002/0000483 (2002-01-01), Shoji et al.
patent: 2002/0083920 (2002-07-01), Konig et al.
patent: 2005/0224605 (2005-10-01), Dingle
patent: 2005/0224606 (2005-10-01), Dingle
patent: 196 412 513 (1998-04-01), None
patent: 2 399 551 (1979-03-01), None

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