Fluid sprinkling – spraying – and diffusing – Fluid pressure responsive discharge modifier* or flow... – Fuel injector or burner
Patent
1995-11-17
1998-10-27
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Fluid pressure responsive discharge modifier* or flow...
Fuel injector or burner
F02M 4702
Patent
active
058268022
ABSTRACT:
An improved fuel injector system comprising a nozzle tip which defines a pressure control chamber, an injection chamber, and at least one fuel injection orifice. The nozzle tip further includes a movable direct-operated check operable to selectively control fluid communication between the injection chamber and the fuel injection orifice. The improvement includes a hilt reciprocally movable within the injection chamber and being of a construction to define a lower chamber and an upper chamber. The improvement further includes a high pressure fuel passage communicating high pressure fuel to the lower chamber. The present invention provides reduced stresses on the nozzle tip as the check engages the check seat while not adversely affecting the performance of the fuel injector. This results in lower tip wear and improved life of the fuel injector.
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Anderson Michael D.
Sommars Mark F.
Becker M. D.
Caterpillar Inc.
Ganey Steven J.
Kashnikow Andres
McNeil Michael B.
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