Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger
Patent
1997-08-22
1999-02-09
Bomberg, Kenneth
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
239 91, 239 92, 2395334, 2395338, F02M 4702
Patent
active
058683178
ABSTRACT:
A fuel injector having a plurality of spaced apart apertures modifies the rate of fluid flow of the fuel injectors. The apertures are sequentially opened by movement of the intensifier piston in a piston bore passing actuating fluid flow at an increasing rate to a piston pressure chamber defined by a first end surface of the intensifier piston, a closed end surface of the piston bore and the cylindrical surface of the piston bore. The opening of the spaced apart fluid delivery apertures provide a stepped rate trace. The stepped rate trace allows less fuel to be injected into the combustion chamber by injecting the fuel slower during the early phase of the combustion process where combustion is less harsh.
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Bomberg Kenneth
Caterpillar Inc.
Evans Robin O.
Hickman Alan J.
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