Fluid sprinkling – spraying – and diffusing – Processes – Of fuel injection
Patent
1996-07-26
1998-06-16
Morris, Lesley D.
Fluid sprinkling, spraying, and diffusing
Processes
Of fuel injection
2395854, 2395903, F02M 5106, B05B 114
Patent
active
057657505
ABSTRACT:
A flow straightener and a controlled disturbance element are interposed between the injector needle seat and the discharge orifice disk of a fuel injector. The flow straightener straightens flow eliminating turbulence prior to fuel discharge. The controlled disturbance disturbs the fuel flow providing controlled atomization. A spacer is provided between the flow straightener and the controlled disturbance element as well as between the controlled disturbance element and the discharge orifice disk delimiting flow recovery regions. By varying the diameter and/or height of the spacers, in conjunction with the controlled disturbance element, an adjustable level of flow disturbance can be obtained, leading to variable degrees of atomization. In one arrangement, the flow straightener and the controlled disturbance element are combined into a single flow element performing the functions of both the flow straightener and the controlled disturbance element.
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Pace Jeffrey B.
Warner Vernon R.
Morris Lesley D.
Siemens Automotive Corporation
Wells Russel C.
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