Fuel viscosity/density compensation device
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United States of America Patent
Stats
-
Dec 26, 1989
Grant Date -
N/A
app pub date -
Jul 18, 1985
filing date -
Jul 18, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus and a method for effecting fuel viscosity/density compensation are disclosed. A combination of fuel flow through a viscosity sensitive annular orifice and a swirl-type orifice are utilized to create pressure differentials for driving a piston for regulating fuel flow. The components are positioned such that the direct variation of pressure drop across the annular flow orifice with viscosity change and the inverse variation of pressure drop across the swirl orifice with viscosity change, are combined to create an increased force for achieving the desired control effect.
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Cited Art Landscape
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