BULLET VALVE FOR CONTROLLED FLUID FLOWS
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United States of America Patent
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Issued Date -
Jan 8, 2015
app pub date -
Feb 22, 2013
filing date -
Feb 22, 2012
priority date (Note) -
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Abstract
A valve (10) for selectively diverting flow from a source to another path for use in vehicles. The valve includes a valve plunger (20) axially movable in a housing (12) between a closed position in which an annulus (28) of the valve plunger blocks the inner diameter of an inlet pipe (14) and serves as a hydrodynamic surface to move the fluid entering the inlet pipe smoothly over the valve elements, including a control chamber (40) that contacts with a fixed base of the valve member. The control chamber is connected by an inlet orifice (32) to the inlet pressure and to an external control orifice (52) connection having a low-pressure side such that the control pressure in the control chamber is variable between 100% and 0% of the inlet pressure.
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