Check valve and water injection systems and fuel systems utilizing the same
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United States of America Patent
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-
Dec 23, 1986
Grant Date -
N/A
app pub date -
Dec 3, 1984
filing date -
Dec 3, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
For use in a turbocharger system wherein exhaust flow from the engine is caused to rotate an impeller and charge the intake of the engine with compressed air, a water injection system comprising a water reservoir, a first line connecting the reservoir to the intake from a point above the liquid in the reservoir, a second line extending from below the level of liquid in the reservoir to the intake of the impeller and a check valve in the second line. The check valve includes a valve body having an inlet and an outlet, a seat separating the inlet and the outlet, a valve member, and a spring external of the valve member and of the flow of water through the inlet, outlet and seat yielding urging the valve member into engagement with the seat. The check valve may also be utilized in a fuel system wherein a fuel pump directs fuel to electronically controlled fuel nozzles. The check valve is placed in the line between the fuel pump and the fuel nozzle.
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