Integrated gas nozzle check valve and engine using same
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United States of America Patent
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Jan 17, 2017
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app pub date -
Jun 25, 2014
filing date -
Jun 25, 2014
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Abstract
A gas supply nozzle assembly for port injection of gaseous fuel into a cylinder of an engine includes a main body with a funnel shape that has a large area inlet for attachment to a metering valve and a small end. A centerline of the main body curves through an angle greater than zero. An end nozzle that defines a gas passage extending between an inlet and a discharge end. A check valve is clamped between the small end of the main body and the inlet end of the end nozzle, and is biased closed to block flow from the end nozzle into the main body, the opening responsive to a pressure differential to permit flow from the main body into the end nozzle.
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