Fluid metering valve
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United States of America Patent
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-
Feb 14, 2023
Grant Date -
Jul 2, 2020
app pub date -
Jul 12, 2018
filing date -
Jul 26, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A motorised fluid metering valve includes an inlet pipe, a discharge pipe and a motor moving a piston that can move linearly between a closed position in which a distal end of the piston sealingly engages with a seat of matching shape, and an open position. The valve is configured to have a flow rate that varies continuously between the closed position and the open position depending on an axial position of the piston. The inlet pipe opens in a periphery of the discharge pipe, with a constant protuberance regardless of the position of the piston, the protuberance not extending radially beyond a barycentre of the discharge pipe. Also, the motor is a rotary electric motor moving the piston in translation.
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