REGENERATIVE PUMP START AND ACTUATION STAGE FOR HIGH-SPEED CENTRIFUGAL FUEL PUMP
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United States of America Patent
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Issued Date -
Sep 9, 2021
app pub date -
Mar 4, 2021
filing date -
Mar 4, 2020
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Abstract
A fuel pump system (100) and associated method for supplying fuel from an associated fluid source (112) to an associated downstream use (102, 104) including for engine (i) start mode, (ii) run mode, and (iii) actuation mode are disclosed. The system has a pump (110) including a primary stage (116) having an inlet (114), and an outlet (120) that is configured to selectively supply pressurized flow for the (ii) run mode, and a regenerative stage (130) commonly driven with the primary stage to selectively provide pressurized fluid for the (i) start mode and the (iii) actuation mode.
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