Single wheel multi-stage radially-layered regenerative pump
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United States of America Patent
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Nov 21, 2023
Grant Date -
Sep 9, 2021
app pub date -
Mar 4, 2021
filing date -
Mar 4, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A multi-stage regenerative rotary pump assembly includes a housing, and an elongated shaft received in the housing for rotation about a rotational axis. The shaft has a longitudinal axis aligned with the rotational axis. A rotary member is operatively connected to the shaft and dimensioned for receipt in the housing. The rotary member has opposite, first and second faces axially spaced from one another in a direction of the longitudinal axis. At least the first face of the rotary member includes a first pump stage having a first stage inlet and a first stage outlet in fluid communication therewith. At least the first face includes a second pump stage having a second stage inlet and a second stage outlet in fluid communication therewith, and the second stage inlet is configured to be in fluid communication with the first stage outlet.
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