Non-clogging pump
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United States of America Patent
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Aug 6, 2024
Grant Date -
Jan 12, 2023
app pub date -
Nov 16, 2020
filing date -
Nov 16, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A non-clogging pump includes a pump casing and an impeller that includes a main plate portion and a vane portion, in which the main plate portion includes a main plate protrusion portion that protrudes in a counter-inflow direction, the vane portion includes a first end face and a second end face and is connected to the main plate protrusion portion at an inner periphery-side end portion, and an inner peripheral wall that forms the suction port of the pump casing includes a suction port protrusion portion that is provided at a portion in a rotation direction of the rotating shaft, is disposed along the second end face with a gap from the second end face, and protrudes toward a center side of the suction port.
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