ELECTRONIC POSITIVE DISPLACEMENT FLUID PUMP WITH PUMPING RING ALIGNMENT
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United States of America Patent
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Issued Date -
Oct 3, 2024
app pub date -
Mar 30, 2023
filing date -
Mar 30, 2023
priority date (Note) -
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Abstract
A positive displacement fluid pump is provided. The fluid pump includes a motor and a pumping portion driven by the motor. The pumping portion includes an internal plate, an external plate including a fluid inlet and a fluid outlet, a pumping ring sandwiched between the internal and external plates, and a pumping arrangement rotatably coupled to the motor and located within the pumping ring. The pumping ring includes at least two alignment holes extending through the pumping ring in an axial direction. The internal plate and the external plate each including a corresponding number of axially-extending alignment holes, respectively. An alignment pin is provided for each of the alignment holes of the pumping ring. The alignment holes are aligned with each other, and the alignment pins are positioned in the aligned alignment holes. A method of aligning components of a positive displacement fluid pump is also provided.
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