DRIVE UNIT HAVING A ROTOR SHAFT
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United States of America
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Issued Date -
Nov 7, 2024
app pub date -
May 1, 2023
filing date -
May 1, 2023
priority date (Note) -
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status (Latency Note)
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Abstract
A drive unit includes a motor and a rotor shaft operably coupled with the motor. The rotor shaft has an inner surface that defines a hollow that extends axially from a first opening at a first end of the rotor shaft to a second opening at a second end of the rotor shaft and has a tapered portion that tapers radially inboard as the tapered portion of the inner surface extends axially away from the second end of the rotor shaft. The rotor shaft further defines a plurality of ports disposed axially between the tapered portion and the second end of the rotor shaft. The motor is configured to drive rotation of the rotor shaft, such that a fluid disposed within the hollow is propelled axially away from the first end of the rotor shaft and through the plurality of ports defined by the rotor shaft.
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