PIEZOELECTRIC PUMP
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United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Feb 4, 2010
filing date -
Dec 17, 2008
priority date (Note) -
Abandoned
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Abstract
A pump body is provided including at least one inlet valve, at least one outlet valve, a substantially rigid top portion, a substantially rigid bottom portion, and collapsible side portions. The pump body also includes a base on or in the bottom portion and defining a rotational axis extending from the bottom portion. The pump body further includes a rotor shaft disposed along the rotational axis within the enclosure, a first end of the rotor shaft mechanically and rotatably coupled to the base, and a second end of the rotor shaft providing a cam surface for engaging the top portion and operable to cause motion of the top portion response to rotation of the rotor shaft. The pump body also includes at least one piezoelectric actuator engaging a surface of the rotor shaft, the piezoelectric actuator configured to cause the rotation of the rotor shaft.
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