Dispenser using electrically activated material
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United States of America Patent
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May 26, 2020
Grant Date -
N/A
app pub date -
May 21, 2018
filing date -
Sep 20, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pump for dispensing fluid includes a dome portion for storing the fluid received through a pump inlet. The dome portion is movable between a compressed state and an uncompressed state. The pump includes a flexible membrane having a first pliability when a first voltage is applied and a second pliability when a second voltage is applied. The pump includes a first biasing device that applies a first force in a first direction to the flexible membrane. The flexible membrane moves the dome portion from the uncompressed state to the compressed state. The pump includes a second biasing device that applies a second force in a second direction to the dome portion to move the dome portion from the compressed state to the uncompressed state when the flexible membrane has the second pliability. Alternatively, the dome portion moves in the second direction in response to a gravitational force.
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