Fluid transportation device
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United States of America Patent
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N/A
Issued Date -
Mar 5, 2009
app pub date -
Aug 19, 2008
filing date -
Aug 30, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A fluid transportation device includes a valve seat, a valve cap, a valve membrane, multiple buffer chambers, a vibration film and an actuator. The valve membrane is arranged between the valve seat and the valve cap, and includes several hollow-types valve switches, which includes at least a first valve switch and a second valve switch. The multiple buffer chambers include a first buffer chamber between the valve membrane and the valve cap and a second buffer chamber between the valve membrane and the valve seat. The vibration film is separated from the valve cap when the fluid transportation device is in a non-actuation status, thereby defining a pressure cavity. The actuator is connected to the vibration film. When the actuator is driven to be subject to deformation, the vibration film connected to the actuator is transmitted to render a volume change of the pressure cavity and result in a pressure difference for moving the fluid.
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