Method and apparatus for scavenging and using energy caused by changes in pressure
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United States of America Patent
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Feb 20, 2007
Grant Date -
Jun 22, 2006
app pub date -
Dec 17, 2004
filing date -
Dec 17, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus to scavenge energy caused by changes in interior pressure of a container, including at least one flexible chamber containing a fluid at a predetermined pressure; a piezoelectric element coupled to the flexible chamber so as to generate electricity when the flexible chamber is flexed by a change in interior pressure of the container.
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