Lifting platform with energy recovery
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United States of America Patent
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Oct 15, 2002
Issued Date -
N/A
app pub date -
May 31, 2001
filing date -
May 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lifting platform is disclosed that utilizes means for energy recovery in order to maximize efficiency. Prior lifting platforms described by the inventor have utilized partial toroidal vortices in order to create a high pressure region below the platform. The present invention, however, improves on the prior lifting platforms by utilizing a complete toroidal vortex. Thus, a great deal of the energy expended is recovered by the recirculation of the fluid. The vortex fan must only supply the energy needed to overcome friction.
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