Device for capturing energy from a fluid flow
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United States of America Patent
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Oct 16, 2012
Grant Date -
Dec 29, 2011
app pub date -
Aug 26, 2011
filing date -
Aug 12, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A device (10) for capturing energy from a fluid flow is disclosed. The device (10) comprises a base (12) adapted for stationary mounting relative to the fluid flow. A member (20), having a longitudinal axis (21), is pivotally connected relative to the base (12) about a substantially vertical first pivotal axis (22) and is adapted to move relative to the base (12) towards a position in which the longitudinal axis (21) generally aligns with a vertical plane parallel to the direction of the fluid flow passing the member (20). A lift generating element (26) is connected to the member (20) and is movable relative to the direction of the fluid flow to vary a direction of lift produced by the lift generating element (26) as fluid flows therearound. The lift generated by the lift generating element (26) drives the member (20) in oscillatory motion relative to the base (12). An energy transfer mechanism is attached to the member (20) and is adapted to be driven by the oscillation of the member (20).
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