Submersible rotor design
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United States of America Patent
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-
Jan 24, 2012
Grant Date -
Jul 29, 2010
app pub date -
Jan 19, 2010
filing date -
Jan 28, 2009
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved rotor blade used in combination with a submersible electrical generator comprises a rotor base with width BW, a leading edge, a tip, and a trailing edge. The leading edge and the trailing edge are defined as elliptical curves having a radius of 8.0 BW. The rotor has a surface area profile substantially in accordance with the Cartesian coordinate values X and Y set forth in Table I. The rotor blade can be functionally connected to a rotor shaft through a pivotal support axial which allows the pitch of the blade to be set and maintained. The pitch is set to harness the kinetic energy of flowing water for generating electricity.
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