Regulating pressure and harvesting energy as relates to flow meters and metrology hardware
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United States of America Patent
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Oct 22, 2019
Grant Date -
Jul 19, 2018
app pub date -
Jan 16, 2017
filing date -
Jan 16, 2017
priority date (Note) -
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Abstract
An energy harvester for use in-line with a pipe to harness potential and kinetic energy of fluids flowing therein. Structure for the energy harvester may include a shaft and a blade extending radially therefrom. The shaft can penetrate a housing that operates as a pipe section to install the device in-line with pipe. The shaft can couple with an electrical generator. A load may connect with voltage terminals on the generator so that fluid impinging on the blades will rotate the generator to power the load, effectively harvesting power from the flowing fluid. In one implementation, a load control device that couples with the generator voltage terminals controls a pressure characteristic of the fluid, such as pressure drop, by applying an electrical load on the generator and controllably impeding rotation of the shaft.
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