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Abstract

A double impulse turbine system to convert the energy of flowing fluid into electricity is provided. The system takes fully advantage of the high efficiency and compactness provided by contra-rotating permanent magnet generators to produce electricity. It is composed of two impulse turbines, rotating in opposite directions and coaxially connected to a central contra-rotating generator. In function, a fluid flow is divided into secondary flows oriented directly and tangentially toward the turbines for a maximum energy transfer. The system comes with turbines having different bucket designs adapted for uses in particular environments. Special housings or turbine chambers are designed to carry the turbines and enable the conversion of the energy of a fluid flowing in pipes into electricity. This double impulse turbine system can be used to convert into electricity the energy of any fluid flowing in-pipe as a flow or as a jet. It is provided to be used in and out urban environments in water supply distribution and wastewater piping systems or hydroelectric plants in different conditions, such as presence or not of floating debris, flow rate or pressure.

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First Claim