Method for detecting and extracting gaseous fluid contained in a closed circuit functioning according to a rankine cycle and device using such a method
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United States of America Patent
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Dec 1, 2020
Grant Date -
Jul 11, 2019
app pub date -
Jun 15, 2017
filing date -
Jun 20, 2016
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Abstract
A method and device for detecting and extracting a gaseous fluid contained in a closed loop operating on a Rankine cycle are provided. The loop includes a multiplicity of constituents with, successively, a circulation and compression pump for a working fluid, a heat exchanger associated with a hot source, an expansion machine, a cooling exchanger, a working fluid tank and circulation pipes connecting these constituents. The method and device measure the temperature (Tréelle) and the pressure (Préelle) of the working fluid at a point of the loop when this loop is at rest, and, as soon as the measured pressure (Préelle) exceeds a threshold value (Pliquide saturé) for a given ambient temperature (T), activate equipment for extracting the gaseous fluid in order to discharge it from the loop.
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