Expansion system
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United States of America Patent
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Nov 10, 2020
Grant Date -
Aug 9, 2018
app pub date -
Apr 4, 2018
filing date -
Oct 5, 2015
priority date (Note) -
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Abstract
In order to improve an expansion system for a working medium that is used in particular in a circulating process of a system that utilises waste heat, in particular in a system operating in a Rankine cycle, comprising an expansion device coupled to an electricity generator, for the working medium, an inlet for supplying the pressurised working medium, and an outlet for the working medium that has been expanded by the expansion device, it is proposed that an aerosol generator unit that generates a lubricant aerosol should be associated with the inlet, wherein the working medium guided to the expansion device flows through this aerosol generator unit, which has a flow guide for the working medium having a concentration section that concentrates lubricant entrained in the total mass flow of working medium supplied to the expansion device to give aerosol particles, and these aerosol particles leave the concentration section together with a partial mass flow of the working medium, branching off from the total mass flow of working medium, as a lubricant aerosol mass flow, and that a line system should be provided that guides the lubricant aerosol mass flow to lubrication points of an expansion arrangement of the expansion device, for the purpose of aerosol lubrication.
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