Liquid pumps with hermetically sealed motor rotors
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United States of America Patent
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Sep 9, 2014
Grant Date -
Sep 12, 2013
app pub date -
Oct 5, 2012
filing date -
Nov 13, 2002
priority date (Note) -
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Abstract
Embodiments of the invention are directed toward a novel pressurized vapor cycle for distilling liquids. In an embodiment of the invention, a liquid purification system is revealed, including the elements of an input for receiving untreated liquid, a vaporizer coupled to the input for transforming the liquid to vapor, a head chamber for collecting the vapor, a vapor pump with an internal drive shaft and an eccentric rotor with a rotatable housing for compressing vapor, a condenser in communication with the vapor pump for transforming the compressed vapor into a distilled product, and an electric motor with motor rotor and magnets hermetically sealed within the fluid pressure boundary of the distillation system.
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