Self-pumping vacuum rotor system
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United States of America Patent
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May 18, 2021
Grant Date -
Feb 21, 2019
app pub date -
Jan 25, 2017
filing date -
Feb 12, 2016
priority date (Note) -
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Abstract
A vacuum rotor system is provided comprising a hollow rotor with a rotor jacket that is open at both ends perpendicular to the axis of rotation and with at least two hubs that are connected to the inside of the rotor jacket and that are suitably mounted in appropriate bearings so that the rotor can rotate. A machine housing that encloses the rotor and that has at least one gas outlet opening to discharge gases from the machine housing. A vacuum system that is connected to the gas outlet opening and that has at least one forepump for generating a fore-vacuum pressure in the machine housing. At least one first gas removal device with a gas pick-up opening is arranged in the machine housing between the hub and the appertaining open end of the rotor jacket.
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