Vacuum pump having fastening element for securing rotor part to rotor shaft and deformed safety element projecting in axial direction for preventing relative rotation between the rotor part and rotor shaft
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United States of America Patent
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Sep 27, 2016
Grant Date -
Mar 13, 2014
app pub date -
Sep 3, 2013
filing date -
Sep 10, 2012
priority date (Note) -
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Abstract
A vacuum pump has a rotor mounted on a rotor shaft and provided with pump active components cooperating with opposite stationary pump active components, fastening element for securing the rotor on the rotor shaft, and a safety element provided in addition to the fastening element for preventing rotation of the rotor and the rotor shaft relative to each other.
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