Balancing of the rotary anode of an X-ray tube
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United States of America Patent
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Mar 17, 2015
Grant Date -
Mar 21, 2013
app pub date -
Sep 8, 2010
filing date -
Sep 30, 2009
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Abstract
An X-ray tube with a rotatable anode for generating X-rays and an X-ray apparatus and a method for balancing the rotary anode of an X-ray tube include balancing of the rotary anode applicable to an anode mounted inside an X-ray tube. The rotatable anode includes an anode disc fixedly mounted to a rotatably driven support body, which is rotatably supported by a bearing arrangement. The anode includes at least one balancing cavity to adjust the center of gravity of the anode. The balancing cavity is partly filled with a balancing material being solid at operating temperature of the X-ray tube and liquid at a higher temperature. The balancing method includes determining an imbalance of the anode; heating liquefy balancing material; dislocating the balancing material inside the balancing cavity to compensate the imbalance; and cooling to solidify the balancing material.
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