Apparatus and method for producing glass products from a glass melt while avoiding bubble formation
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United States of America Patent
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Jul 23, 2019
Grant Date -
Oct 26, 2017
app pub date -
Apr 25, 2017
filing date -
Apr 25, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and a method for producing glass products from a glass melt, avoiding bubble formation, are disclosed, wherein the apparatus includes a crucible and an internally component for processing the glass melt, and wherein, for heating the glass melt, the apparatus comprises an AC generator which energizes the crucible or stirring crucible via electrical connection elements. The component or stirring system is connected via a current-limiting choke having a variable impedance with the power supply elements. The impedance of the current-limiting choke is adjusted so that a AC density existing in the glass melt lies between a lower limit value and an upper limit value. By means of a choke and by adjusting the impedance it can be achieved that the AC load of the system can be minimized and that simultaneously the water decomposition reaction at the precious metal surfaces can positively be influenced.
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