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Precision control of high temperature furnaces using an auxiliary power supply and charged practice current flow

United States Patent

January 28, 1997
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
Two power supplies are combined to control a furnace. A main power supply heats the furnace in the traditional manner, while the power from the auxiliary supply is introduced as a current flow through charged particles existing due to ionized gas or thermionic emission. The main power supply provides the bulk heating power and the auxiliary supply provides a precise and fast power source such that the precision of the total power delivered to the furnace is improved.
Pollock; George G. (San Ramon, CA)
United States Department of Energy (Washington, DC)
08/ 335,342
November 3, 1994
PRECISION CONTROL OF HIGH TEMPERATURE FURNACES The United States Government has rights in this invention pursuant to Contract No. W-7405-ENG-48 between the United States Department of Energy and the University of California for the operation of Lawrence Livermore National Laboratory.