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

United States Patent

5,597,501
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.