Industrial electric heating furnaces inventions 03/08

20080069175 - Electrode arm for arc furnaces: The present invention relates to an electrode support arm for arc furnaces comprising an electrode receiving means provided at the front end thereof, the arm comprising a hollow profile which is formed by at least one copper- or aluminum-cladded steel plate. The present invention is based on the problem to... Agent: Boyle Fredrickson S.c.

20080069174 - Electrode support arm: The present invention relates to an electrode arm for arc furnaces comprising an electrode receiving means provided at the front end thereof, said arm having a profile comprising steel plates cladded with electrically highly conductive plates on the outside of the profile. An electrically highly conductive electrode support arm, which... Agent: Boyle Fredrickson S.c.

20080063024 - Control device for ac reduction furnaces: The invention is directed to a control device for AC reduction furnaces (15) with electrodes (14) having a transformer (11) and a regulating system (1) for the controlled introduction of energy into the AC reduction furnaces (15) which controls an adjusting device (17) for the electrodes (14). The control device... Agent: Abelman, Frayne & Schwab

20080063025 - Electric induction heating, melting and stirring of materials non-electrically conductive in the solid state: An apparatus and process are provided for controlling the heating and melting of a material that is non-electrically conductive in the solid state and is electrically conductive in the non-solid state. Power is selectively directed between coil sections surrounding different zones of the material in a susceptor vessel by changing... Agent: Philip O. Post Indel, Inc.

20080056327 - Method and system for predictive electrode lowering in a furnace: Aspects of the invention relate to methods and systems for predictive electrode lowering in an electric furnace. According to one aspect, there is provided a method comprising: monitoring an operating parameter of a variable reactance circuit; comparing the operating parameter with a threshold value; and lowering an electrode coupled to... Agent: Bereskin And Parr