Patent ID: 6678470
Filing Date: 2004-01-13
Classification: H05B

Abstract:
An electric heating device for heating a fluid food material by Joule heat generated by carrying a current through the fluid food material, the device comprising:a cylindrical container body for containing the fluid food material, an opening being provided at the upper end of the container body and a bottom wall being provided at the lower end thereof; a cylindrical outer electrode incorporated in said container body; an inner electrode arranged at the center portion of said container body and having an outer circumferential surface which is a cylindrical surface facing to said outer electrode; a power supply for supplying power to said inner electrode and said outer electrode; and a driving means for relatively rotating said inner electrode relative to said outer electrode, wherein the fluid food material is heated by carrying the current from said inner electrode and said outer electrode while said inner electrode is relatively rotated relative to said outer electrode.