Patent ID: 6178876
Filing Date: 2001-01-30
Classification: A47J,Y10S

Abstract:
A pressure cooker comprises:a hollow main body, a cover disposed on a top portion of the hollow main body, an upper joint disposed on the cover, a handle connected to the upper joint, and a heating device disposed on a bottom of the hollow main body,the heating device having a bottom casing, an upper casing engaging with the bottom casing, a thermal conducting plate disposed on the upper casing, and a thermal generating device disposed between the thermal conducting plate and the bottom casing,a plurality of sockets disposed on the bottom casing,a plurality of pedestals inserted in the sockets, each of the pedestals having an upper pillar and an oblong hole formed in the upper pillar,a plurality of elastic elements each enclosing the respective upper pillar,a flat insulation plate disposed on the elastic elements,the flat insulation plate having a plurality of through holes each matching the respective oblong hole of the upper pillar,the thermal generating device having a dish disposed on the flat insulation plate, a corrugated insulation plate disposed on the dish, and a plurality of heaters disposed on a bottom of the thermal conducting plate,a plurality of bottom posts disposed on a bottom of the dish,each of the bottom posts inserted through the respective through hole of the flat insulation plate and inserted in the respective oblong hole of the upper pillar,an electric circuit board disposed in the bottom casing,an electric control board disposed on the upper casing, anda plurality of wires connected to the electric circuit board and the heaters.