Patent ID: 6320166
Filing Date: 2001-11-20
Classification: A47J

Abstract:
A cooking apparatus comprising a container having an outer shell and an inner shell wherein a cavity is formed by coupling and sealing edges of the outer and inner shells, the container comprising:an electric heating element installed at a lower portion of the container between the bottom inner and outer shells, wherein the heating element is not in contact with the inner shell; anda heat conductive medium at least partially filling the cavity, wherein the outer shell of the container defines a clamping hole for installing therein a pressure controlling member, the pressure controlling member being opened when a cavity pressure exceeds a predetermined value, the pressure controlling member further comprising:a spring housing defining a spring device hole and a pressure controlling hole connected thereto, wherein the spring housing has a groove around the outer circumference thereof;a pressure control valve in the spring device hole to block the pressure controlling hole;a spring placed in the spring housing to bias the pressure control valve against the pressure controlling hole; anda spring suspension member having a through hole and is being coupled with the spring housing with a step ring being placed in the groove of the spring housing.