FOOD PREPARING APPARATUS Russian patent published in 1997 - IPC

FIELD: food engineering and kitchen utensils. SUBSTANCE: apparatus has cover and double-walled cooking chamber, with space between two walls being hermetically sealed and partially filled with heat- carrier. Cover has cooking chamber pressurization device, return valve and heat-insulating material. Space between cooking chamber walls is filled with noncondensing gas and filled with heat-carrier used in an amount determined by mathematical expression. EFFECT: increased efficiency, reduced weight of apparatus, accelerated food preparing time and increased food preservation time. 5 cl, 2 dwg