Patent ID: 9599347
Date: 2017-03-21
CPC Classifications: A21B,F24C

Claim:
1. An oven comprising: a cooking chamber for housing food to be cooked; a control unit; a reservoir for containing a washing detergent at room temperature, the washing detergent having a corresponding activation temperature; a liquid supply arrangement configured to be selectively activated by the control unit for supplying the washing detergent into the cooking chamber; and at least one liquid heating element configured to heat the washing detergent supplied by the liquid supply arrangement and to be selectively activated by the control unit, wherein during a washing cycle of the cooking chamber, the control unit is configured to perform the following ordered sequence of operations: a) activate the at least one liquid heating element for a first time period sufficient to increase its temperature at least to the activation temperature; b) deactivate the at least one liquid heating element; c) activate the liquid supply arrangement when the temperature of the at least one liquid heating element is about the activation temperature, so that the washing detergent is heated by the at least one deactivated liquid heating element while supplied into the cooking chamber to act on the walls of the cooking chamber.