Apparatus and method for regulating cooking time in a...

Details Apparatus and method for regulating cooking time in a... Apparatus and method for regulating cooking time in a...

A - Human Necessities

47

J

A47J 37/06 (2006.01) F24C 7/06 (2006.01) F24C 7/08 (2006.01)

Patent

CA 2230220

An apparatus and method for regulating the cooking time for a given recipe for cooking a given food in a lightwave oven is disclosed wherein a microprocessor receives a signal representing the temperature elevation of the oven and the power to the lamps is reduced, either by reducing the intensity of the lamps or turning the lamps off. In the preferred embodiment the reduction in the power to the lamps is performed substantially midway during the length of the normal cooking time. The reduction can be based upon the type of food being cooked, whether more heat is coupled throughthe bottom or the top of the food due to oven secondary heating and/or partial evacuation of the oven.

L'invention porte sur un appareil et un procédé de réglage du temps de cuisson d'un aliment donné selon une recette donnée dans un four à ondes lumineuses comportant un microprocesseur recevant un signal fonction de l'élévation de température du four et dans lequel la puissance d'alimentation des lampes peut être réduite soit en faisant varier l'intensité d'alimentation des lampes, soit en éteignant cycliquement les lampes. Dans la variante préférée, la réduction de puissance des lampes qui s'opère environ à mi-cuisson est fonction du type d'aliment à cuire, la chaleur étant dirigée vers le haut ou le bas des aliments en fonction de la présence d'un chauffage secondaire et/ou des déperditions de chaleur du four.

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