Patent ID: 6849835

Claim:
A household food warmer for keeping foods and beverages warm, comprising: a housing; a drawer insertable into the housing; an interior chamber bounded by the housing and the inserted drawer, the interior chamber being configured to receive foods placed on plates; a heating element; a convection fan; and an electrical circuit including: a first electrical switch configured to switch on the heating element; a temperature sensor configured to measure a temperature of the interior chamber; a relay; a second electrical switch configured to switch on the convection fan and to switch off the convection fan using the relay upon the occurrence of a switching condition dependent on the temperature sensor; and a main electrical switch configured to switch on the convection fan and the heating element together when the household food warmer is set into operation, the main electrical switch being connected to a time selector at least one of mechanically, electromechanically and electrically, the main electrical switch being maintainable in a closed position depending on a keep-warm time settable using the time selector; wherein the convection fan, after being switched on, can be switched on again only after the main electrical switch has been moved from the closed position to an open position.