Device and method for keeping food warm

Details Device and method for keeping food warm Device and method for keeping food warm

A - Human Necessities

47

F

A47F 3/04 (2006.01)

Patent

CA 2369809

A food warming device having a bin for holding food products. The bin has an air delivery port and an air intake port located at first and second end walls that are disposed at first and second opposite edges of the bottom portion. The regions above the bottom portion and along the third and fourth opposite edges between the first and second walls are substantially open whereby the food products are clearly visible to customers. The bottom portion has a heated surface for receiving food products to be warmed. An air circulating means forms a stream of circulating heated air that moves from the air delivery port over the heated surface to the air intake port. The food products are warmed by heat emanating from the heated surface and by warm air from the stream of circulating heated air. A balancing system maintains the circulating air in balance by diverting a portion of the return air to ambient atmosphere through a bleed exhaust port.

La présente invention concerne un chauffe-aliments (10) comportant un bac (11) destiné à contenir des produits alimentaires (16). Ce bac (11) comporte un orifice (21) de refoulement d'air et un orifice (26) d'entrée d'air situés sur des première et seconde parois (20, 25) placées de part et d'autre de la partie de base (12). Les zones au-dessus de la partie de base (12) et le long des troisième et quatrième bords opposés entre les première et seconde parois (20, 25) sont ouvertes, de sorte que les produits alimentaires (16) soient visibles aux clients. La partie de base (12) comporte une surface chauffée (14) conçue pour recevoir les produits alimentaires (16) à réchauffer. Un moyen (70) de circulation d'air forme un écoulement d'air (90) chauffé de circulation qui se déplace de l'orifice (21) de refoulement d'air au-dessus de la surface chauffée (14), jusqu'à l'orifice (26) d'entrée d'air. Les produits alimentaires (16) reçoivent la chaleur émanant de la surface chauffée (14) et de l'air chaud provenant de l'écoulement d'air (90) de circulation. Un système maintient l'air de circulation (90) en équilibre en déviant une partie de l'air de retour vers l'atmosphère ambiante via un orifice de purge (18).

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