A - Human Necessities – 47 – J
Patent
A - Human Necessities
47
J
A47J 37/00 (2006.01) A23L 1/01 (2006.01) A47J 37/06 (2006.01) H05B 3/00 (2006.01) H05B 3/60 (2006.01) H05B 3/68 (2006.01) H05B 3/70 (2006.01) H05B 3/72 (2006.01)
Patent
CA 2449958
The thawing and cooking time of frozen hamburger patties (9) at minus 20 degrees Celsius can be reduced by the combination of ohmic and plate heating. The frozen patties (9) are held between metallic plates (2 and 4) heated to at least 180 degrees Celsius and which also acts as electrical contacts with the patties (9). Each plate is connected to a source of alternating current (50, 20) supplying a peak power consumption of about 13 watts/sq.cm of surface area of each patty (9) to be heated, so that interior of the patties can be heated by an electric current passing through the patty (9) as the patty (9) is also heated by the plates (2 and 4).
Il est possible de réduire la durée de décongélation et de cuisson de galettes de boeuf congelées (9) à moins 20 ·C par la combinaison de chauffage ohmique et de plaque chauffante. On retient les galettes congelées (9) entre des plaques métalliques (2 et 4) chauffées à au moins 180 ·C et qui servent également de contacts électriques avec les galettes (9). Chaque plaque est reliée à une source de courant alternatif (50, 20) fournissant une consommation d'énergie maximale d'environ 13 watts/cm?2¿ de la surface de chaque galette (9) à réchauffer, de sorte que l'intérieur des galettes soient chauffé par un courant électrique traversant la galette (9) au fur à mesure que la galette (9) est également réchauffée par les plaques (2 et 4).
Auckland Uniservices Limited
Borden Ladner Gervais Llp
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