Inductive heating apparatus with machine readable device

Details Inductive heating apparatus with machine readable device Inductive heating apparatus with machine readable device

2006-01-20

2008-10-07

Van, Quang T (Department: 3742)

Electric heating

Inductive heating

With heat exchange

C219S679000, C219S621000

Reexamination Certificate

active

07432478

ABSTRACT:
Heating devices and methods which are particularly useful in vending machines for hot products. Products such as foods, including beverages, contained in individual containers such as cans are rapidly heated to serving temperature by induction heating for delivery to a customer. Various types of products with different heating characteristics are rapidly heated without deleterious effects on the product by varying the power and timing of the inductive heating. The type of product is identified by machine-readable indicia on the container which are automatically scanned prior to heating. The containers may be agitated before, during and/or after heating to mix the contents and distribute heat evenly. The containers are heated in a manner to safely heat the product without overheating or causing damage to the container. A power management protocol turns off non-essential components of the vending machine while the inductive heater is energized to permit the vending machine to operate on a standard 120 VAC, 15 A electrical circuit without overload.

REFERENCES:
patent: 4784292 (1988-11-01), Johndrow et al.
patent: 02 081198 (1990-03-01), None
patent: 05 054255 (1993-03-01), None
patent: 09 062922 (1997-03-01), None
patent: 2000231666 (2000-08-01), None
International Search Report, pp. 1-8.

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