Title: Electromagnetic oven which supplies different amounts of heat to items positioned in different regions of a single heating chamber

Abstract: An electromagnetic oven supplies differing quantities of electromagnetic heating energy to a variety of load items or the like all of which are located within the oven cavity. In one embodiment, a food bearing tray has a first region substantially shielded from the electromagnetic heating energy by means of a conductive shield which cooperates with a shaped interior wall of the oven to provide a desired nonuniform distribution of electromagnetic energy over those regions of the tray which are not shielded. A much higher energy concentration is developed, for example, at a region near a distended wall so that a food item located in that region is heated to a higher temperature than other food items upon the tray and in other regions.

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Inventors: Moore, Donald G. (Glencoe, IL, US)

Application Number: 380487
Filing Date: 1973-07-18
Publication_date: 1976-01-27
Assignee: Chemetron Corporation (Chicago, IL)
Primary Class(es): 219/750 219/729, 219/762
Other Classes:
US Patent Ref:

3271169	Sep, 1966	Baker et al.	219/10.
3302632	Feb, 1967	Fichtuer	219/10.
3353968	Nov, 1967	Krajewski	219/10.

Other Refs: 39,987

Nov, 1965	JA

Primary Examiner: Reynolds, Bruce A.
Assistant Examiner:
Attorney: Esser; N. M.