COOKING APPLIANCES USING HEATER COATINGS
First Claim
Patent Images
1. A cooking oven, comprisinga plurality of walls defining a oven cavity;
- a heating element comprising at least one thermally-sprayed resistive heating layer, the resistive heating layer comprising a substantially lamellar structure comprising a first material and a second material, wherein the first material is an electrically conducting material and the second material is an electrically insulating material, the heating element in thermal communication with the oven cavity; and
at least one electrical connector in electrical contact with the resistive heating layer.
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Accused Products
Abstract
An oven comprising a housing with a heating element having a heating layer, a support structure and a control system to control the operating temperature of the oven. The heater layer is preferably a thermally sprayed layer.
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Citations
48 Claims
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1. A cooking oven, comprising
a plurality of walls defining a oven cavity; -
a heating element comprising at least one thermally-sprayed resistive heating layer, the resistive heating layer comprising a substantially lamellar structure comprising a first material and a second material, wherein the first material is an electrically conducting material and the second material is an electrically insulating material, the heating element in thermal communication with the oven cavity; and at least one electrical connector in electrical contact with the resistive heating layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An air circulation system for a convection oven, comprising
an apparatus for providing an air stream; -
a heating element comprising at least one thermally-sprayed resistive heating layer, the resistive heating layer comprising a substantially lamellar structure comprising a first material and a second material, wherein the first material is an electrically conducting material and the second material is an electrically insulating material, the heating element in thermal communication with the air stream; and at least one electrical connector in electrical contact with the resistive heating layer. - View Dependent Claims (36)
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37. A heating element for an oven, comprising:
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a support substrate; a thermally-sprayed resistive heating layer on the support substrate, the resistive heating layer comprising a substantially lamellar structure comprising a first material and a second material, wherein the first material is an electrically conducting material and the second material is an electrically insulating material; and at least one electrical connector in electrical contact with the resistive heating layer and configured to connect to a control system of an oven. - View Dependent Claims (38, 39, 40, 41, 42, 43, 44)
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45. A method of fabricating an oven, comprising:
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providing a substrate; thermally spraying a resistive heating layer on the substrate, the resistive heating layer comprising a substantially lamellar structure comprising a first material and a second material, wherein the first material is an electrically conducting material and the second material is an electrically insulating material; providing the resistive heating layer in thermal communication with an oven cavity; and providing at least one electrical connection between the resistive heating layer and a power source. - View Dependent Claims (46, 47, 48)
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Specification