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High efficiency range

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20120272947 patent thumbnailZoom

High efficiency range


An oven includes an oven enclosure having a plurality of walls defining an oven cavity. The oven enclosure includes an oven door for accessing the oven cavity. The oven includes a venting assembly attached to a wall of the oven enclosure and in fluid communication with the oven cavity. The venting assembly includes an exhaust passage attached to the wall of the oven enclosure, the exhaust passage defining a flow path through which exhaust gas flows from the oven cavity. The venting assembly includes a flow control device positioned within the exhaust passage, the flow control device selectively restricting the passage of the exhaust gas through the exhaust passage. The venting assembly includes a fluid treatment structure disposed downstream from the flow control device within the exhaust passage, the fluid treatment structure altering characteristics of the exhaust gas flowing through the exhaust passage.

Browse recent Electrolux Home Products, Inc. patents - Charlotte, NC, US
Inventors: Bryan Thomas Phillips, Denise Wyrick, Vittorio Cascianelli
USPTO Applicaton #: #20120272947 - Class: 126 21 R (USPTO) - 11/01/12 - Class 126 


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The Patent Description & Claims data below is from USPTO Patent Application 20120272947, High efficiency range.

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CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to U.S. Provisional Application No. 61/479,518, filed Apr. 27, 2011 entitled “High Efficiency Range,” which application is hereby incorporated by reference in its entirety.

FIELD

The present invention relates generally to ovens and, more particularly, to ovens having venting assemblies for ducting exhaust air.

BACKGROUND

Ovens generally utilize a heating assembly to heat an interior of an oven cavity. The heating assembly remains on until an interior of the oven cavity reaches a set temperature. Once the oven cavity reaches the set temperature, the heating assembly will turn off The heating assembly will remain off until a certain minimum temperature is reached within the oven cavity, whereupon the heating assembly will cycle back on to heat the oven cavity to the set temperature. During this on/off cycling of the heating assembly, exhaust air from the interior of the oven is continuously vented regardless of whether the heating assembly is on or off.

BRIEF

SUMMARY

The following presents a simplified summary of the invention in order to provide a basic understanding of some example aspects. This summary is not an extensive overview. Moreover, this summary is not intended to identify critical elements nor delineate the scope of the invention. The sole purpose of the summary is to present some concepts in simplified form as a prelude to the more detailed description that is presented later.

In accordance with one aspect, an oven is provided including an oven having an oven enclosure including a plurality of walls defining an oven cavity. The oven enclosure includes an oven door for accessing the oven cavity. A venting assembly is attached to a wall of the oven enclosure and in fluid communication with the oven cavity. The venting assembly includes an exhaust passage attached to the wall of the oven enclosure, the exhaust passage defining a flow path through which exhaust gas flows from the oven cavity. The venting assembly includes a flow control device positioned within the exhaust passage, the flow control device selectively restricting the passage of the exhaust gas through the exhaust passage. The venting assembly also includes a fluid treatment structure disposed downstream from the flow control device within the exhaust passage, the fluid treatment structure being configured to alter characteristics of the exhaust gas flowing through the exhaust passage.

In accordance with another aspect, an oven is provided including an oven, including an oven enclosure including a plurality of walls defining an oven cavity, the oven enclosure including an oven door for accessing the oven cavity. A venting assembly is attached to the oven enclosure and in fluid communication with the oven cavity. The venting assembly includes an exhaust passage defining a flow path through which exhaust gas flows from the oven cavity. The venting assembly includes a fan positioned within the exhaust passage, the fan configured to selectively draw the exhaust air from the oven cavity and into the exhaust passage. The venting assembly further includes a heat exchanger disposed downstream from the fan and in fluid communication with the exhaust passage, the exhaust air flowing through the heat exchanger, the heat exchanger being positioned in proximity to an air inlet of the oven enclosure such that the heat exchanger is configured to heat fresh air passing through the air inlet.

In accordance with another aspect, a method of heating an oven is provided including an oven, including an oven enclosure including a plurality of walls defining an oven cavity. A venting assembly is attached to the oven enclosure and in fluid communication with the oven cavity. The venting assembly includes an exhaust passage defining a closed loop flow path through which exhaust gas flows from the oven cavity and into the exhaust passage. A flow control device is positioned within the exhaust passage, the flow control device selectively restricting the passage of the exhaust gas through the exhaust passage. A catalyst is disposed within the exhaust passage downstream from the flow control device, the catalyst being configured to alter characteristics of the exhaust gas flowing through the exhaust passage.

BRIEF DESCRIPTION OF THE DRAWINGS

The foregoing and other aspects of the present invention will become apparent to those skilled in the art to which the present invention relates upon reading the following description with reference to the accompanying drawings, in which:

FIG. 1 is a perspective view of an oven;

FIG. 2 is a rear perspective view of the oven including a venting assembly for controlling a flow of exhaust gas;

FIG. 3 is a partially exploded rear perspective view of the oven including the venting assembly;

FIG. 4 is a schematic view of the oven including the venting assembly; and

FIG. 5 is a side view showing a second example oven including a second example venting assembly for controlling a flow of exhaust gas.

DETAILED DESCRIPTION

Example embodiments that incorporate one or more aspects of the present invention are described and illustrated in the drawings. These illustrated examples are not intended to be a limitation on the present invention. For example, one or more aspects of the present invention can be utilized in other embodiments and even other types of devices. Moreover, certain terminology is used herein for convenience only and is not to be taken as a limitation on the present invention. Still further, in the drawings, the same reference numerals are employed for designating the same elements.



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Previous Patent Application:
Flow control device for an oven
Next Patent Application:
Auxiliary heating duct for an indirect fired heater
Industry Class:
Stoves and furnaces
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stats Patent Info
Application #
US 20120272947 A1
Publish Date
11/01/2012
Document #
13458536
File Date
04/27/2012
USPTO Class
126 21 R
Other USPTO Classes
International Class
24C15/32
Drawings
6



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