Gas furnace controller

a technology for gas furnaces and controllers, applied in mechanical equipment, lighting and heating equipment, combustion failure safes, etc., can solve the problem that little effort has been made to increase the safety of gas furnaces

Inactive Publication Date: 2006-04-25
BROWN DELTON R
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although technologically feasible, little effort has been made toward increasing the safety of gas furnaces.

Method used

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Embodiment Construction

[0011]Although those of ordinary skill in the art will readily recognize many alternative embodiments, especially in light of the illustrations provided herein, this detailed description is exemplary of the preferred embodiment of the present invention, the scope of which is limited only by the claims appended hereto.

[0012]Referring now to the figures, the gas furnace controller 10 of the present invention is shown to generally comprise a carbon monoxide analyzer 11 in fluid communication with an air sample collection tube 24, which is preferably located within the plenum 29 leading from a gas furnace 28 to a heating duct. As particularly shown in FIGS. 1 and 2, the carbon monoxide analyzer 11 and the air sample collection tube 24 may be dependently supported on opposite sides of a mounting plate 27 affixed to the wall of the plenum 29. In this manner, the gas furnace controller 10 of the present invention may be readily installed either upon initial installation of the gas furnace ...

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Abstract

A gas furnace controller for disrupting the flow of gas to a gas furnace upon detection of excessive levels of carbon monoxide comprises an air sample collector in fluid communication with a carbon monoxide detector, a gas supply shutoff circuit for controlling a valve in a gas supply line to the gas furnace; and a controller in electrical communication with the carbon monoxide detector and the gas supply shutoff circuit. The controller is adapted to actuate the gas supply shutoff circuit and sound an audible alarm in response to detection by the carbon monoxide detector of a predetermined level of carbon monoxide.

Description

RELATED APPLICATION[0001]This application claims, under 35 U.S.C. § 119(e) all available benefit of U.S. provisional patent application Ser. No. 60,358,513 filed Feb. 21, 2002. By this reference, the full disclosure of U.S. provisional patent application Ser. No. 60,358,513 is incorporated herein as though now set forth in its entirety.FIELD OF THE INVENTION[0002]The present invention relates to gas furnaces. More particularly, the invention relates to a controller for a gas furnace that automatically shuts off the supply of gas to the furnace and sounds an alarm upon the detection of an excessive level of carbon monoxide the furnace's plenum to a home's heating duct.BACKGROUND OF THE INVENTION[0003]Hundreds of deaths per year are attributed to accidental carbon monoxide poisoning within residential dwellings. May of these deaths occur due to a malfunction within a gas furnace. Although technologically feasible, little effort has been made toward increasing the safety of gas furnace...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): F23N5/24
CPCF23N5/003F23N5/242F23N2041/02F23N2031/20F23N2231/20F23N2241/02
Inventor BROWN, DELTON R.
Owner BROWN DELTON R
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