The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7455238 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 25, 2008

Filed:

Oct. 25, 2005
Applicant:

Gordon Jeffrey Hugghins, Jacksonville, TX (US);

Inventor:

Gordon Jeffrey Hugghins, Jacksonville, TX (US);

Assignee:

Trane International Inc., Piscataway, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N 1/00 (2006.01); F23N 5/20 (2006.01); G05D 23/00 (2006.01); G05D 23/32 (2006.01); F24H 9/20 (2006.01); F24D 5/00 (2006.01); F27D 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A controller and method for operating an HVAC system including an air conditioning unit, such as a gas furnace, having three stages of heat output and responsive to signals from a single stage or two stage thermostat. The W, W, and Winputs to the controller may be configured for receipt of a single stage control signal simultaneously or paired as W, Wor W, W. The system controller is configured to determine which input connection arrangement is in existence and operates the system in mock one stage or mock two stage modes depending on the signals received from a single or two stage thermostat, respectively.


Find Patent Forward Citations

Hugghins, Gordon. (2008). Control system and method for multistage air conditioning system (U.S. Patent No. 7455238). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7455238

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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