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.:
Date of Patent:
Sep. 16, 2003
Filed:
May. 10, 2002
Applicant:
Inventors:
J. Roger Davis, Russiaville, IN (US);
Michael G. McDermott, Kokomo, IN (US);
R. Thomas Fisher, Kokomo, IN (US);
Assignee:
Delphi Technologies, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25D 1/700 ;
U.S. Cl.
CPC ...
F25D 1/700 ;
Abstract
The present invention provides an HVAC fan control that includes a front fan switch, controller, rear fan switch, rear fan control circuit and a fan motor. The front fan switch and the rear fan switch electrically connect to the controller. Also, the fan motor is electrically connected to the rear fan control circuit and a front fan switch. Accordingly, the controller is responsive to inputs form the rear fan switch to operate the rear fan control circuit and select a desired fan motor speed when a logical ON condition is provided by the front fan switch.