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:
Mar. 26, 1985
Filed:
Jun. 16, 1983
Applicant:
Inventor:
Willie T Grant, Lakewood, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
236 49 ; 98 4025 ; 981212 ; 137601 ;
Abstract
Automatic damper means having a multiplicity of damper blades rotatably mounted in housing means to control and regulate the flow of a heating/cooling medium into individual rooms or zones served by a central heating/cooling appliance. The damper blades are opened and closed by a reversible motor connecting to a driver blade, all blades being interconnected by linkage means. The motor and a fuel control device on the heating/cooling appliance are energized by thermostatic means.