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:
Nov. 19, 1985
Filed:
Jan. 04, 1984
Applicant:
Inventor:
Willie T Grant, Lakewood, CO (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
236 / ; 236 51 ;
Abstract
In dwellings having a multiplicity of rooms that are warmed or cooled by a central heating/cooling device, automatic damper means are incorporated in each duct that transports the heating/cooling medium to said rooms; said damper means control and regulate the flow of said medium and control individual room temperatures in combination with room thermostats. Automatic damper means comprise motor support means attaching to said duct, a damper plate mounted within the duct and rotatable by motor means, said motor means are energized by a room thermostat whenever said thermostat operates a fuel control means of said heating/cooling device.