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:
May. 03, 1983
Filed:
Oct. 16, 1981
Willie T Grant, Lakewood, CO (US);
Other;
Abstract
An automatic damper device constructed to be integrated in multiple units into forced air heating and cooling systems for the purpose of controlling and regulating air flow to all rooms, individually and concurrently, within a dwelling; the automatic damper means incorporating a damper housing having a rotatable damper plate connected by flexible cable to dual solenoid motor means that are energized through dual switch means. Damper housing is installed in duct boot terminating in room register, and damper plate is rotatable between open and closed positions by said cable means attached to common solenoid plunger when automatic damper device responds to commands from associated room thermostat that controls damper motor means and combustion cycle of combustion means.