Patent · US Expired

Motorized damper apparatus

US5096156A · kind A · utility

23Cited by

5References

13Claims

0Family size

Assignee

Beutler Heating & Air Conditioning · US

Inventors

Calvin R. Wylie · Monta Vista, US
Michael Kuhlmann · Bielefeld, DE
Patrick H. Crites · Folsom, US

Key dates

Filing date	Apr 22, 1991
Grant date	Mar 17, 1992
Priority date	—
Expiry date	Apr 22, 2011

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF24F2013/146
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

Motorized damper apparatus including a conduit, a damper blade movably mounted within the conduit between an open position and a closed position, and mechanism including a motor for moving the damper blade between the open and closed positions. The damper blade is decoupled from the motor after movement of the damper blade from the closed position to the open position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.