×

Thermally actuated diffuser

  • US 4,523,713 A
  • Filed: 01/20/1983
  • Issued: 06/18/1985
  • Est. Priority Date: 01/20/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. In a diffuser of the type for regulating the flow of air from a duct or other source to a room or other space including air flow control means for varying the size of an opening in said diffuser to regulate the flow of air, first sensor-actuator means responsive to room air temperature and operatively associated with said flow control means for modulating said flow control means, and second sensor-actuator means responsive to air duct temperature, wherein the improvement in said diffuser comprises:

  • third sensor-actuator means responsive to room air temperature and operatively associated with said flow control means for modulating said flow control means; and

    said second sensor-actuator means being further formed to disassociate at least one of said first sensor-actuator means and said third sensor-actuator means from said flow control means in response to air duct temperature present in said duct to thereby control the flow of air from said diffuser.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×