×

ADAPTIVE INTELLIGENT CIRCULATION CONTROL METHODS AND SYSTEMS

  • US 20070130969A1
  • Filed: 02/14/2007
  • Published: 06/14/2007
  • Est. Priority Date: 01/07/2004
  • Status: Active Grant
First Claim
Patent Images

1. A method of operating a fan of an HVAC system, wherein the HVAC system is controlled, at least in part, by two or more control signals provided by a thermostat including a fan control signal, wherein during normal operation, the fan control signal causes the fan to operate with at least a first fan “

  • on”

    time period followed by a first fan “

    off”

    time period, followed by a second fan “

    on”

    time period, the method comprising the steps of;

    generating a random or pseudo random fan start time delay;

    providing one or more of the control signals other than the fan control signal to the HVAC system without a delay related to the random or pseudo random fan start time delay; and

    providing the fan control signal with a delay that is at least related to the random or pseudo random fan start time delay in order to delay the start of the second fan “

    on”

    time period.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×