×

Control system for air quality and temperature conditioning unit with high capacity filter bypass

  • US 5,590,830 A
  • Filed: 10/04/1995
  • Issued: 01/07/1997
  • Est. Priority Date: 01/27/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. An air conditioning unit comprising:

  • a housing having an outside air inlet, a return air inlet and a discharge outlet, said return and outside air combining to form mixed air;

    filter means for filtering a portion of said return air;

    damper means for varying an amount of return and outside air admitted;

    conditioning means for maintaining enthalpy and quality levels of discharge air at desired levels;

    control means for determining which is more cost effective to maintain said quality and enthalpy of the discharge air (1) by incrementally increasing an amount of outside air without increasing filtration and (2) by incrementally increasing an amount of filtration without increasing the amount of outside air admitted, said control means adjusting said filter, damper, and conditioning means based on said determination.

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