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CLEAN ZONE HVAC SYSTEM

  • US 20150253022A1
  • Filed: 05/20/2015
  • Published: 09/10/2015
  • Est. Priority Date: 04/24/2011
  • Status: Active Grant
First Claim
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1. A system for controlling air flow in a plurality of zones, the system comprising:

  • a heat exchanger configured to exchange heat between fresh air received from an outside environment and exhaust air discharged to the outside environment without mixing the fresh air with the exhaust air;

    an air handling unit configured to receive the fresh air from the heat exchanger, condition the fresh air, and supply the conditioned air to the plurality of zones as supply air;

    a plurality of air recirculating units, each air recirculating unit configured to recirculate the supply air within one of the plurality of zones; and

    an air exhaust unit configured to extract the recirculated air from each of the plurality of zones and discharge the extracted air to the heat exchanger as the exhaust air, so that the exhaust air can be discharged from the heat exchanger to the outside environment.

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