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Fully articulated and comprehensive air and fluid distribution, metering and control method and apparatus for primary movers, heat exchangers, and terminal flow devices

  • US 20080156887A1
  • Filed: 01/14/2008
  • Published: 07/03/2008
  • Est. Priority Date: 05/03/2005
  • Status: Active Grant
First Claim
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1. An apparatus for mixing airstreams and adjusting percentages of OA/RA (Outdoor Air/Return Air) content in air distribution systems (FIG. 4) which comprisesa main flow-pressure sensing station measuring total air quantity (2);

  • a ducted mixing box housing fitted with dual damper control (3) and sensing stations (4) in parallel operation (19);

    an actuation means of modulating open or closed, allowing both air streams to be throttled and mixed in particular proportions of Outdoor Air primary air quantity and Return Air secondary air quantity at operating conditions set (10) and maintained as per flow-pressure monitor sensor input (2, 4).

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