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Corrosion inhibitor module for a packaged terminal air conditioner unit

  • US 10,072,871 B1
  • Filed: 03/10/2017
  • Issued: 09/11/2018
  • Est. Priority Date: 03/10/2017
  • Status: Active Grant
First Claim
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1. A packaged terminal air conditioner unit, comprising:

  • an outdoor heat exchanger disposed in an outdoor portion;

    an indoor heat exchanger disposed in an indoor portion;

    a bulkhead disposed between the outdoor heat exchanger and the indoor heat exchanger along a transverse direction, the bulkhead defining the indoor portion and the outdoor portion;

    a drain pan defining a reservoir for collecting condensate from the indoor heat exchanger and the outdoor heat exchanger;

    a corrosion inhibitor module comprising a module housing positioned within the reservoir and defining an inlet and an outlet, and a corrosion inhibitor concentrate positioned within the module housing;

    an intake conduit providing fluid communication between the reservoir and the inlet of the module housing; and

    a circulation pump operatively coupled to the intake conduit for urging a flow of condensate from the reservoir and into the module housing, the flow of condensate mixing with the corrosion inhibitor concentrate to form an inhibitor solution that flows back into the reservoir through the outlet.

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