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Air curtain for open-fronted, refrigerated showcase

  • US 6,301,916 B1
  • Filed: 11/13/2000
  • Issued: 10/16/2001
  • Est. Priority Date: 06/12/1998
  • Status: Expired due to Fees
First Claim
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1. In a refrigerated storage and display case having an open front section along a major portion thereof, a compressor, condenser coils, a dissipater pan, a line for transferring refrigerant from the compressor to the condenser coils, and an air curtain passing downwardly in the open front section, an improvement comprising:

  • a refrigerant condenser;

    a precondenser coil interposed in the line for transferring the refrigerant from the compressor to the condenser coils, said precondenser coil being placed in the dissipater pan to provide a heat source for evaporating condensate;

    a fan motor means for passing air over the condenser coils to cool refrigerant in the condenser coils;

    means for filtering the air before passing through the fan motor means, said filtering means being located above the precondenser coil; and

    means for passing the condensate downwardly over the filtering means and then onto the precondenser coil.

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