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Rapid transit car air conditioning system

  • US 3,173,275 A
  • Filed: 10/25/1963
  • Issued: 03/16/1965
  • Est. Priority Date: 10/25/1963
  • Status: Expired due to Term
First Claim
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1. IN A RAPID TRANSIT CAR, THE COMBINATION COMPRISING:

  • A CLOSED CAR BODY HAVING A FLOOR AND A CEILING;

    SAID FLOOR HAVING A PLURALITY OF OPENINGS SUBSTANTIALLY ALONG THE LONGITUDINAL CENTERLINE THEREOF;

    A PLURALITY OF TUBULAR AIR DUCTS EACH COVERING A DIFFERENT ONE OF SAID OPENINGS, EACH OF SAID DUCTS BEING VERTICAL AND EXTENDING UPWARDLY THROUGH THE INTERIOR OF THE CAR AND TERMINATING IN A DISTRIBUTION BULKHEAD ADAPTED TO DIRECT CONDITIONED AIR INTO THE CAR INTERIOR;

    AND AIR CONDITIONING APARATUS MOUNTED BENEATH SAID FLOOR, SAID APPARATUS COMPRISING A SINGLE COMPRESSOR-CONDENSER UNIT AND A PLURALITY OF EVAPORATOR UNITS EACH CONNECTED TO A DIFFERENT ONE OF SAID DUCTS AND ADAPTED TO BLOW CONDITIONED AIR THERETHROUGH.

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