Patents Assigned to Getag AG
  • Apparatus for drying a moist material by air heated by a heat pump
    Patent number: 4644666
    Abstract: In the method for drying moist agricultural products, the relative humidity of fresh air inducted from the environment is reduced by heating it so that the fresh air can take up moisture from the products to be dried. A portion of the thermal energy contained in the moist exhaust air is extracted by the evaporator of a heat pump before the moist exhaust air exits to the environment. At temperature below 10.degree. C. a portion of the moist exhaust air is mixed with the cold fresh air before being heated by the condenser of the heat pump.
    Type: Grant
    Filed: July 9, 1985
    Date of Patent: February 24, 1987
    Assignee: Getag AG
    Inventors: Heini Eberle, Josef Huber