Patents Assigned to Industri Zanussi S.p.A.
  • Patent number: 4580421
    Abstract: A laundry washing machine includes a washing tub, a washing drum for containing laundry to be washed, a collector for collecting washing liquid, and a recirculation pump connected to the collector and to the tub for recirculating the washing liquid from the collector to the tub and to spray it onto the laundry. The collector has therein at least one heating element and a thermostatic sensor for heating the washing liquid and for thermostatically controlling the temperature thereof, respectively. Level sensors and controls are provided for carrying out "intense" and "gentle" laundering programs for washing the laundry in a conventional manner, and with further sensors and controls for carrying out "intense" laundering programs at reduced filling levels of the washing liquid within the tub by repeatedly recirculating the liquid to the tub.
    Type: Grant
    Filed: December 3, 1984
    Date of Patent: April 8, 1986
    Assignee: Industri Zanussi S.p.A.
    Inventors: Piero Babuin, Giuseppe Frucco, Piero Durazzani