Patents Assigned to Grignotage, (SARL)
  • Patent number: 5968231
    Abstract: A device and a method for purifying and decontaminating air uses an exchanger of the cyclone type and furthermore employs a combination of the action of cyclonic centrifugation and the action of at least one path enhancing field. A tranquilizing chamber, which is separated from the cyclone exchanger by a vent, maintains a volume of liquid into which particles and droplets are received from the peripheral wall. To this end, particulates are partially electrified before entering the enhancing field.
    Type: Grant
    Filed: September 9, 1997
    Date of Patent: October 19, 1999
    Assignee: Grignotage, (SARL)
    Inventors: Michel Parmentier, Jean-Charles Weber