Patents Assigned to Cattinair
  • Process for filtering air and cyclone filter with filter cartridge for implementing the process
    Patent number: 5032153
    Abstract: Process and apparatus for filtering air in a cyclone filter by reducing the ascending speed of air to be filtered in the lower part of the filter by providing a skirt on the filter cartridge. Perforations are included in the skirt, which make it possible to increase the intake surface for the air at the lower intake of the skirt. Moreover, the diameter and density of the perforations are adapted according to the type of dusts and wastes suspended in the air.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: July 16, 1991
    Assignee: Cattinair
    Inventor: Gabriel Cattin