Patents Assigned to Filterteknik b.w. AB
  • Patent number: 5356541
    Abstract: A method and filter arrangement for filtering particle-contaminated liquid which is caused to spill onto the upper side of a filter 2. Spray pipes 4, equipped with nozzles 5, are rotatably mounted beneath the filter, and spray flushing liquid against the underside of the filter. A drainage channel 7, mounted above the filter surface, catches and directs some of the particle carrying liquid to the outlet 3. The drainage channel has an extended portion which forms a channel inlet and also functions as a splash guard.
    Type: Grant
    Filed: August 25, 1992
    Date of Patent: October 18, 1994
    Assignee: Filterteknik b.w. AB
    Inventor: Bjorn Wickzell