Patents Assigned to Compagnie Lyonnaise de Transmissions Optiques, SA
  • Apparatus for removing dust from the atmosphere around a tube
    Patent number: 4666487
    Abstract: Apparatus for removing dust from the atmosphere around an externally heated tube (1) having a deposit being made on its inside surface from a vapor phase, said dust being removed by setting up a laminar flow of dust-free air around the tube. The apparatus includes members (7, 8, 9, 10) for setting up laminar air flows in planes parallel to the axis of the tube and on either side thereof, together with members (15, 16) for setting up flows of air perpendicularly to the axis of the tube and on either side thereof.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: May 19, 1987
    Assignee: Compagnie Lyonnaise de Transmissions Optiques, SA
    Inventor: Patrice Gerault