Patents Assigned to Etablissements Trouvay and Cauvin S.A.
  • Patent number: 4484536
    Abstract: A flow indicator has a pivoting flap fitted in ducting of a hydraulic installation which transports contaminated liquids. To permit the purge of a reservoir, the flap has an opening for air returning through the ducting. The opening prevents overpressure or vacuum in a circuit. The invention applies specifically to purge and vent circuits for nuclear power installations.
    Type: Grant
    Filed: March 5, 1982
    Date of Patent: November 27, 1984
    Assignee: Etablissements Trouvay and Cauvin S.A.
    Inventors: Jean Henocque, Henri Besnard