Patents Assigned to Osrodek Badawczo-Rozwojowy Przemyslu Budowy Urzaszen Chemicznych "Cebea"
  • Electrohydraulic press drive system
    Patent number: 4026107
    Abstract: An electrohydraulic press drive system comprising a pressure transformer h variable ratio of displacement volume connected in series in a drive hydraulic circuit between a gas-hydraulic accumulator and a press cylinder. The pressure transformer consists of a hydraulic motor, which is connected mechanically with a hydraulic pump, the source of drive power of the pressure transformer being the gas-hydraulic accumulator.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: May 31, 1977
    Assignee: Osrodek Badawczo-Rozwojowy Przemyslu Budowy Urzaszen Chemicznych "Cebea"
    Inventors: Andrzej Kosek, Adam Grudzewski