Patents Assigned to Portlandzementwerk Dotternhausen Rudolf Rohrbach KG
  • Installation for the de-dusting of hot gases
    Patent number: 4021194
    Abstract: An installation for the de-dusting of hot gases, in particular the exhaust air of product coolers for cement, lime and dolomite furnaces or similar furnaces, in which the hot gases are conveyed from an exhaust gas chamber, cooled in the presence of fresh air, and then conducted into a web or fabric filter for the de-dusting thereof.
    Type: Grant
    Filed: November 22, 1974
    Date of Patent: May 3, 1977
    Assignee: Portlandzementwerk Dotternhausen Rudolf Rohrbach KG
    Inventor: Gustav Weislehner