Patents Assigned to A/S Dampskibsselskabet Svendborg
  • Use of ferrocene
    Patent number: 5746784
    Abstract: A process for reducing carbonaceous deposits caused by the combustion of heavy fuel oil in high-compression, spontaneous-ignition internal combustion engines involves adding an additive such as ferrocene or ethyl ferrocene to a heavy fuel oil having a density of 0.9 to 1.01 kg/dm.sup.3 in an amount of 1 to 100 ppm prior to combustion of the fuel oil and combusting the fuel oil in the high-compression, spontaneous-ignition internal combustion engine. The additive is dissolved in the heavy fuel oil.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: May 5, 1998
    Assignees: Chemische Betriebe Pluto GmbH, A/S Dampskibsselskabet Svendborg, Dampskibsselskabet AF 1912 A/S
    Inventors: Walter Thunker, Gabriele Lohmann, Arnim Marschewski, Tage Nielsen, Christian Lutzen