Patents Examined by Richard L. Chieba
  • Method and a device for cleaning of crankcase gas
    Patent number: 6783571
    Abstract: For cleaning of crankcase gas produced by an internal combustion engine, that is arranged for propelling a vehicle, use is made of a centrifugal separator having a centrifugal rotor that is mounted on the vehicle. The cleaning efficiency of the centrifugal separator is changed by changing the rotational speed of an electrical motor, that is connected to a source of current on the vehicle and arranged for driving said centrifugal rotor.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: August 31, 2004
    Assignee: Alfa Laval Corporate AB
    Inventor: Mats Ekeroth