Patents Examined by Marguerite McMahoh
  • Crankcase ventilation self-cleaning coalescer with intermittent rotation
    Patent number: 8893689
    Abstract: A method and system is provided for regenerating and cleaning an air-oil coalescer of a crankcase ventilation system of an internal combustion engine generating blowby gas in a crankcase. The coalescer coalesces oil from the blowby gas. The method and system includes regenerating and cleaning the coalescer by intermittent rotation thereof.
    Type: Grant
    Filed: January 29, 2013
    Date of Patent: November 25, 2014
    Assignee: Cummins Filtration IP, Inc.
    Inventors: Saru Dawar, Scott W. Schwartz, Brian W. Schwandt, Barry Mark Verdegan