Patents by Inventor Kouji Kohno

Kouji Kohno has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cylinder block structure for internal combustion engine
    Patent number: 4696267
    Abstract: A cylinder block is provided with a balancer case for accommodating a balance shaft. A blowby passage communicating the interior of the crankcase and the interior of the cylinder head for returning blowby to the intake system is provided to extend through a side wall of the cylinder block and the interior of the balancer case, the interior of the balancer case forming a part of the blowby passage.
    Type: Grant
    Filed: October 23, 1985
    Date of Patent: September 29, 1987
    Assignee: Mazda Motor Corporation
    Inventors: Kouji Kohno, Hiroichi Takubo, Toshinobu Ito
  • Bearing arrangements for balancing shafts of internal combustion engines
    Patent number: 4690111
    Abstract: An internal combustion engine having a pair of balancing shafts carrying eccentric balancing weights and driven in a direction of counterbalancing effects of reciprocating parts. Each balancing shaft is positioned to extend in parallel with the crankshaft and supported by bearings of which upper portions are defined by deck portions formed in the cylinder block. Compact arrangements can be accomplished by the locations of the balancing shafts.
    Type: Grant
    Filed: October 28, 1985
    Date of Patent: September 1, 1987
    Assignee: Mazda Motor Corporation
    Inventors: Kouji Kohno, Hiroichi Takubo, Toshinobu Ito