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Piston for internal combustion engines

  • US 5,894,824 A
  • Filed: 02/28/1997
  • Issued: 04/20/1999
  • Est. Priority Date: 02/29/1996
  • Status: Expired due to Fees
First Claim
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1. A piston for an internal combustion engine, comprising:

  • a ring land formed with a piston-ring groove;

    a skirt connected to said ring land so that said piston-ring groove is adjacent to said skirt, said skirt being formed with a piston-pin hole with a first axis substantially perpendicular to a central longitudinal axis of said piston; and

    a taper formed on an external surface of said skirt, said taper extending from a side surface of said piston-ring groove toward a plane including said first axis of said piston-pin hole, said taper converging on said ring land, said taper extending to at least a reference point located at half a distance between said first axis of said piston-pin hole and said side surface of said piston-ring groove.

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