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MAGNETIC ARC WELDED PISTON ASSEMBLY

  • US 20150314388A1
  • Filed: 04/16/2015
  • Published: 11/05/2015
  • Est. Priority Date: 05/01/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • providing a piston lower part defining a piston axis and at least a portion of an upper combustion bowl surface;

    positioning a piston upper part in proximity to the piston lower part, wherein the piston upper and lower parts cooperate to define at least in part an annular cooling gallery extending about the piston;

    bringing the piston upper and lower parts into contact along respective upper and lower mating surfaces; and

    inducing an electric current between the upper and lower mating surfaces while the upper and lower mating surfaces are in contact.

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