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Multi-Part Piston for an Internal Combustion Engine

  • US 20090007880A1
  • Filed: 12/20/2006
  • Published: 01/08/2009
  • Est. Priority Date: 12/23/2005
  • Status: Active Grant
First Claim
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1. Multi-part piston (10) for an internal combustion engine, having an upper piston part (11) and a lower piston part (12), whereby the upper piston part (11) has a threaded head (31) provided with an outside thread on its side facing the lower piston part (12), and the lower piston part (12) has a support plate (33) with a plate body (36) and a threaded body (34) provided with an inside thread on its side facing the upper piston part (11), into which the threaded head (31) is screwed, wherein the plate body (36) is connected with the lower piston part (12) by way of a connection region (37), in such a manner that the lower end (38) of the threaded body (34) lies lower, with reference to the longitudinal piston axis (A), than the lower end (39) of the connection region (37).

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