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CYLINDER LINER OF A RECIPROCATING ENGINE

  • US 20130133608A1
  • Filed: 06/08/2011
  • Published: 05/30/2013
  • Est. Priority Date: 06/08/2010
  • Status: Abandoned Application
First Claim
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1. A cylinder liner of a heavy fuel oil (HFO) or high ash fuel (HAF) operated reciprocating engine, the cylinder liner having an inner surface acting as a running surface for piston rings, which running surface comprises an upper portion and a lower portion, wherein the upper portion includes at least a top dead centre region of a topmost piston ring, and in which cylinder liner only the upper portion of the running surface is provided with a coating of metal matrix composite reinforced with ceramic particles and the lower portion of the running surface is gray cast iron and uncoated, wherein the inner surface above the running surface is provided with a groove for accommodating an anti-polishing ring.

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