CYLINDER, METHOD FOR FINISHING A CYLINDER, RECIPROCATING PISTON SYSTEM AND USE OF A RECIPROCATING PISTON SYSTEM
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United States of America Patent
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Issued Date -
Apr 4, 2019
app pub date -
Nov 30, 2018
filing date -
Nov 30, 2018
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Abstract
A cylinder for a reciprocating piston system, with a cylinder running surface, which is finished by machining by means of a tool with a geometrically defined cutting edge, wherein the finished cylinder running surface has a multiplicity of pores and/or cavities and is formed from a grey cast iron material with a proportion of the surface area that is taken up by pores of 2 to 10% or is formed from a thermally sprayed layer of iron or a thermally sprayed layer of ceramic with a proportion of the surface area that is taken up by pores of 5 to 25%. A method is also provided for finishing a cylinder in which a cylinder running surface of the cylinder is finished by machining by a tool with a geometrically defined cutting edge such that after the finishing the cylinder surface has a multiplicity of pores and/or cavities.
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