Piston and Method of Piston Remanufacturing
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United States of America Patent
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Issued Date -
Mar 2, 2017
app pub date -
Aug 26, 2015
filing date -
Aug 26, 2015
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Abstract
A method of remanufacturing a piston includes machining an exterior surface of a body of the piston to define a reference surface. The reference surface is inwardly offset relative to a portion of the exterior surface adjacent the reference surface. The body is made from a body material comprising a metal. A layer of a cold spray powder is applied to the reference surface via cold spraying to define a piston blank surface. The piston blank surface is outwardly offset relative to the portion of the exterior surface adjacent the reference surface. The cold spray powder is made from a powder material comprising the metal. The piston blank surface is machined to define a piston finish surface. The piston finish surface has a dimension which is within a predetermined range.
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