CARBON SCRAPER

摘要

A carbon scraper, a method of manufacturing a system with a carbon scraper, and method of scraping carbon from a piston of an internal combustion engine are provided. The carbon escaper includes an outer annular metallic shell portion having an annular recess therein. The annular scraper also includes an inlaid thermal barrier coating portion positioned within the annular recess of the outer annular metallic shell portion such that the inlaid thermal barrier coating portion is concentric with an outer annular metallic shell portion.

主权项

1. An engine assembly, comprising:
a cylinder block including a cylinder bore disposed therein, the cylinder bore configured to house a piston; and an annular scraper disposed within the cylinder bore, the annular scraper positioned concentrically in the cylinder bore, the annular scraper including an outer annular metallic shell portion and an inlaid thermal barrier coating portion, the inlaid thermal barrier coating portion positioned within an annular recess in the outer annular metallic shell portion, the inlaid thermal barrier coating portion concentric with the outer annular metallic shell portion.