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Piston Cleaning ring

2021-06-11

The piston crown top land height has increased over time to secure the cylinder condition. Because of the increased top land dimensions, deposits on the top land have become more critical than for shorter top land engines.The PC-ring has been introduced since 2000.(PS:For the development of piston will be pubished in new topic.

The piston cleaning ring is arranged in the top of cylinder liner.The piston cleaning ring is installed to protect against excessive deposit build-up on the piston crown top land by scraping off the deposits when the piston approaches top dead center (TDC).
The piston cleaning rings are updated with the accumulation of experience.