What is a Piston ring?

The piston rings are ring-shaped components mounted on the piston of an internal combustion engine, playing a crucial role in maximizing engine performance. Piston rings serve primarily three purposes:

✅Sealing Pressure
The piston rings seal the gas pressure inside the cylinder, preventing leakage from the combustion chamber. This improves engine efficiency and ensures optimal power output.
✅Oil Control
Piston rings help regulate the flow of lubricating oil along the cylinder walls, reducing friction. They also prevent excessive oil from entering the combustion chamber, helping to reduce emissions.
✅Heat Transfer
Piston rings transfer heat from the piston to the cylinder walls, improving the engine's cooling efficiency and preventing overheating.

Piston rings are typically made from durable materials like iron or steel and are mounted on the piston. There are ✅generally three types of piston rings
✅Compression Rings
These maintain the pressure in the combustion chamber.
✅Oil Rings
These regulate the flow of oil.
✅Wiper Rings
These are auxiliary rings that help maintain oil control.

The degradation of piston rings can result in reduced engine performance or excessive exhaust emissions. Therefore, regular inspection and maintenance are necessary. If worn-out rings are ignored, engine compression may be lost, leading to a decrease in overall engine efficiency.

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