Piston Rings. Purpose: Seal to prevent loss of compression pressure Transfer heat of combustion to cylinder walls Support/guide piston in bore Piston.

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Presentation transcript:

Piston Rings

Purpose: Seal to prevent loss of compression pressure Transfer heat of combustion to cylinder walls Support/guide piston in bore Piston Rings

Construction Materials Cast Iron Steel Coatings Porous Chrome Molybdenum Black Oxide

Piston Rings Top Middle Bottom Compression Napier Oil Control

Piston Rings - Compression Rectangular

Piston Rings - Compression Taper Face

Piston Rings - Compression Internally Beveled

Piston Rings - Compression Internally Stepped

Piston Rings - Compression Internal Bevel Reverse Twist

Piston Rings – Napier Napier

Piston Rings - Napier Taper Faced Napier

Piston Rings – Oil Control Slotted

Piston Rings – Oil Control Expander Spring Backed

Piston Rings – Oil Control Coil Spring Loaded - Slotted

Piston Rings – Oil Control Coil Spring Loaded - Beveled

Piston Rings – Oil Control Coil Spring Loaded – Double Beveled

Piston Rings – Oil Control Coil Spring Loaded – Beveled Edge, Chrome Plated

Piston Rings – Oil Control Expander/Segment

Piston Rings – Design/Function Tangential Pressure

Piston Rings – Comp Ring Seal

Gas Ports

Piston Rings Typical Ring Package

Piston Rings Typical Ring Package

Piston Rings – Break-in Cylinder bore finish (honed) at 1000X

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