Description

INGCO GE55003-SP-42 Generator-Piston

The INGCO GE55003-SP-42 Generator-Piston is a very crucial product. It has various features that compliments it.

1. Features of a Piston:
   • Piston Head (Crown): The piston head receives the majority of the initial pressure and force generated during the combustion process.
   • Piston Pin Area: This region experiences significant force due to rapid directional changes. It is also subject to thermal expansion caused by heat transfer from the head to the body of the piston.
   • Elliptical Shape: Some pistons are designed with an elliptical shape. When cold, they are elliptical, but as the engine reaches operating temperature, they become circular. This circular shape matches the cylinder bore, improving sealing and combustion efficiency.
   • Taper Design: Certain pistons have a taper, with the smallest diameter at the piston head. This compensates for thermal expansion and growth, allowing the piston to move freely in the cylinder bore regardless of heat applied to the head.
   • Barrel-Shaped Skirt: In some engines (like Briggs & Stratton), the piston skirt has a barrel shape. This design reduces noise, spreads directional change forces, and minimizes side loading on the skirt during stroke transitions.
   • Offset Piston Pin: Pistons may have the piston pin offset from the center. Proper orientation (marked by a notch or arrow) ensures quieter engine operation by reducing piston wobble and related noise.
2. Dimensions:
   • Compression Height (KH): The distance from the piston crown to the top of the piston pin bore.
   • Total Height (GL): The overall height of the piston.
   • Pin Diameter (BO): Diameter of the piston pin.
   • Top Land Height: Height of the top land (area between the top ring groove and the crown).
   • Skirt Length (SL): Length of the piston skirt.

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