Piston-pin boss of a piston for an internal combustion engine
The invention related to a piston-pin boss of a piston for an internal combustion engine, comprising a piston-pin bore for receiving a piston pin. To improve the passage of oil and to form an oil reservoir, the interior surface of the bore comprises a transversal groove that lies parallel to the lon...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention related to a piston-pin boss of a piston for an internal combustion engine, comprising a piston-pin bore for receiving a piston pin. To improve the passage of oil and to form an oil reservoir, the interior surface of the bore comprises a transversal groove that lies parallel to the longitudinal axis of the piston-bore and opens towards the exterior of the piston and an oil circulation groove that intersects the transversal groove and encircles the longitudinal axis. |
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