Piston for a reciprocating piston machine, particularly an inter

Internal-combustion engines – Cooling – Internal cooling of moving parts; e.g. – hollow valves,...

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92186, 123 4137, F01D 310

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active

043632939

ABSTRACT:
A piston for a reciprocating piston machine, of the type swivelled by means of a piston pin to the associated connecting rod small and consisting of two members constituting the piston head and the piston skirt, assembled together by stud bolts. The central portion of the piston skirt is constituted by a cylindrical hollowed central boss, and the connection of the boss to the peripheral cylindrical surface of the piston skirt is by a peripheral annular crown. Said hollow of the central boss is provided with radial ribs.

REFERENCES:
patent: 3930472 (1976-01-01), Athenstaedt
patent: 4005686 (1977-02-01), Wizemann et al.

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