Internal-combustion engines – Particular piston and enclosing cylinder construction – Piston
Patent
1996-05-21
1997-08-05
McMahon, Marguerite
Internal-combustion engines
Particular piston and enclosing cylinder construction
Piston
92220, 92238, F01P 104
Patent
active
056532040
ABSTRACT:
The design and construction of past piston pin assemblies includes a retaining device which adds stress concentration factors to the piston pin assembly, piston skirt or piston crown. The present invention provides a device for retaining the piston assembly to the connecting rod and retaining the two parts of the piston pin assembly together without adding a stress concentration factor. The device uses a retaining means which applies a compressive force along the entire piston pin to add rigidity to the piston pin assembly. This design additionally allows for a stronger piston assembly with greater pull apart resistance and/or a lighter total weight piston assembly.
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Caterpillar Inc.
Hampsch Robert J.
McMahon Marguerite
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