Big and bearing shell

Details Big and bearing shell Big and bearing shell

2007-09-04

2007-09-04

Johnson, Vicky A. (Department: 3682)

Machine element or mechanism

Elements

Pitmans and connecting rods

Reexamination Certificate

active

10450303

ABSTRACT:
The invention relates to a big end bearing shell (4, 6) for a connecting rod (2), consisting of titanium or a titanium alloy. The shell comprises a support layer (8, 20) consisting of steel and an anti-friction layer (16, 26) for the crankshaft. According to the invention, the back of the support layer (8, 20) is clad with a layer (10, 22) of tin bronze material, with a thickness of 10-50 μm to prevent fretting corrosion and frictional abrasion.

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