초록 ▼

Journal bearings comprising two half bearings are described. Only one half bearing, in the highest loaded position, has an overlay coating. Preferably the non-overlay coated half comprises a silicon containing aluminum alloy which exerts a polishing action on the shaft journal thus decreasing the de

Journal bearings comprising two half bearings are described. Only one half bearing, in the highest loaded position, has an overlay coating. Preferably the non-overlay coated half comprises a silicon containing aluminum alloy which exerts a polishing action on the shaft journal thus decreasing the degree of abrasiveness of the journal. The non-overlay coated half may also be profiled to allow accelerated polishing of the shaft journal.

대표청구항 ▼

A journal bearing comprising an upper and a lower half-bearing, said upper half-bearing being received in the rod portion of an engine connecting rod and said lower halfbearing being received in the cap portion of said connecting rod so as to receive a shaft journal passing through the bearing where

A journal bearing comprising an upper and a lower half-bearing, said upper half-bearing being received in the rod portion of an engine connecting rod and said lower halfbearing being received in the cap portion of said connecting rod so as to receive a shaft journal passing through the bearing wherein said upper half-bearing includes a first bearing material layer having thereon a second, softer overlay bearing material layer, and said lower half-bearing has a running surface of a different material comprising a silicon containing aluminium alloy for effecting a relatively enhanced polishing action on the shaft journal to reduce the wear rate of said overlay material on said upper half-bearing.