Patent ID: 6099168
Filing Date: 2000-08-08
Classification: F01D,F04D,F05D,F16C

Abstract:
A centrifugal compressor having a composite roller bearing and an annular radially disposed split ring diffuser, the diffuser including an inner and an outer ring, said inner ring being composed of a hardened material and having an inner groove disposed in the outer diameter and adapted to receive the composite roller bearing, and said outer ring being composed of a non-hardened material and having an outer groove in the inner diameter, said outer groove being adapted to receive the composite roller bearing, the composite roller bearing comprising:a cylindrical metal body being composed of a hardened material and having an external surface, an internal bore, a first end and a second end; anda pair of cylindrical thrust washers mounted concentrically to the first and second ends, respectively so as to be in sliding contact with said inner and outer rings at their respective grooves.