Patent ID: 7340834
Filing Date: 2008-03-11
Classification: C10M,C10N,F16C,Y10T

Abstract:
1. A method of lubricating a wave bearing in a machine having radial loads, axial loads, or both, said method comprising (a) introducing oil to said bearing to produce a lubricated bearing, wherein the oil is introduced into a gap between the bearing and a shaft by a pump or by a pocket supply system, and wherein the oil is selected from the group consisting of perfluoropolyethers, derivatized perfluoropolyethers, fluorosilicones, polychlorotrifluoroethers, and polyphenyl ethers, and (b) operating said machine at a temperature greater than 149° C., and at an operating speed of up to 1.4 million DN wherein said oil sustains said temperature without decomposition.