Patent ID: 6712080
Filing Date: 2004-03-30
Classification: B08B,F01D

Abstract:
A flushing system for removing lubricant coking in a turbine bearing, within a bearing housing having a fluid inlet and fluid outlet, comprising:a plurality of fluid containing tanks, at least a first of which contains a coking solvent, a second of which contains a cleaner and a third of which contains a lubricant; first and second couplings, said first coupling being connected to said fluid inlet and said second coupling being connected to said fluid outlet, of said bearing housing; a supply pump having an inlet, and having an outlet connected to said first coupling; a return pump having an outlet, and having an inlet connected to said second coupling; a first valving arrangement connected between said plurality of tanks and said inlet of said supply pump and operable to provide fluid from a selected one of said tanks to said supply pump for delivery to said bearing housing; a second valving arrangement connected between said outlet of said return pump and said tanks to supply return fluid from said bearing housing to said tank selected by said first valving arrangement.