The adjustable spherically seated self-aligning bearing housings used in turbines are provided with oil deflector rings. The function of these rings is to __________.
• Oil deflector ring purpose in rotating machinery • Difference between lubrication / oil distribution devices and leak-prevention devices • How oil is kept away from high-temperature steam areas and from escaping the housing
• Think about where the bearing housing is located in relation to the turbine casing and steam spaces. What type of contamination or loss would be most critical there? • Ask yourself: does a simple deflector ring normally force oil through a bearing, or does it serve more as a shield or barrier? • Consider what other components (like seals, grooves, or pumps) usually handle lubrication flow versus leakage control.
• Clarify in your mind whether oil rings and oil deflector rings have the same job or different primary functions. • Decide which of the options sounds more like a function of an oil distribution device (getting oil into or through the bearing), and which sound more like leak or contamination control. • Before choosing, picture the path of steam and oil around a turbine bearing: which direction would you most want the deflector ring to keep oil from moving?
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