Patent
Lubricated radial bearing assembly
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TLDR
In this paper, a bearing compartment formed between the rotor assembly and the engine stationary structure was described, where the bearing was used to prevent the flow of excess ambient engine air into the compartment, and Lubricating and cooling oil was supplied to the compartment where it was positively apportioned between the bearing and the seal plate.Abstract:
Apparatus for supporting a rotor assembly of a gas turbine engine is disclosed. A lubricated ball type thrust bearing which supports one end of the rotor shaft is disposed within a bearing compartment formed between the rotor assembly and the engine stationary structure. One or more carbon seals, in operative relation to a seal plate on the rotor assembly, prevent the flow of excess ambient engine air into the compartment. Lubricating and cooling oil is supplied to the compartment where it is positively apportioned between the bearing and the seal plate.read more
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Patent
Rotor assembly for a gas turbine engine and method of disassembly
Frederick C Hetzer,Guy W Miller +1 more
TL;DR: In this paper, a rotor assembly for a gas turbine engine is described, which includes a rotor shaft 42 extending between the compression section and the turbine section, and an annular shaft 66 engages a bearing 64, is joined to a rotor blade assembly 74, and rotatably supports the rotor shaft.
Patent
Oil scoop manifold
TL;DR: In this paper, an oil scoop manifold receives and directs the oil in fore and aft directions to lubricate multiple bearing assemblies, and a bearing assembly is lubricated by the manifold.
Patent
Lubricant distribution weir for lubricating moving machine elements
Stephen Anthony Wilton,Ning Fang,Ramon Themudo,David Scott Whitford,Ray Harris Kinnaird,Kenneth Lee Fisher +5 more
TL;DR: In this article, a rotating circumferential lubricant reservoir is used to provide uniform flow of lubricant over the top of a rotating weir around the circumference of the weir.
Patent
Method and device for minimizing oil consumption in a gas turbine engine
TL;DR: In this article, a method of minimizing oil consumption in a gas turbine engine, by avoiding reliance on air intake into the engine oil circuit for bearing chamber oil sealing purposes, is presented.
Patent
Method of disassembly for a gas turbine engine
Frederick C Hetzer,Guy W Miller +1 more
TL;DR: In this article, a rotor assembly for a gas turbine engine is described, which includes a rotor shaft 42 extending between the compression section and the turbine section, and an annular shaft 66 engages a bearing 64, is joined to a rotor blade assembly 74, and rotatably supports the rotor shaft.
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