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US 2003/0110778 A1Published application
Flexibly coupled dual shell bearing housing
AssigneeGeneral Electric Company
InventorsApostolos Pavlos Karafillis, Peter Walter Mueller, John Robert Ramsey
Life of this patent
Estimating the term…
Abstract
A bearing housing includes inner and outer shells through which a rotor shaft may extend. A service tube is fixedly joined to the inner shell and extends through a service aperture in the outer shell. A flexible coupling sealingly joins the service tube to the outer shell at the service aperture for permitting differential thermal movement between the inner and outer shells at the service tube.
Claims20
A bearing housing comprising:
- an inner shell having a center bore for receiving a rotor shaft therethrough, a radial mounting flange for mounting said inner shell to a support casing, a seat for receiving a bearing for supporting said shaft inside said inner shell, and a service tube fixedly joined to said inner shell for channeling a fluid;
- an outer shell surrounding said inner shell and fixedly joined thereto, and including a service aperture receiving said service tube therethrough;
- and
- a flexible coupling sealingly joining said service tube to said outer shell at said service aperture for permitting pressurization of said outer shell and differential thermal movement between said inner and outer shells at said service tube.
1 more element
A bearing housing comprising:
- concentric inner and outer shells;
- a service tube fixedly joined to said inner shell and extending through a service aperture in said outer shell;
- and
- a flexible coupling sealingly joining said service tube to said outer shell at said service aperture for permitting differential movement between said inner and outer shells at said service tube.
1 more element
A bearing housing comprising:
- coaxial inner and outer shells;
- said inner shell including a bearing for supporting a rotor shaft extending therethrough;
- means for sealing said inner shell to said rotor shaft;
- means for sealing said outer shell to said rotor shaft;
- a service tube fixedly joined to said inner shell and extending through a service aperture in said outer shell for channeling oil to said bearing;
- means for pressurizing said outer shell with air to seal said oil inside said inner shell;
- and
- a flexible coupling sealingly joining said service tube to said outer shell at said service aperture for permitting differential thermal movement between said inner and outer shells at said service tube.
5 more elements
Dependencies are inferred from the claim text.