Lubrication of journal bearing during clockwise and counter-clockwise rotation
US-2015377066-A1 · Dec 31, 2015 · US
Gas turbine engine oil buffering
US8997500B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8997500-B2 |
| Application number | US-201113340871-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 30, 2011 |
| Priority date | Feb 19, 2010 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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A turbine engine includes a shaft, a fan, at least one bearing mounted on the shaft and rotationally supporting the fan, a fan drive gear system coupled to drive the fan, a bearing compartment around the at least one bearing and a source of pressurized air in communication with a region outside of the bearing compartment.
First claim
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What is claimed is: 1. A turbine engine comprising: a shaft; a fan; at least one bearing mounted on the shaft and rotationally supporting the fan; a fan drive gear system coupled to drive the fan; a bearing compartment around the at least one bearing; an accessory gearbox located radially outward of a core flow path; and a centrifugal compressor driven by the accessory gearbox configured to supply pressurized air to a region surrounding the bearing compartment.…
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Frequently asked questions
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- What does patent US8997500B2 cover?
- A turbine engine includes a shaft, a fan, at least one bearing mounted on the shaft and rotationally supporting the fan, a fan drive gear system coupled to drive the fan, a bearing compartment around the at least one bearing and a source of pressurized air in communication with a region outside of the bearing compartment.
- Who is the assignee on this patent?
- Glahn Jorn A, Schwarz Frederick M, United Technologies Corp
- What technology area does this patent fall under?
- Primary CPC classification F01D15/12. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).