Turbofan bypass air cooled oil cooler fairings
US-2016348585-A1 · Dec 1, 2016 · US
Accessory gearbox buffer cooling air pump system
US8967944B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8967944-B2 |
| Application number | US-201113219913-A |
| Country | US |
| Kind code | B2 |
| Filing date | Aug 29, 2011 |
| Priority date | Aug 29, 2011 |
| Publication date | Mar 3, 2015 |
| Grant date | Mar 3, 2015 |
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- Title
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Abstract
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A buffer air pump provides pressurized cooling air for cooling components of the gas turbine engine. The buffer air pump is supported on and/or within an accessory gearbox and draws bypass air in through an inlet manifold. An impeller supported within a scroll housing pressurizes the incoming bypass air and directs the pressurized air through passages to a component requiring cooling. The buffer air pump draws in relatively cool air from the bypass flow, pressurizes the air with the impeller and sends the air through conduits and passages within the gas turbine engine to the component that requires cooling such as a bearing assembly.
First claim
Opening claim text (preview).
What is claimed is: 1. An accessory gearbox for a gas turbine engine comprising: an accessory gearbox housing supporting a gear train driven by a tower shaft of a gas turbine engine, wherein a tower shaft housing supports rotation of the tower shaft; an inlet manifold supported by the housing receiving bypass airflow; an impeller supported for rotation within the tower shaft housing, the impeller in communication with the inlet manifold for pressurizing the received bypass air…
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Classifications
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F02K3/00Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8967944B2 cover?
- A buffer air pump provides pressurized cooling air for cooling components of the gas turbine engine. The buffer air pump is supported on and/or within an accessory gearbox and draws bypass air in through an inlet manifold. An impeller supported within a scroll housing pressurizes the incoming bypass air and directs the pressurized air through passages to a component requiring cooling. The buffe…
- Who is the assignee on this patent?
- Suciu Gabriel L, Glahn Jorn A, Merry Brian D, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification F02K3/00. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 03 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).