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US-2015378364-A1 · Dec 31, 2015 · US
Apparatus and method for operating a gas turbine engine during windmilling
US8978352B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8978352-B2 |
| Application number | US-201113278342-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 21, 2011 |
| Priority date | Oct 21, 2011 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
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A gas turbine engine according to an exemplary aspect of the present disclosure includes a windmill pump driven by a spool. A first pump driven by said spool with an air-oil cooler is located downstream of the first pump. A second pump is also driven the spool with an air-air precooler located downstream of the second pump. A method of operating a gas turbine engine during a “windmilling” condition includes driving a windmill pump with a spool during a “windmilling ” condition. A lubricant is communicated to a geared architecture with the windmill pump. A first pump is driven by the spool and an air-oil cooler is located downstream of the first pump.
First claim
Opening claim text (preview).
What is claimed is: 1. A gas turbine engine comprising: a spool; a windmill pump driven by said spool through a constant speed transmission; a first pump driven by said spool; an air-oil cooler downstream of said first pump; a second pump driven by said spool; and an air-air precooler downstream of said second pump. 2. The gas turbine engine as recited in claim 1 , wherein said constant speed transmission is driven by a towershaft geared to said sp…
Assignees
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Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
- F02C9/16Primary
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8978352B2 cover?
- A gas turbine engine according to an exemplary aspect of the present disclosure includes a windmill pump driven by a spool. A first pump driven by said spool with an air-oil cooler is located downstream of the first pump. A second pump is also driven the spool with an air-air precooler located downstream of the second pump. A method of operating a gas turbine engine during a “windmilling” condi…
- Who is the assignee on this patent?
- Suciu Gabriel L, Merry Brian D, Dye Christopher M, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification F02C9/16. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Mar 17 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).