IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0613111
(2006-12-19)
|
등록번호 |
US-7296395
(2007-11-20)
|
발명자
/ 주소 |
- Hartman,Peter A.
- Meadowcroft,Edward T.
|
출원인 / 주소 |
|
대리인 / 주소 |
Ingrassia Fisher & Lorenz, P.C.
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
19 |
초록
▼
An engine inlet air particulate separator that uses zero mass active flow control devices, and methods of using the same, are provided. The separator has a separator body that has an arcuate portion with a bight region. The separator body may have an angle α between centerlines in the range fr
An engine inlet air particulate separator that uses zero mass active flow control devices, and methods of using the same, are provided. The separator has a separator body that has an arcuate portion with a bight region. The separator body may have an angle α between centerlines in the range from about 115째 to about 85째. The separator body separates into a bypass conduit and a primary air conduit, separated from each other by a splitter, downstream from the bight region, which is in fluid communication with the arcuate portion. A zero mass active flow device is in fluid communication with a third region of the separator body which is located proximate a point where the air stream would otherwise have separated from an inner wall of the particle separator.
대표청구항
▼
What is claimed is: 1. An engine inlet air particulate separator, comprising: a separator body comprising an arcuate body portion having a bight region; a divided region downstream from the bight region and in fluid communication with the arcuate body portion; a splitter located in the divided regi
What is claimed is: 1. An engine inlet air particulate separator, comprising: a separator body comprising an arcuate body portion having a bight region; a divided region downstream from the bight region and in fluid communication with the arcuate body portion; a splitter located in the divided region, the splitter creating a first region and a second region; and a mass active flow device in fluid communication with an interior of the separator body. 2. The separator of claim 1, wherein the mass active flow device comprises at least one zero mass active flow device. 3. The separator of claim 2, wherein the mass active flow device comprises a plenum and a diaphragm having an orifice, and wherein the diaphragm is driven to generate pulses at a frequency in a range from about 200 to about 800 Hz, when the separator is in use. 4. The separator of claim 3, wherein the diaphragm and the plenum are aligned to generate pulses into the separator body, the generated pulses directed at an ejection angle β ranging from about 5째 to about 30째, when the separator is in use. 5. The separator of claim 1, further comprising a plurality of zero mass active flow devices. 6. The separator of claim 1, wherein the arcuate body portion comprises an angle between centerlines a in a range from about 110째 to about 90째. 7. The separator of claim 1, wherein the arcuate body portion comprises an angle between centerlines a in a range from about 115째 to about 85째. 8. The separator of claim 1, wherein the mass active flow control device comprises a diaphragm and the diaphragm generates pulses at a frequency in a range from about 200 to about 800 Hz, when the separator is in use. 9. An engine inlet air particulate separator, comprising: a hollow separator body comprising: an elongate curved body portion configured for air flow there through, the elongate curved body portion comprising a bight region; a divided region downstream from the bight region and in fluid communication with the elongate curved body portion; a splitter located in the divided region, the splitter oriented such that when air flows through the hollow separator body, the splitter divides the air flow into the divided region into a first stream and a second stream; and at least one zero mass active flow device in fluid communication with an interior of the hollow separator body, the zero mass active flow device emitting pulses into the hollow separator body; whereby, when incoming air containing particulates flows through the hollow separator body and the zero mass active flow device emits pulses into the hollow separator body, the splitter separates the incoming air into a first steam containing a higher mass of particulates and a second stream substantially free of particulates. 10. The separator of claim 9, wherein an angle α between centerlines is in a range from about 115째 to about 85째. 11. The separator of claim 10, wherein the at least one mass active flow device comprises a plenum and a diaphragm in fluid communication with an interior of the hollow separator body and wherein the diaphragm generates pulses at a frequency in a range from about 200 to about 800 Hz, when the separator is in use. 12. The separator of claim 11, wherein the diaphragm and the plenum are aligned to generate pulses into the hollow separator body, the generated pulses directed at an ejection angle β ranging from about 5째 to about 30째, when the separator is in use. 13. The separator of claim 12, comprising a plurality of zero mass active devices. 14. The separator of claim 9, wherein the at least one mass active flow device comprises a plenum and a diaphragm in fluid communication with an interior of the hollow separator body and wherein the diaphragm is driven to generate pulses at a frequency in a range from about 200 to about 800 Hz. 15. The separator of claim 14, wherein the diaphragm and the plenum are aligned to generate pulses into a separator body interior, the generated pulses directed at an ejection angle β ranging from about 5째 to about 30째, when the separator is in use.
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