[특허]Particle separator for a gas turbine engine

Rolls Royce North American Technologies, Inc.

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특허 상세정보

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Particle separator for a gas turbine engine

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-045/00
미국특허분류(USC)	055/440; 055/306; 055/307; 055/396; 055/397; 055/441; 095/267
출원번호	US-0607567 (2006-12-01)
등록번호	US-7374593 (2008-05-20)
발명자 / 주소	Snyder,Philip Harold
출원인 / 주소	Rolls Royce North American Technologies, Inc.
대리인 / 주소	Krieg DeVault LLP
인용정보	피인용 횟수 : 13 인용 특허 : 26

초록
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A particle separator for separating particles and/or materials entrained in a flow of air is disclosed. The particle separator includes an annular inlet defined by an outer shroud and an inner shroud. An upper forward flow divider and a lower forward flow divider is disposed within the annular inlet. A first and second radially spaced annular flow divider is adapted for directing said flow of air into at least a first, second, third and fourth flow passageway. At least four curved flow splitters are utilized for separating particles and/or materials ent...

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The invention claimed is: 1. An apparatus, comprising: a gas turbine engine having an engine inlet; an inertial particle separator in flow communication with said engine inlet, said particle separator including a first, second, third, and fourth annular separation passageway, said annular separation passageways being spaced radially from one another; an outer accumulator, an intermediate accumulator, and an inner accumulator, each of said outer, intermediate, and inner accumulators being configured to receive materials separated from an airflow passing through said particle separator; and at least one flow connector fluidly coupling said intermediate and inner accumulators to said outer accumulator, wherein said at least one flow connector defines a flow path for at least a portion of the materials separated from the airflow. 2. A combination comprising: a gas turbine engine having a air inlet; a particle separator for separating particles and/or materials entrained in a flow of air, said particle separator comprising: an annular inlet defined by an outer member and an inner member; a first annular flow divider disposed within said annular inlet; a second annular flow divider disposed within said annular inlet, wherein said first annular flow divider has a diameter larger than the diameter of said second annular flow divider; a first annular flow separator having a diameter larger the diameter of said first annular flow divider and being adapted for dividing the flow of air from said first annular flow divider into a first flow passageway and a second flow passageway; a second annular flow separator having a diameter smaller than said first annular flow separator and larger than the diameter of said second annular flow divider diameter and being adapted for further dividing said flow of air from at least one of said annular flow dividers into a third flow passageway and a fourth flow passageway; and at least four curved flow splitters for separating particles and/or materials entrained in the flow of air as it passes through said first, second, third and fourth flow passageways. 3. The particle separator of claim 2, further comprising an outer scavenge conduit, an intermediate scavenge conduit, and an inner scavenge conduit, each of said scavenge conduits disposed in flow communication with at least one of said flow passageways. 4. The particle separator of claim 3, wherein said intermediate scavenge conduit is positioned to receive particles and/or material from at least two of said four flow splitters. 5. The particle separator of claim 2, further comprising a fifth curved flow splitter for separating particles and/or materials entrained in said flow of air into a fifth flow passageway, wherein said fifth flow passageway having the smallest diameter of said flow passageways. 6. The particle separator of claim 5, further comprising an outer scavenge conduit, an intermediate scavenge conduit, and an inner scavenge conduit; each of said scavenge conduits disposed in flow communication with at least one of said flow passageways; and wherein said inner scavenge conduit is positioned to receive particles and/or material from said fourth flow splitter and said fifth flow splitter. 7. The particle separator of claim 3, further comprising a material flow path connected with said outer, intermediate, and inner conduits for conveying the separated material from said inner scavenge conduit and said intermediate scavenge conduit to said outer scavenge conduit. 8. The particle separator of claim 2, further comprising an outer scavenge conduit, an intermediate scavenge conduit, and an inner scavenge conduit, wherein said inner scavenge conduit and said intermediate scavenge conduit are each positioned to receive material from two of said flow splitters; and further comprising a material flow path connected with said outer, intermediate, and inner conduits for conveyance of the separated material from said inner scavenge conduit and said intermediate scavenge conduit to said outer scavenge conduit. 9. A particle separator, comprising: an annular air inlet for receiving an airflow; a first annular flow separator being adapted for dividing the airflow into at least a first flow path and a second flow path; a second annular flow separator having a diameter smaller than said first annular flow separator and being adapted for dividing said airflow into at least a third flow path and a fourth flow path; means for separating particles contained in said airflow flowing through said at least four flow paths; and means for directing particles out of said particle separator. 10. The particle separator of claim 9, wherein said means for separating particles contained in said airflow flowing through said at least four flow paths comprises an outer scavenge conduit, an intermediate scavenge conduit, and an inner scavenge conduit. 11. The particle separator of claim 9, wherein said means for directing includes a plurality of struts connected with an outer scavenge conduit, an intermediate scavenge conduit, and an inner scavenge conduit. 12. The apparatus of claim 1, wherein the particle separator includes a fifth annular separation passageway. 13. The apparatus of claim 1, wherein two of the annular separation passageways are in flow communication with the intermediate accumulator. 14. The apparatus of claim 1, wherein the at least one flow connector defines a plurality of flow connectors fluidly coupling both the intermediate accumulator and the inner accumulator to the outer accumulator. 15. The apparatus of claim 1, wherein the at least one flow connector includes a first strut and a second strut, wherein the first strut extends between the inner accumulator and the intermediate accumulator and the second strut extends between the intermediate accumulator and the outer accumulator. 16. The particle separator of claim 9, further comprising: a first annular flow divider disposed within the annular air inlet; and a second annular flow divider disposed within the annular air inlet, wherein the first annular flow divider has a diameter larger than the diameter of the second annular flow divider; wherein the first annular flow separator has a diameter larger the diameter of the first annular flow divider and the second annular flow separator has a diameter smaller than the first annular flow separator and larger than the diameter of the second annular flow divider diameter. 17. An apparatus, comprising: a gas turbine engine having an engine inlet; an inertial particle separator in flow communication with the engine inlet, the particle separator including at least four substantially annular separation passageways, the annular separation passageways being spaced radially from one another; and a plurality of radially spaced particle accumulators operable to receive materials separated from an airflow passing through the annular separation passageways; wherein at least one of the plurality of radially spaced accumulators is in fluid communication with two of the passageways. 18. The apparatus of claim 17, wherein the particle separator includes five annular separation passageways. 19. The apparatus of claim 17, wherein the particle separator includes a first flow separator defining at least two annular separation passageways and a second flow separator defining at least two annular separation passageways. 20. The apparatus of claim 19, wherein the particle separator further includes an annular flow divider disposed operable to divide the airflow into a first and second flow path. 21. The apparatus of claim 20, wherein the particle separator further includes a second annular flow divider operable to divide the airflow into a third and fourth flow path, wherein the first annular flow divider has a diameter larger than the diameter of the second annular flow divider; and wherein the first annular flow separator has a diameter larger the diameter of the first annular flow divider and the second annular flow separator has a diameter smaller than the first annular flow separator and larger than the diameter of the second annular flow divider diameter.

이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 13

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Particle separator for a gas turbine engine

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Particle separator for a gas turbine engine

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이 특허에 인용된 특허 (26)

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