IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
UP-0046773
(2008-03-12)
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등록번호 |
US-7695551
(2010-05-20)
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발명자
/ 주소 |
- Janawitz, Jamison W.
- Rogers, Bradley S.
- Roberts, James Easel
- Eckhoff, Thomas Shannon
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
20 |
초록
▼
An inlet air filtration system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a plurality of filter elements mounted inside the air plenum, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes posi
An inlet air filtration system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a plurality of filter elements mounted inside the air plenum, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes positioned proximate the plurality of filter elements, where the electrodes are coupled to a power source which supplies a voltage to the electrodes. The voltage is sufficient to establish an electrostatic field between the electrodes and the filter elements, and at the same time, the voltage is sufficient to produce a corona discharge from the electrodes.
대표청구항
▼
What is claimed is: 1. An inlet air filtration system, said inlet air filtration system comprising: an air plenum; a plurality of filter elements mounted inside said air plenum, each said filter element comprising a support structure; and a plurality of electrodes positioned proximate said pluralit
What is claimed is: 1. An inlet air filtration system, said inlet air filtration system comprising: an air plenum; a plurality of filter elements mounted inside said air plenum, each said filter element comprising a support structure; and a plurality of electrodes positioned proximate said plurality of filter elements, each said electrodes coupled to a power source which supplies a voltage to said electrodes, said voltage sufficient to establish an electrostatic field between said electrodes and said filter elements, and said voltage sufficient to produce a corona discharge from said electrodes, wherein an amount of current applied to said filter elements is about 4.0 μA/ft2 to about 15 μA/ft2. 2. An inlet air filtration system in accordance with claim 1, wherein said voltage is about 15 kV to about 50 kV. 3. An inlet air filtration system in accordance with claim 1, wherein said voltage is about 30 kV to about 35 kV. 4. An inlet air filtration system in accordance with claim 1, wherein an amount of current applied to said filter elements is about 6.0 μA/ft2 to about 10 μA/ft2 . 5. An inlet air filtration system in accordance with claim 1, wherein said plurality of filter elements comprise a plurality of bag filter elements. 6. An inlet air filtration system in accordance with claim 1, wherein said plurality of filter elements comprise a plurality of tube filter elements. 7. An inlet air filtration system in accordance with claim 1, wherein said plurality of electrodes are positioned substantially parallel to and interspersed among said plurality of filter elements. 8. An inlet air filtration system in accordance with claim 1, wherein said plurality of electrodes are positioned substantially perpendicular to and upstream from said plurality of filter elements. 9. A gas turbine apparatus, said gas turbine apparatus comprising: a compressor; an air inlet coupled to said compressor; a combustor coupled to said compressor; a turbine coupled to said combustor; an exhaust duct coupled to said turbine; an air plenum coupled to said air inlet; and an air filtration system positioned in said air plenum, said air filtration system comprising: a plurality of filter elements mounted inside said air plenum, each said filter element comprising a support structure; and a plurality of electrodes positioned proximate said plurality of filter elements, each said electrodes coupled to a power source which supplies a voltage to said electrodes, said voltage sufficient to establish an electrostatic field between said electrodes and said filter elements, and said voltage sufficient to produce a corona discharge from said electrodes, wherein an amount of current applied to said filter elements is about 4.0 μA/ft2 to about 15 μA/ft2. 10. A gas turbine apparatus in accordance with claim 9, wherein said voltage is about 15 kV to about 50 kV. 11. A gas turbine apparatus in accordance with claim 9, wherein said voltage is about 30 kV to about 35 kV. 12. A gas turbine apparatus in accordance with claim 9, wherein an amount of current applied to said filter elements is about 6.0 μA/ft2 to about 10 μA/ft2. 13. A gas turbine apparatus in accordance with claim 9, wherein said plurality of filter elements comprise a plurality of bag filter elements. 14. A gas turbine apparatus in accordance with claim 9, wherein said plurality of filter elements comprise a plurality of tube filter elements. 15. A gas turbine apparatus in accordance with claim 9, wherein said plurality of electrodes are positioned substantially parallel to and interspersed among said plurality of filter elements. 16. A gas turbine apparatus in accordance with claim 9, wherein said plurality of electrodes are positioned substantially perpendicular to and upstream from said plurality of filter elements.
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