IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0683254
(2001-12-05)
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발명자
/ 주소 |
- Dinc, Osman Saim
- Turnquist, Norman Arnold
- Demiroglu, Mehmet
- Sarshar, Hamid Reza
- Safi, Ahmad
- Aksit, Mahmut Faruk
- Johnson, Roger Neal
- Furman, Anthony Holmes
- Imam, Imdad
- Kliman, Gerald Burt
- Ho
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
29 인용 특허 :
12 |
초록
▼
An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising a seal and a seal carrier coupled to the seal is provided. A displacement apparatus is coupled to the seal carrier for positioning the seal so as to control the flow in the fluid path. In addition, a drive sy
An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising a seal and a seal carrier coupled to the seal is provided. A displacement apparatus is coupled to the seal carrier for positioning the seal so as to control the flow in the fluid path. In addition, a drive system is provided for powering the displacement apparatus.
대표청구항
▼
1. An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising:a seal;a seal carrier coupled to said seal, said seal carrier disposed in said turbomachinery;a displacement apparatus coupled to said seal carrier for positioning said seal to control said flow in said fl
1. An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising:a seal;a seal carrier coupled to said seal, said seal carrier disposed in said turbomachinery;a displacement apparatus coupled to said seal carrier for positioning said seal to control said flow in said fluid path, wherein said displacement apparatus is selected from the group consisting of an actuator, a return device, and combinations thereof, and wherein said displacement apparatus selected from the group consisting of an actuator, a return device and combinations thereof is further selected from the group consisting of bellows, spring loaded rods, cams, hydraulic cylinders, pneumatic devices, piezoelectric devices, solenoids and combinations thereof; anda drive system for powering said displacement apparatus. 2. The actuated seal of claim 1, wherein said displacement apparatus comprises said actuator and said return device for moving said seal radially with respect to a rotating member. 3. The actuated seal of claim 1, wherein said seal is selected from the group consisting of brush seals, labyrinth seals, abradable seals, honeycomb seals, leaf seals, finger seals, ceramic seals, aramid seals, aspirating seals and combinations thereof. 4. The actuated seal of claim 1, wherein said seal carrier comprises a plurality of seal carriers and wherein said displacement apparatus is disposed to control each of said seal carriers in said seal assembly. 5. The actuated seal of claim 1, wherein said displacement apparatus is disposed to control a plurality of said seal carriers in said seal assembly. 6. The actuated seal of claim 1, wherein said seal carrier comprises a plurality of seal carriers and wherein said displacement apparatus is disposed to control a respective seal carrier in said seal assembly. 7. The actuated seal of claim 1, wherein said drive system is bi-directional. 8. An actuated seal assembly for controlling flow in a fluid path in turbomachinery comprising:a seal;a seal carrier coupled to said seal, said seal carrier disposed in said turbomachinery;a displacement apparatus coupled to said seal carrier for positioning said seal to control said flow in said fluid path, wherein said displacement apparatus is selected from the group consisting of an actuator, a return device, and combinations thereof, and wherein said displacement apparatus selected from the group consisting of an actuator, a return device, and combinations thereof further comprises an inflatable tube; anda drive system for powering said displacement apparatus. 9. An actual seal assembly for controlling flow in a fluid path in turbomachinery comprising:a seal;a seal carrier coupled to said seal, said seal carrier disposed in said turbomachinery;a displacement apparatus coupled to said seal carrier for positioning said seal to control said flow in said fluid path, wherein said displacement apparatus is selected from the group consisting of an actuator, a return device, and combination thereof; anda drive system for powering said displacement apparatus, wherein said drive system comprises a motor. 10. The actuated seal of claim 9, wherein said motor is selected from the group consisting of a linear motor and rotary motor. 11. The actuated seal of claim 9, wherein said motor further comprises a coupling. 12. The actuated seal of claim 11, wherein said coupling is selected from the group consisting of a gear, cable and pulley. 13. The actuated seal of claim 9, wherein said seal carrier is disposed in a turbine housing of the said turbomachinery. 14. The actuated seal of claim 9, wherein said seal carrier is disposed in a labyrinth seal.
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