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Engine blade clearance control system with piezoelectric actuator 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01D-011/22
출원번호 US-0345653 (1994-11-25)
발명자 / 주소
  • Martin Anthony N. (Simsbury CT)
출원인 / 주소
  • United Technologies Corp. (Hartford CT 02)
인용정보 피인용 횟수 : 35  인용 특허 : 0

초록

The blades and the outer case of an encased engine, such as a turbo engine or the like will expand and contract during periods of operation. Blade expansion and contraction can result from operating temperature changes, rotational velocity changes, or the like. The engine casing includes a segmented

대표청구항

In combination with a turbine assembly which has a fixed casing, a plurality of rotating blades with radially outward blade tips, and a movable seal shroud; a blade tip seal shroud radial clearance control system which comprises: a) a plurality of proximity sensors mounted on said turbine assembly a

이 특허를 인용한 특허 (35)

  1. Liu,James Z T; Rahman,Aziz, Acoustic wave flow sensor.
  2. Eliahou-Niv Shaul,ILX ; Wygnanski Israel,ILX, Active flaperon assembly.
  3. Meinzer Richard A., Active seal.
  4. Dierksmeier, Douglas D., Active seal system.
  5. Dierksmeier, Douglas David; Heffernan, Tab Michael, Apparatus and method for active control of blade tip clearance.
  6. Johnson Christopher Donald ; Wang Weiping ; Hwang Thomas Huei ; Shu Emily Yixie, Apparatus and method for measuring and selectively adjusting a clearance.
  7. Webster, John Richard, Apparatus to measure the clearance between a first component and a second component.
  8. Cortequisse, Jean-Francois; Minot, Philippe, Axial turbomachine compressor outer casing with seal.
  9. Ress ; Jr. Robert A., Blade clearance control for turbomachinery.
  10. Bacic, Marko, Clearance control arrangement.
  11. Rhoden, William E.; Jalbert, Peter L., Clearance control for gas turbine engine seal.
  12. DiTomasso, John C.; Robertson, Thomas J.; Reinhardt, Gregory E., Clearance control for gas turbine engine section.
  13. Kulkarni,Anand A.; Subramanian,Ramesh, Electrical assembly for monitoring conditions in a combustion turbine operating environment.
  14. Pinero, Hector M.; Peroulakis, George N., Gas turbine engine case for clearance control.
  15. Vetters, Daniel Kent; Karam, Michael Abraham, Gas turbine engine tip clearance control.
  16. McCaffrey, Michael G.; Borja, Mark; Rouse, Brandon T.; Farris, John R.; Pelletier, Brian R.; Almy, Thomas; Garcia, Igor S., Hybrid passive and active tip clearance system.
  17. Holmquist, Eric B., Measuring rotor imbalance via blade clearance sensors.
  18. Schram, Christian; Luetze, Henning; Buecker, Andreas; Riesberg, Andre; Delmerico, Robert William, Method and apparatus for controlling rotary machines.
  19. Turnquist,Norman Arnold; Sarshar,Hamid Reza; Fang,Biao; Demiroglu,Mehmet; Couture,Bernard Arthur; Gazzillo,Clement; Sevincer,Edip, Method and apparatus for turbomachine active clearance control.
  20. Finnigan,Peter Michael; Srinivas,Mullahalli Venkataramaniah; Albers,Robert Joseph; DeLeonardo,Guy Wayne, Method and system for active tip clearance control in turbines.
  21. Prabhu, Rahul Srinivas; Balasubramaniam, Mahalakshmi Shunmugam; Behera, Ajay Kumar; Bhattacharya, Aninda; Rajagopalan, Venkatesh; D'Souza, Prashanth; Badami, Vivek Venugopal, Methods and systems for monitoring health of blades.
  22. Powell, Brad, Movable air seal for gas turbine engine.
  23. Lee, Ching-Pang; Munshi, Mrinal; Pela, Adam C.; Davis, Paul Bradley; Lang, Matthew H., Outer vane support ring including a strong back plate in a compressor section of a gas turbine engine.
  24. Leao, Bruno Paes; Gomes, Joao Paulo Pordeus, Prognostics and health monitoring for electro-mechanical systems and components.
  25. Mulcaire, Thomas Gerard; Radomski, Steven Aleksy, Rotor path arrangements.
  26. Webster,John R; Razzell,Anthony G; Brown,Philip D, Seal.
  27. Schmidt, Samuel, Sensing device.
  28. Bates, Peter R, System and method for adjusting rotor-stator clearance.
  29. Boris Karpman ; John L. Shade ; Daniel E. Kane, System and method of controlling clearance between turbine engine blades and case based on engine components thermal growth model.
  30. Todd, Kevin B.; Patton, Mark E., Tensioner with vibrational damping.
  31. Duguay, Brian; Davis, Timothy M., Turbine engine tip clearance control system with later translatable slide block.
  32. Duguay, Brian; Davis, Timothy M., Turbine engine tip clearance control system with rocker arms.
  33. Willett, Jr., Fred Thomas; Koza, Kenneth Michael, Turbomachine cold clearance adjustment.
  34. Fumihiko Aiyama JP; Kazunori Takahashi JP, Vacuum apparatus and fan casing with wear indicator.
  35. Harris, Meggan, Variable blade outer air seal.
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