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Electro-active device using radial electric field piezo-diaphragm for control of fluid movement

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01L-041/08
출원번호 US-0390675 (2003-03-13)
발명자 / 주소
  • Bryant, Robert G.
  • Working, Dennis C.
출원인 / 주소
  • The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
인용정보 피인용 횟수 : 6  인용 특허 : 42

초록

A fluid-control electro-active device includes a piezo-diaphragm made from a ferroelectric material sandwiched by first and second electrode patterns configured to introduce an electric field into the ferroelectric material when voltage is applied thereto. The electric field originates at a region o

대표청구항

1. An electro-active device for control of fluid movement, comprising:a ferroelectric material defining a first surface and a second surface opposing said first surface, wherein said first surface and said second surface lie in substantially parallel planes; a first electrode pattern coupled to a po

이 특허에 인용된 특허 (42)

  1. Ravinet Pierre (Paris FRX) Micheron Francois (Paris FRX), Active suspension piezoelectric polymer transducer.
  2. Newcombe Guy Charles Fernley,GBX ; Humberstone Victor Carey,GBX ; Gardner Keith,GBX ; Taylor Peter John,GBX, Apparatus for generating droplets of fluid.
  3. Gabriel Silva, Bi-stable snap over actuator.
  4. Culp Gordon W. (Van Nuys CA), Biaxial transducer.
  5. Culp Gordon W. (Van Nuys CA), Biaxial transducer.
  6. Takeuchi Yukihisa,JPX ; Kashiwaya Toshikatsu,JPX ; Takahashi Nobuo,JPX, Ceramic element, method for producing ceramic element, display device, relay device and capacitor.
  7. Dias J. Fleming (Palo Alto CA), Curvilinear interleaved longitudinal-mode ultrasound transducers.
  8. Takeuchi Yukihisa,JPX ; Nanataki Tsutomu,JPX ; Ohwada Iwao,JPX ; Takahashi Masao,JPX, Display device.
  9. Fowler Ralph A. (Ellicott City MD), Double flexure disc electro-acoustic transducer.
  10. Yamamoto Takashi (Ishikawa JPX), Double thickness mode energy trapped piezoelectric resonating device.
  11. Jalink ; Jr. Antony ; Hellbaum Richard F. ; Rohrbach Wayne W., Ferroelectric pump.
  12. Bernstein Jonathan J., Ferroic transducer.
  13. Amano Akira (Kawasaki JPX) Matsuzaki Kazuo (Kawasaki JPX) Sakai Toshiaki (Kawasaki JPX), Force sensor, temperature sensor and temperature/force sensor device.
  14. Yamamoto Takashi (Oshimizu JPX) Kitajima Houdo (Takaoka JPX), Housing and mounting for a chip-like piezoelectric vibrator component.
  15. Labbe Jean-Marie (Bousval BEX) Damhuis Eduard H. J. (Bousval BEX) Cox Robert E. L. (Le Pecq FRX), Implantable piezoelectric pump system.
  16. Taenzer Jon C. (Palo Alto CA), Inherent delay line ultrasonic transducer and systems.
  17. Cabuz Cleopatra, Low cost, high pumping rate electrostatically actuated mesopump.
  18. Frederick H. Martin ; Thomas A. Helf ; David J. Schram ; Maryann Jashinske ; David A. Tomkins ; Edward J. Martens, III, Method and apparatus for maintaining control of liquid flow in a vibratory atomizing device.
  19. Takuchi Yukihisa (Nagoya JPX) Komazawa Masato (Nagoya JPX), Method of fabricating a piezoelectric/electrostrictive actuator.
  20. Kamper Klaus-Peter,DEX ; Dopper Joachim,DEX, Micromembrane pump.
  21. Quate Calvin F. (Stanford CT) Khuri-Yakub Butrus T. (Palo Alto CA), Nozzleless liquid droplet ejectors.
  22. Lazarus Kenneth B. ; Lundstrom Mark E. ; Moore Jeffrey W. ; Crawley Edward F., Packaged strain actuator.
  23. Boecking Friedrich,DEX, Piezoelectric actuator.
  24. Takahashi Takeshi (Mishima JPX), Piezoelectric actuator.
  25. Murai Atsushi,JPX ; Kobayashi Masayuki,JPX, Piezoelectric element.
  26. Takeuchi Yukihisa,JPX ; Kimura Koji,JPX ; Takahashi Masao,JPX, Piezoelectric film-type element.
  27. Hikita Kazuyasu (Chichibu JPX) Kanai Harumi (Chichibu JPX) Tanaka Yoshiaki (Chichibu JPX), Piezoelectric transducer.
  28. Takuchi Yukihisa (Nagoya JPX) Komazawa Masato (Nagoya JPX), Piezoelectric/electrostrictive actuator.
  29. Takeuchi Yukihisa,JPX ; Nanataki Tsutomu,JPX ; Takahashi Masao,JPX, Piezoelectric/electrostrictive element.
  30. Takeuchi Yukihisa,JPX ; Nanataki Tsutomu,JPX ; Takahashi Masao,JPX, Piezoelectric/electrostrictive element.
  31. Bishop Richard P ; Face Bradbury R. ; Face Samuel A. ; Clark Stephen E ; Rose Norvell S., Piezoelectrically actuated fluid pumps.
  32. Bishop Richard P. ; Face Bradbury R. ; Face Samuel A. ; Clark Stephen E. ; Rose Norvell S., Piezoelectrically actuated peristaltic pump.
  33. Bishop Richard P ; Face Bradbury R ; Face Samuel A. ; Clark Stephen E ; Rose Norvell S, Piezoelectrically actuated piston pump.
  34. Maylon Gary Joseph (Trussville AL), Plaster security barrier system.
  35. Guntersdorfer, Max; Kleinschmidt, Peter; Dietrich, Klaus, Polymeric piezoelectric drive element for writing jets in mosaic ink printing devices.
  36. Lemonon Claire (Paris FRX) Micheron Francois (Paris FRX) Wang Pierre (Paris FRX), Polymeric piezoelectric transducer with thermoformed protuberances.
  37. Nakamura Takeshi (Nagaokakyo JPX), Pressure sensor having a piezoelectric vibrator with concencentric circular electrodes.
  38. Matsuoka Youichi (Sayama JPX) Tajika Fumitaka (Iruma JPX), Quartz crystal vibrator.
  39. Hiroyuki Nakamura JP; Toru Yamada JP; Kazunori Nishimura JP; Toshio Ishizaki JP, Surface acoustic wave filter and multistage surface acoustic wave filter.
  40. White Ronald P. (Amherst NH), Transducer.
  41. Lu Jian-yu (Rochester MN) Greenleaf James F. (Rochester MN), Ultrasonic nondiffracting transducer.
  42. Atsuta Akio,JPX, Vibration wave motor.

이 특허를 인용한 특허 (6)

  1. Lutz, Josef, Device for generating a medium stream.
  2. Zhang, Ming; Madireddi, Sesha C.; Na, Byeongchul, Expansion valve with piezo material.
  3. Kamitani, Gaku; Hirata, Atsuhiko, Fluid conveyance device.
  4. Ando, Masamichi, Headphone.
  5. Lachner, Hubert; Foerg, Michael; Schwesinger, Norbert; Pobering, Sebastian; Zaehringer, Sandy, Piezoelectric drive and microvalve comprising said drive.
  6. Aoki, Kazuhiro; Yamasaki, Tomoya; Gomi, Chikashi, Shaft sealing device and valve structure using the same.
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