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Acoustic attenuation and vibration damping materials 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G10K-011/16
출원번호 US-0186058 (1994-01-25)
발명자 / 주소
  • Cushman William B. (Pensacola FL) Thomas Gerald B. (Pensacola FL)
출원인 / 주소
  • Poiesis Research, Inc. (Pensacola FL 02) The United States of America as represented by the Secretary of the Navy (Washington DC 06)
인용정보 피인용 횟수 : 46  인용 특허 : 0

초록

A means of enhancing the acoustic attenuation and vibration damping of a material by embedding high characteristic acoustic impedance particles, low characteristic acoustic impedance particles, or both high and low characteristic acoustic impedance particles within the matrix of the material is disc

대표청구항

An acoustic attenuation and vibration damping material comprised of a matrix material with a plurality of at least two species of particles incorporated therein, said particles being species differentiated by their characteristic acoustic impedances, and said particle species being proportionally di

이 특허를 인용한 특허 (46)

  1. Cushman William B., Acoustic absorption or damping material with integral viscous damping.
  2. Sheng,Ping; Tse,Man; Chan,Che Ting; Zhang,Xi Xiang; Li,Zongjin; Cue,Nelson; Wen,Weijia, Acoustic attenuation materials.
  3. Ravnaas, Brian, Acoustic damping compositions.
  4. Ravnaas, Brian, Acoustic damping compositions having elastomeric particulate.
  5. Drouin, Jean, Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly.
  6. Islam, Tofiqul; Newaz, Golam; Hailat, Mohammad, Acoustic metamaterials.
  7. McNett Christopher P. ; McNett John C., Acoustic panels having plural damping layers.
  8. Fuller, Christopher R.; Kondylas, Kathleen, Active/passive distributed absorber for vibration and sound radiation control.
  9. Kosinski, John A.; Pastore, Jr., Robert A., Anti-reflective acoustic diffuser for SAW and BAW devices.
  10. Guo,Yueping, Apparatus and method for reducing aircraft noise and acoustic fatigue.
  11. Pizzoni, Luciano; Perni, Federico, Ball screw shaft with increased vibration frequency and improved vibration dissipation.
  12. Thomas,Gerald B.; Van Dyke,Paul R.; Guy,Bruce, Composite acoustic attenuation materials.
  13. Hawkins, Gary F; Murdock, John W., Composite damping material.
  14. Gary F. Hawkins, Composite materials with embedded machines.
  15. Hawkins, Gary F., Composite materials with embedded machines.
  16. Lucon, Peter A.; Ivosevic, Milan; Coguill, Scott L.; Farrar, Lawrence C., Custom tunable acoustic insulation.
  17. Nobuyuki Takahashi JP; Hideyuki Kitai JP; Kazumasa Tanaka JP; Manabu Matsunaga JP; Yasunori Sugihara JP, Damping material, damping method and disc drive.
  18. Fricke J. Robert, Damping system for vibrating members.
  19. Fricke J. Robert, Damping systems for vibrating members.
  20. Jenkins, Jr., John Allen, Detectable earplug and cord.
  21. Gleine,Wolfgang, Device for testing cabin parts of commercial aircrafts.
  22. Cushman William Bradford, Earcup soft-seal with thinned lips and interleaving layers of damping materials.
  23. Homsi, Emile N.; Krolick, Thomas J.; Lee, Chul S.; Han, Peter K.; Kagan, Val A., Engine noise barrier.
  24. Peskar, Justin C.; Parish, William L., Foam cushion for headphones.
  25. Peskar, Justin C.; Parish, William L., Foam cushion for headphones.
  26. Peskar, Justin C.; Parish, William L., Foam cushion for headphones.
  27. Peskar, Justin C.; Parish, William L., Foam cushion for headphones.
  28. Peskar, Justin C.; Parish, William L., Foam cushion for headphones.
  29. Hawkins, Gary F.; Tang, Ching-Yao, Force diversion apparatus and methods.
  30. Hawkins,Gary F.; Tang,Ching Yao, Force diversion apparatus and methods.
  31. Hawkins, Gary F.; Tang, Ching-Yao, Force diversion apparatus and methods and devices including the same.
  32. Hawkins, Gary F.; Tang, Ching-Yao, Force diversion apparatus and methods and devices including the same.
  33. Hawkins,Gary F.; Tang,Ching Yao, Force diversion apparatus and methods and devices including the same.
  34. Hawkins, Gary F.; Tang, Ching-Yao, High stiffness vibration damping apparatus, methods and systems.
  35. Smolinske, Stephen B.; Meyers, Vern; Sears, Jim; Clement, Rodger, Lightweight aircraft seal material.
  36. Smolinske, Stephen B; Clement, Rodger; Sears, Jim; Meyers, Vern, Lightweight aircraft seal material.
  37. Towfiq Foad, Low frequency noise suppression system.
  38. Fricke J. Robert, Low sound speed damping materials and methods of use.
  39. Fricke J. Robert, Method and apparatus for damping structural vibrations.
  40. Fricke J. Robert, Method and apparatus for damping structural vibrations.
  41. Chivers, Nigel J.D.; Goldfinch, Keith C., Method of manufacturing a rotor for a gas turbine engine that includes identifying the frequency response of the rotor and adjusting the frequency response by providing a pressure gradient within the rotor.
  42. Lane, Steven A.; Kennedy, Scott J.; Alcone, Jerry, Passive acoustic barrier.
  43. Towfiq Foad, Passive reduction of aircraft fuselage noise.
  44. Spero,Arthur C.; Godoy,Carlos M.; Harari,Azriel; Teague,James M., Pressure resistant anechoic coating for undersea platforms.
  45. Chory, Susan; Ebbo, David S.; Howard, Robert M.; Yang, Ting-Hao, Systems and methods for persisting data between web pages.
  46. McEnerney, Bryan William, Tuned damper member.
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