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Packless silencer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-001/08
  • E04F-017/04
출원번호 US-0030925 (1979-04-17)
발명자 / 주소
  • Ingard Uno (Kittery Point ME) Morgan James A. (Wyckoff NJ) Hirschorn Martin (New York NY)
출원인 / 주소
  • Industrial Acoustics Company (Bronx NY 02)
인용정보 피인용 횟수 : 41  인용 특허 : 0

초록

The construction described is a resistive sheet type of duct liner or duct silencer; i.e., a liner or silencer in which acoustical flow resistance is concentrated in a thin face sheet separating the flow passage and acoustical cavity rather than in an acoustically absorptive packing material filling

대표청구항

A packless acoustic silencer for use in a duct member having a pair of opposed, upstanding sidewall members, for attenuating noice associated with a fluid medium passing through said silencer comprising: a pair of opposed, spaced apart facing panels each of which being disposed within the duct and a

이 특허를 인용한 특허 (41)

  1. Lind, Stephen John; Meredith, Dustin Eric Jason, Acoustic dispersing airflow passage.
  2. Lind, Stephen John; Meredith, Dustin Eric Jason, Acoustic dispersing airflow passage.
  3. Liu, Zheji, Acoustic liner and a fluid pressurizing device and method utilizing same.
  4. Lorch Frederick A. ; Sharp Gordon P. ; Succi George, Acoustic resonator.
  5. Mercat, Florent, Acoustic treatment device for turbine and combustion noises.
  6. Schaake, Norman, Air duct.
  7. Yazici Muammer,CAX ; Richarz Werner,CAX, Air handling structure for fan inlet and outlet.
  8. Yazici Muammer (Ontario CAX) Richarz Werner (Ontario CAX), Air handling structure for pan inlet and outlet.
  9. Akhtar, Salman, Air handling unit with supply and exhaust fans.
  10. Derks, Irvin Lee; Austermiller, James Lee; Perkins, Courtney Lee, Air treatment and sound reduction system.
  11. Dausch, Uwe, Air-diffusion panel for a motor vehicle.
  12. William H. Hogeboom ; Gerald W. Bielak, Aircraft engine acoustic liner and method of making the same.
  13. Wüest, Thomas; Strebel, René; Zeder, Lukas; Schaffhauser, Urs; Schuler, Christoph; Brügger, Beat, Device for ventilating an elevator cage.
  14. Liu, Zheji, Double layer acoustic liner and a fluid pressurizing device and method utilizing same.
  15. Eustace Robert H. (Winter Springs FL), Ductless acoustical noise attenuator.
  16. Opoku, Daniel G.; Bonilha, Murllo W.; Li, Wenlong; Alves, Goldino; Jayachandran, Vijay, Elevator ceiling ventilation cavity.
  17. Uhlemann, Thomas; Gorke, Peter, Exhaust muffler for exhaust system.
  18. Dyck, Alfred Theodor; McLennan, Duane; Patterson, James William; Baetsen, Johann Joel Emile; Gryc, Bogna, Fan powered silencing terminal unit.
  19. Liu, Zheji, Gas compression apparatus and method with noise attenuation.
  20. Lange Kurt-Jurgen,DEX, Gas turbine muffler with diffusor.
  21. John Bubulka ; Charles Beaman ; Michael Grover ; Ryan Traxinger, High performance muffler.
  22. Blaser Dwight A. (Sterling Heights MI) Goding David J. (Willow Springs IL) Ingard Karl U. (Kittery Point ME), Low back pressure exhaust silencer for diesel locomotives.
  23. Thurman William E. ; Coday Roger M. ; Mysore Prabhanjan, Media free sound attenuator.
  24. Wood, Kenneth Brian, Microperforated polymeric film for sound absorption and sound absorber using same.
  25. Wood, Kenneth Brian, Microperforated polymeric film for sound absorption and sound absorber using same.
  26. Bartlett, William Lee, Muffler for automobile.
  27. Madden Peter E. (Shaker Heights OH) Fedun Basil (Chardon OH) Turner Paul N. (Concord Township OH) Johnson Michael P. (Shaker Heights OH), Noise cancellation method and apparatus.
  28. Tracy, Mark S.; Tang, Punan; Chowdhury, Mohammed I.; Price, Herman A., Noise reduction with resonatance chamber.
  29. Yazici, Muammer; Han, Ming Hui, Outlet silencer for cooling tower, evaporator cooler or condenser.
  30. Wood, Kenneth Brian, Process of forming a microperforated polymeric film for sound absorption.
  31. Nelson, David Alan; Merillat, Adam; Tevebaugh, Casey Don; Reder, Francis E., Quadruple-tuned silencer apparatus and method for attenuating sound from an engine exhaust.
  32. Allen Donald L.,CAX ; Stevens Robert D.,CAX, Reactive acoustic silencer.
  33. Wood, Kenneth B.; Martinson, Paul A., Shaped microperforated polymeric film sound absorbers and methods of manufacturing the same.
  34. Dyck, Alfred Theodor; McLennan, Duane; Patterson, James William; Baetsen, Johann Joel Emile; Gryc, Bogna, Single duct silencing terminal unit.
  35. Penner, Jarvis M.; Dyck, Alfred Theodor; Tully, Brad Curtis; Gryc, Bogna, Sound attentuator.
  36. Waisanen, Andrew S., Sound attenuating air intake systems for marine engines.
  37. MacDonald Michael S. (Madison WI) Assarattanakul Thinakorn (Verona WI), Sound attenuator for HVAC systems.
  38. Helenius, Kalle; Pettersson, Henrik, Sound attenuator for low frequencies, method for manufacturing sound attenuator for low frequencies and system for attenuating low frequencies for example in air-conditioning ducts of paper mills.
  39. Corin, Ralf, Sound dampening flow channel device.
  40. Matthews, Christopher James, Ventilation device and frame system.
  41. Furse John H., Wall structure for sound attenuating apparatus.
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