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Low frequency muffler 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F01N-001/02
출원번호 US-0406557 (1982-08-09)
발명자 / 주소
  • Jones Adrian D. (944-956 South Rd. Edwardstown AUX)
인용정보 피인용 횟수 : 40  인용 특허 : 0

초록

A muffler comprises two Helmholtz resonators, one tuned for high frequency and the other for low frequency. There is a resonance of the high frequency resonator volume\s compliance and the effective tail pipe gas inertance which produces an undesirable low frequency noise. This is matched by the res

대표청구항

A muffler comprising a first and a second Helmholtz resonator, the first having a relative volume compliance and relatively high resonance frequency and the second having a relatively low resonance frequency; a main exhaust pipe and a tail pipe having a relative acoustical instance, the mean exhaust

이 특허를 인용한 특허 (40)

  1. Pellicone, Dane; Mangus, Jr., Ronald, Compact muffler having multiple reactive cavities providing multi-spectrum attenuation for enhanced noise suppression.
  2. DeTuncq Jon A. ; Gleason Steven M., Dual frequency side branch resonator.
  3. White, Jr.,John A., Dual-neck plane wave resonator.
  4. Chen,Yungrwei, Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit.
  5. Chen,Yungrwei; Cooper,Jack R., Energy attenuation apparatus for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit.
  6. Chen Yungrwei ; Cooper Jack R., Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a s.
  7. Chen Yungrwei ; Cooper Jack R., Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system.
  8. Chen Yungrwei ; Cooper Jack R., Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system.
  9. Chen Yungrwei ; Cooper Jack R., Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system.
  10. Cooper Jack R. ; Chen Yungrwei, Energy attenuation apparatus for a system conveying liquid under pressure and method of attenuating energy in such a system.
  11. Chen, Yungrwei; Schlak, Curtis William, Energy attenuation device.
  12. Chen,Yungrwei; Schlak,Curtis William, Energy attenuation device.
  13. Chen,Yungrwei; Schlak,Curtis William, Energy attenuation device.
  14. Chen Yungrwei ; Cooper Jack R., Energy attenuation device for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit.
  15. Yungrwei Chen ; Jack R. Cooper, Energy attenuation device for a conduit conveying liquid under pressure, system incorporating same, and method of attenuating energy in a conduit.
  16. Chen,Yungrwei; Cooper,Jack R., Energy attenuation device for a fluid-conveying line and method of attenuating energy in such a line.
  17. Bhattacharyya, Jayanta; Skiba, Terence E., Energy attenuation restrictor device and method of forming such restrictor device.
  18. Bhattacharyya, Jayanta; Skiba, Terence E., Energy attenuation restrictor device and method of forming such restrictor device.
  19. Reichelt, Frank; Ostromecki, Gabriel, Exhaust gas muffler.
  20. Stuber,Karl Bernard, Exhaust muffler.
  21. Matsueda, Koji; Yamaguchi, Junichi, Exhaust silencer device for internal combustion engine.
  22. Bogard, Joseph Trent, Exhaust system with external helmholtz resonator and associated method.
  23. Wang Chan-Yan (13th Fl. ; No. 4 ; Lane 204 ; Song Shan Rd. Taipei TWX), Exhaust tube.
  24. Takahashi, Yusuke; Konakawa, Tsugunori, Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine.
  25. Huang, Robben, Muffler.
  26. Hörr, Micha, Muffler.
  27. Hörr, Micha, Muffler.
  28. Hörr, Micha, Muffler for an exhaust system.
  29. Leng, Sascha; Jess, Marco; Hutschenreuther, Sebastian, Muffler for an exhaust system.
  30. Gommans, Leo, Muffler for an exhaust system of an internal combustion engine.
  31. Kaneso Hiroto (Hachiouji JPX), Muffler for an internal combustion engine.
  32. Beale Michael C. (Franklin VA) Kashy David H. (Hampton VA), Muffler for gas inducting machinery generating low frequency noise.
  33. Fujita, Masato, Muffler unit and vehicle including the same.
  34. Huff,Norman T.; Champney,Larry J.; Selamet,Ahmet; Lee,Iljae, Mufflers with enhanced acoustic performance at low and moderate frequencies.
  35. Cheng, C. Raymond; Rech, Jeffrey A., Multi-frequency engine intake resonator.
  36. Abram, Kwin; Arbuckle, Ivan; Iskenderova, Kamilla; Egan, James; Shaw, Dennis, Passive valve and resonator assembly for vehicle exhaust system.
  37. Morinaga,Hiroshi; Yokota,Hidetoshi, Rim wheel, and tire-rim assembly.
  38. Tauschek, Thomas; Spieth, Arnulf; Wirth, George, Silencer.
  39. Ishida, Masahiro; Matsuda, Naoki, Sound absorbing device, electronic device, and image forming apparatus.
  40. Bertrand, David William; Shaska, Kastriot; Zhou, Yafei, Universal attenuation device for air-conditioning circuit.
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