3033307

Information

• Patent Grant
• 3033307

• References
• Source

• Patent Number

  3,033,307

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1962
  63 years ago

• CPC

  • F01N1/24 - by using sound-absorbing materials
  • B64F1/26 - for reducing engine or jet noise Protecting airports from jet erosion
  • F01N1/02 - by using resonance
  • F01N1/04 - having sound-absorbing materials in resonance chambers
  • F01N1/10 - in combination with sound-absorbing materials
  • F02K1/827 - Sound absorbing structures or liners
  • F04B39/0027 - Pulsation and noise damping means
  • F04B39/005 - with direct action on the fluid flow using absorptive materials
  • F04D29/66 - Combating cavitation, whirls, noise, vibration or the like Balancing
  • F04D29/664 - by means of sound absorbing material
  • F16L55/02754 - using a central core throttling the passage
  • F01N2490/155 - being disposed one after the other in flow direction
  • F01N2490/20 - Chambers being formed inside the exhaust pipe without enlargement of the cross section of the pipe

• US Classifications

  • 181 - Acoustics