2041767

Information

• Patent Grant
• 2041767

• References
• Source

• Patent Number

  2,041,767

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1936
  88 years ago

• CPC

  • F01N13/007 - Apparatus used as intake or exhaust silencer
  • F01N1/006 - comprising at least one perforated tube extending from inlet to outlet of the silencer
  • F01N1/023 - Helmholtz resonators
  • F01N1/04 - having sound-absorbing materials in resonance chambers
  • F01N1/24 - by using sound-absorbing materials
  • F02M35/1216 - by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
  • F02M35/1255 - using resonance
  • F02M35/1272 - using absorbing, damping, insulating or reflecting materials
  • F01N2310/02 - Mineral wool
  • F01N2310/04 - Metallic wool
  • F01N2310/08 - Exfoliated vermiculite
  • F01N2490/15 - Plurality of resonance or dead chambers
  • F02M35/12 - Intake silencers Sound modulation, transmission or amplification

• US Classifications

  • 181 - Acoustics