2989138

Information

• Patent Grant
• 2989138

• References
• Source

• Patent Number

  2,989,138

• Date Filed

  Not available

• Date Issued

  Tuesday, June 20, 1961
  63 years ago

• CPC

  • F01N13/14 - having thermal insulation
  • F01N1/08 - by reducing exhaust energy by throttling or whirling
  • F01N3/02 - for cooling, or for removing solid constituents of, exhaust
  • F01N2230/00 - Combination of silencers and other devices
  • F01N2240/22 - a condensation chamber
  • F01N2310/02 - Mineral wool
  • F01N2310/12 - Granular material
  • F01N2470/10 - Tubes having non-circular cross section
  • F01N2530/04 - Steel alloys
  • Y02T10/20 - Exhaust after-treatment

• US Classifications

  • 181 - Acoustics