3590945

Information

• Patent Grant
• 3590945

• References
• Source

• Patent Number

  3,590,945

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • F01N13/1855 - the connection being realised by using bolts, screws, rivets or the like
  • F01N1/02 - by using resonance
  • F01N1/023 - Helmholtz resonators
  • F01N1/22 - the parts being resilient walls
  • F02B75/34 - Ultra-small engines
  • F01N2260/02 - for cooling the device
  • F01N2450/22 - by welding or brazing
  • F01N2450/24 - by bolts, screws, rivets or the like
  • F01N2470/20 - Dimensional characteristics of tubes
  • F01N2530/06 - Aluminium or alloys thereof
  • F01N2530/18 - Plastics material
  • F01N2530/26 - Multi-layered walls
  • Y10S181/404 - Hobby craft engine muffler

• US Classifications

  • 181 - Acoustics