2196491

Information

• Patent Grant
• 2196491

• References
• Source

• Patent Number

  2,196,491

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1940
  85 years ago

• CPC

  • F01N13/007 - Apparatus used as intake or exhaust silencer
  • F01N1/089 - using two or more expansion chambers in series
  • F01N3/06 - for extinguishing sparks
  • F02M35/084 - Dust collection chambers or discharge sockets
  • F02M35/1216 - by using a plurality of holes, slits, protrusions, perforations, ribs or the like; Surface structures; Turbulence generators
  • F02M35/1227 - by using multiple air intake flow paths
  • F02M35/14 - Combined air cleaners and silencers
  • F01N2230/06 - Spark arresters
  • F01N2470/02 - Tubes being perforated

• US Classifications

  • 181 - Acoustics
  • 055 - Gas separation
  • 096 - Gas separation: apparatus