3680659

Information

• Patent Grant
• 3680659

• References
• Source

• Patent Number

  3,680,659

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • F01N13/00 - Exhaust or silencing apparatus characterised by constructional features; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
  • F01N1/082 - the gases passing through porous members
  • F04B39/0083 - using blow off silencers

• US Classifications

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