3204619

Information

• Patent Grant
• 3204619

• References
• Source

• Patent Number

  3,204,619

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1965
  59 years ago

• CPC

  • F01N1/04 - having sound-absorbing materials in resonance chambers
  • F01N13/001 - Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
  • F01N13/002 - Apparatus adapted for particular uses
  • F01N13/1866 - the channels or tubes thereof being made integrally with the housing
  • F02B33/04 - with simple crankcase pump
  • F02B63/02 - for hand-held tools
  • F16J1/14 - with connecting-rods
  • F01N2590/06 - for hand-held tools or portables devices
  • F02B2075/025 - two

• US Classifications

  • 123 - Internal-combustion engines
  • 092 - Expansible chamber devices
  • 181 - Acoustics