3691873

Information

• Patent Grant
• 3691873

• References
• Source

• Patent Number

  3,691,873

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  53 years ago

• CPC

  • F02D9/00 - Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
  • F02B1/04 - with fuel-air mixture admission into cylinder
  • F02D2700/0238 - depending on the number of revolutions of a centrifugal governor
  • Y10T477/663 - Exhaust emission control
  • Y10T477/67 - Ignition advanced or retarded

• US Classifications

  • 477 - Interrelated power delivery controls, including engine control
  • 123 - Internal-combustion engines