3629652

Information

• Patent Grant
• 3629652

• References
• Source

• Patent Number

  3,629,652

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • F02P9/002 - Control of spark intensity, intensifying, lengthening, suppression
  • F02P9/00 - Electric spark ignition control, not otherwise provided for
  • F02P9/007 - by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug
  • F02P15/003 - Layout of ignition circuits for gas turbine plants
  • H03K3/543 - the switching device being a vacuum tube

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 361 - Electricity: electrical systems and devices