3918257

Information

• Patent Grant
• 3918257

• References
• Source

• Patent Number

  3,918,257

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • F01N3/18 - characterised by methods of operation Regulation
  • F01N3/20 - specially adapted for catalytic conversion; Methods of operation or regulation of catalytic converters
  • F01N3/2006 - Periodically heating or cooling catalytic reactors
  • F01N3/2053 - By-passing catalytic reactors
  • F01N9/00 - Electrical control of exhaust gas treating apparatus
  • F01N13/009 - having two or more separate purifying devices arranged in series
  • F02D11/08 - of the pneumatic type
  • F02D35/00 - Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
  • F02D41/024 - to increase temperature of the exhaust gas treating apparatus
  • F01N2230/04 - Catalytic converters
  • F01N2230/08 - Thermal reactors
  • F01N2250/04 - afterburning and catalytic conversion
  • F01N2430/06 - by varying fuel-air ratio
  • F01N2470/30 - Tubes with restrictions, i.e. venturi or the like
  • Y02T10/26 - Thermal conditioning of exhaust after-treatment
  • Y02T10/47 - Exhaust feedback
  • Y10T477/653 - Temperature control
  • Y10T477/663 - Exhaust emission control
  • Y10T477/68 - Transmission setting contingent

• US Classifications

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