3699683

Information

• Patent Grant
• 3699683

• References
• Source

• Patent Number

  3,699,683

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1972
  52 years ago

• CPC

  • F01N3/32 - using air pump
  • B01D53/944 - Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts
  • B01D53/9495 - Controlling the catalytic process
  • F01N3/0835 - Hydrocarbons
  • F01N3/0878 - Bypassing absorbents or adsorbents
  • F01N3/30 - Arrangements for supply of additional air
  • F01N13/009 - having two or more separate purifying devices arranged in series
  • F02M26/15 - in relation to engine exhaust purifying apparatus
  • F01N3/20 - specially adapted for catalytic conversion; Methods of operation or regulation of catalytic converters
  • F01N2240/18 - an adsorber or absorber
  • F01N2250/12 - absorption or adsorption, and catalytic conversion
  • F01N2330/08 - Granular material
  • F01N2370/00 - Selection of materials for exhaust purification
  • F01N2390/02 - using electric components only
  • F01N2390/06 - using pneumatic components only
  • F01N2410/00 - By-passing, at least partially, exhaust from inlet to outlet of apparatus, to atmosphere or to other device
  • F01N2410/12 - in case of absorption, adsorption or desorption of exhaust gas constituents
  • Y02T10/20 - Exhaust after-treatment
  • Y10S55/30 - Exhaust treatment

• US Classifications

  • 060 - Power plants
  • 055 - Gas separation
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
  • 423 - Chemistry of inorganic compounds