3633343

Information

• Patent Grant
• 3633343

• References
• Source

• Patent Number

  3,633,343

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • F01N3/0217 - the filtering elements having the form of hollow cylindrical bodies
  • F01N3/022 - characterised by specially adapted filtering structure
  • F01N3/037 - by means of inertial or centrifugal separators
  • F01N3/04 - using liquids
  • F01N3/0814 - combined with catalytic converters
  • F01N3/0842 - Nitrogen oxides
  • F01N13/009 - having two or more separate purifying devices arranged in series
  • F01N2230/02 - Exhaust filters
  • F01N2240/20 - a flow director or deflector
  • F01N2250/12 - absorption or adsorption, and catalytic conversion
  • F01N2330/10 - Fibrous material
  • F01N2330/102 - fibrous material being fiber reinforced polymer made of plastic matrix reinforced by fine glass or in the form of a loose mass of filaments or fibers
  • F01N2370/40 - Activated carbon or charcoal
  • F01N2450/30 - Removable or rechangeable blocks or cartridges
  • F01N2470/24 - Concentric tubes or tubes being concentric to housing
  • Y10S55/30 - Exhaust treatment

• US Classifications

  • 096 - Gas separation: apparatus
  • 055 - Gas separation
  • 060 - Power plants