3870227

Information

• Patent Grant
• 3870227

• References
• Source

• Patent Number

  3,870,227

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • F24F3/048 - with temperature control at constant rate of air-flow
  • F24F11/08 - for controlling the primary treatment of air

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 165 - Heat exchange