2112520

Information

• Patent Grant
• 2112520

• References
• Source

• Patent Number

  2,112,520

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1938
  86 years ago

• CPC

  • F24F3/02 - characterised by the pressure or velocity of the primary air
  • F24F13/15 - with parallel simultaneously tiltable lamellae

• US Classifications

  • 165 - Heat exchange
  • 062 - Refrigeration
  • 236 - Automatic temperature and humidity regulation
  • 261 - Gas and liquid contact apparatus
  • 454 - Ventilation