2431146

Information

• Patent Grant
• 2431146

• References
• Source

• Patent Number

  2,431,146

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1947
  77 years ago

• CPC

  • B60H1/0005 - the air being firstly cooled and subsequently heated or vice-versa
  • B60H1/3202 - using evaporation, i.e. not including a compressor
  • B60H2001/00142 - first heating and then cooling
  • B60H2001/00157 - without by-pass
  • B60H2001/00171 - Valves on heaters for modulated liquid flow

• US Classifications

  • 454 - Ventilation
  • 180 - Motor vehicles
  • 261 - Gas and liquid contact apparatus