3646875

Information

• Patent Grant
• 3646875

• References
• Source

• Patent Number

  3,646,875

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • B60H1/00042 - the air passing only one heat exchanger
  • B60H2001/00121 - More than one heat exchanger in parallel
  • B60H2001/00135 - Deviding walls for separate air flows

• US Classifications

  • 454 - Ventilation