3693532

Information

• Patent Grant
• 3693532

• References
• Source

• Patent Number

  3,693,532

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1972
  52 years ago

• CPC

  • B60H1/00042 - the air passing only one heat exchanger
  • B60H2001/00171 - Valves on heaters for modulated liquid flow
  • B60H2001/00192 - to left and right part of passenger compartment

• US Classifications

  • 454 - Ventilation