1379644

Information

• Patent Grant
• 1379644

• References
• Source

• Patent Number

  1,379,644

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1921
  103 years ago

• CPC

  • F01P7/10 - by throttling amount of air flowing through liquid-to-air heat exchangers
  • Y10S165/098 - One shutter section having different flow area or flow direction with another shutter section

• US Classifications

  • 165 - Heat exchange
  • 049 - Movable or removable closures
  • 454 - Ventilation