1699020

Information

• Patent Grant
• 1699020

• References
• Source

• Patent Number

  1,699,020

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1929
  95 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
  • 236 - Automatic temperature and humidity regulation
  • 454 - Ventilation
  • D12 - Transportation