3837268

Information

• Patent Grant
• 3837268

• References
• Source

• Patent Number

  3,837,268

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • F24F11/043 - dependent on air-current or wind pressure
  • F24F13/15 - with parallel simultaneously tiltable lamellae
  • Y10T137/7839 - Dividing and recombining in a single flow path
  • Y10T137/7874 - Edge pivoted valve
  • Y10T137/7875 - Pivoted valves

• US Classifications

  • 454 - Ventilation
  • 137 - Fluid handling