2973750

Information

• Patent Grant
• 2973750

• References
• Source

• Patent Number

  2,973,750

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1961
  63 years ago

• CPC

  • F22B1/22 - using combustion under pressure substantially exceeding atmospheric pressure
  • F22B21/00 - Water-tube boilers of vertical or steeply-inclined type
  • F22B21/343 - the vertical radiation combustion chamber being connected at its upper part to a sidewards convection chamber
  • F22G5/02 - Applications of combustion-control devices
  • F22G5/04 - by regulating flue gas flow
  • F22G5/06 - by recirculating flue gases

• US Classifications

  • 122 - Liquid heaters and vaporizers