2991621

Information

• Patent Grant
• 2991621

• References
• Source

• Patent Number

  2,991,621

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • F22G1/04 - by diverting flow or hot flue gases to separate superheaters operating in reheating cycle
  • F22B31/08 - Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
  • F22G1/16 - by using a separate heat source independent from heat supply of the steam boiler

• US Classifications

  • 060 - Power plants
  • 122 - Liquid heaters and vaporizers