3576177

Information

• Patent Grant
• 3576177

• References
• Source

• Patent Number

  3,576,177

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1971
  54 years ago

• CPC

  • F24D12/02 - having more than one heat source
  • G05D23/1912 - whose output amplitude can take more than two discrete values
  • G05D23/1931 - to control the temperature of one space
  • F24D2200/04 - Gas or oil fired boiler
  • F24D2200/043 - More than one gas or oil fired boiler
  • F24D2200/18 - Flue gas recuperation
  • Y02B10/70 - Hybrid systems
  • Y02B30/108 - Modular boilers
  • Y02B30/14 - Central heating systems having more than one heat source

• US Classifications

  • 122 - Liquid heaters and vaporizers