3668889

Information

• Patent Grant
• 3668889

• References
• Source

• Patent Number

  3,668,889

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • F23L17/04 - Balanced-flue arrangements
  • F25D23/10 - Arrangements for mounting in particular locations
  • F23J2211/10 - Balanced flues (combining air supply and flue gas exhaust)
  • F25B2333/003 - the generator or boiler is heated by combustion gas
  • F25D11/027 - of the sorption cycle type
  • F25D23/003 - for cooling refrigerating machinery
  • F25D2323/00261 - through the back bottom side
  • F25D2323/00262 - through the back top side
  • F25D2323/00272 - from the back top
  • F25D2500/02 - Geometry problems

• US Classifications

  • 062 - Refrigeration
  • 126 - Stoves and furnaces