3132802

Information

• Patent Grant
• 3132802

• References
• Source

• Patent Number

  3,132,802

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1964
  60 years ago

• CPC

  • C21C5/04 - Manufacture of hearth-furnace steel
  • F23N5/003 - using detectors sensitive to combustion gas properties
  • F27B3/002 - Siemens-Martin type furnaces
  • F27B3/28 - Arrangement of controlling, monitoring, alarm or the like devices
  • G05D7/0635 - by action on throttling means
  • G05D21/02 - characterised by the use of electric means
  • F23N5/18 - using detectors sensitive to rate of flow of air or fuel
  • F23N2033/06 - at the air intake
  • F23N2035/16 - variable flow or proportional valves
  • F23N2037/04 - at two or more different localities

• US Classifications

  • 236 - Automatic temperature and humidity regulation