3847538

Information

• Patent Grant
• 3847538

• References
• Source

• Patent Number

  3,847,538

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • C21B13/08 - in rotary furnaces
  • F27B7/362 - Introducing gas into the drum axially or through the wall
  • F27B2007/367 - transversally through the wall of the drum
  • F27D2007/026 - Dampers
  • F27D2019/0068 - Regulation involving a measured inflow of a particular gas in the enclosure

• US Classifications

  • 432 - Heating