3685654

Information

• Patent Grant
• 3685654

• References
• Source

• Patent Number

  3,685,654

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  53 years ago

• CPC

  • B01D21/06 - with rotating scrapers
  • B01D21/20 - Driving mechanisms
  • B01D21/22 - Safety mechanisms
  • B01D21/2427 - The feed or discharge opening located at a distant position from the side walls
  • B01D21/2461 - Positive-displacement pumps; Screw feeders; Trough conveyors
  • B01D21/2488 - bringing about a partial recirculation of the liquid
  • B01D21/34 - Regulation of feed distribution Regulation of liquid level; Control of process parameters

• US Classifications

  • 210 - Liquid purification or separation