2243815

Information

• Patent Grant
• 2243815

• References
• Source

• Patent Number

  2,243,815

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1941
  83 years ago

• CPC

  • F16K31/34 - acting on pilot valve controlling the cut-off apparatus
  • C02F1/42 - by ion-exchange
  • Y10T137/4252 - Reverse fluid flow
  • Y10T137/7303 - Control of both inflow and outflow of tank
  • Y10T137/7407 - With counter-balance
  • Y10T137/7762 - Fluid pressure type
  • Y10T137/86445 - Plural, sequential, valve actuations

• US Classifications

  • 210 - Liquid purification or separation
  • 137 - Fluid handling