2171579

Information

• Patent Grant
• 2171579

• References
• Source

• Patent Number

  2,171,579

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1939
  85 years ago

• CPC

  • F17C7/02 - Discharging liquefied gases
  • F17C2205/0326 - electrically actuated
  • F17C2223/013 - liquid
  • F17C2227/0114 - with vacuum injectors
  • F17C2250/0636 - Flow or movement of content
  • F17C2250/0673 - Time or time periods
  • Y10T137/2733 - Sequentially discharging in parallel
  • Y10T137/2849 - Siphon venting or breaking
  • Y10T137/2877 - Pump or liquid displacement device for flow passage
  • Y10T137/7781 - With separate connected fluid reactor surface
  • Y10T137/86187 - Plural tanks or compartments connected for serial flow
  • Y10T137/86405 - Repeating cycle

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation