2081542

Information

• Patent Grant
• 2081542

• References
• Source

• Patent Number

  2,081,542

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1937
  87 years ago

• CPC

  • F04B49/225 - with throttling valves or valves varying the pump inlet opening or the outlet opening
  • E21B43/017 - Production satellite stations
  • Y10T137/1026 - Speed change and excess speed valve control
  • Y10T137/7723 - Safety cut-off requiring reset
  • Y10T137/773 - Fluid released trip
  • Y10T137/7731 - Fluid counter-biased or unseated valve
  • Y10T137/7759 - Responsive to change in rate of fluid flow
  • Y10T137/7905 - Plural biasing means
  • Y10T137/7907 - Varying effective lever arm

• US Classifications

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