1934713

Information

• Patent Grant
• 1934713

• References
• Source

• Patent Number

  1,934,713

• Date Filed

  Not available

• Date Issued

  Tuesday, November 14, 1933
  91 years ago

• CPC

  • G05D7/0193 - using hydraulic or pneumatic amplifiers, relays or transmitters
  • Y10T137/0357 - For producing uniform flow
  • Y10T137/0368 - By speed of fluid
  • Y10T137/2521 - Flow comparison or differential response
  • Y10T137/3115 - Gas pressure storage over or displacement of liquid
  • Y10T137/7374 - Flexible diaphragm valve
  • Y10T137/7391 - Shifting weight
  • Y10T137/776 - Control by pressures across flow line valve
  • Y10T137/7788 - Pressures across fixed choke
  • Y10T137/7789 - With Venturi tube having a connection to throat
  • Y10T137/7805 - Through external pipe
  • Y10T137/86767 - Spool
  • Y10T137/87499 - Fluid actuated or retarded

• US Classifications

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