3918470

Information

• Patent Grant
• 3918470

• References
• Source

• Patent Number

  3,918,470

• Date Filed

  Not available

• Date Issued

  Tuesday, November 11, 1975
  49 years ago

• CPC

  • G05D7/0106 - the sensing element being a flexible member
  • F15B11/028 - for controlling the actuating force
  • F16K17/0446 - with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
  • F15B2211/20538 - constant capacity
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/30505 - Non-return valves
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/625 - Accumulators
  • Y10T137/2642 - Sensor rigid with valve
  • Y10T137/7836 - Flexible diaphragm or bellows reactor

• US Classifications

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