3439709

Information

• Patent Grant
• 3439709

• References
• Source

• Patent Number

  3,439,709

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1969
  55 years ago

• CPC

  • F15B11/042 - by regulating means in feed line
  • F15B2211/20538 - constant capacity
  • F15B2211/30525 - Directional control valves
  • F15B2211/321 - mechanically
  • F15B2211/351 - Flow control by regulating means in feed line
  • F15B2211/353 - Flow control by regulating means in return line
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/45 - Control of bleed-off flow
  • 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
  • F15B2211/7052 - Single-acting output members
  • F15B2211/75 - Control of speed of the output member
  • Y10T137/87185 - Controlled by supply or exhaust valve

• US Classifications

  • 137 - Fluid handling