2552067

Information

• Patent Grant
• 2552067

• References
• Source

• Patent Number

  2,552,067

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1951
  73 years ago

• CPC

  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F15B2211/20553 - with pilot circuit
  • F15B2211/25 - Pressure control functions
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/325 - actuated by an output member of the circuit
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/41527 - being connected to an output member and a directional control valve
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/5153 - being connected to an output member and a directional control valve
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/6355 - having valve means
  • F15B2211/7052 - Single-acting output members
  • F15B2211/7055 - having more than two chambers
  • F15B2211/7057 - being of the telescopic type
  • F15B2211/75 - Control of speed of the output member
  • F15B2211/775 - Combined control

• US Classifications

  • 091 - Motors: expansible chamber type
  • 060 - Power plants