3759143

Information

• Patent Grant
• 3759143

• References
• Source

• Patent Number

  3,759,143

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1973
  51 years ago

• CPC

  • E02F3/844 - for positioning the blade
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • G05D16/10 - the sensing element being a piston or plunger
  • F15B2211/20538 - constant capacity
  • F15B2211/30525 - Directional control valves
  • F15B2211/3111 - the pump port being closed in the centre position
  • F15B2211/31576 - having a single pressure source and a single output member
  • F15B2211/324 - manually
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/424 - actuated by an output member of the circuit
  • F15B2211/45 - Control of bleed-off flow
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/50554 - the pressure control means controlling a pressure downstream of the pressure control means
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/7053 - Double-acting output members
  • F15B2211/7054 - Having equal piston areas
  • F15B2211/71 - Multiple output members
  • F15B2211/76 - Control of force or torque of the output member

• US Classifications

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