2667887

Information

• Patent Grant
• 2667887

• References
• Source

• Patent Number

  2,667,887

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1954
  71 years ago

• CPC

  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • B64C25/44 - Actuating mechanisms
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/30505 - Non-return valves
  • F15B2211/3059 - having multiple valves for multiple output members
  • F15B2211/3111 - the pump port being closed in the centre position
  • F15B2211/324 - manually
  • F15B2211/50518 - using pressure relief valves
  • 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
  • F15B2211/5152 - being connected to multiple pressure sources
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/57 - Control of a differential pressure
  • F15B2211/615 - Filtering means
  • F15B2211/625 - Accumulators
  • F15B2211/7053 - Double-acting output members
  • F15B2211/71 - Multiple output members
  • F15B2211/76 - Control of force or torque of the output member
  • F15B2211/78 - Control of multiple output members
  • F15B2211/865 - Prevention of failures
  • F15B2211/8757 - using redundant components or assemblies
  • Y10T137/27 - Liquid level responsive
  • Y10T137/2705 - Pressure differential

• US Classifications

  • 137 - Fluid handling
  • 188 - Brakes
  • 303 - Fluid-pressure and analogous brake systems