3454031

Information

• Patent Grant
• 3454031

• References
• Source

• Patent Number

  3,454,031

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1969
  55 years ago

• CPC

  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F16D25/14 - Fluid pressure control
  • F16D48/04 - providing power assistance
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/30535 - the pressure compensating valve is arranged between pressure source and directional control valve
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/615 - Filtering means
  • F15B2211/7052 - Single-acting output members
  • F15B2211/76 - Control of force or torque of the output member
  • F16D2048/0209 - characterised by fluid valves having control pistons
  • F16D2048/0221 - Valves for clutch control systems; Details thereof
  • F16D2048/045 - Vacuum boosters therefor
  • Y10T137/2574 - Bypass or relief controlled by main line fluid condition
  • Y10T137/2612 - Common sensor for both bypass or relief valve and other branch valve
  • Y10T137/2615 - Bypass or relief valve opens as other branch valve closes
  • Y10T137/2635 - Pilot valve operated
  • Y10T137/87265 - Dividing into parallel flow paths with recombining
  • Y10T137/87764 - Having fluid actuator
  • Y10T137/87772 - With electrical actuation

• US Classifications

  • 137 - Fluid handling
  • 091 - Motors: expansible chamber type