3221501

Information

• Patent Grant
• 3221501

• References
• Source

• Patent Number

  3,221,501

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • F15B21/00 - Common features Fluid-pressure systems, or details thereof, not covered by any preceding group
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F15B2211/20523 - Internal combustion engine
  • F15B2211/20538 - constant capacity
  • F15B2211/30525 - Directional control valves
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/6051 - having valve means between output member and the load sensing circuit
  • F15B2211/7053 - Double-acting output members
  • F15B2211/7733 - providing vibrating movement
  • Y10S60/907 - Working member positioned against counterforce by constantly applied motive fluid

• US Classifications

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