3650425

Information

• Patent Grant
• 3650425

• References
• Source

• Patent Number

  3,650,425

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  52 years ago

• CPC

  • E02F3/434 - providing automatic sequences of movements
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/3116 - the pump port being open in the centre position
  • F15B2211/50518 - using pressure relief valves
  • 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
  • F15B2211/6355 - having valve means
  • F15B2211/7053 - Double-acting output members
  • F15B2211/71 - Multiple output members
  • F15B2211/783 - Sequential control

• US Classifications

  • 414 - Material or article handling