3459071

Information

• Patent Grant
• 3459071

• References
• Source

• Patent Number

  3,459,071

• Date Filed

  Not available

• Date Issued

  Tuesday, August 5, 1969
  55 years ago

• CPC

  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F16H61/0262 - the signals being hydraulic
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/3056 - Assemblies of multiple valves
  • F15B2211/31547 - having multiple pressure sources and multiple output members
  • F15B2211/324 - manually
  • F15B2211/40507 - with constant throttles or orifices
  • F15B2211/41527 - being connected to an output member and a directional control valve
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/50509 - the pressure control means controlling a pressure upstream of the pressure control means
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/555 - for assuring a minimum pressure
  • F15B2211/57 - Control of a differential pressure
  • F15B2211/6355 - having valve means
  • F15B2211/7052 - Single-acting output members
  • F15B2211/7053 - Double-acting output members
  • F15B2211/71 - Multiple output members
  • F15B2211/78 - Control of multiple output members
  • F15B2211/782 - Concurrent control
  • F16H2716/06 - Circuits thereof
  • Y10T137/7782 - With manual or external control for line valve
  • Y10T137/86718 - Dividing into parallel flow paths with recombining

• US Classifications

  • 475 - Planetary gear transmission systems or components
  • 137 - Fluid handling