3680588

Information

• Patent Grant
• 3680588

• References
• Source

• Patent Number

  3,680,588

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1972
  52 years ago

• CPC

  • F16K31/12 - actuated by fluid
  • F15B11/162 - for giving priority to particular servomotors or users
  • F15B11/17 - using two or more pumps
  • F15B2013/0413 - with four or more positions
  • F15B2211/20553 - with pilot circuit
  • F15B2211/3057 - having two valves, one for each port of a double-acting output member
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/50518 - using pressure relief valves
  • 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
  • F15B2211/5153 - being connected to an output member and a directional control valve
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/615 - Filtering means
  • F15B2211/62 - Cooling or heating means
  • F15B2211/6355 - having valve means
  • F15B2211/7142 - the output members being arranged in multiple groups
  • F15B2211/781 - one or more output members having priority
  • Y10T137/87225 - Fluid motor

• US Classifications

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