3739690

Information

• Patent Grant
• 3739690

• References
• Source

• Patent Number

  3,739,690

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • F15B11/08 - with only one servomotor
  • F15B2211/3057 - having two valves, one for each port of a double-acting output member
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/40546 - with flow combiners
  • F15B2211/41572 - being connected to a pressure source and an output member
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/5157 - being connected to a pressure source and a return line
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/5753 - for closing a valve
  • F15B2211/635 - Circuits providing pilot pressure to pilot pressure-controlled fluid circuit elements

• US Classifications

  • 091 - Motors: expansible chamber type