3691904

Information

• Patent Grant
• 3691904

• References
• Source

• Patent Number

  3,691,904

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • 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
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/411 - the positions being discrete
  • F15B2211/41581 - being connected to an output member and a return line
  • F15B2211/7053 - Double-acting output members
  • F15B2211/7057 - being of the telescopic type

• US Classifications

  • 091 - Motors: expansible chamber type