2495669

Information

• Patent Grant
• 2495669

• References
• Source

• Patent Number

  2,495,669

• Date Filed

  Not available

• Date Issued

  Tuesday, January 24, 1950
  75 years ago

• CPC

  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • G01N3/12 - Pressure testing
  • G05D16/2093 - with combination of electric and non-electric auxiliary power
  • F15B2211/20538 - constant capacity
  • F15B2211/20576 - with multiple pumps
  • F15B2211/30505 - Non-return valves
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/411 - the positions being discrete
  • F15B2211/41572 - being connected to a pressure source and an output member
  • F15B2211/426 - electrically or electronically
  • F15B2211/45 - Control of bleed-off flow
  • 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
  • F15B2211/526 - electrically or electronically
  • F15B2211/7053 - Double-acting output members
  • F15B2211/7057 - being of the telescopic type
  • F15B2211/76 - Control of force or torque of the output member

• US Classifications

  • 417 - Pumps