3003374

Information

• Patent Grant
• 3003374

• References
• Source

• Patent Number

  3,003,374

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1961
  63 years ago

• CPC

  • B21B31/32 - by liquid pressure
  • F15B11/02 - Systems ess entially incorporating special features for controlling the speed or actuating force of an output member
  • F15B2211/20538 - constant capacity
  • F15B2211/20576 - with multiple pumps
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/50545 - using braking valves to maintain a back pressure
  • F15B2211/5159 - being connected to an output member and a return line
  • F15B2211/523 - manually
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • Y10T137/7766 - Choked passage through main valve head

• US Classifications

  • 072 - Metal deforming
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling