2550391

Information

• Patent Grant
• 2550391

• References
• Source

• Patent Number

  2,550,391

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1951
  73 years ago

• CPC

  • B23Q5/033 - driven essentially by fluid pressure
  • F15B11/042 - by regulating means in feed line
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/321 - mechanically
  • F15B2211/40515 - with variable throttles or orifices
  • 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
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/7052 - Single-acting output members
  • F15B2211/75 - Control of speed of the output member
  • Y10T409/505576 - with fluid-driven bed
  • Y10T409/507872 - including means causing return stroke

• US Classifications

  • 060 - Power plants
  • 091 - Motors: expansible chamber type
  • 409 - Gear cutting, milling, or planing