2977933

Information

• Patent Grant
• 2977933

• References
• Source

• Patent Number

  2,977,933

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  64 years ago

• CPC

  • B23Q5/26 - Fluid-pressure drives
  • F15B11/04 - for controlling the speed
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/324 - manually
  • F15B2211/325 - actuated by an output member of the circuit
  • F15B2211/40507 - with constant throttles or orifices
  • F15B2211/40515 - with variable throttles or orifices
  • F15B2211/41527 - being connected to an output member and a directional control valve
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/7053 - Double-acting output members
  • F15B2211/75 - Control of speed of the output member
  • F15B2211/7725 - with automatic reciprocation
  • Y10T137/87845 - For valve having a ball head

• US Classifications

  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling