3032994

Information

• Patent Grant
• 3032994

• References
• Source

• Patent Number

  3,032,994

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1962
  63 years ago

• CPC

  • E02F9/2221 - Control of flow rate; Load sensing arrangements
  • E02F3/181 - including a conveyor
  • E02F3/20 - with tools that only loosen the material
  • E02F9/22 - Hydraulic or pneumatic drives
  • F15B11/17 - using two or more pumps
  • F15B2211/30505 - Non-return valves
  • F15B2211/3116 - the pump port being open in the centre position
  • F15B2211/41527 - being connected to an output member and a directional control valve
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/473 - without restriction in the reverse direction
  • F15B2211/71 - Multiple output members
  • F15B2211/75 - Control of speed of the output member
  • F15B2211/781 - one or more output members having priority
  • Y10S37/902 - Hydraulic motors

• US Classifications

  • 060 - Power plants
  • 037 - Excavating
  • 091 - Motors: expansible chamber type