3888542

Information

• Patent Grant
• 3888542

• References
• Source

• Patent Number

  3,888,542

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • B60K17/10 - of fluid gearing
  • E01C23/088 - Rotary tools
  • E02F9/22 - Hydraulic or pneumatic drives
  • E02F9/2217 - with energy recovery arrangements
  • E02F9/2292 - Systems with two or more pumps
  • F15B11/17 - using two or more pumps
  • F15B2211/20561 - reversible
  • F15B2211/20576 - with multiple pumps
  • F15B2211/27 - Directional control by means of the pressure source
  • F15B2211/40523 - with flow dividers
  • F15B2211/428 - actuated by fluid pressure
  • F15B2211/45 - Control of bleed-off flow
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/7142 - the output members being arranged in multiple groups
  • F15B2211/781 - one or more output members having priority

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting