2977763

Information

• Patent Grant
• 2977763

• References
• Source

• Patent Number

  2,977,763

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • F15B11/022 - in which a rapid approach stroke is followed by a slower, high-force working stroke
  • F15B1/02 - Installations or systems with accumulators
  • F15B2211/212 - the pressure sources being accumulators
  • F15B2211/251 - High pressure control
  • F15B2211/252 - Low pressure control
  • F15B2211/30525 - Directional control valves
  • F15B2211/3133 - Regenerative position connecting the working ports or connecting the working ports to the pump
  • F15B2211/31582 - having multiple pressure sources and a single output member
  • F15B2211/324 - manually
  • F15B2211/625 - Accumulators
  • F15B2211/775 - Combined control

• US Classifications

  • 060 - Power plants