3777491

Information

• Patent Grant
• 3777491

• References
• Source

• Patent Number

  3,777,491

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1973
  51 years ago

• CPC

  • F04B47/14 - Counterbalancing
  • F04B47/04 - the driving means incorporating fluid means
  • F15B1/26 - Supply reservoir or sump assemblies
  • F15B11/036 - by means of servomotors having a plurality of working chambers
  • F15B15/1466 - Hollow piston sliding over a stationary rod inside the cylinder
  • F15B2211/20538 - constant capacity
  • F15B2211/30505 - Non-return valves
  • F15B2211/31576 - having a single pressure source and a single output member
  • F15B2211/329 - actuated by fluid pressure
  • F15B2211/7053 - Double-acting output members
  • F15B2211/71 - Multiple output members
  • F15B2211/7725 - with automatic reciprocation

• US Classifications

  • 060 - Power plants