2780204

Information

• Patent Grant
• 2780204

• References
• Source

• Patent Number

  2,780,204

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  67 years ago

• CPC

  • F15B11/044 - by regulating means in return line
  • F15B2211/30505 - Non-return valves
  • F15B2211/30525 - Directional control valves
  • F15B2211/327 - electrically or electronically
  • F15B2211/40507 - with constant throttles or orifices
  • F15B2211/40584 - the flow control means arranged in parallel with a check valve
  • F15B2211/426 - electrically or electronically
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/473 - without restriction in the reverse direction
  • F15B2211/50518 - using pressure relief valves
  • F15B2211/50536 - using unloading valves controlling the supply pressure by diverting fluid to the return line
  • F15B2211/5151 - being connected to a pressure source and a directional control valve
  • F15B2211/523 - manually
  • F15B2211/528 - actuated by fluid pressure
  • F15B2211/55 - for limiting a pressure up to a maximum pressure
  • F15B2211/615 - Filtering means
  • F15B2211/625 - Accumulators
  • F15B2211/7053 - Double-acting output members

• US Classifications

  • 091 - Motors: expansible chamber type
  • 060 - Power plants
  • 092 - Expansible chamber devices