2999482

Information

• Patent Grant
• 2999482

• References
• Source

• Patent Number

  2,999,482

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1961
  63 years ago

• CPC

  • F15B11/0426 - by controlling the number of pumps or parallel valves switched on
  • F15B21/08 - Servomotor systems incorporating electrically operated control means
  • G06G5/00 - Devices in which the computing operation is performed by means of fluid-pressure elements
  • F15B2211/40507 - with constant throttles or orifices
  • F15B2211/40592 - with multiple valves in parallel flow paths
  • F15B2211/411 - the positions being discrete
  • F15B2211/426 - electrically or electronically
  • F15B2211/455 - Control of flow in the feed line
  • F15B2211/46 - Control of flow in the return lin
  • F15B2211/7053 - Double-acting output members
  • F15B2211/75 - Control of speed of the output member
  • Y10S60/911 - Fluid motor system incorporating electrical system
  • Y10S91/01 - Digital
  • Y10T137/8729 - Having digital flow controller
  • Y10T137/87298 - Having digital flow controller

• US Classifications

  • 091 - Motors: expansible chamber type
  • 060 - Power plants
  • 137 - Fluid handling
  • 235 - Registers