2998781

Information

• Patent Grant
• 2998781

• References
• Source

• Patent Number

  2,998,781

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1961
  63 years ago

• CPC

  • F04B9/1178 - the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
  • F01L25/063 - the auxiliary valve being actuated by the working motor-piston or piston-rod
  • F04B7/0225 - and having a slidable movement
  • F04B15/023 - supply of fluid to the pump by gravity through a hopper
  • Y10S417/90 - Slurry pumps

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type