3398693

Information

• Patent Grant
• 3398693

• References
• Source

• Patent Number

  3,398,693

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1968
  57 years ago

• CPC

  • F04B9/1178 - the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
  • F01L23/00 - Valves controlled by impact by piston
  • F03C1/22 - with movable cylinders or cylinder
  • F04B7/0026 - and having an oscillating movement
  • F04B15/02 - the fluids being viscous or non-homogeneous
  • F04B15/023 - supply of fluid to the pump by gravity through a hopper
  • F04B53/14 - Pistons, piston-rods or piston-rod connections
  • Y10S417/90 - Slurry pumps
  • Y10T137/86839 - Four port reversing valves

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 280 - Land vehicles