2750930

Information

• Patent Grant
• 2750930

• References
• Source

• Patent Number

  2,750,930

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1956
  69 years ago

• CPC

  • F04B9/105 - reciprocating movement of the pumping member being obtained by a double-acting liquid motor
  • F01L23/00 - Valves controlled by impact by piston
  • F01L31/02 - with tripping-gear Tripping of valves
  • F04B5/00 - Machines or pumps with differential surface pistons
  • F04B53/122 - the piston being free-floating
  • Y10T137/87241 - Biased closed

• US Classifications

  • 137 - Fluid handling
  • 091 - Motors: expansible chamber type