3707881

Information

• Patent Grant
• 3707881

• References
• Source

• Patent Number

  3,707,881

• Date Filed

  Not available

• Date Issued

  Tuesday, January 2, 1973
  52 years ago

• CPC

  • F16K11/0716 - with flluid passages through the valve member
  • F01L15/08 - with cylindrical, sleeve, or part-annularly-shaped valves Such main valves combined with auxiliarly valves
  • F01L25/063 - the auxiliary valve being actuated by the working motor-piston or piston-rod
  • F04B9/113 - reciprocating movement of the pumping members being obtained by a double-acting liquid motor

• US Classifications

  • 091 - Motors: expansible chamber type