3647325

Information

• Patent Grant
• 3647325

• References
• Source

• Patent Number

  3,647,325

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  53 years ago

• CPC

  • F01L25/08 - by electric or magnetic means
  • F04B7/0241 - and having an oscillating movement
  • F04B7/0283 - and having a rotating movement
  • F04B9/1178 - the movement in the other direction being obtained by a hydraulic connection between the liquid motor cylinders
  • F04B15/023 - supply of fluid to the pump by gravity through a hopper
  • F04B53/14 - Pistons, piston-rods or piston-rod connections
  • F04B53/164 - Stoffing boxes
  • F16J15/164 - the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
  • F16J15/3204 - with at least one lip

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices