3891352

Information

• Patent Grant
• 3891352

• References
• Source

• Patent Number

  3,891,352

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1975
  49 years ago

• CPC

  • F04B53/141 - Intermediate liquid piston between the driving piston and the pumped liquid
  • F01L25/08 - by electric or magnetic means
  • F04B9/113 - reciprocating movement of the pumping members being obtained by a double-acting liquid motor
  • F04B9/1172 - the movement of each pump piston in the two directions being obtained by a double-acting piston liquid motor
  • F04F1/02 - using both positively and negatively pressurised fluid medium
  • Y10S417/90 - Slurry pumps

• US Classifications

  • 417 - Pumps