3810719

Information

• Patent Grant
• 3810719

• References
• Source

• Patent Number

  3,810,719

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • F04B49/12 - by varying the length of stroke of the working members
  • F01L25/08 - by electric or magnetic means
  • F04B9/1115 - the movement of the pumping pistons in only one direction being obtained by a single-acting piston liquid motor
  • G01F11/021 - of the piston type

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices