3769879

Information

• Patent Grant
• 3769879

• References
• Source

• Patent Number

  3,769,879

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1973
  51 years ago

• CPC

  • F04B53/142 - Intermediate liquid-piston between a driving piston and a driven piston
  • F04B39/044 - sealing with a rolling diaphragm between piston and cylinder
  • F04B43/009 - leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
  • F04B43/067 - the fluid being actuated directly by a piston

• US Classifications

  • 092 - Expansible chamber devices
  • 060 - Power plants
  • 417 - Pumps