3387566

Information

• Patent Grant
• 3387566

• References
• Source

• Patent Number

  3,387,566

• Date Filed

  Not available

• Date Issued

  Tuesday, June 11, 1968
  56 years ago

• CPC

  • F04B9/1253 - one side of the double-acting piston fluid motor being always under the influence of the fluid under pressure
  • F01B19/00 - Positive-displacement machines or engines of flexible-wall type
  • F01L25/063 - the auxiliary valve being actuated by the working motor-piston or piston-rod
  • F04B43/009 - leakage control; pump systems with two flexible members; between the actuating element and the pumped fluid
  • F04B43/073 - the actuating fluid being controlled by at least one valve
  • F04B43/113 - the actuating fluid being controlled by at least one valve

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices