3559848

Information

• Patent Grant
• 3559848

• References
• Source

• Patent Number

  3,559,848

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • F04B9/1372 - the movement of each pump piston in the two directions is obtained by a double-acting piston fluid motor
  • F04B1/02 - having two cylinders
  • F04B9/1253 - one side of the double-acting piston fluid motor being always under the influence of the fluid under pressure
  • F04B23/02 - having reservoirs
  • F04B49/12 - by varying the length of stroke of the working members
  • F04B53/164 - Stoffing boxes
  • G01F11/04 - of the free-piston type
  • G05D11/001 - with discontinuous action
  • G05D11/006 - involving a first fluid acting on the feeding of a second fluid

• US Classifications

  • 222 - Dispensing