3641881

Information

• Patent Grant
• 3641881

• References
• Source

• Patent Number

  3,641,881

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • F04B9/1176 - the movement of each piston in one direction being obtained by a single-acting piston liquid motor
  • B01D61/06 - Energy recovery
  • F01B3/0035 - having two or more sets of cylinders or pistons
  • F01B3/0055 - Valve means
  • F01B13/062 - cylinder block and actuating or actuated cam both rotating
  • F03C1/2407 - having cylinders in star or fan arrangement, the connection of the pistons with an actuated element being at the outer ends of the cylinders

• US Classifications

  • 091 - Motors: expansible chamber type
  • 417 - Pumps