3810721

Information

• Patent Grant
• 3810721

• References
• Source

• Patent Number

  3,810,721

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • F01B13/068 - the connection of the pistons with an actuated or actuating element being at the inner ends of the cylinders
  • F01B13/02 - with one cylinder only
  • F01B13/06 - in star arrangement
  • F01C1/102 - with a crescent shaped filler element located between the intermeshing elements
  • F04B1/053 - with an actuating or actuated element at the inner ends of the cylinders
  • F04B1/10 - the cylinders being movable
  • F04C2/101 - with a crescent-shaped filler element, located between the inner and outer intermeshing members

• US Classifications

  • 417 - Pumps
  • 091 - Motors: expansible chamber type
  • 418 - Rotary expansible chamber devices