2498715

Information

• Patent Grant
• 2498715

• References
• Source

• Patent Number

  2,498,715

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1950
  74 years ago

• CPC

  • F04C11/00 - Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type Pumping installations
  • F04C2/045 - having a C-shaped piston
  • F04C27/00 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
  • F04C2/352 - the vanes being pivoted on the axis of the outer member

• US Classifications

  • 417 - Pumps
  • 418 - Rotary expansible chamber devices