2491678

Information

• Patent Grant
• 2491678

• References
• Source

• Patent Number

  2,491,678

• Date Filed

  Not available

• Date Issued

  Tuesday, December 20, 1949
  74 years ago

• CPC

  • F01C21/108 - with an axial surface
  • F04C18/086 - Carter
  • F04C18/123 - with radially or approximately radially from the rotor body extending tooth-like elements, co-operating with recesses in the other rotor
  • Y10T29/46 - Burning in, wearing in, or oil burnishing
  • Y10T29/49329 - Centrifugal blower or fan

• US Classifications

  • 418 - Rotary expansible chamber devices
  • 029 - Metal working
  • 415 - Rotary kinetic fluid motors or pumps
  • 451 - Abrading