3612213

Information

• Patent Grant
• 3612213

• References
• Source

• Patent Number

  3,612,213

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • G10K11/161 - in systems with fluid flow
  • F04B39/0038 - of inlet or outlet channels
  • F04B39/0055 - with a special shape of fluid passage
  • F04D29/4226 - Fan casings
  • F04D29/668 - damping or preventing mechanical vibrations

• US Classifications

  • 181 - Acoustics
  • 417 - Pumps