1947987

Information

• Patent Grant
• 1947987

• References
• Source

• Patent Number

  1,947,987

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1934
  90 years ago

• CPC

  • F01N13/06 - specially adapted for star-arrangement of cylinders
  • F01N1/08 - by reducing exhaust energy by throttling or whirling
  • F01N13/10 - of exhaust manifolds

• US Classifications

  • 181 - Acoustics