1821047

Information

• Patent Grant
• 1821047

• References
• Source

• Patent Number

  1,821,047

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1931
  93 years ago

• CPC

  • F02M31/0805 - Pneumatic control of the amount of exhaust gas or combustion air directed to the heat exchange surfaces
  • Y02T10/126 - Treating fuel, air or air/fuel mixture

• US Classifications

  • 123 - Internal-combustion engines