3799434

Information

• Patent Grant
• 3799434

• References
• Source

• Patent Number

  3,799,434

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 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

  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 285 - Pipe joints or couplings