3638625

Information

• Patent Grant
• 3638625

• References
• Source

• Patent Number

  3,638,625

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • F02M31/083 - Temperature-responsive control of the amount of exhaust gas or combustion air directed to the heat exchange surface
  • Y02T10/126 - Treating fuel, air or air/fuel mixture

• US Classifications

  • 123 - Internal-combustion engines