3744716

Information

• Patent Grant
• 3744716

• References
• Source

• Patent Number

  3,744,716

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • B60H1/00442 - using a vacuum
  • B60H1/00485 - Valves for air-conditioning devices
  • F02M31/06 - by hot gases
  • F24F11/053 - by means responsive to temperature
  • Y02T10/126 - Treating fuel, air or air/fuel mixture

• US Classifications

  • 236 - Automatic temperature and humidity regulation
  • 123 - Internal-combustion engines