THE PERFORMANCE OF A MULTIGAP SPARK PLUG DESIGNED FOR AUTOMOTIVE APPLICATIONS

The electrical principle of operation, the geometrical and electrical circuit constraints on the design of, and the electrical and in- engine performance of a multi-gap spark plug developed for automotive applications are described. The measurements evaluating the in-engine performance of these plugs further indicate that improvements of up to 6% in fuel economy for a simulated CVS test run, the extension of the lean misfire limit by several A/F ratio numbers under various engine operating conditions, and improvements in driveability can be achieved compared to the performance of standard plugs under the same operating conditions. /GMRL/

• Corporate Authors:

  Society of Automotive Engineers (SAE)

  400 Commonwealth Drive
  Warrendale, PA  United States  15096
• Authors:
  • Rado, W G
  • Amey, J E
• Publication Date: 1976-2

Media Info

• Pagination: 11 p.

Subject/Index Terms

• TRT Terms: Energy; Engines; Evaluation; Exhaust gases; Fuel consumption; Spark plugs; Vehicle power plants
• Old TRIS Terms: Automobile engines
• Subject Areas: Energy; Geotechnology; Highways; Materials; Safety and Human Factors; Vehicles and Equipment;

Filing Info

• Accession Number: 00145280
• Record Type: Publication
• Report/Paper Numbers: SAE 760264
• Files: TRIS
• Created Date: May 31 1977 12:00AM