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U.S. Department of Energy
Office of Scientific and Technical Information

Spark plug shield and boot seal assembly

Patent ·
OSTI ID:6327149
This patent describes an elastomer boot seal and metal heat shield separable from one another and providing an assembly for operatively connecting an ignition cable assembly to a stud terminal forming the upper part of a spark plug having a threaded lower part connected into a bore in an engine block and having a wrenching head facilitating installation and removal of the plug with respect to the bore, the improvement comprising a generally cylindrical block of elastomeric material to provide a boot seal for covering and protecting an electrical fitting removably connecting the ignition cable to the stud terminal.
Assignee:
General Motors Corp., Detroit, MI
Patent Number(s):
US 4671586
OSTI ID:
6327149
Country of Publication:
United States
Language:
English