Geometrical instruments
Patent
1983-10-25
1985-02-05
Desmond, Eugene F.
Geometrical instruments
339136C, 339143C, H01R 13533, H01R 13658
Patent
active
044975325
ABSTRACT:
A heat shielded, spark plug boot assembly comprises an elastomeric boot and an electrically grounded heat shield. The heat shield has a thin inner dielectric barrier which is configured to protect against electrical discharges through the thinner vulnerable portions of the elastomeric boot and to be bypassed by corona conduction from the elastomeric boot to the metal shell of the heat shield. The elastomeric boot is ribbed to provide air flow passages between the elastomeric boot and the heat shield.
REFERENCES:
patent: 2069046 (1937-01-01), Rabezzana
patent: 3128139 (1964-04-01), Estes
patent: 3178661 (1965-04-01), Kirchgessner
Bezusko Michael J.
Liska Daniel P.
McGee Joseph A.
Desmond Eugene F.
Fodale F. J.
General Motors Corporation
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