Electric lamp and discharge devices – Spark plugs – Particular electrode structure or spacing
Patent
1994-10-05
1996-02-20
Yusko, Donald J.
Electric lamp and discharge devices
Spark plugs
Particular electrode structure or spacing
313118, 313139, 123169EL, H01T 1339
Patent
active
054931711
ABSTRACT:
A spark plug for use in an internal combustion engine comprises an electrically nonconductive body member and a pair of electrodes formed of a material each having titanium diboride as its major component. Tests indicate that titanium diboride electrodes are extremely resistant to electrical erosion. The spark plugs embodying the present invention are particularly useful in continuous cycle or heavy duty cycle engines that have heretofore been the subject of severe electrode erosion.
REFERENCES:
patent: 3673452 (1972-06-01), Brennen
patent: 4400643 (1983-08-01), Nishio et al.
patent: 4427915 (1984-01-01), Nishio et al.
patent: 4514657 (1985-04-01), Igashira et al.
patent: 4742265 (1988-05-01), Gianchino et al.
patent: 4743793 (1988-05-01), Toya et al.
Blanchard Cheryl R.
Cole James J.
Lankford, Jr. James
McAlwee Gerald S.
Wood, III Charles D.
McFall Robert A.
Patel Nimesh D.
Southwest Research Institute
Yusko Donald J.
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