Electric lamp and discharge devices – Spark plugs – Non-conducting material in or adjacent gap
Patent
1991-08-05
1993-02-16
Yusko, Donald J.
Electric lamp and discharge devices
Spark plugs
Non-conducting material in or adjacent gap
313130, 313131R, 361253, H01T 1320, H01T 1302
Patent
active
051874040
ABSTRACT:
An improved low voltage igniter of the type having an annular spark gap between a center electrode and annular ground electrode which is arranged coaxial with the center electrode. The spark gap is shunted by an insulator surface. Semiconducting material is deposited on the insulator surface as one or more rings which are coaxial with and spaced from the electrodes. The semiconducting rings reduce the voltage required to initiate a spark across the spark gap.
REFERENCES:
patent: 2684665 (1954-07-01), Tognala
patent: 3108905 (1963-10-01), Comer
patent: 3558959 (1971-01-01), Ziemendorf
patent: 3883762 (1975-05-01), Harris et al.
patent: 4951173 (1990-08-01), Suzuki et al.
Blish Nelson A.
Cooper Industries Inc.
Patel Ashok
Patterson William Bruce
Thiele Alan R.
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