Internal-combustion engines – Igniters – Incandescent
Patent
1987-06-22
1988-06-07
Argenbright, Tony M.
Internal-combustion engines
Igniters
Incandescent
123169E, 313142, F02D 1900, H01T 1339
Patent
active
047489472
ABSTRACT:
An ignition system providing both spark ignition and a hot surface for surface ignition of a stratified fuel charge. The ignition system includes a novel hot surface spark plug designed to maximize heat retention in the center electrode and surrounding insulator for enabling surface ignition over a portion of the operating cycle of the engine. Ignition power is applied only when the center electrode temperature is below a threshold temperature. When the center electrode temperature is above a threshold temperature, ignition power is applied in inverse relation to the center electrode temperature.
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Anderson Richard W.
Cikanek Harry A.
LoRusso Julian A.
Abolins Peter
Argenbright Tony M.
Ford Motor Company
Lippa Allan J.
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