WATER RESISTANT DIRECT SPARK IGNITER

A direct spark igniter for a fuel-fired heating appliance is provided with enhanced ignition performance in environments having substantial levels of both moisture and pollution. Such enhanced ignition performance is representatively achieved by the combination of (1) forming external annular ribs o...

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Bibliographische Detailangaben
Hauptverfasser:	TRANT, TROY, CHAUDHRY, RAHEEL A, SCOTT, TIMOTHY D, PUGH, RODNEY K
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CORONA DEVICES ELECTRICITY FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES HEATING LIGHTING MECHANICAL ENGINEERING OVERVOLTAGE ARRESTERS USING SPARK GAPS RANGES SPARK GAPS SPARKING PLUGS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	A direct spark igniter for a fuel-fired heating appliance is provided with enhanced ignition performance in environments having substantial levels of both moisture and pollution. Such enhanced ignition performance is representatively achieved by the combination of (1) forming external annular ribs on the ceramic body portion of the igniter; (2) extending a top end of the igniter electrode rod into the body portion; (3) bending the igniter electrode and ground rods and angling them toward one another; and (4) knurling external side surfaces on lower end portions of the igniter electrode and ground rods.