IGNITION DEVICE FOR GAS TURBINE ENGINE

PROBLEM TO BE SOLVED: To hold the surface temperature of a glow plug constant corresponding a electric discharge characteristic of a battery by computing the voltage drop of the battery at the load time, and correcting current carrying time to the glow plug according to the computed voltage drop. SO...

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Bibliographische Detailangaben
Hauptverfasser:	NOMURA YOSHIMASA, IGAWA KIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	AIR INTAKES FOR JET-PROPULSION PLANTS BLASTING COMBUSTION APPARATUS COMBUSTION ENGINES COMBUSTION PROCESSES CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS GAS-TURBINE PLANTS GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGHVELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MECHANICAL ENGINEERING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To hold the surface temperature of a glow plug constant corresponding a electric discharge characteristic of a battery by computing the voltage drop of the battery at the load time, and correcting current carrying time to the glow plug according to the computed voltage drop. SOLUTION: A controller 4 outputs a specified on-duty signal to a plug current carrying means 6 at the time of starting a gas turbine engine 1 so as to preheat a glow plug 2 until its surface reaches the specified ignition temperature. After completion of preheating, the controller 4 performs control of reducing on-duty to keep the surface temperature of the glow plug 2 constant. At this time, the controller 4 detects the voltage of a battery 3 in order to prevent the surface temperature of the glow plug from failing to reach the specified ignition temperature and to prevent overheating of the glow plug 2, and computes voltage drop of the battery 3 at the time of detected load. Current carrying time to the glow plug 2 is corrected according to the computed voltage drop.