Improvements relating to spark igniters

Improvements relating to spark igniters

A spark igniter for a gas-fired appliance, such as a boiler, comprises a pair of electrodes (11, 12) and a circuit (2), under the control of a microprocessor (3), that can generate, during each ignition process, successive bursts of sparks between the electrodes (11, 12), the duration, e.g. about 20...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: FAULKNER, BARRY PETER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
COMBUSTION APPARATUS
COMBUSTION PROCESSES
EXTINGUISHING-DEVICES
HEATING
IGNITION
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:A spark igniter for a gas-fired appliance, such as a boiler, comprises a pair of electrodes (11, 12) and a circuit (2), under the control of a microprocessor (3), that can generate, during each ignition process, successive bursts of sparks between the electrodes (11, 12), the duration, e.g. about 200 ms, of each burst of sparks being significantly less than the time period, e.g. about 1 second, that elapses before the next burst of sparks is generated. Generation of ignition sparks in such a way enables the igniter to comply with EU electromagnetic compatibility requirements (Fig 1).