An event detector and associated methods of protecting systems provide convenient and economical safety features. In a described embodiment, an ignition sequence detector for a boiler system has a microprocessor which is programmed so that an ignition control module of the boiler system is deprived of...http://www.google.fr/patents/US6507761?utm_source=gb-gplus-shareBrevet US6507761 - Boiler system ignition sequence detector and associated methods of protecting boiler systems
Boiler system ignition sequence detector and associated methods of ...