Patent ID: 9020765
Filing Date: 2015-04-28
Classification: F23N

Abstract:
1. A system for safe operation of at least one mass flow sensor, the system comprising: a combustion device having at least one mass flow sensor; a gas supply to the combustion device, an air supply to the combustion device, the combustion device including a fan, an electric motor driving the fan, a burner, and a communication micro processor, wherein a digital interface is provided for the safety communications with an automated firing device, wherein the safety communications include transmission of safety-relevant signals, wherein the at least one mass flow sensor includes at least one mass flow micro processor, the communication micro processor performs a safety communication with the at least one mass flow micro processor of the at least one mass flow sensor, and the safety communication includes communicating safety-relevant interrogations of the at least one mass flow sensor with the at least one mass flow micro processor in order to secure safe operation of the at least one mass flow sensor, and the safety-relevant interrogations check an operation of the at least one mass flow sensor.