Patent ID: 11953203
Assignee: THERMO FISHER SCIENTIFIC (BREMEN) GMBH
Field: Measurement (Instruments)
Classification: CPC F  G | IPC F  G

Claim 0:
1. A gas supply system for a flame module of a spectrometer comprising:
a oxidant gas supply line for providing a supply of oxidant gas;
an oxidant gas flow valve for varying a gas flow rate of an oxidant gas in the oxidant gas supply line;
an oxidant gas safety controller configured to control the oxidant gas flow valve comprising:
a first switch; and
an energy storage circuit;

a fuel gas supply line for providing a supply of fuel gas;
a fuel gas flow valve configured to control a gas flow rate of a fuel gas on the fuel gas supply line; and
a fuel gas safety controller configured to control the fuel gas flow valve, wherein
during normal operation, the oxidant gas safety controller is configured to charge the energy storage circuit; and
in the event of a power failure, the first switch of the oxidant gas safety controller is configured to connect the energy storage circuit to the oxidant gas flow valve, wherein the energy storage circuit is configured to discharge energy to the oxidant gas flow valve to increase the oxidant gas flow rate in order to extinguish a flame of the flame module, and the fuel gas safety controller is configured to close the fuel gas flow valve.