About 2 results
https://drivepatents.com/patents/1000417 · 18 Jul 2012
The object is to provide a simplified but highly efficient method for operating a fuel cell system, permitting to perform the flame off detection and so on without supplying the burner with additional raw fuel, even if a flame rod system flame detection me...
https://drivepatents.com/patents/1083988 · 15 Sep 2004
The object is to provide a simplified but highly efficient fuel cell system, permitting to perform the flame off detection and so on without supplying the burner with additional raw fuel, even if a flame rod system flame detection means is adopted as burne...