Patent ID: 11965652
Assignee: VALMET AB
Field: Measurement (Instruments)
Classification: CPC F  D  G | IPC D  F  G

Claim 14:
15. A mounting system in combination with a ductwork, wherein the mounting system is for a laser detection sensor in the ductwork for the detection of unburnt fuel, the mounting system comprising:
a laser transmitter mount configured to provide adjustment of a laser transmitter;
a laser receiver mount configured to provide adjustment of a laser receiver;
a laser path extending between the laser transmitter and the laser receiver, wherein the laser path includes an entrance port in the ductwork and an exit port in the ductwork; and, a flexible joint in the mounting system, wherein the flexible joint is configured to isolate at least one of the laser transmitter and the laser receiver from movement of the ductwork;
wherein the walls of the ductwork are made of a stainless steel alloy or carbon steel alloy, wherein a thermal expansion coefficient of the ductwork walls ranges from about 5.5×10−6 inch/inch-F to about 9.6×10−6 inch/inch-F.