F - Mech Eng,Light,Heat,Weapons – 23 – M
Patent
F - Mech Eng,Light,Heat,Weapons
23
M
88/97, 340/155.1
F23M 11/04 (2006.01) F23N 5/08 (2006.01)
Patent
CA 1093181
ABSTRACT OF THE DISCLOSURE A flame detector device for use with boiler systems has been devised wherein a radiation sensitive means responds when energized by incident radiation of the selective frequency bandwidth to produce a signal indicative of the existence of a flame. A light pipe means includes a lens system for col- lecting incident radiation in a selected combustion zone of the flame and a flexible tube couples the radiation sensitive means and the lens system. A fiber optics bundle conveys the collected incident radiation from the lens system to the detec- tor and is of an extruded high purity unclad quartz material capable of transmitting the radiation without significant loss thereof.
279925
Forney Engineering Company
Meredith & Finlayson
LandOfFree
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