F - Mech Eng,Light,Heat,Weapons – 28 – D
Patent
F - Mech Eng,Light,Heat,Weapons
28
D
141/19
F28D 19/00 (2006.01) F28F 27/00 (2006.01)
Patent
CA 1186197
ABSTRACT OF THE DISCLOSURE An infrared ray sensing device for the rotor of a rotary rengenerative heat exchanger that includes a sensor 34 having a viewing lens 38 at the end of a moving support arm 36. The sensor is adapted to view the infrared ray emission from the rotor. As the arm moves along a path adjacent the rotor it comes into allignment with a fixed nozzle 44 that ejects a blast of cleaning fluid over the entire surface of the lens to remove dust deposits therefrom and thus maintain the lens in a clean condition.
407627
Air Preheater Company Inc. (the)
Smart & Biggar
LandOfFree
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