Fire detection cleaning arrangement

Details Fire detection cleaning arrangement Fire detection cleaning arrangement

1981-12-07

1983-05-17

Davis, Jr., Albert W.

Heat exchange

Regenerator

Cleaning

165 11R, 250338, F28D 1900, F28G 1500

Patent

active

043835724

ABSTRACT:
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 alignment 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.

REFERENCES:
patent: 2983486 (1961-05-01), Rosenberg
patent: 4019567 (1977-04-01), Wixson et al.
patent: 4022270 (1977-05-01), Stockman
patent: 4040473 (1977-08-01), Wheeler

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