Selectively extracting infrared radiation from bioler interior t

Details Selectively extracting infrared radiation from bioler interior t Selectively extracting infrared radiation from bioler interior t

1994-01-03

1995-10-31

Gutierrez, Diego F. F.

Thermal measuring and testing

Temperature measurement

In spaced noncontact relationship to specimen

122 6A, 122504, 374131, 374141, G01J 508, G01K 114, F22B 3742

Patent

active

054623588

ABSTRACT:
Surface temperature measurements of the tubes of operating power boilers are facilitated by using ganged and preferably scannable hollow-core sapphire probes to capture infrared radiation emanating from discrete tube surface areas. By selectively overlapping the tube surface areas scanned, the greater diameter of the scanning beam in relation to the tube diameter is compensated for and individual tubes can be assessed for surface temperature. Multiplexing the outputs of many probes to a remote signal processor which also controls the scanning regimens provides systematic automated temperature readings.

REFERENCES:
patent: 4539588 (1985-09-01), Ariessohn et al.
patent: 4566808 (1986-01-01), Pompei et al.
patent: 4666245 (1987-05-01), Pointer
patent: 4998826 (1991-03-01), Wood et al.
patent: 5164999 (1992-11-01), Shifflett
patent: 5232285 (1993-08-01), Mannik
patent: 5355845 (1994-10-01), Burgess et al.

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