OPTICAL PYROMETRIC TRANSDUCER OBJECTIVE-LENS AND ITS PROTECTION AGAINST SOOT AND OVERHEATING Russian patent published in 2015 - IPC G01J5/00

Abstract SU 1841077 A1

FIELD: instrumentation.

SUBSTANCE: objective-lens comprises optical window composed of objective-lens sealed in barrel and blown by air from high-pressure compressor stages and coupled by flange to turbine with radiator. Inlet optical window is arranged flush with barrel edges. Deflector is arranged coaxially at said barrel to make a circular gap along inlet optical window outer surface and provided with flange and perforations made in circle. Radiator is located in sealed well to separate it.

EFFECT: higher reliability.

4 cl, 3 dwg

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SU 1 841 077 A1

Authors

Marfin Jurij Nikolaevich

Garejshin Zinnur Gabdenurovich

Dates

2015-05-27—Published

1982-07-13—Filed