METHOD TO ESTIMATE CLEANLINESS OF AIR FED INTO AIRCRAFT SEALED CABIN FROM GAS TURBINE ENGINE COMPRESSORS FOR CONTENT OF LUBRICATION OIL DECOMPOSITION PRODUCTS Russian patent published in 2013 - IPC G01N1/22 G01N1/00 G01N33/26 G01N30/04 

Abstract RU 2476852 C1

FIELD: engines and pumps.

SUBSTANCE: proposed method is based on application of simplified model of intake of admixtures into cabin which allows for only oil decomposition products in gas turbine engine. Major portion of air samples, 95-97%, required for identification and quantitative determination of oil decomposition products, is sampled on surface from device simulating oil decomposition conditions including air temperature and pressure at point of sampling from engine compressor, and oil stay time in hot zone.

EFFECT: decreased time of in-flight experiments and that of surface analysis of samples.

1 cl, 1 ex, 1 tbl, 1 dwg

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RU 2 476 852 C1

Authors

Mogil'Nikov Valerij Pavlovich

Ionov Aleksej Vladimirovich

Parusova Marina Georgievna

Frolkina Ljudmila Veniaminovna

Dates

2013-02-27Published

2012-02-13Filed