METHOD OF BATCH PRODUCTION OF GAS-TURBINE ENGINE, AND GAS-TURBINE ENGINE MADE BY MEANS OF THIS METHOD Russian patent published in 2015 - IPC F02C6/00 G01M15/14 

Abstract RU 2551915 C1

FIELD: engines and pumps.

SUBSTANCE: invention relates to aircraft engine building, namely to aircraft gas-turbine engines. A batch production method of gas-turbine engines (GTE) involves manufacture of parts and completing of assembly units, components and assemblies of modules and systems of the engine. Modules are assembled in the amount of at least eight - from a low-pressure compressor to an all-mode turning jet nozzle. The engine is assembled module-by-module and made as two-stroke and two-shaft. After assembly is completed, engine tests are performed as per a multi-cycle programme. When performing the test steps, alteration of the modes, which exceed as to duration the programmed flight time, is performed. Typical flight cycles are shaped, on the basis of which there determined as per the programme is damageability of the most loaded parts. The required number of loading cycles during the test is determined based on the above. Full scope of tests is formed, including a quick change of cycles in the complete register from quick selection of maximum or full forced power mode till complete stop of the engine, and then, representative cycle of continuous operation with multiple alteration of modes in the whole working spectrum with various span of range of the mode change, which exceeds the flight time at least by 5 times. Quick selection of maximum or forced power mode in some part of the test cycle is performed at the rate of acceleration and discharge.

EFFECT: improvement of reliability of test results at a batch production stage and enlargement of representativeness of evaluation of service life and reliability of operation of a gas-turbine engine in a wide range of regional and seasonal conditions of further flight operation of engines.

13 cl, 2 dwg

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RU 2 551 915 C1

Authors

Artjukhov Aleksandr Viktorovich

Erichev Dmitrij Jur'Evich

Kirjukhin Vladimir Valentinovich

Kondrashov Igor' Aleksandrovich

Kuprik Viktor Viktorovich

Manapov Irik Usmanovich

Marchukov Evgenij Juvenal'Evich

Movmyga Dmitrij Alekseevich

Simonov Sergej Anatol'Evich

Selivanov Nikolaj Pavlovich

Shabaev Jurij Gennad'Evich

Dates

2015-06-10Published

2013-11-07Filed