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2 216 005

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IPC

(21) (22)

Application

2002126808/06, 2002-10-09

(24)

Start date

2002-10-09

(22)

Actual filing date

2002-10-09

(45)

Published

2003-11-10

(72)

Inventor

Andreev A.V.Lebedev V.A.Marchukov E.Ju.Nikutov O.N.Poljakov B.S.Fadeev V.A.Chepkin V.M.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Ob"Edinenie

METHOD OF TESTING TURBOJET ENGINE WITH ROTATING PROPULSIVE-JET NOZZLE Russian patent published in 2003 - IPC

Abstract RU 2216005 C1

FIELD: mechanical engineering; turbojet engines; testing methods. SUBSTANCE: according to invention engine thrust axial component R_xo is measured with engine operating by means of three-component force measuring system with nozzle in neutral position, and then nozzle is deflected into extreme upper and then into extreme lower position and measurements are taken of three components of engine thrust, namely, axial, horizontal and vertical. Then relationship is calculated and, if result is within the interval of 0.999 and 1.005, nozzle is considered sound. EFFECT: provision of effective method of evaluation of quality of rotating nozzle.

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RU 2 216 005 C1

Authors

Andreev A.V.

Lebedev V.A.

Marchukov E.Ju.

Nikutov O.N.

Poljakov B.S.

Fadeev V.A.

Chepkin V.M.

Dates

2003-11-10—Published

2002-10-09—Filed