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2 008 643

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IPC

(21) (22)

Application

4952477/06, 1991-06-28

(22)

Actual filing date

1991-06-28

(45)

Published

1994-02-28

(72)

Inventor

Gabriel' O.D.Khudjakov V.N.Petropavlov A.A.Shirin I.A.Ushkov N.P.

(73)

Holder

Nauchno-Proizvodstvennoe Ob"Edinenie Ehnergeticheskogo Mashinostroenija Im.Akad.V.L.Glushko

TEST FACILITY FOR POWER UNITS Russian patent published in 1994 - IPC

Abstract RU 2008643 C1

FIELD: mechanical engineering. SUBSTANCE: for testing power unit 2 whose capacity is lower main capacity additional tunnel is provided for gas tunnel 3; additional tunnel is built up of separate parts: converging tube 5, cylindrical part 6, and diffuser 7. Each separate section is provided with self-contained cooling system. Additional tunnel is secured in position by means of diaphragm 11 and mounted on movable supports 12. During tests of power unit additional tunnel and power unit assembly functions as ejector and creates vacuum in high-pressure chamber 1. EFFECT: additional tunnel reduces gas speed to subsonic value and recovers static pressure. 3 cl, 3 dwg

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RU 2 008 643 C1

Authors

Gabriel' O.D.

Khudjakov V.N.

Petropavlov A.A.

Shirin I.A.

Ushkov N.P.

Dates

1994-02-28—Published

1991-06-28—Filed