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2 030 334

(13)

C1

(51)

IPC

(21) (22)

Application

5019721/23, 1991-07-09

(22)

Actual filing date

1991-07-09

(45)

Published

1995-03-10

(72)

Inventor

Redin Ju.G.

(73)

Holder

Ulan-Udehnskoe Aviatsionnoe Proizvodstvennoe Ob"Edinenie

AUXILIARY FUEL TANK Russian patent published in 1995 - IPC

Abstract RU 2030334 C1

FIELD: aircraft engineering. SUBSTANCE: parts of the tank are butt interconnected through bolts. Butt rings are interposed between frames. Steel spacers are positioned under heads of bolts and nuts at the top and bottom sectors. The butt rings have chamferings inclined at 60 deg on both edges over the outer diameter. The angle of 60 deg is chosen to exclude contact of the ring edge with the bent radius of the shelf frame. The spacers for heads of bolts and nuts are arranged in 90 deg sectors which are mostly loaded. EFFECT: increased longevity and enhanced reliability. 3 dwg

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RU 2 030 334 C1

Authors

Redin Ju.G.

Dates

1995-03-10—Published

1991-07-09—Filed

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