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2 179 290

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IPC

(21) (22)

Application

2000128387/06, 2000-11-15

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Start date

2000-11-15

(22)

Actual filing date

2000-11-15

(45)

Published

2002-02-10

(72)

Inventor

Dorokhov D.A.Kuleshov A.A.Pankovets N.D.Sporykhin A.V.Chernichenko V.V.Ivanov V.A.Shevtsov A.P.

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Bjuro Khimavtomatiki"

HEAT-EXCHANGER Russian patent published in 2002 - IPC

Abstract RU 2179290 C1

FIELD: heat-exchanging equipment. SUBSTANCE: heat-exchanger has coolant and heat- carrier supply and discharge branch pipes, casing incorporating upper and lower bottoms and tube stack. Each bottom is composed of two plates defining closed cavity. Tubes of tube stack are rigidly joined with bottom plates through sleeves. Lower part of tube stack is fixed in lower movable bottom equipped with conical obturator. Channels in obturator body are communicating with space defined between lower bottom plates and via compensator with coolant supply branch pipe. Thickness of one of the two plates of each bottom contacting with heat-carrier is Spl=(0.26-0,5)dнтр

), where dнтр

is outer diameter of tube. Tube is provided with heat-exchanging fins. Tube body is made double-layer. Heat-exchanging fins are formed on internal layer. EFFECT: increased efficiency and enhanced reliability in operation. 3 cl, 4 dwg

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RU 2 179 290 C1

Authors

Dorokhov D.A.

Kuleshov A.A.

Pankovets N.D.

Sporykhin A.V.

Chernichenko V.V.

Ivanov V.A.

Shevtsov A.P.

Dates

2002-02-10—Published

2000-11-15—Filed