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2 137 032

(13)

(51)

IPC

(21) (22)

Application

97104214/06, 1997-03-19

(22)

Actual filing date

1997-03-19

(45)

Published

1999-09-10

(72)

Inventor

Maslovskij G.V.Serkov A.G.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavod Ehnergeticheskogo Mashinostroenija"

HEATING SURFACE Russian patent published in 1999 - IPC

Abstract RU 2137032 C1

FIELD: steam boilers and power units. SUBSTANCE: heating surface includes parallel tubes of different length; each tube is provided with device for forming additional resistance which is made in form of turbulizing insert; tube of maximum length has shortest insert and shortest tube has longest insert. EFFECT: enhanced efficiency of heat exchange due to fitting longitudinally turbulizing inserts of different length in tubes because of distribution of flow rate of working medium in proportion with thermal load exerted on them. 2 cl, 2 dwg

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RU 2 137 032 C1

Authors

Maslovskij G.V.

Serkov A.G.

Dates

1999-09-10—Published

1997-03-19—Filed