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2 102 673

(13)

(51)

IPC

(21) (22)

Application

96106922/06, 1996-04-09

(22)

Actual filing date

1996-04-09

(45)

Published

1998-01-20

(72)

Inventor

Sudarev A.V.Sudarev B.V.Sudarev V.B.Kondrat'Ev A.A.Kondrat'Ev V.V.Lazarev M.V.

(73)

Holder

Tovarishchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennoe Predprijatie

SHELL-AND-TUBE COIL HEAT EXCHANGER Russian patent published in 1998 - IPC

Abstract RU 2102673 C1

FIELD: heat engineering; high-temperature heating of high-pressure viscous liquids. SUBSTANCE: heat exchanger is provided with expulsor with single-start and multi-start coils wound on it; outer surfaces of coil tubes on side directed to shell and outer surface of shell are provided with semi-spherical dimples forming smoothly outlined projections on their inner walls. EFFECT: enhanced efficiency. 4 cl, 8 dwg

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RU 2 102 673 C1

Authors

Sudarev A.V.

Sudarev B.V.

Sudarev V.B.

Kondrat'Ev A.A.

Kondrat'Ev V.V.

Lazarev M.V.

Dates

1998-01-20—Published

1996-04-09—Filed