EP 1227292 A3 20050928 - Device for reducing clogging of a shell-and-tube heat exchanger

Title (en)

Device for reducing clogging of a shell-and-tube heat exchanger

Title (de)

Vorrichtung zur Verringerung von Verschmutzungen eines Röhrenwärmetauschers

Title (fr)

Dispositif reducteur d'encrassement d'un échangeur thermique tubulaire

Publication

EP 1227292 A3 20050928 (FR)

Application

EP 02290183 A 20020125

Priority

FR 0101218 A 20010130

Abstract (en)

[origin: EP1227292A2] A device for reducing fouling in the tubes of a tubular heat exchanger, incorporates a turbulence generator element lodged in one of the tubes and is made from a metal alloy with a nickel content greater than 50 % by wt. and incorporating at least one metal chosen from the group made up of chromium and molybdenum to improve its corrosion resistance when in contact with a hydrocarbon.

IPC 1-7

F28F 13/12; F28G 1/06; F28F 19/00; F28F 21/08

IPC 8 full level

F28F 13/12 (2006.01); F28F 21/08 (2006.01); F28G 1/06 (2006.01)

CPC (source: EP US)

C22C 19/055 (2013.01 - EP US); F28F 13/125 (2013.01 - EP US); F28F 19/00 (2013.01 - EP US); F28F 21/087 (2013.01 - EP US); F28G 1/06 (2013.01 - EP US); F28D 2021/0059 (2013.01 - EP US)

Citation (search report)

[DY] EP 0174254 A1 19860312 - RAFFINAGE CIE FRANCAISE [FR]
[YA] GB 481105 A 19380228 - HARRY E LABOUR
[A] GB 1210607 A 19701028 - INT NICKEL LTD [GB]
[DY] FR 2479964 A1 19811009 - ELF FRANCE [FR]
[Y] US 3787202 A 19740122 - MUELLER C, et al
[A] DE 1069165 B
[A] US 2318206 A 19430504 - EISENLOHR GUSTAV W
[A] GB 1264006 A 19720216 - CARONDELET FOUNDRY CO [US]
[A] US 5217684 A 19930608 - IGARASHI MASAAKI [JP], et al
[A] EP 0226458 A2 19870624 - INCO ALLOYS INT [US]
[A] EP 0066361 A2 19821208 - HUNTINGTON ALLOYS [US]
[A] US 6010581 A 20000104 - ROSEN JONAS [SE], et al
[A] CH 493640 A 19700715 - INT NICKEL LTD [GB]
[A] US 5556594 A 19960917 - FRANK RICHARD B [US], et al
[A] PATENT ABSTRACTS OF JAPAN vol. 015, no. 117 (M - 1095) 20 March 1991 (1991-03-20)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

DOCDB simple family (publication)

EP 1227292 A2 20020731; EP 1227292 A3 20050928; EP 1227292 B1 20150311; ES 2537292 T3 20150605; FR 2820197 A1 20020802; FR 2820197 B1 20060106; JP 2002243393 A 20020828; JP 3942903 B2 20070711; US 2002100580 A1 20020801; US 6782943 B2 20040831

DOCDB simple family (application)

EP 02290183 A 20020125; ES 02290183 T 20020125; FR 0101218 A 20010130; JP 2002021223 A 20020130; US 5810202 A 20020129