Global Patent Index - EP 1144934 B1

EP 1144934 B1 20050831 - Using a rigid, helical element in connection with a heat exchanger tube

Title (en)

Using a rigid, helical element in connection with a heat exchanger tube

Title (de)

Benutzung eines starren, schraubenförmigen Elements in Verbindung mit einem Wärmetauscherrohr

Title (fr)

Utilisation, en association avec un tube d'échangeur thermique, d'un élément rigide hélicoidal

Publication

EP 1144934 B1 20050831 (FR)

Application

EP 99961127 A 19991221

Priority

  • FR 9903226 W 19991221
  • FR 9816222 A 19981222

Abstract (en)

[origin: WO0037874A1] The invention concerns a tube (2) wherein the rigid helical element (5) projects outside the tube (2), at the intake thereof, to keep away from said intake materials (4) likely to clog the tube (2) intake, carried by the fluid designed to circulate in said tube (2).

IPC 1-7

F28F 19/01

IPC 8 full level

F28F 19/01 (2006.01)

CPC (source: EP)

F28F 19/01 (2013.01)

Citation (examination)

US 4124065 A 19781107 - LEITNER GORDON F, et al

Designated contracting state (EPC)

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

DOCDB simple family (publication)

WO 0037874 A1 20000629; AT E303574 T1 20050915; AU 1784600 A 20000712; DE 69927053 D1 20051006; DE 69927053 T2 20060622; EP 1144934 A1 20011017; EP 1144934 B1 20050831; EP 1144934 B9 20060308; ES 2249051 T3 20060316; FR 2787564 A1 20000623; FR 2787564 B1 20010302

DOCDB simple family (application)

FR 9903226 W 19991221; AT 99961127 T 19991221; AU 1784600 A 19991221; DE 69927053 T 19991221; EP 99961127 A 19991221; ES 99961127 T 19991221; FR 9816222 A 19981222