EP 1445570 A3 20070124 - Corrugated insert for a heat exchanger tube
Title (en)
Corrugated insert for a heat exchanger tube
Title (de)
Gewellter Einsatz für ein Wärmetauscherrohr
Title (fr)
Insert ondulé pour tube d'échangeur de chaleur
Publication
Application
Priority
DE 10304692 A 20030206
Abstract (en)
[origin: EP1445570A2] The insert has corrugation apexes and corrugation troughs, with set wave height (3) and wave length (4). there may be breaks in the flanks. The one-piece insert is formed of sectors (A1, A2, A3) of small and great wave lengths. Each sector consists of several corrugations of the same length, the troughs being of greater length (7) than the apexes.
IPC 8 full level
F28F 3/02 (2006.01); B21D 13/02 (2006.01); B21D 53/04 (2006.01); F28D 9/00 (2006.01)
CPC (source: EP US)
B21D 13/02 (2013.01 - EP US); B21D 53/04 (2013.01 - EP US); F28D 9/005 (2013.01 - EP US); F28F 3/025 (2013.01 - EP US); F28F 2215/04 (2013.01 - EP US); Y10S 165/916 (2013.01 - EP US)
Citation (search report)
- [X] CH 416698 A 19660715 - HERMANN FRIEDRICH DR ING [DE]
- [X] US 5606341 A 19970225 - AGUILERA RAFAEL E [US]
- [XA] JP H07280484 A 19951027 - CALSONIC CORP
- [X] JP H09273883 A 19971021 - SHOWA ALUMINUM CORP
- [X] EP 1243884 A2 20020925 - DELPHI TECH INC [US]
- [X] JP S60238689 A 19851127 - MITSUBISHI ELECTRIC CORP
- [X] US 2344588 A 19440321 - BLAUVELT WARREN S
- [A] US 4022050 A 19770510 - DAVIS BILLY J, et al
- [A] DE 2109346 A1 19711014 - APV CO LTD
- [A] EP 1152204 A2 20011107 - MODINE MFG CO [US]
- [X] DE 2025722 A1 19710218
- [X] US 5937519 A 19990817 - STRAND JOEL J [US]
- [X] US 3430476 A 19690304 - DUDA WILLIAM J
- [A] CH 655257 A5 19860415 - ZSCHOKKE WARTMANN AG
- [A] DE 3923622 A1 19910131 - KAISER KG OTTO [DE]
- [E] WO 2004045785 A1 20040603 - BOEING CO [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated extension state (EPC)
AL LT LV MK
DOCDB simple family (publication)
EP 1445570 A2 20040811; EP 1445570 A3 20070124; EP 1445570 B1 20160427; DE 10304692 A1 20040819; US 2004177668 A1 20040916; US 7255159 B2 20070814
DOCDB simple family (application)
EP 04000378 A 20040110; DE 10304692 A 20030206; US 77206704 A 20040204