Global Patent Index - EP 2028432 A1

EP 2028432 A1 2009-02-25 - Devices and method for enhanced heat transfer

Title (en)

Devices and method for enhanced heat transfer

Title (de)

Vorrichtungen und Verfahren für verbesserte Wärmeübertragung

Title (fr)

Dispositifs et procédé de transfert de chaleur amélioré

Publication

EP 2028432 A1 (EN)

Application

EP 07113887 A

Priority

EP 07113887 A

Abstract (en)

The present invention relates to devices and method for enhanced heat transfer, in particular to a heat exchanger comprising at least one hydrophilic heat exchanging surface to be thermally contacted with a cooling fluid, wherein said hydrophilic surface has a surface roughness inferior to 1 µm and wherein said hydrophilic surface comprises: at least one discrete area whereon are covalently grafted hydrophobic molecules for controlling onset boiling, or at least one discrete area whereon is coated a hydrophobic polymer for controlling onset boiling. The present invention also relates to a process for constructing a heat exchanger according to the invention.

IPC 8 full level (invention and additional information)

F28F 13/18 (2006.01); B05D 1/18 (2006.01); B05D 5/08 (2006.01); C08J 7/04 (2006.01); C08J 7/16 (2006.01); C23C 22/00 (2006.01)

CPC (invention and additional information)

F28F 13/182 (2013.01); B05D 1/185 (2013.01); B05D 5/04 (2013.01); B05D 5/08 (2013.01); F28F 2245/02 (2013.01); F28F 2245/04 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

EPO simple patent family

EP 2028432 A1 20090225

INPADOC legal status


2009-10-28 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20091001

2009-10-28 [AKX] PAYMENT OF DESIGNATION FEES

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-09-30 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20090819

2009-02-25 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

2009-02-25 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Countries: AL BA HR MK RS