Global Patent Index - EP 3521746 A1

EP 3521746 A1 20190807 - A FLAT TUBE FOR A HEAT EXCHANGER

Title (en)

A FLAT TUBE FOR A HEAT EXCHANGER

Title (de)

FLACHROHR FÜR WÄRMETAUSCHER

Title (fr)

TUBE PLAT POUR ÉCHANGEUR DE CHALEUR

Publication

EP 3521746 A1 20190807 (EN)

Application

EP 18461516 A 20180206

Priority

EP 18461516 A 20180206

Abstract (en)

A flat tube for a heat exchanger, formed by a sheet material and defined by a bottom wall 11, a top wall 12 and two side walls 13, wherein at least one of the side walls 13 comprises a first layer 13a and a second layer 13b of the sheet material, wherein the first layer 13a has an curved portion 14 forming a conduit 15 together with the second layer 13b.

IPC 8 full level

F28F 1/40 (2006.01); F28D 1/03 (2006.01); F28F 1/00 (2006.01); F28F 1/02 (2006.01)

CPC (source: CN EP)

F28D 1/0391 (2013.01 - EP); F28F 1/003 (2013.01 - EP); F28F 1/02 (2013.01 - CN EP); F28F 1/40 (2013.01 - CN EP); F28F 3/025 (2013.01 - EP); F28F 3/06 (2013.01 - EP); F28F 2225/04 (2013.01 - EP); F28F 2275/06 (2013.01 - CN)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3521746 A1 20190807; EP 3521746 B1 20230419; CN 110118504 A 20190813; CN 110118504 B 20230428

DOCDB simple family (application)

EP 18461516 A 20180206; CN 201910106696 A 20190202