Global Patent Index - EP 4372304 A4

EP 4372304 A4 20240821 - HEAT EXCHANGE ELEMENT

Title (en)

HEAT EXCHANGE ELEMENT

Title (de)

WÄRMETAUSCHERELEMENT

Title (fr)

ÉLÉMENT D'ÉCHANGE DE CHALEUR

Publication

EP 4372304 A4 20240821 (EN)

Application

EP 21950054 A 20210712

Priority

JP 2021026095 W 20210712

Abstract (en)

[origin: EP4372304A1] A heat exchange element is a heat exchange element formed by stacking a plurality of heat transfer plates (1). The heat transfer plate (1) includes: a heat exchanger (5) that allows air passing through one side in a stacking direction of a plurality of the heat transfer plates (1) and air passing through another side in the stacking direction to pass through in directions facing to each other to cause heat exchange; a header (6a, 6b) provided on one side and another side with the heat exchanger (5) interposed therebetween when viewed along the stacking direction; and a joining edge (25 to 28) provided along a side of the heat exchanger (5) not in contact with the header (6a, 6b). Joining edges (25 to 28) of a plurality of the stacked heat transfer plates (1) are in contact with each other and joined by ultrasonic welding, and the joining edge (25 to 28) is formed with a first convex portion (16) that protrudes along the stacking direction and a concave portion (15) into which the first convex portion (16) of an adjacent heat transfer plate is fitted.

IPC 8 full level

F28F 3/08 (2006.01); F28D 9/00 (2006.01); F28F 9/02 (2006.01)

CPC (source: EP US)

F28D 9/0037 (2013.01 - EP US); F28F 3/042 (2013.01 - US); F28F 3/044 (2013.01 - EP); F28F 3/046 (2013.01 - EP); F28F 3/08 (2013.01 - US); F28F 9/0268 (2013.01 - EP); F28F 2275/065 (2013.01 - US); F28F 2280/04 (2013.01 - EP)

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

EP 4372304 A1 20240522; EP 4372304 A4 20240821; CA 3226203 A1 20230119; CN 117651841 A 20240305; JP WO2023286110 A1 20230119; US 2024240880 A1 20240718; WO 2023286110 A1 20230119

DOCDB simple family (application)

EP 21950054 A 20210712; CA 3226203 A 20210712; CN 202180100277 A 20210712; JP 2021026095 W 20210712; JP 2023534435 A 20210712; US 202118559975 A 20210712