Title (en)

SPRING ELEMENT, CLAMPING DEVICE FOR AN ELECTROCHEMICAL STACK, AND ASSEMBLY FORMED BY THE CLAMPING DEVICE AND THE ELECTROCHEMICAL STACK

Title (de)

FEDERELEMENT, SPANNVORRICHTUNG FÜR EINEN ELEKTROCHEMISCHEN STAPEL UND ANORDNUNG AUS DER SPANNVORRICHTUNG UND DEM ELEKTROCHEMISCHEN STAPEL

Title (fr)

ELEMENT RESSORT, DISPOSITIF DE SERRAGE POUR UN EMPILEMENT ELECTROCHIMIQUE, ET ASSEMBLAGE FORME PAR LE DISPOSITIF DE SERRAGE ET L'EMPILEMENT ELECTROCHIMIQUE

Publication

EP 4244919 A1 20230920 (FR)

Application

EP 21815246 A 20211105

Priority

• FR 2011712 A 20201116
• FR 2021051960 W 20211105

Abstract (en)

[origin: WO2022101568A1] The invention relates to a clamping device for an electrochemical stack, comprising two clamping plates and a spring element (500) provided with two bellows termed, respectively, inner bellows (501) and outer bellows (502), which are mounted coaxially about an axis of revolution XX', and between which is formed an annular space forming a fluid circuit (510).

IPC 8 full level

H01M 8/04007 (2016.01); C25B 9/00 (2021.01); F16F 1/02 (2006.01); H01M 8/124 (2016.01); H01M 8/248 (2016.01)

CPC (source: EP)

C25B 1/042 (2021.01); C25B 9/63 (2021.01); C25B 9/75 (2021.01); C25B 9/77 (2021.01); F16F 1/021 (2013.01); F16F 1/025 (2013.01); H01M 8/04007 (2013.01); H01M 8/248 (2013.01); F16F 2222/025 (2013.01); F16F 2224/0208 (2013.01); H01M 2008/1293 (2013.01); Y02E 60/36 (2013.01); Y02E 60/50 (2013.01)

Citation (search report)

See references of WO 2022101568A1

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)

WO 2022101568 A1 20220519; EP 4244919 A1 20230920; FR 3116388 A1 20220520; FR 3116388 B1 20230428

DOCDB simple family (application)

FR 2021051960 W 20211105; EP 21815246 A 20211105; FR 2011712 A 20201116