FOLDED MEMBRANE CARRIER FOR BATTERY CASE VENTING
Publication
EP4712242A1
Kind: A1
Mar 18, 2026
Applicants
MANN+HUMMEL GmbH
Inventors
PLOPPA, Martin, VOGT, Sabine
Abstract
A venting unit (34) for a battery case, the venting unit (34) comprising a housing part (36) delimiting a vent opening (38), and a membrane assembly (10; 10') spanning across the vent opening (38) and comprising a membrane carrier (12; 12') comprising carrier segments (14) and flow windows (16) respectively disposed through the carrier segments (14), and membrane segments (18) respectively covering the flow windows (16). Each adjacent pair of the carrier segments (14) is folded against one another along a film hinge (20) disposed therebetween.
IPC Classifications
H01M 50/325 20210101AFI20250120BHEP
Designated States
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, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR