US 12,283,711 B2
Venting unit and housing, in particular a battery housing
Robert Zbiral, Marbach (DE)
Assigned to MANN+HUMMEL GmbH, Ludwigsburg (DE)
Filed by MANN+HUMMEL GmbH, Ludwigsburg (DE)
Filed on Jul. 5, 2022, as Appl. No. 17/857,708.
Claims priority of application No. 10 2021 117 692.1 (DE), filed on Jul. 8, 2021.
Prior Publication US 2023/0012294 A1, Jan. 12, 2023
Int. Cl. H01M 50/342 (2021.01); H01M 50/204 (2021.01)
CPC H01M 50/3425 (2021.01) [H01M 50/204 (2021.01)] 21 Claims
OG exemplary drawing
 
1. A venting unit for a housing, the venting unit comprising:
a base body configured to be connected fluid-tightly to a rim of a housing opening of the housing, wherein the base body comprises an outer side and an inner side, and wherein the base body comprises a gas passage opening and a membrane closing the gas passage opening and spanned areally across the gas passage opening transversely to an axial direction of the base body;
an actor operatively connected to the base body and comprising an emergency venting spike extending in the axial direction toward the membrane, wherein the emergency venting spike comprises a tip or a cutting edge, wherein the tip or the cutting edge, in a state of rest of the actor, is arranged spaced apart at a predetermined distance from a membrane surface of the membrane, wherein the emergency venting spike is configured to move toward the membrane when the actor is actuated into an actuated state so that the tip or the cutting edge punctures or cuts through the membrane, and wherein the actor is arranged at the base body or is configured to be arranged at the housing;
a cover arranged at the outer side of the base body and covering the gas passage opening;
a fastening mechanism connecting the cover to the base body;
wherein the actor comprises an actuation element configured to release the fastening mechanism.