公开(公告)号：US09979001B2

公开(公告)日：2018-05-22

申请号：US14254799

申请日：2014-04-16

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： Hu Wan ,  Zhiwei Tong ,  Qing Lai ,  Jianhua Zhu

IPC: H01M2/12

CPC classification number: H01M2/1241 ,  H01M2/12 ,  H01M2/1205 ,  H01M2/1211 ,  H01M2/1217 ,  H01M2/1223 ,  H01M2/1229 ,  H01M2/1235

Abstract: A battery explosion-proof device battery explosion-proof device includes a valve body, a rupture plate, and a protecting cover. The valve body includes a base portion and a shaft portion connected with the base portion. The shaft portion may be formed with threads on an external circumferential surface thereof and with a venting passage. The rupture plate may be disposed inside a concaved portion of the base portion for sealing the venting passage. The protecting cover covers the concaved portion.