The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 2021
Filed:
Nov. 14, 2016
Samsung Sdi Co., Ltd., Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A battery pack includes a housing accommodating a battery cell and having a throughhole; and a pressure equalization device coupled to the throughhole and equalizing internal and external pressures of the housing, wherein the pressure equalization device includes a first pressure equalization member configured to equalize the internal and external pressures of the housing when a variation in the internal pressure of the housing is smaller than a reference pressure variation; and a second pressure equalization member configured to equalize the internal and external pressures of the housing when the variation in the internal pressure of the housing is greater than the reference pressure variation.