Patent ID: 6068945
Filing Date: 2000-05-30
Classification: H01M,Y02E

Abstract:
A battery comprising a battery case, a cover (1), cells located in the case, at least one opening (2) for venting of the gasses occurring in the cells, a flashback protection housing (4) is inserted into said at least one opening (2),said flashback protection (4) comprising a housing part (7), a flashback protection frit (3) located in front of housing part (7),a baffle wall (12) located in front of the flashback protection frit (3),a fore-chamber part (5) located in front of the baffle wall (12), andthe fore-chamber part (5), baffle wall (12), and housing part (7) being connected together to form said flashback protection housing (4),wherein the battery additionally comprises an undercut (20) provided in the cover (1) for mounting of the flashback housing (4), with the undercut (20) being formed as a protection narrowing cross-section of the opening (2) such that the flashback protection housing (4) can be interlocked with the undercut (20) upon installation, such that removal of the flashback protection housing (4) is blocked or prevented.