Cover assembly for maintenance-free lead-acid batteries

Details Cover assembly for maintenance-free lead-acid batteries Cover assembly for maintenance-free lead-acid batteries

1993-07-02

1994-01-11

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429177, 429187, H01M 202

Patent

active

052780031

ABSTRACT:
A cover assembly for a maintenance-free lead-acid battery consists of various fitted sections. A primary cover is secured to a battery and provides for gases to escape from the battery as well as electrolyte to flow to the battery. A gas condensation chamber is secured to the primary cover and contains escaped gas received from the battery. A handle is fitted into the primary cover and is inserted through a secondary cover which is fitted over the primary cover, the gas condensation chamber and the handle. Two synthetic or ceramic microporous disks are fitted into the gas condensation chamber in order to avoid flame or spark penetration into the battery. The battery is opened by cutting into a U-slot provided on the secondary cover for access to the cells of the battery. A lever provided on the secondary cover allows the handle to lift through the secondary cover when the lever is depressed.

REFERENCES:
patent: 3647556 (1972-03-01), Cox
patent: 4444853 (1984-04-01), Halsall et al.
patent: 4693949 (1987-09-01), Kellett et al.

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