Shock absorbent electric vehicle and batteries

Motor vehicles – Power – Battery mountings and holders

Patent

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Details

B60L 1118

Patent

active

041740149

ABSTRACT:
Storage batteries and/or aggregates thereof are constructed to provide a high impact absorbency, so that their mass will serve a dual function: storing electricity and absorbing collision impacts.
The collision protection for humans also involves two separate functions: impact absorption and gradual deceleration. The former is achieved by adding highly shock absorbent closed cell foamed metal plates to the battery aggregate, the second by spacing these in such a way that the impact absorption occurs gradually, so that the deceleration at no point exceeds that of 7 times gravity acceleration. To this end the battery aggregate is designed so that the shock energy absorption occurs in many centers or zones of the battery aggregate, thus providing a safe deceleration curve over a distance equal to the distance from leading side to trailing side of the battery aggregates as installed. The liquid electrolyte in the battery cells will contribute to the smooth action, as it is released in case of crushing impact, and then provides hydrostatic uniform pressure on some of the energy absorbing plates during the critical milliseconds, thereby favoring gradual compression as distinct from rupture.
The shock absorbent closed cell metal may be used in electrodes or grids of some or all of the cells, or it may be employed as foamed auxiliary plates or inserts without electrogalvanic functions. The invention also contemplates electrically powered vehicles in which the weight of the electric storage aggregates are designed to maximally increase collision protection by specific design criteria.

REFERENCES:
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patent: 1578302 (1926-03-01), Walter
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patent: 3497027 (1970-02-01), Wild
patent: 3531327 (1970-09-01), Moos
patent: 3692585 (1972-09-01), Mayo
patent: 3846178 (1974-11-01), Eijen et al.
patent: 3897221 (1975-07-01), Salyer et al.

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