Battery system
AssigneeObrist Technologies GmbH
InventorsFrank Obrist, Oliver Obrist, Martin Graz
Life of this patent
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Abstract
A battery system, in particular for an aircraft, having a housing, which is sealed gas-tight, and a cell block, which is formed from a plurality of battery cells connected electrically and mechanically by contact plates. The housing can be connected to a vacuum pump in order to generate vacuum within the housing and a vacuum prevails within the housing, wherein at least one housing side wall of the housing is flexible enough that the housing side wall is tensioned together with the cell block by the vacuum acting within the housing. A vehicle, in particular an aircraft, may be electrified, at least in part, by such a battery system.
Claims11
A battery system comprising a closed gas-tight housing and a cell block formed from a plurality of battery cells electrically connected and mechanically fixed together by contact plates, wherein the housing is connectable to a vacuum pump for generating a negative pressure within the housing and a negative pressure prevails within said housing, and wherein at least one housing side wall of the housing is flexible enough that the housing side wall is braced to the cell block by the negative pressure prevailing in the housing,
- wherein the at least one housing side wall is formed from aluminum sheeting with a wall thickness of at most 2 mm,
- wherein, a pressure sensor is arranged within the housing for controlling the vacuum pump which is connected to a control unit adapted to emit a control signal when the measured value of the pressure sensor is outside of a predetermined safety range, and
- wherein, the vacuum pump is electrically connected to the cell block and is supplied with electrical energy by the battery cells.
Dependencies are inferred from the claim text.