Industrial truck with a battery and method for operating an industrial truck with a battery
First Claim
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1. An industrial truck, comprising:
- at least one drive battery; and
at least one apparatus for determining a state of charge of the battery, wherein the apparatus for determining the state of charge of the battery comprises means for determining a dynamic internal resistance and means for determining an internal cell voltage of the battery with the aid of the dynamic internal resistance.
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Abstract
The invention relates to an industrial truck with at least one drive battery and at least one apparatus (A) for determining the state of charge of the battery and to a method for operating such an industrial truck. The apparatus (A) for determining the state of charge of the battery includes a device (B) for determining the dynamic internal resistance and a device (C) for determining the internal cell voltage of the battery with the aid of the dynamic internal resistance.
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Citations
20 Claims
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1. An industrial truck, comprising:
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at least one drive battery; and
at least one apparatus for determining a state of charge of the battery, wherein the apparatus for determining the state of charge of the battery comprises means for determining a dynamic internal resistance and means for determining an internal cell voltage of the battery with the aid of the dynamic internal resistance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for operating an industrial truck, comprising:
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determining an internal cell voltage of a battery with the aid of a dynamic internal resistance of the battery, and determining a state of charge of the battery from the internal cell voltage of the battery. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification