Drive system for a water vehicle, method for operating a drive system, and water vehicle having the drive system
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United States of America Patent
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Jan 16, 2018
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N/A
app pub date -
May 8, 2014
filing date -
Aug 21, 2013
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Abstract
A drive system for a water vehicle, in particular for a submarine underwater vehicle or an unmanned underwater vehicle, includes a fuel cell system, at least one operating-gas container for supplying the fuel cell system with an operating gas, and a compressor arranged on a gas discharge line for compressing a residual gas from the fuel cell system, wherein a turbine arranged between the operating-gas container and the fuel cell system is provided for expanding the operating gas before the operating gas enters the fuel cell system, where the compressor is driven by the turbine such that the energy balance of the drive system is thereby improved.
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