| 摘要 |
A fuel system (10) for an energy conversion device such as an internal combustion engine, a gas turbine device or a fuel cell is disclosed. The fuel system is particularly suited to use in a vehicle but may be used in, for example, a water or air craft or a fixed installation such as an electricity generator. The fuel system is for use with solid natural gas hydrates, optionally in slurry form. The system (10) comprises a first tank (12) for storing the solid hydrate, means (24, 26) for controlling the decomposition of the solid hydrate into natural gas and water, a first fuel line (38) for supplying natural gas resulting from the decomposition of the solid hydrate from the first tank to the energy conversion device, a second tank (82) for storing compressed natural gas which may be desired from the first tank, a second fuel line (94) for supplying natural gas from the second tank to the energy conversion device and a controller (96, 98) for releasing natural gas from the second tank through the second fuel line in response to transient surges in fuel demand by the energy conversion device above the supply of natural gas directly from the first tank.
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