| 摘要 |
The present invention provides a self-contained propulsion apparatus (1) suitable for a sub-sea ROV. The apparatus comprises: a reactor vessel (2) having at least one inlet (3, 4) and an exhaust (7); reservoirs (10, 11) for holding fuel and an oxidant material therefor, wherein the reaction products of said fuel and oxidant comprise steam; a remotely operable fuel and oxidan t supply control device (12, 13); and a steam turbine (9) connected to the exhaust (7) so as to be driven by steam from the reactor vessel (2). The turbine (9) is drivingly connected (39) to a propulsion device (42) for propelling the ROV in use thereof. A degassing apparatus (17) is provided fo r substantially removing steam and any other gas phase reaction products, from the gas phase into the liquid and/or solid phase, downstream of the turbine (9).
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