Rechargeable open cycle underwater propulsion system

Details Rechargeable open cycle underwater propulsion system Rechargeable open cycle underwater propulsion system

2006-10-31

2006-10-31

Avila, Stephen (Department: 3617)

Marine propulsion

Jet drive

C114S337000

Reexamination Certificate

active

07128624

ABSTRACT:
In an underwater vehicle, hydrogen and oxygen are fed into a combustion chamber of a combustor of the underwater vehicle to initiate a combustion reaction, which generates high-pressure steam. The high-pressure steam can be cooled with the injection of seawater, and can be condensed into high-pressure water by the addition of sufficient seawater. High-pressure water is then ejected out of the combustor, generating thrust for the underwater vehicle. Sensors that measure the combustor pressure and the external pressure could be used to adjust the combustor pressure, allowing for constant velocity as the depth of the underwater vehicle changes. Alternatively, the sensors could adjust the area of an exit nozzle of the combustor. Stored water can be converted back into hydrogen and oxygen by using electrical power external to the system. After regeneration of the water into hydrogen and oxygen, the propulsion system would be ready for operation again.

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patent: 2003/0013356 (2003-01-01), Burns
patent: 2003/0153216 (2003-08-01), Van-Drentham-Susman et al.

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