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One example embodiment includes a system for extracting kinetic energy from moving fluid masses. The system includes an encapsulator, where a fluid enters the encapsulator. The system also includes decelerator, where the decelerator reduces the velocity of the encapsulated fluid to near zero velocit

One example embodiment includes a system for extracting kinetic energy from moving fluid masses. The system includes an encapsulator, where a fluid enters the encapsulator. The system also includes decelerator, where the decelerator reduces the velocity of the encapsulated fluid to near zero velocity transferring the kinetic energy originally in the incoming fluid to the decelerator.

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1. A system for extracting kinetic energy from moving fluid masses, the system comprising: an encapsulating means configured to encapsulate a fluid entering the encapsulating means;a movable partition within the encapsulating means, the movable partition having a plurality of louvers;a plurality of

1. A system for extracting kinetic energy from moving fluid masses, the system comprising: an encapsulating means configured to encapsulate a fluid entering the encapsulating means;a movable partition within the encapsulating means, the movable partition having a plurality of louvers;a plurality of rollers for guiding the movable partition; anda decelerating means configured to reduce the velocity of the encapsulated fluid to zero velocity transferring the kinetic energy originally in the incoming fluid to the decelerating means. 2. The system of claim 1, wherein the decelerating means is an inertial energy sink. 3. The system of claim 2, wherein the decelerating means is a potential energy sink. 4. A system for extracting energy from moving fluids, wherein the system comprises: encapsulating means configured such that if a fluid enters the encapsulating means, movement of the fluid is constrained, the encapsulating means having an upstream end and a downstream end, and the encapsulating means comprising: a first movable partition, wherein the movable partition includes a plurality of louvers, at least one finger, and at least one push rod;a plurality of rollers for guiding the first movable partition;a guide member, wherein the at least one finger is inserted in the guide member to guide the first movable partition;at least one stop at the downstream end of the encapsulating means;wherein the first movable partition is configured to move downstream within the encapsulation means in the flowing fluid from the upstream end to the downstream end such that the at least one push rod will be urged against the at least one stop to cause the plurality of louvers to open to allow the first movable partition to return upstream; anddecelerating means connected to the movable partition, wherein the decelerating means is configured to; reduce the velocity of the encapsulated fluid to zero velocity; andtransfers transfer the kinetic energy originally in the incoming fluid to the decelerating means. 5. The system of claim 4, wherein the decelerating means includes: connection member configured to transfer energy from the movable partition and the flowing fluid to an energy sink. 6. The system of claim 5 wherein the energy sink includes one of: flywheels;pumps; orgenerators. 7. The system of claim 5 wherein the connection member includes: a shaft, wherein the shaft includes: a spool having a spring; anda one-way clutch; anda line having a first end attached to the shaft and arranged to wind onto and off of the spool, and a second end attached to the first movable partition;wherein: movement of the first movable partition in a first direction unwinds the line from the spool and the clutch grips said shaft, thereby urging said shaft to rotate; andduring movement of the first movable partition in a second direction, the spring causes the line to be rewound on to the spool and the clutch is disengaged from the shaft. 8. The system of claim 7, wherein the spool is conical in shape, wherein the conical shape acts as a variable gear ratio between the movement of the movable partition and the rotation speed of the shaft. 9. The system of claim 4, wherein the encapsulating means comprises: a first tunnel; andwherein the first tunnel is oriented so that the flowing fluid within the first tunnel causes the movable partition to move along the guide member. 10. The system of claim 9, wherein the encapsulating means further comprises: a second tunnel; anda second movable partition, wherein the second movable partition is placed in the second tunnel. 11. The system of claim 10, wherein: the first movable partition moves upstream when the second movable partition moves downstream; andthe first movable partition moves downstream when the second movable partition moves upstream. 12. The system of claim 9, further comprising a rotatable support, wherein the rotatable support allows the tunnel to be reoriented. 13. The system of claim 4, wherein the plurality of rollers are configured to facilitate movement of the movable partition along the guide member. 14. The system of claim 4 further comprising: a sensor, wherein the sensor is configured to monitor the speed and position of the movable partition; anda control unit, wherein the control unit can adjust the load on the movable partition. 15. A system for extracting energy from moving fluids, wherein the system comprises: an encapsulator configured such that if a fluid enters the encapsulator, the movement of the fluid is constrained to a single direction; anda movable partition comprising a plurality of louvers, wherein the movable partition: (i) is at least partially located within the encapsulator; and (ii) is configured to be moved by the encapsulated fluid;a decelerator configured to reduce the velocity of the movable partition and encapsulated fluid to zero velocity; andan energy sink, configured to receive from the decelerator the kinetic energy originally in the incoming fluid. 16. A method for extracting kinetic energy from moving fluid masses, the method comprising: encapsulating a fluid, wherein the fluid is encapsulated using an encapsulating means;using the encapsulated fluid to move a movable partition having a plurality of louvers, in a closed position, to a first end of the encapsulating means;reducing the velocity of the encapsulated fluid to zero velocity, wherein the velocity is reduced using decelerating means, wherein the decelerating means transfers the kinetic energy originally in the incoming fluid to the decelerating means; andmoving the plurality of louvers to an open position to allow the movable partition to move to a second end of the encapsulating means.