Compliant ocean wave mitigation device and method to allow underwater sound detection with oceanographic buoy moorings
First Claim
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1. A sensor system for use in an underwater environment, the system comprising:
- a surface buoy configured to be disposed at a surface location on a water body,an underwater sensor connected to the surface buoy,a stretchable hose having a characteristic stretch extension selected to accommodate a predicted vertical heave of the surface buoy, the stretchable hose being attached to the surface buoy, for connecting the sensor to the surface buoy, the stretchable hose comprising;
at least one conductor disposed in a sidewall of the hose, anda hose coupling attached to one end of the stretchable hose, wherein the hose coupling is configured to allow the at least one conductor to pass from the sidewall of the stretchable hose through the hose coupling to an external interface without exposure to water, andan anchoring member connected to the sensor,wherein, in response to vertical heave of the surface buoy at the surface location on the water body, a length of the stretchable hose adjusts to thereby maintain the sensor at a predetermined depth in the water body.
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Abstract
The systems and methods described herein relate to a device which enables oceanographic surface buoy mooring systems to detect and monitor underwater noise at most sea state and weather conditions. In particular, the systems and methods described herein provide mooring systems that can support a hydrophone or other underwater listening devices connected to a surface buoy located at a deep sea position. As will be more fully described below, the mooring includes an expandable tether cable/hose that reduces noise generated underwater when the buoy moves in response to wave and weather.
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Citations
18 Claims
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1. A sensor system for use in an underwater environment, the system comprising:
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a surface buoy configured to be disposed at a surface location on a water body, an underwater sensor connected to the surface buoy, a stretchable hose having a characteristic stretch extension selected to accommodate a predicted vertical heave of the surface buoy, the stretchable hose being attached to the surface buoy, for connecting the sensor to the surface buoy, the stretchable hose comprising; at least one conductor disposed in a sidewall of the hose, and a hose coupling attached to one end of the stretchable hose, wherein the hose coupling is configured to allow the at least one conductor to pass from the sidewall of the stretchable hose through the hose coupling to an external interface without exposure to water, and an anchoring member connected to the sensor, wherein, in response to vertical heave of the surface buoy at the surface location on the water body, a length of the stretchable hose adjusts to thereby maintain the sensor at a predetermined depth in the water body. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A method of manufacturing a sensor system for use in an underwater environment, comprising:
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providing a stretchable hose, comprising; a first end comprising a coupling and a second end; a sidewall comprising; an inner layer; at least one reinforcement ribbon having a plurality of cords embedded in a matrix, wrapped helically about the inner layer; and at least one conductor, wrapped helically about at least one of the inner layer and the at least one reinforcement ribbon, wherein the conductor connects the first end and the second end, and passing from the sidewall through the coupling to an external interface without exposure to water; attaching the first end of the stretchable hose to a surface buoy configured to be disposed at a surface location on a water body; and attaching the second end of the stretchable hose to a sensor.
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Specification