IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0615994
(2012-09-14)
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등록번호 |
US-9383471
(2016-07-05)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
Patent Portfolio Builders PLLC
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
▼
A marine node for recording seismic waves underwater. The node includes a main body having a torus shape; a central body provided inside a space defined by the main body and connected to the main body through at least a link; a first thruster provided in the main body and configured to propel the ma
A marine node for recording seismic waves underwater. The node includes a main body having a torus shape; a central body provided inside a space defined by the main body and connected to the main body through at least a link; a first thruster provided in the main body and configured to propel the main body along a central axis (Z) of the main body; and a seismic sensor configured to record the seismic waves underwater.
대표청구항
▼
1. A marine node for recording seismic waves underwater, the node comprising: a main body having a torus shape defining a space surrounded by the main body, a central axis (Z) passing through the space and an interior insulated from ambient water;a central body disposed inside the space, the central
1. A marine node for recording seismic waves underwater, the node comprising: a main body having a torus shape defining a space surrounded by the main body, a central axis (Z) passing through the space and an interior insulated from ambient water;a central body disposed inside the space, the central body separated from and connected to the main body through at least a link;a first thruster provided in the main body and configured to propel the main body along the central axis; anda seismic sensor configured to record the seismic waves underwater. 2. The marine node of claim 1, wherein the node is configured to autonomously move at a water surface and underwater. 3. The marine node of claim 1, wherein the seismic sensor is provided on the central body. 4. The marine node of claim 1, further comprising: a second thruster provided in the main body; anda third thruster provided in the main body,wherein the first to third thrusters are symmetrically provided in the main body around the central axis. 5. The marine node of claim 1, further comprising: a first jet pump provided in the main body and configured to eject water such that the node moves in a plane (XOY) substantially perpendicular to the central axis (Z). 6. The marine node of claim 5, wherein the first thruster is provided inside a first thruster channel and the first jet pump is provided in fluid communication with a first jet channel, the first thruster channel and the first jet channel are substantially perpendicular to each other, and the first thruster channel and the first jet channel extend through the main body. 7. The marine node of claim 5, further comprising: a second jet pump provided in the main body; anda third jet pump provided in the main body,wherein the first to third jet pumps are symmetrically provided in the main body around the central axis. 8. The marine node of claim 1, further comprising: a battery disposed in the interior the main body;a control unit provided inside the central body and connected to the battery and the first thruster to control the first thruster;communication equipment provided inside the central body and configured to exchange location information with a vessel; andat least one buoyancy chamber inside the central body and configured to receive sea water for controlling an overall buoyancy of the node. 9. The marine node of claim 1, wherein a height H of the main body along the central axis is substantially equal to a height h of the central body along the central axis. 10. The marine node of claim 1, wherein the central body has a pointed end configured to couple with the ocean bottom. 11. The marine node of claim 10, wherein the seismic sensor is provided on an outside surface of the pointed end of the central body. 12. The marine node of claim 1, wherein the seismic node includes at least one of a hydrophone, geophone, or accelerometer. 13. The marine node of claim 1, further comprising: a global positioning system provided on the central body and configured to acquire a geographical location of the node. 14. A marine node for recording seismic waves underwater, the node comprising: a main body having a torus shape defining a space surrounded by the main body, a central axis (Z) passing through the space and an interior insulated from ambient water;a central body disposed inside the space, the central body separated from and connected to the main body through at least a link;three thrusters provided inside the main body and configured to propel the main body along the central axis;three jet pumps provided inside the main body and configured to propel the main body in a plane XOY substantially perpendicular to the central axis (Z); anda seismic sensor provided on the central body and configured to record the seismic waves underwater. 15. The marine node of claim 14, further comprising: a global positioning system provided on the central body and configured to acquire a geographical location of the node;a battery disposed in the interior of the main body and configured to provide electric energy;a control unit connected to the battery to receive the electric energy, and connected to the global positioning system, to the three thrusters and to the three jet pumps to drive the node from a launch area to a target landing point on the ocean bottom. 16. A method for driving a marine node between first and second points in a body of water for a marine seismic survey, the method comprising: launching the marine node from a vessel in a launch area;moving the marine node from the launch area to an approach area at a surface of the body of water, wherein one or more jet pumps provided inside a main body of the marine node are activated to move the marine node;activating one or more thrusters, provided inside the main body, to drive the marine node from the approach area to a target landing point; andrecording seismic waves with a seismic sensor located on a central body of the marine node separate from the main body,wherein the main body has a torus-shape defining a space surrounded by the main body and an interior insulated from the body of water, the central body disposed in the space and connected via a link to the main body. 17. The method of claim 16, further comprising: further activating the jet pumps, while the marine body is descending toward the target landing point, to correct a position of the marine node in a plane substantially parallel to the surface of the body of water. 18. The method of claim 16, further comprising: changing an overall buoyancy of the marine node by flooding one or more chambers while the marine node is underwater. 19. The method of claim 16, further comprising: after the marine node has coupled with a bottom of the body of water, making positive an overall buoyancy of the marine node to detach the marine node from the bottom. 20. The method of claim 19, further comprising: activating the one or more thrusters to drive the marine node from the target landing point toward the surface of the body of water.
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