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KR-102962693-B1 - Air suction and discharge controlled wind auxiliary propulsion system for ship

KR102962693B1KR 102962693 B1KR102962693 B1KR 102962693B1KR-102962693-B1

Abstract

The present invention relates to a wind-assisted propulsion system for a ship capable of adjusting the angle of attack and increasing lift by operating one of two blowers according to the direction of the wind blowing from the front during the navigation of the ship, thereby drawing in air through one of the two intake ports and adjusting the direction of air discharge from the discharge port at the rear end. The wind-assisted propulsion system for a ship according to the present invention comprises: a wing body portion installed on the upper surface of the deck of the ship, having a first intake port and a second intake port formed to be open to the outside for air inflow on both sides, and a first discharge port and a second discharge port formed to be open to the outside for air discharge on both sides of the rear end; a first blowing module installed inside the wing body portion, which draws in external air through the first intake port and discharges it to the outside through the first discharge port; and a second blowing module installed inside the wing body portion, which draws in external air through the second intake port and discharges it to the outside through the second discharge port. It may include: a discharge control module that selectively opens and closes a first discharge port and a second discharge port according to the operation of the first blowing module and the second blowing module; a wind direction sensing module that detects the direction of wind blowing from the front of the vessel; and a control module that operates either the first blowing module or the second blowing module according to the wind direction detected by the wind direction sensing module, and operates the discharge control module to open either the first discharge port or the second discharge port and close the other.

Inventors

  • 김정은
  • 오우준
  • 최성윤

Assignees

  • 재단법인한국조선해양기자재연구원

Dates

Publication Date
20260511
Application Date
20240725

Claims (10)

  1. A wing body (110) installed on the upper surface of the deck of a ship, having a first intake port (111) and a second intake port (112) formed on both sides for air to enter and open to the outside, and a first discharge port (121) and a second discharge port (122) formed on both sides of the rear end for air to be discharged and open to the outside; A first blowing module (140) installed inside the wing main body (110) that sucks in outside air through the first intake port (111) and then discharges it to the outside through the first discharge port (121); A second blowing module (150) installed inside the wing main body (110) that sucks in outside air through the second intake port (112) and then discharges it to the outside through the second discharge port (122); A discharge control module (130) that selectively opens and closes the first discharge port (121) and the second discharge port (122) according to the operation of the first blowing module (140) and the second blowing module (150); A wind direction sensing module (170) for detecting the direction of wind blowing from the front of the vessel; and, A control module (160) that operates either the first blowing module (140) or the second blowing module (150) according to the direction of the wind detected by the wind direction detection module (170), and operates the discharge control module (130) to open either the first discharge port (121) or the second discharge port (122) and close the other; Includes, The discharge control module (130) comprises a rotating shaft (132) installed between the first discharge port (121) and the second discharge port (122), a discharge control plate (131) that rotates around the rotating shaft (132) and closes either the first discharge port (121) or the second discharge port (122), and a control panel driving member (133) that operates by a control signal transmitted from the control module (160) to transmit rotational force to the rotating shaft (132) or the discharge control plate (131). The first blowing module (140) comprises: a first suction channel (141) installed inside the wing body part (110) to communicate with the first suction port (111) of the wing body part (110); a first discharge channel (142) installed to communicate with the first discharge port (121); a first impeller (143) installed between the first suction channel (141) and the first discharge channel (142) to suck in air through the first suction channel (141) and discharge it to the first discharge channel (142); and a first fan motor (144) that operates by a control signal transmitted by the control module (160) to rotate the first impeller (143). Includes, The second blowing module (150) comprises: a second suction channel (151) installed inside the wing body part (110) to communicate with the second suction port (112) of the wing body part (110); a second discharge channel (152) installed to communicate with the second discharge port (122); a second impeller (153) installed between the second suction channel (151) and the second discharge channel (152) to suck in air through the second suction channel (151) and discharge it to the second discharge channel (152); and a second fan motor (154) that operates by a control signal transmitted by the control module (160) to rotate the second impeller (153). A marine wind-assisted propulsion system including
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  5. In claim 1, the wing body portion (110) is a marine wind-assisted propulsion system having a cross-sectional shape of any one of elliptical, streamlined, and airfoil shapes.
  6. A ship wind-assisted propulsion system according to claim 1, further comprising a mesh-shaped boundary layer screen (115) installed in the first intake port (111) and the second intake port (112) of the wing body part (110) so as to be connected to the side of the wing body part (110).
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Description

Air suction and discharge controlled wind auxiliary propulsion system for ship The present invention relates to an auxiliary propulsion device for a ship, and more specifically, to a wind-assisted propulsion system for a ship that is installed on the deck of the ship and increases the ship's propulsion force by generating lift from the wind blowing during navigation. Centered on the shipping industry, there is a growing trend of utilizing wind energy to respond to marine environmental regulations and supplement ship propulsion. Wind-powered vessels generally utilize wind propulsion devices as auxiliary power while maintaining the existing fuel system. Wind propulsion devices utilizing such wind energy can be classified into rotor sails, wing sails, kites, etc. A rotor sail is a system that generates thrust by utilizing the pressure difference caused by wind, achieved by vertically erecting a cylindrical column on the deck of a ship and rotating it. It is a technology that propels a ship using the Magnus effect. The Magnus effect refers to the phenomenon where a force propelling a sphere or cylinder forward is generated when it bends from an area of high pressure to an area of low pressure as it rotates and passes through a fluid. Therefore, the Magnus effect generates a transverse force as fluid flows into a cylinder rotating around its length, direction, and axis; this transverse force acts perpendicular to the direction of the incoming flow, thereby generating thrust. A wing sail is a system that obtains propulsion by receiving wind while fixed in a certain direction, having an airfoil-shaped cross-section. A column or support is installed on the upper deck of a ship, and an airfoil that receives wind can be installed on this column or support. The airfoil can be rotated to an angle that maximizes wind reception by means of a hydraulic actuator, etc. The leading edge and trailing edge of such an airfoil can be positioned parallel to a column or support. When the airfoil is rotated by an actuator and positioned to receive maximum wind power, it generates lift by receiving wind, and this lift can generate maximum thrust. Korean Patent Publication No. 10-2024-0045860 discloses a variable wing sail for ships that controls lift by placing an actuator inside the wing sail to adjust the angle of a flap formed on the side and changing the direction of the flap according to the direction of the wind. However, the aforementioned variable wing sail increases lift by adjusting the angle of the flaps, so there is a limit to the amount of lift that can be increased, and there is a problem in that it is difficult to actively control the angle of the flaps according to changes in wind direction. FIG. 1 is a side view of a ship to which a wind-assisted propulsion system for ships according to one embodiment of the present invention is applied. FIG. 2 is a perspective view of a wind-assisted propulsion system for a ship according to one embodiment of the present invention. FIGS. 3 and 4 are cross-sectional views showing the configuration and operation of a wind-assisted propulsion system for a ship according to one embodiment of the present invention. FIG. 5 is a configuration diagram showing the configuration for controlling a wind-assisted propulsion system for a ship according to one embodiment of the present invention. FIG. 6 is a cross-sectional view showing the configuration and operation example of a wind-assisted propulsion system for ships according to another embodiment of the present invention. The present invention will be described below with reference to the attached drawings. However, the present invention may be implemented in various different forms and is therefore not limited to the embodiments described herein. Furthermore, in order to clearly explain the present invention in the drawings, parts unrelated to the explanation have been omitted, and similar parts throughout the specification have been given similar reference numerals. Throughout the specification, when it is stated that a part is "connected (connected, in contact, combined)" with another part, this includes not only cases where they are "directly connected," but also cases where they are "indirectly connected" with other members interposed between them. Furthermore, when it is stated that a part "includes" a certain component, this means that, unless specifically stated otherwise, it does not exclude other components but rather allows for the inclusion of additional components. The terms used herein are merely for describing specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In this specification, terms such as “comprising” or “having” are intended to indicate the presence of the features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, and should be understood as not precluding