KR101170379B1 - A ship with rotor for decreasing fluid-resistance - Google Patents

Abstract

The present invention provides a vessel equipped with a rotor for reducing the resistance by the fluid received while the hull of the various vessels, including leisure small vessels such as motorboats move in the water (water). The ship equipped with a rotor for reducing the fluid resistance according to the present invention is provided with a rotor having a blade protruding to the lower surface of the hull moving by the propulsion mechanism mounted to the stern portion rotor by the fluid resistance of the lower hull As the rotation of the hull is induced, the fluid resistance is minimized during the movement of the hull, thereby increasing the speed of movement of the ship. In particular, the ship equipped with a rotor for reducing the fluid resistance according to the present invention can be easily applied to leisure vessels, such as motor boats so that the rotor is detachably mounted on the hull to be movable in the vertical direction and made of a simple configuration In addition, the installation and maintenance of the rotor can be made easily.

Ship equipped with a rotor for reducing the fluid resistance according to the present invention includes a hull, a propulsion mechanism, a rotary fluid mechanism. The hull has a predetermined shape and moves in the water phase. The propulsion mechanism is installed at the stern part of the hull to induce the movement of the hull. The rotatable fluid mechanism is fixed to the hull and moves integrally with the hull, and is provided with a rotor having a blade protruding to the lower surface of the hull at a position spaced apart from the propulsion mechanism in the direction of the bow. The rotor rotates according to the flow of the fluid moving relative to the hull during movement. In the ship equipped with a rotor for reducing the fluid resistance according to the present invention, the hull is moved by the operation of the propulsion mechanism, the rotor protruding to the lower surface of the hull is rotated by the resistance of the hull support of the hull This leads to an increase in the moving speed of the hull while reducing the resistance of the fluid to the hull.

Ship, hull, propulsion mechanism, fluid mechanism, rotor, blade

Description

Ship with rotor for decreasing fluid-resistance

The present invention relates to a ship equipped with a rotor for reducing fluid resistance, and more specifically, the rotor is provided to rotate in response to the resistance of the fluid during the water movement of the hull, the hull is supported by the flotation generated by the rotation of the rotor And a ship equipped with a rotor for reducing fluid resistance, which can be easily applied to a leisure vessel such as a motor boat, and also easily installs and maintains a rotor. will be.

The ship is a water transportation method used in rivers, lakes, seas, etc., such a ship is generally a propulsion mechanism is installed at the stern of the hull having a predetermined shape is moved by the operation of the propulsion mechanism. As the propulsion mechanism of the vessel, a screw connected to a prime mover such as an internal combustion engine / steam engine may be used, or an outboard motor may be used.

Here, the ship is moved in a submerged depth of the hull in the water due to its own weight. Accordingly, the vessel is subjected to the resistance of the fluid during movement, the resistance of the fluid acting on the vessel reduces the speed of the vessel, increases the consumption of energy supplied to drive the propulsion mechanism, the resistance of the fluid acting on the vessel In order to reduce the number of technologies, various developments are being used.

As a vessel to which the fluid resistance reduction technology is applied, such as the Republic of Korea Patent Publication No. 1991-0007934 "regulated geometric hydrofoil" to ensure that the wing is formed on the lower part of the hull to the wing that flows in the water when the hull moves. There are hydrofoils that allow the hull to be floated as lift is generated.

However, the hydrofoil as described above had difficulty in designing the shape of the wing formed in the lower part of the hull, and the strength design of the wing and the connection between the hull and the wing so as not to damage or break the wing that is strongly subjected to fluid resistance during the movement of the hull. There was a problem that is difficult to design and manufacture the site. In addition, it was difficult to operate a hydrofoil at shallow depths due to the formation of wings on the lower part of the hull, and it was difficult to be applied to leisure vessels used on water as needed while stored on land such as small motorboats. .

On the other hand, a vessel equipped with a separate accelerator device on the hull, such as the Republic of Korea Patent Publication No. 10-0471689 "acceleration device of the link valve mounting vessel" is also placed, the "acceleration device of the link valve mounting vessel" Is a central force tank mounted inside the hull, side buoyancy tanks mounted on both sides of the hull and having a release prevention jaw formed on one side thereof, and penetrating the hull in the transverse direction from the front and rear of the hull to the inside of the side buoyancy tank. A wheel axle, an aberration wheel erected on the wheel axle, a link belt with an end wound around the aberration wheel, and a rake-shaped wing protrudingly formed on the outer circumferential surface at a predetermined interval, and the link belt has a plurality of synthetic fiber fragments. It is connected and mounted with a connecting pin (in the case where the link belt is integral, there is no connecting pin), and wings and a separation prevention protrusion are formed on both sides, and the link belt and the central force tank And a plurality of roller shafts fixed to a bracket attached to the side of the side buoyancy tank and rotatably arranged on the roller shaft and mounted between the upper portion of the central force tank and the link belt and inserted into the roller bracket. And a plurality of upper first rollers, and a plurality of lower second rollers mounted between the lower portion of the central force tank and the link belt and inserted into the roller bracket, wherein the upper first rollers have a predetermined interval. And the lower second roller is arranged on the roller shaft so as to be engaged with each other in a zigzag.

However, the "acceleration device of the link valve mounting ship" has a complicated configuration and has a lot of trouble in manufacturing a ship, and it is also difficult to apply to a small ship such as a motor boat.

Therefore, the present invention improves the problems of the prior art, the rotor is provided with a blade protruding to the lower surface of the hull at a position spaced forward of the propulsion mechanism mounted on the stern portion of the hull is generated when the rotor moves the hull Rotor for reducing a new type of fluid resistance that can increase the speed of ship while minimizing the fluid resistance to the hull by the flotation force generated in the rotating rotor by rotating by the resistance of the fluid. The purpose is to provide a vessel equipped with.

In particular, the present invention can be easily applied to a leisure small vessel such as a motor boat through a simple design change of the hull, as the rotary rotating mechanism of a simple configuration including a rotor that can be detachably installed on the hull is provided. In addition, the rotor can be moved up and down, so that the rotor can be adjusted to protrude from the lower surface of the hull or positioned inside the hull, so that the rotor is prevented from damaging the rotor. The purpose is to provide a vessel.

According to a feature of the present invention for achieving the above object, the present invention comprises a hull made of a predetermined shape, and moved in the water phase; A propulsion mechanism installed at a stern of the hull to induce movement of the hull; The rotor is fixed to the hull and moves integrally with the hull, and a rotor having a blade protruding to the lower surface of the hull at a position spaced apart from the propulsion mechanism in the direction of the bow portion is provided, the water phase of the hull Including a rotating fluid mechanism to rotate the rotor according to the flow of the fluid that is relative to the hull during movement, the hull is moved by the operation of the propulsion mechanism, protruding to the lower surface of the hull As the rotor is rotated by the resistance of the fluid, the flotation of the hull is induced to reduce the resistance of the fluid to the hull, characterized in that the speed of movement of the hull can be improved.

In a ship equipped with a rotor for reducing fluid resistance according to the present invention, the hull is formed with a space portion having an open lower portion such that the rotatable fluid mechanism is installed in the space portion so that the blade of the rotor protrudes to the lower surface of the hull. To be possible, the rotating fluid mechanism and the actuator is fixed to the hull; The rotor is formed in a cylindrical shape having a plurality of blades formed around the outer circumferential surface, and is connected to the actuator to move up and down. The rotor is lowered by the actuator so that the blade protrudes to the lower surface of the hull. While the rotor is rotated by the resistance of the fluid to increase the moving speed of the hull, the rotor is raised by the actuator, the blade of the rotor is located in the space of the hull, the lower side of the hull The rotating fluid mechanism can be protected from the flowing fluid and the float.

In a ship equipped with a rotor for reducing fluid resistance according to the present invention, the rotor has a cylindrical shape having a plurality of blades formed around an outer circumferential surface thereof, while the central axis of the cylindrical body is located in the lateral direction of the hull, in a pitch direction. Rotating to the rotor, the rotor comprises a plurality of first blades protruding obliquely at a predetermined interval along the outer circumference of one side of the cylindrical body; Protrudingly inclined at a predetermined interval along the outer peripheral surface of the cylindrical body is disposed between the adjacent first blades to form a zigzag shape with the first blade, spaced apart from the first blade in the direction of the central axis of the cylindrical body A blade formed of a plurality of second blades formed so that a passage is formed between the first blades, and the fluids below the hull are adjacent to each other and adjacent to each other according to the movement of the hull. Rotating the rotor while passing through a passage formed between the second blade and between the first blade and the second blade to induce flotation of the hull while generating a float on the rotor.

In the ship equipped with a rotor for reducing fluid resistance according to the present invention, the first blade and the second blade constituting the blade may be formed in a rectangular cross-sectional shape having a predetermined height and width, a partial shape of an arc, a partial shape of an ellipse, It is characterized in that it is formed to be inclined to any one shape selected from the shape of a portion of the higher-order function of the quadratic function or higher, a portion of the trigonometric function, a portion of the spiral shape.

In the ship equipped with a rotor for reducing fluid resistance according to the present invention, the rotatable fluid mechanism is detachably coupled to the plunger moving up and down by the actuator, and further includes a casing having a mounting space with an open bottom portion. The rotor is rotatably and detachably fixed to the mounting space of the casing, so that the replacement and maintenance work of the rotor can be performed by attaching and detaching the casing.

In the ship equipped with a rotor for reducing fluid resistance according to the present invention, the rotating fluid mechanism is characterized in that a pair of rotors are spaced apart from each other in both directions of the hull.

In a ship equipped with a rotor for reducing fluid resistance according to the present invention, the hull is used as a hull of a boat in which the bow portion is inclined, and a buoyancy tank is respectively provided at the bow portion and the stern portion of the hull. It characterized in that the installation.

According to the ship equipped with a rotor for reducing the fluid resistance according to the present invention, the rotor is rotated by the resistance of the fluid is provided with the floating hull by the lifting force generated from the rotating rotor to reduce the fluid resistance when moving the hull hull Will have the effect of increasing the speed of movement. The energy consumption due to the movement of the hull is reduced, thereby reducing the fuel cost for operating the ship, and simultaneously increasing the maximum speed of the ship.

In addition, the present invention has an effect that is easily applied to a leisure vessel such as a motor boat, the rotor can be moved in the vertical direction so that the rotor protrudes from the lower surface of the hull or can be adjusted to be located inside the hull It can operate in this shallow area, can be stored on land, and has the effect of protecting the rotor from floating water / underwater even when it is not used and settled in the water. At the same time, as the rotor is detachably installed, the rotor may be easily installed, replaced, and maintained.

Ship 100 equipped with a rotor for reducing the fluid resistance according to the present invention is to reduce the resistance by the fluid received while the hull of the various vessels, including leisure small vessels, such as motorboats move in the water (hull) The movement speed of 20 is to be increased. The ship 100 is equipped with a rotor for reducing the fluid resistance according to the present invention has a blade 662 protruding to the lower surface of the hull 20 to be moved by the propulsion mechanism 40 mounted to the stern portion. The rotor 66 is provided, the rotor 66 is rotated by the fluid resistance of the lower side of the hull 20 is characterized in that the fluid resistance is minimized during the movement of the hull as the hull 20 is induced.

In addition, the vessel 100 is equipped with a rotor for reducing fluid resistance according to the present invention is provided with a rotary rotary mechanism () of a simple configuration including a rotor 66 that can be detachably installed in the hull 20 It is a technical feature. Accordingly, the ship 100 equipped with a rotor for reducing fluid resistance according to the present invention can be easily applied to a leisure small vessel such as a motor boat through a simple design change of the hull 20.

Vessel 100 equipped with a rotor for reducing the fluid resistance according to the present invention includes a hull 20, the propulsion mechanism 40, a rotary fluid mechanism (60).

The hull 20 is to form the body of the vessel 100, to be moved in the water (Oil), it is made in a predetermined shape in consideration of the resistance of the fluid acting during the movement.

The bow portion of the hull 20 can be made in a variety of shapes, including upright bows, inclined bows, and clipper bows. The bow bow of the hull 20 is brought into contact with the fluid in the water while being lifted. It is desirable to be inclined to a gentle curved surface so that the area can be reduced.

In addition, the hull 20 has a buoyancy tank 22 is installed at each of the predetermined position of the bow portion and the stern portion so that the height of the hull 20 is in contact with the fluid in the water while supporting a certain height. It is desirable to. This is to reduce the resistance of the fluid during the movement of the hull 20.

The propulsion mechanism 40 is to induce the movement of the hull 20, is installed in the stern portion of the hull 20 to impart a propulsion force to the hull 20. Such a propulsion mechanism 40 may be used in a variety of configurations, a screw connected to a prime mover such as an internal combustion engine / steam engine, or an outboard motor may be used.

Rotating fluid mechanism 60 is to guide the support of the hull 20, is fixed to the hull 20 is moved integrally with the hull 20, the blade protruding to the lower surface of the hull 20 ( As the rotor 66 having the 662 is provided, the fluid under the hull 20 comes into contact with the blade 662 of the rotor 66 to rotate the rotor 66 when the hull 20 moves, so that the flotation force is generated. The flotation of the hull 20 is induced.

Here, the rotary fluid mechanism 60 may be such that one rotor 66 is installed in the center of the lower surface of the hull 20, but a pair of rotors 66 are installed in both sides of the lower surface of the hull 20. It is preferable that the hull 20 can be supported in a left and right balance.

In addition, the rotor 66 rotates in the pitch direction by rotating the shaft in the lateral direction of the hull 20. As a result, the rotating shaft is positioned in a direction perpendicular to the moving direction of the hull 20. Floating force is applied to the rotor 66. Here, the blade 662 formed on the outer circumferential surface of the rotor 66 is formed to protrude outward from the outer circumferential surface of the rotor 66, thereby increasing the rotational force of the rotor 66.

The rotatable fluid mechanism 60 is installed at a position spaced apart from the propulsion mechanism 40 in the bow direction, and the hull 20 from the bow of the hull 20 to the position where the rotatable fluid mechanism 60 is installed. ) Can be supported.

Here, the rotary fluid mechanism 60 further includes an actuator 62 such as a motor, a pneumatic cylinder, a hydraulic cylinder, etc., so that the rotor 66 is connected to the actuator 62 to move up and down in accordance with the operation of the actuator 62. In this case, the rotor 66 is lowered during the operation of the ship, so that the rotor 66 is protruded to the lower surface of the hull 20 so that the hull 20 can be supported. As the 66 is raised and positioned inside the hull 20, the rotor 66 can be protected from the fluid and the floating material flowing under the hull 20.

In addition, the rotatable fluid mechanism 60 may allow the rotor 66 to be detachably fixed to the hull 20. Accordingly, the installation, replacement, and maintenance work of the rotor 66 may be easily performed.

Ship 100 equipped with a rotor for reducing the fluid resistance according to the present invention configured as described above is to move the hull 20 to obtain a driving force by the operation of the propulsion mechanism 40, the rotating fluid mechanism 60 As the blades 662 of the rotor 66 forming the protrusion protrude to the lower surface of the hull 20, the fluid under the hull 20 and the blades 662 of the rotor 66 come into contact with each other, thereby reducing the resistance of the fluid. This causes the rotor 66 to rotate.

As the rotor 66 rotates as described above, the flotation of the hull 20 is induced to reduce the resistance of the fluid to the hull 20, thereby increasing the moving speed of the hull 20.

On the other hand, in the case of a small vessel such as a motor boat, the center of gravity of the hull 20 is provided on the stern side of the hull 20 by a propulsion mechanism 40 such as a prime mover or an outboard motor located at the stern of the hull 20. The hull 20 is moved with the bow portion of the hull 20 spaced apart from the water surface. Accordingly, as shown in (a) of FIG. 5, the hull 20 receives resistance from the fluid while the hull 20 contacts the fluid below the hull 20 in a triangular cross-section toward the stern side of the hull 20. When the vessel 100 equipped with the rotor for reducing the fluid resistance according to the present invention is applied to a small vessel such as a motor boat, as shown in (b) of FIG. 5, the fluid of the hull 20 and the hull 20 is lowered. As the area of contact with the triangular cross-sectional shape is further minimized, the resistance of the fluid is reduced to increase the moving speed of the hull 20.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to FIGS. 1 to 5. On the other hand, in the drawings and detailed description showing and referring to the construction and operation that can be easily understood by those skilled in the art from a general ship, briefly or omitted. In particular, in the drawings and detailed description of the drawings, detailed descriptions and illustrations of specific technical configurations and operations of elements not directly related to technical features of the present invention are omitted, and only the technical configurations related to the present invention are briefly shown or described. It was.

1 (a) is a view showing a vessel equipped with a rotor for reducing the fluid resistance according to a preferred embodiment of the present invention, Figure 1 (b) is a fluid resistance reduction according to a preferred embodiment of the present invention In the ship equipped with a rotor for a view showing a state in which the rotor is located inside the hull, Figure 2 is a rotating fluid mechanism in a ship equipped with a rotor for reducing the fluid resistance according to a preferred embodiment of the present invention Figure 3 is a view showing a state in which the casing and the rotor is separated from the hull, Figure 3 is a view for showing the lower portion of the hull forming a vessel equipped with a rotor for reducing the fluid resistance according to a preferred embodiment of the present invention, Figure 4 is a view for showing a rotor according to a preferred embodiment of the present invention, Figure 5 (a) is a conventional motor boat equipped with an outboard motor is in contact with the fluid during the water movement 5 (b) is a view showing a portion of the motor boat equipped with an outboard motor to which the vessel equipped with a rotor for reducing the fluid resistance according to the present invention is in contact with the fluid during the movement of the water.

Vessel 100 equipped with a rotor for reducing fluid resistance according to a preferred embodiment of the present invention is a motorboat which is a small vessel, as shown in (a) and (b) of Figure 1, the propulsion mechanism ( 40), a configuration including a rotary fluid mechanism (60).

The hull 20 is a portion constituting the body of the motor boat, the hull 20 according to a preferred embodiment of the present invention is formed inclined bow portion having a smooth curved surface, and the bow portion (선 部) of the hull 20 The buoyancy tank 22 is provided in the stern part, respectively.

The hull 20 is configured such that the rotary fluid mechanism 60 is installed in the space 24 by forming a space 24 having a lower portion open on the stern side.

On the other hand, according to a preferred embodiment of the present invention, the ship 100 equipped with a rotor for reducing fluid resistance is a motor boat having an outboard motor driven by an electric motor, and the hull 20 is formed by high-strength FRP. May be used.

The propulsion mechanism 40 imparts a propulsive force to the hull 20 so that the hull 20 moves, and is installed at the stern part of the hull 20.

Here, since the ship 100 according to the preferred embodiment of the present invention is a small ship applied to a motor boat, the propulsion mechanism 40 according to the preferred embodiment of the present invention uses the battery 42 as a power source, and the battery An engine 44 supplied with power from the power source 42, a drive motor 46 connected to the engine and driven by the engine, and a screw which applies the driving force to the hull 20 while rotating by the drive motor 46. It will be made a configuration that includes (48).

The rotatable fluid mechanism 60 is installed in the lower portion of the open space 24 formed at a position spaced apart from the propulsion mechanism 40 in the direction of the bow portion by the rotor, thereby forming a rotor fluid mechanism 60 It is possible for 66 to project to the lower surface of the hull 20 through the open lower portion of the space 24. The rotating fluid mechanism 60 as described above is to allow the hull 20 to be lifted by the lifting force applied while being rotated according to the movement of the hull 20. Here, the rotary fluid mechanism 60 according to a preferred embodiment of the present invention is composed of a configuration including an actuator 62, a casing 64, a rotor 66, the control lever 68.

The actuator 62 is fixed to the hull and may be supplied with power from the battery 42 used in the propulsion mechanism 40 or may be provided with a separate battery. As such, the actuator 62 which is supplied with power by the battery 42 may use a hydraulic drive motor or a hydraulic cylinder.

The casing 64 is formed with a mounting space 642 having an open bottom, and the rotor 66 is inserted through the open bottom to be rotatably fixed, and connected to the actuator 62 by a pair of plungers 622. In this way, the actuator 62 moves up and down integrally with the plunger 622 according to the operation of the actuator 62. The casing 64 is detachably coupled to the plunger as shown in FIG. 2, and the rotor 66 is detachably fixed to the casing 64, thus requiring replacement or maintenance of the rotor 66. When the work is to be carried out smoothly through the removal of the casing 64 and the removal of the rotor (66).

The rotor 66 is inserted into the open lower portion of the casing 64 and rotatably fixed to the casing 64. The rotor 66 has a cylindrical shape having a plurality of blades 662 formed around an outer circumferential surface thereof so that the central axis of the cylindrical body is Positioned in the lateral direction of the hull 20 is to rotate in the pitch (pitch) direction. As the rotor 66 is rotated in the direction perpendicular to the moving direction of the hull 20, the rotor 66 is rotated during the movement of the hull 20 while being given a flotation force.

The blade 662 formed around the outer circumferential surface of the rotor 66 is composed of a plurality of first blades 662a and a plurality of second blades 662b, as shown in FIG. 4, wherein the first blade 662a is a rotor ( 66 is formed to be inclined protruding at a predetermined interval around the outer peripheral surface of the cylindrical body constituting the 66, the second blade 662b is formed to be inclined protruding at a predetermined interval around the other outer peripheral surface of the cylindrical body constituting the rotor (66).

Here, the second blade 662b is located between the adjacent first blades 662a to form a zigzag shape with the first blade 662a, and is spaced apart from the first blade 662a in the direction of the central axis of the cylindrical body. It is formed so that the passage 664 is formed between the first blade (662a).

Accordingly, fluids flowing from the lower side of the hull 20 are between the first blades 662a adjacent to each other, the second blades 662b adjacent to each other, and the first blades 662a and the second blades. As the rotor 66 is rotated while passing through the passage 664 formed between the 662b, the hull 20 is suspended as the flotation force is generated in the rotor 66 to reduce the resistance of the fluid to the hull 20.

Here, the first blade 662a and the second blade 662b constituting the blade 662 according to the preferred embodiment of the present invention have a rectangular cross-sectional shape having a predetermined height and width, and such a first blade 662a ) And the second blade 662b on the outer circumferential surface of the cylindrical body constituting the rotor 66, a part of the arc, a part of the ellipse, a part of the higher-order function above the quadratic function, a part of the trigonometric function, a part of the spiral It is formed to be inclined in any one shape selected from the shape group so that the fluid below the hull 20 can flow smoothly.

On the other hand, as the rotor 66 is fixed to the casing 64 is moved in the vertical direction in accordance with the operation of the actuator 62, when the rotor 66 is lowered by the actuator 62 (Fig. As in a), as the blade 662 of the rotor 66 protrudes to the lower surface of the hull 20, the rotor 66 rotates to support the hull 20 to induce an increase in the moving speed of the hull 20. When the rotor 66 is raised by the actuator 62, the blade 662 of the rotor 66 is positioned in the space 24 of the hull 20 as shown in FIG. 1 (b). (20) The rotatable fluid mechanism 60 can be protected from the fluid and the float below.

The adjustment lever 68 is installed on the hull 20 and is operated by the user, and controls the operation of the actuator to raise and lower the rotor 66 as described above.

Here, the rotating fluid mechanism 60 according to the preferred embodiment of the present invention, as shown in Figure 3 so that a pair of rotors 66 to be spaced apart from each other in the both sides of the lower surface of the hull 20 to the hull 20 To balance the left and right.

As described above, the vessel equipped with the rotor for reducing the fluid resistance according to the embodiment of the present invention is shown according to the above description and drawings, but this is only an example and is not limited to the scope of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein.

Figure 1 (a) is a view for showing a vessel equipped with a rotor for reducing the fluid resistance according to a preferred embodiment of the present invention;

1 (b) is a view for showing a state in which the rotor is located inside the hull in a ship equipped with a rotor for reducing fluid resistance according to a preferred embodiment of the present invention;

2 is a view showing a state in which a casing and a rotor constituting a rotating fluid mechanism in a vessel equipped with a rotor for reducing fluid resistance according to a preferred embodiment of the present invention are separated from the hull;

3 is a view for showing the lower portion of the hull forming a vessel equipped with a rotor for reducing fluid resistance according to a preferred embodiment of the present invention;

4 is a view for showing a rotor according to a preferred embodiment of the present invention;

Figure 5 (a) is a view showing a portion where the conventional motorboat equipped with an outboard motor is in contact with the fluid during the movement of the water phase;

Figure 5 (b) is a view showing a portion where the motorboat equipped with an outboard motor to which the vessel equipped with a rotor for reducing fluid resistance according to the present invention is in contact with the fluid during the movement of the water.

* Description of the symbols for the main parts of the drawings *

20: hull 22: buoyancy tank

24: space part 40: propulsion mechanism

42: battery 44: engine

46: drive motor 48: screw

60: rotating fluid mechanism 62: actuator

622 plunger 64 casing

642: mounting space 66: rotor

662: blade 662a: first blade

662b: second blade 664: passage

68: control lever 100: ship

Claims (7)

A hull made of a predetermined shape and moving in a water phase; A propulsion mechanism installed at a stern part of the hull to induce movement of the hull; The rotor is fixed to the hull and moves integrally with the hull, and a rotor having a blade protruding to the lower surface of the hull at a position spaced apart from the propulsion mechanism in the direction of the bow portion is provided, the water phase of the hull Including a rotating fluid mechanism to rotate the rotor in accordance with the flow of the fluid to move relative to the hull during the movement, The hull is moved by the operation of the propulsion mechanism, the rotor protruding to the lower surface of the hull is rotated by the resistance of the fluid while the support of the hull is induced to reduce the resistance of the fluid to the hull To improve the moving speed of the hull, The hull is formed with a space portion of the lower opening is the rotatable fluid mechanism is installed in the space so that the blade of the rotor can protrude to the lower surface of the hull, The rotating fluid mechanism includes an actuator fixed to the hull; A rotor is formed in a cylindrical shape having a plurality of blades formed around the outer circumferential surface, and is connected to the actuator to move in the vertical direction. The rotor is lowered by the actuator so that the blade protrudes to the lower surface of the hull, the rotor is rotated by the resistance of the fluid to increase the moving speed of the hull, The rotor is raised by the actuator so that the blade of the rotor is located in the space of the hull as the rotating fluid mechanism to protect the rotatable fluid mechanism from the fluid and floating in the lower side of the hull Vessel with rotor for abatement. delete The method of claim 1, The rotor has a cylindrical shape having a plurality of blades formed around the outer circumferential surface of the rotor is rotated in the pitch (pitch) direction while the central axis of the cylindrical body is located in the lateral direction of the hull, The rotor may include a plurality of first blades protruding obliquely at predetermined intervals along the outer circumference of one side of the cylindrical body; Protrudingly inclined at a predetermined interval around the outer peripheral surface of the cylindrical body is located between the adjacent first blades to form a zigzag shape with the first blade, spaced apart from the first blade in the direction of the central axis of the cylindrical body Has a blade formed of a plurality of second blades are formed to form a passage between the first blade, As the hull moves, the rotor rotates while the fluid below the hull passes between a first blade adjacent to each other, a second blade adjacent to each other, and a passage formed between the first blade and the second blade. The vessel equipped with a rotor for reducing fluid resistance, characterized in that to induce the flotation of the hull while the flotation force is generated in the rotor. The method of claim 3, The first blade and the second blade constituting the blade is made of a rectangular cross-sectional shape having a predetermined height and width, Partial shape of the arc, part of the shape of the ellipse, part of the higher-order function of the quadratic function, part of the trigonometric function, inclined in any one shape selected from the shape of the partial shape of the spiral for reducing the fluid resistance Vessel with rotor. The method of claim 1, The rotatable fluid mechanism is detachably coupled to the plunger moving in the vertical direction by the actuator, and further includes a casing in which a mounting space having an open bottom is formed. The rotor is rotatably and detachably fixed to the mounting space of the casing so that the replacement and maintenance work of the rotor may be performed by attaching and detaching the casing. Ship. The method of claim 1, The rotating fluid mechanism is a vessel equipped with a rotor for reducing fluid resistance, characterized in that a pair of rotors are installed to be spaced apart from each other in both directions of the hull. The method of claim 1, The hull is to be used as the hull of the boat formed inclined by the bow portion, and the rotor for reducing fluid resistance, characterized in that the buoyancy tank is installed in the bow portion and the stern portion of the hull respectively; Equipped ship.

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