KR200463687Y1 - propulsion apparatus for ship - Google Patents

propulsion apparatus for ship Download PDF

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Publication number
KR200463687Y1
KR200463687Y1 KR2020120004760U KR20120004760U KR200463687Y1 KR 200463687 Y1 KR200463687 Y1 KR 200463687Y1 KR 2020120004760 U KR2020120004760 U KR 2020120004760U KR 20120004760 U KR20120004760 U KR 20120004760U KR 200463687 Y1 KR200463687 Y1 KR 200463687Y1
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KR
South Korea
Prior art keywords
inlet
hull
extension pipe
ship
guide duct
Prior art date
Application number
KR2020120004760U
Other languages
Korean (ko)
Inventor
신봉규
Original Assignee
신봉규
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Priority to KR2020120004760U priority Critical patent/KR200463687Y1/en
Application granted granted Critical
Publication of KR200463687Y1 publication Critical patent/KR200463687Y1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H1/00—Propulsive elements directly acting on water
    • B63H1/02—Propulsive elements directly acting on water of rotary type
    • B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14—Propellers
    • B63H1/28—Other means for improving propeller efficiency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/16—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in recesses; with stationary water-guiding elements; Means to prevent fouling of the propeller, e.g. guards, cages or screens

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The present invention relates to a ship propulsion device that can increase the speed and propulsion efficiency of the ship.
Ship propulsion device according to the present invention is a large amount of water is introduced through the inlet (11, 12) when the ship is advanced, accelerated and compressed and discharged at a high speed through the drain 20 so that the propulsion force is generated, the ship It has the advantage of increasing the speed and propulsion efficiency.

Description

Propulsion apparatus for ship

The present invention relates to a ship propulsion device that can increase the speed and propulsion efficiency of the ship.

In general, a ship propulsion device provided on a ship to provide a propulsion force to the ship is largely divided into a propeller propulsion method for rotating the propeller to push out water and a jet propulsion method for injecting water and discharging it backwards at high speed. Are distinguished.

As shown in Figure 1, the propeller propulsion method is configured to be coupled to the propeller (3) coupled to the rotating shaft (2) which is extended to the outside of the hull 1 is driven to rotate by the engine, compared to the jet propulsion method Its simple structure makes it widely used.

By the way, such a propeller propulsion device for ships is not only limited to increase the speed, but also has a problem of low propulsion efficiency.

Therefore, in recent years, various types of marine propulsion apparatuses have been developed, such as Patent Publication No. 10-2011-0124021, which can increase speed and propulsion efficiency.

However, such propulsion devices, too, are limited in increasing speed and propulsion efficiency.

Therefore, there is a need for a new way to solve this problem.

The present invention is to solve the above problems, it is an object of the present invention to provide a marine propulsion device that can increase the speed and propulsion efficiency of the vessel.

The above object and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention by those skilled in the art.

According to the present invention for achieving the above object, the propulsion for ship including a rotating shaft (2) extending to the rear of the hull (1) and driven rotationally by the engine, and a propeller (3) coupled to the rotating shaft (2) In the apparatus, a flow path in which a circumferential portion of the hull 1 is formed with inlets 11 and 12 which are opened to face the front of the hull 1 and a drain 20 which is opened to face the rear of the hull 1 is formed. 30 is provided, the inlet (11, 12) is provided with a propulsion device for ships, characterized in that the area is wider than the drain 20.

According to another feature of the present invention, the side surface of the hull 1 is provided with a guide duct 40 is formed in the front end portion and the middle inlet port (11, 12), the rear side of the guide duct 40 An extension pipe 50 extending rearward to cover the outside of the propeller 3 and having the drain hole 20 formed at a rear end thereof is connected to the flow path 30 by the guide duct 40 and the extension pipe 50. There is provided a propulsion device for ships, characterized in that is formed.

According to another feature of the present invention, the rear end of the extension pipe 50 is further provided with a plurality of guide panels 60 rotatably coupled in the direction of the center of the extension pipe 50, the guide panel 60 There is provided a ship propulsion device, characterized in that to rotate to adjust the diameter of the drain 20 formed in the extension pipe (50).

According to another feature of the present invention, the inlet (11, 12) is provided with a marine propulsion device characterized in that the opening and closing damper (70) is provided.

According to another feature of the present invention, the auxiliary inlet (11a) is formed in the circumference of the inlet (11, 12), the auxiliary inlet (11, 12) in the closed state by the opening and closing damper (70) There is provided a ship propulsion device, characterized in that water can be introduced into the flow path (30) through the inlet (11a).

Ship propulsion device according to the present invention is a large amount of water is introduced through the inlet (11, 12) when the ship is advanced, accelerated and compressed and discharged at a high speed through the drain 20 so that the propulsion force is generated, the ship It has the advantage of increasing the speed and propulsion efficiency.

1 is a reference diagram showing a conventional marine propulsion device,
Figure 2 is a side view showing a marine propulsion device according to the present invention,
Figure 3 is a plan view showing a marine propulsion device according to the present invention,
4 is a front view showing a marine propulsion device according to the present invention,
5 is a reference diagram for explaining the action of the ship propulsion device according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 to 5 show the propulsion device for ships according to the present invention, a rotary shaft 2 which is extended to the rear of the hull 1 and driven to rotate by the engine, and a propeller 3 coupled to the rotary shaft 2 ) Is the same as before.

In addition, according to the present invention, the inlets 11 and 12 which are opened to the front of the hull 1 and the drain hole 20 which is opened to the rear of the hull 1 are formed at the circumference of the hull 1. The flow path 30 is provided.

To this end, the side of the hull (1) is provided with a guide duct 40 is formed in the front end and the inlet (11, 12) in the middle portion, the rear end of the guide duct 40 in the rear end of the drain Extension tube 50 is formed 20 is connected, the flow path 30 is formed by the guide duct 40 and the extension tube 50.

The guide duct 40 is coupled to protrude laterally on both sides of the hull 1 of the ship to form a flow path 30 through which water flows between the guide duct 40 and the side of the hull 1, The inner cross-sectional area is gradually narrowed from the front to the rear.

The inlets (11, 12) is composed of a front inlet 11 formed in front of the guide duct 40, and the auxiliary inlet 11 formed on the side of the guide duct (40).

At this time, the guide duct 40 is formed with an inclined portion 41 protruding inclined in the lateral direction, the auxiliary inlet 12 is formed so as to open toward the front in the front of the inclined portion (41).

The extension pipe 50 is configured in a cylindrical shape that the inner diameter decreases toward the rear, the front end is connected to the rear end of the guide duct 40, the rear end extends to surround the circumference of the propeller (3) do.

Therefore, when the propeller 3 is rotated and the ship is advanced, as shown in FIG. 3, water around the ship flows into the inlets 11 and 12 formed in the guide duct 40, and then the flow path 30. After flowing along and discharged through the drain 20 formed in the extension pipe (50).

At this time, the drain 20 formed in the extension pipe 50 is configured to be smaller than the area of the inlet (11, 12), the water flowing into the inlet (11, 12) in accordance with the advance of the vessel flow path 30 As it flows backward along, it is gradually accelerated and compressed and then discharged at high speed through the drain hole 20.

In addition, a plurality of guide panels 60 are further provided at the rear end of the extension pipe 50 so as to be rotatable in the center direction of the extension pipe 50.

The guide panel 60 is disposed to form a circle together at the rear end of the extension pipe 50, and is rotated in the direction of the center of the extension pipe 50 by a driving means (not shown), and formed in the extension pipe 50 ( 20) to adjust the diameter.

In addition, the inlet (11, 12) is provided with an opening and closing damper (70). The opening and closing damper 70 is configured in a form corresponding to the inlet (11, 12) and one side is hinged to the circumference of the inlet (11, 12), is rotated by the driving means not shown in the inlet ( 11, 12) to open and close the function.

At this time, as shown in Fig. 2 and 4, the auxiliary inlet (11a) is formed in the peripheral portion of the front inlet (11).

The auxiliary inlet (11a) is formed to be located in the upper and lower side of the front inlet 11 on the front surface of the guide duct 40, the inlet (11, 12) is closed by the opening and closing damper 70 In the water is introduced to the interior of the flow path 30 through the auxiliary inlet (11a).

Reference numeral 80, which is not described, indicates a rudder positioned at the rear of the propeller 3 to adjust the direction of the ship.

In the propulsion device for ships configured as described above, when the propeller 3 is rotated and the ship is advanced, water around the hull 1 is introduced into the flow path 30 in large quantities through the inlets 11 and 12. It is discharged to the drain 20. At this time, since the area of the drain 20 is narrower than the area of the inlet (11, 12), a large amount of water flowing into the inlet (11, 12) flows backward along the flow path (30) and gradually accelerated and compressed After being discharged through the drain 20 at a high speed, it provides additional propulsion so that the ship can be advanced more quickly with less power.

Therefore, there is an advantage that can provide improved propulsion efficiency compared to the existing marine propulsion device using only the propeller (3).

In particular, since the extension pipe 50 extends to the rear side to cover the outside of the propeller 3, the water discharged after the accelerated and compressed water passes through the propeller 3 while passing through the flow path 30. Is discharged.

Therefore, when the propeller 3 is rotated, the compressed water passing through the extension pipe 50 is pushed backward, so that the repelling force generated while the propeller 3 pushes the water is increased, thereby further improving the efficiency of the propulsion device. There is an advantage.

That is, even if the same propeller 3 is rotated at the same speed to push out the same amount of water, when the water density is high, more mass of water can be pushed backward.

Therefore, as the present invention, when the water around the propeller 3 is compressed, the density of the water is increased, even if the propeller 3 rotates at the same speed, more mass of water is pushed out to obtain a greater repulsive force. Therefore, the ship can be advanced at a higher speed, thereby improving the efficiency of the propulsion device.

The rear end of the extension pipe 50 further includes a plurality of guide panels 60 rotatably coupled in the center direction of the extension pipe 50, according to the speed of the ship and the rotational speed of the propeller 3. By rotating the guide panel 60 to adjust the diameter of the drain 20 formed in the extension pipe 50, there is an advantage that can further improve the efficiency of the propulsion device.

In addition, since the inlet openings 11 and 12 are provided with an opening and closing damper 70, as shown in FIG. 4, the opening and closing degree of the inlet openings 11 and 12 is controlled by the opening and closing damper 70, so as to improve the degree of propulsion. There is an additional adjustable advantage.

In addition, when the vessel is to be stopped, there is an advantage that the vessel can be stopped more quickly than before by increasing the resistance by closing the inlets 11 and 12 using the opening / closing damper 70.

That is, the hull 1 of the ship is not only manufactured in a form capable of minimizing the frictional force of the water, but also a lot of weight, so even when the propeller 3 is stopped, it is pushed out a very long distance by inertia, so that the ship is suddenly stopped. There was a problem that is very difficult to make, according to the present invention can shorten the downtime of the ship than conventional.

In relation to this, when the inlets 11 and 12 are closed by the opening / closing damper 70, as shown in FIG. 4, the water extends along the outer surface of the guide duct 40 protruding to the side of the hull 1. Since the vortex flows in an irregular shape, the resistance applied to the vessel is increased, and thus, the vessel can be stopped more effectively than before.

Also, as shown in FIGS. 2 and 4, the auxiliary inlet 11a is formed at the circumference of the front inlet 11, even when the inlets 11 and 12 are closed using the opening / closing damper 70. A certain amount of water is continuously introduced into the flow path 30 through the opening part 11b.

Therefore, when closing the inlets 11 and 12 with the opening and closing damper 70, the flow of water flowing through the flow path 30 is prevented from being suddenly stopped, and the shock is generated as the flow of water is suddenly stopped to open and close the damper ( 70) or the guide duct 40 and the propeller 3 has an advantage that can be prevented from being damaged.

In the present embodiment, the opening 11b is illustrated to be formed at the circumference of the front inlet 11, but the opening 11b is formed at the circumference of the auxiliary inlet 12 or the front inlet 12. Both the 11 and the peripheral portion of the auxiliary inlet 12 can be formed.

It is to be understood that the foregoing is merely illustrative of one preferred embodiment of the present invention and that modifications and variations may be made thereto without departing from the spirit of the invention.

1. Hull 2. Rotating shaft
3. Propellers 11,12. Inlet
20.Drain 30.Euro
40. Guide duct 50. Extension tube
60.Guide panel 70.Open/close damper

Claims (5)

In the propulsion device for ships comprising a rotary shaft (2) extending to the rear of the hull (1) and rotationally driven by the engine, and a propeller (3) coupled to the rotary shaft (2),
In the circumferential portion of the hull 1, an inflow port 11 and 12 opened to face the front of the hull 1 and a flow channel 30 having a drain hole 20 opened to face the rear of the hull 1 are formed. Equipped,
The inlet (11, 12) is configured to have a wider area than the drain 20,
The side surface of the hull 1 is provided with a guide duct 40 formed with the inlet (11, 12) in the front end and the middle portion,
The rear side of the guide duct 40 is extended to the rear side to cover the outside of the propeller (3) is connected to the extension pipe 50 is formed with the drain hole 20 in the rear end,
The flow path 30 is formed by the guide duct 40 and the extension pipe 50.
The guide duct 40 is formed of a plurality of stages, and the distance between one side end of the inlets 11 and 12 of each stage and the hull 1 increases toward the drain opening 20 side,
Each end of the guide duct 40 is formed with an inclined portion 41 protruding inclined in the lateral direction,
The rear end of the extension pipe 50 is further provided with a plurality of guide panels 60 are rotatably coupled in the direction of the center of the extension pipe 50,
By rotating the guide panel 60 can adjust the diameter of the drain 20 formed in the extension pipe 50,
Rotating opening and closing damper 70 is provided at the circumference of the inlet (11, 12),
Auxiliary inlet (11a) is formed in the circumference of the inlet (11, 12), the flow path 30 through the auxiliary inlet (11a) in the state inlet (11, 12) is closed by the opening and closing damper 70 Ship propulsion apparatus characterized in that the water can be introduced into the).
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KR2020120004760U 2012-06-05 2012-06-05 propulsion apparatus for ship KR200463687Y1 (en)

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KR2020120004760U KR200463687Y1 (en) 2012-06-05 2012-06-05 propulsion apparatus for ship

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160116067A (en) 2015-03-25 2016-10-07 조재진 Boat capable of perpendicular traveling
WO2019050096A1 (en) * 2017-09-07 2019-03-14 한광희 Ship azimuth thruster without wings exposed to outside

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2980378B2 (en) * 1995-04-28 1999-11-22 株式会社石垣 Ship water jet propulsion device
KR101103483B1 (en) * 2009-04-14 2012-01-09 이상민 motorboat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2980378B2 (en) * 1995-04-28 1999-11-22 株式会社石垣 Ship water jet propulsion device
KR101103483B1 (en) * 2009-04-14 2012-01-09 이상민 motorboat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160116067A (en) 2015-03-25 2016-10-07 조재진 Boat capable of perpendicular traveling
WO2019050096A1 (en) * 2017-09-07 2019-03-14 한광희 Ship azimuth thruster without wings exposed to outside

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