Bladeless sail

By designing leafless sails, using jet devices and centrifugal pumps to drive air cyclone pressurization, forming high-pressure airflow to boost the ship's advance, solving problems such as large leaf area, heavy weight, and difficulty in repair of traditional sails, improving wind energy utilization and boosting power.

CN119429055AInactive Publication Date: 2025-02-14DALIAN SHIPBUILDING INDUSTRY CO LTD
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Patent Information

Application Number
CN202411795498.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-02-14
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The traditional wing-shaped sail leaves have large area and weight, and the maintenance workload is also large, resulting in low wind energy utilization and increasing the fuel consumption of the ship.

Method used

A leafless sail is designed, and the injection device is fixed to the main deck through a base using a jet device. The injection device has an annular body and a honeycomb base wall. The air cyclone is driven to pressurize through a centrifugal pump, forming a high-pressure air flow discharged from the air outlet to help Push the ship forward.

Benefits of technology

The area and weight of the sail leaves are reduced, the maintenance workload is reduced, the wind energy utilization rate is improved, the wind power is increased by 15-20 times, and the boost power is increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

A bladeless sail is characterized in that a spraying device is fixed on a main deck through a base, the spraying device is provided with an annular main body, the annular main body comprises an inner shell and an outer shell, and the inner shell and the outer shell are connected through a connecting plate to form a hollow inner cavity. The base is provided with a honeycomb-shaped base wall, a centrifugal pump is fixed to the center in the base, a silencing cavity is formed above the centrifugal pump and fixed to the top of the base, and a drainage hole is formed in the top of the center of the silencing cavity and communicated with an air inlet in the bottom of the spraying device. Air is driven by an impeller of the centrifugal pump to enter the base through the honeycomb-shaped base wall, is pressurized by 15-20 times in a cyclone mode, is pushed to the drainage pipe on the top, enters the hollow inner cavity through the air inlet and is exhausted from the air outlet and the top air outlet. The area of the original sail blade can be greatly reduced, the maintenance workload of the sail blade can be effectively reduced, the weight can be reduced, the oil consumption can be reduced, the wind energy is improved by 15-20 times compared with the wind power of the original sail, and the boosting power is improved.
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Description

Technical Field

[0001] The invention belongs to the field of sail design and construction, and in particular relates to a bladeless sail. Background Art

[0002] In the context of green ship energy conservation and emission reduction, the sail booster has become the mainstream wind power booster equipment, providing clean energy auxiliary power for ships. However, the traditional wing-shaped sail blade has a large area and weight, and the maintenance workload is large. The weight of the sail blade increases fuel consumption and the wind energy utilization rate is low, which is the problem to be solved by the present invention.

[0003] A bladeless sail device suitable for ships is proposed, which can greatly reduce the sail blade area, reduce the maintenance workload, improve the utilization rate of wind energy, and assist the ship in propulsion and navigation. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a bladeless sail, the technical solution adopted by the present invention is: A bladeless sail, a jet device is fixed above the main deck through a base, the base wall is composed of a plurality of regular hexagons to form a honeycomb base wall, the jet device has an annular body, the annular body is vertically arranged, the middle part of the annular body is a straight section, and the two ends are arc sections, the annular body is composed of an inner shell and an outer shell, the inner shell and the outer shell are connected by a connecting plate, the inner shell and the outer shell form a hollow inner cavity, the inner side of the connecting plate is inclined toward the center to form an inclined surface, the inclination degree is 16°, a 1mm wide air outlet is opened on the surface of the connecting plate, an air inlet is arranged at the bottom of the annular body, and a top air outlet is arranged at the top.

[0005] A centrifugal pump is fixed at the inner center of the base, a rotating impeller is arranged on the top of the centrifugal pump, a silencer is fixed above the centrifugal pump, the silencer has a silencer cavity, a drainage pipe is connected to the center of the silencer cavity, the top of the drainage pipe is connected to the air outlet, the silencer cavity is located at the top of the base, and its diameter is the same as the diameter of the base, an inner flange is fixed at the top of the silencer cavity, an outer flange is fixed at the bottom of the injection device, and the inner flange matches the outer flange.

[0006] A gearbox is arranged on the upper surface of the outer flange, and a speed change shaft extends downward from the gearbox. The speed change shaft penetrates downward from the outer flange and extends into the inner flange. A gear is fixed at the bottom of the speed change shaft, and a rack is arranged on the inner surface of the inner flange, and the gear is meshed with the rack teeth.

[0007] Driven by the impeller of the centrifugal pump, the air enters the base through the honeycomb base wall, and is pressurized to 15~20 times by cyclone, pushed to the drainage pipe at the top, enters the hollow inner cavity through the air inlet, and is discharged from the air outlet and the top air outlet. The outer wall of the cylindrical base is provided with a regular hexagonal honeycomb air inlet, which is connected to the inner cavity of the base. Driven by the impeller of the centrifugal pump driven by the motor, the air enters the inner cavity of the base through the air inlet, and is pressurized to 15~20 times by cyclone, pushed to the silencer at the top, through the drainage pipe, and through the 3mm air inlet into the injection device. High-pressure air rises in the inner cavity and is discharged from the 1mm air outlet along the diversion direction. The air outlet forms an air pressure difference, which drives the air flow and helps the ship move forward.

[0008] The above-mentioned bladeless sail, further, has a conical reinforcing fixing plate arranged between the bottom of the jet device and the outer flange.

[0009] The bladeless sail described above, further, has an input pump and a control module fixed on the upper surface of the outer flange, the input pump and the control module are connected through a hydraulic oil pipe, the control module is supported on the outer flange through a bracket, the control module is connected to an output pump through a hydraulic oil pipe, and the output pump is connected to the speed change shaft. The input pump and the control module are connected through a hydraulic oil pipe, and the control module and the output pump are connected through two hydraulic pipes. The center of the output pump is connected to the gear through a shaft, and the gear is meshed with the inner flange for transmission. The glycerin injection port is located on the side of the sliding bearing, which is lubricated by a round steel column.

[0010] The bladeless sail mentioned above further has a circle of reinforcement welded on the lower surface of the main deck along the circumference of the base, and the reinforcement is aligned with the base.

[0011] The above-mentioned bladeless sail, further, has an air inlet with a diameter of 3 mm.

[0012] The above-mentioned bladeless sail, further, has a centrifugal pump fixed on the main deck inside the base, and the centrifugal pump has a first motor inside and is driven by the first motor.

[0013] In the above-mentioned bladeless sail, further, the input pump is connected to a second motor.

[0014] The present invention can greatly reduce the original sail blade area, effectively reduce the maintenance workload of the sail blade, and reduce the weight to reduce fuel consumption. The narrow outlet size design, the outlet with a width of 1m is combined with a 16° inclined connecting plate to generate maximum airflow. The bladeless sail increases the wind energy by 15-20 times compared with the original sail, and improves the boost power. The bladeless sail can rotate horizontally to receive the maximum wind force.

[0015] The small air inlet holes in the form of hexagonal honeycomb are designed to increase the air intake volume, and the control system can be stopped at any time during the rotation process.

[0016] The hydraulic valve remote control system ensures that the rotation rate, direction, start and stop are controllable, which can ensure the low-speed rotation of the equipment, reserve emergency avoidance reaction time for personnel, and avoid the safety hazard of personnel being hit by objects when the equipment is running. The design of the present invention utilizes sliding bearings to cleverly solve the contradiction between the steering movement of the bladeless sail device and the relative stillness of the main deck surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the bladeless sail of the present invention; Figure 2 This is a schematic diagram of the connecting plate tilted 16°; Figure 3 It is a schematic diagram of the top view of the structure of the gear and the inner flange rack teeth meshing; Figure 4 It is a schematic diagram of the working principle of a centrifugal pump; Figure 5 It is a flow diversion diagram; Wherein: 1-injection device, 2-base, 3-main deck, 4-inner shell, 5-outer shell, 6-air outlet, 7-top air outlet, 8-air inlet, 9-centrifugal pump, 10-connecting plate, 11-impeller, 12-silence cavity, 13-inner flange, 14-outer flange, 15-drainage pipe, 16-gearbox, 17-speed shaft, 18-gear, 19-rack, 20-control module, 21-input pump, 22-output pump, 23-first motor, 24-second motor. DETAILED DESCRIPTION

[0018] The present invention will be further described in conjunction with the accompanying drawings.

[0019] A bladeless sail, such as Figure 1 , 2 As shown, the injection device is fixed above the main deck through a base. On the lower surface of the main deck, a circle of reinforcement is welded along the circumference of the base, and the reinforcement is aligned with the base. The base wall is composed of multiple regular hexagons to form a honeycomb base wall. The injection device has an annular body, which is vertically arranged. The middle part of the annular body is a straight section, and the two ends are arc sections. The annular body is composed of an inner shell and an outer shell. The inner shell and the outer shell are connected by a connecting plate. The inner shell and the outer shell form a hollow inner cavity. The inner side of the connecting plate is inclined toward the center to form an inclined surface with an inclination of 16°. A 1mm wide air outlet is opened on the surface of the connecting plate. An air inlet with a diameter of 3mm is arranged at the bottom of the annular body, and a top air outlet is arranged at the top.

[0020] A centrifugal pump is fixed at the center of the base, and the centrifugal pump is fixed on the main deck inside the base. The centrifugal pump is provided with a first motor inside and driven by the first motor. A rotating impeller is provided at the top of the centrifugal pump, and a silencer is fixed above the centrifugal pump. The silencer has a silencer cavity, and a drainage pipe is connected to the center of the silencer cavity. The top of the drainage pipe is connected to the air outlet. The silencer cavity is located at the top of the base, and its diameter is the same as the diameter of the base. An inner flange is fixed at the top of the silencer cavity, and an outer flange is fixed at the bottom of the injection device. A conical reinforcing fixing plate is provided between the bottom of the injection device and the outer flange, and the inner flange matches the outer flange.

[0021] A gearbox is arranged on the upper surface of the outer flange, and a gearbox has a gear shaft extending downwardly, and the gear shaft penetrates downwardly through the outer flange and extends into the inner flange. Figure 3 As shown, a gear is fixed at the bottom of the speed change shaft, a rack is arranged on the inner surface of the inner flange, and the gear is meshed with the rack teeth.

[0022] Driven by the impeller of the centrifugal pump, the air enters the base through the honeycomb base wall, and is pressurized to 15~20 times by cyclone, pushed to the drainage pipe at the top, enters the hollow inner cavity through the air inlet, and is discharged from the air outlet and the top air outlet. The outer wall of the cylindrical base is provided with a regular hexagonal honeycomb air inlet, which is connected to the inner cavity of the base. Driven by the impeller of the centrifugal pump driven by the motor, the air enters the inner cavity of the base through the air inlet, and is pressurized to 15~20 times by cyclone, pushed to the silencer at the top, through the drainage pipe, and enters the injection device through the 3mm air inlet. The high-pressure air rises in the inner cavity and is discharged from the 1mm air outlet along the diversion direction. The air outlet forms an air pressure difference, which drives the air flow and helps the ship move forward.

[0023] An input pump and a control module are fixed on the upper surface of the outer flange. The input pump and the control module are connected through a hydraulic oil pipe. The control module is supported on the outer flange through a bracket. The control module is connected to an output pump through a hydraulic oil pipe, and the output pump is connected to the speed change shaft. The input pump and the control module are connected through a hydraulic oil pipe, and the control module and the output pump are connected through two hydraulic pipes. The center of the output pump is connected to the gear through a shaft, and the gear is meshed with the inner flange for transmission. The glycerin injection port is located on the side of the sliding bearing and is lubricated by a round steel column. The input pump is connected to a second motor.

[0024] The outer wall of the cylindrical base is provided with a regular hexagonal honeycomb air inlet, which is connected to the inner cavity of the base. Driven by the impeller of the centrifugal pump driven by the motor, the air enters the inner cavity of the base through the air inlet, and is cyclonically pressurized to 15-20 times, pushed to the silencer at the top, and enters the injection device through the drainage pipe and the 3mm narrow slit. The high-pressure air rises in the inner cavity and is discharged from the 1mm outlet along the diversion direction, such as Figure 5 The air outlet forms an air pressure difference, which drives the air flow and helps the ship move forward.

Claims

1. A bladeless sail, characterized in that: The injection device (1) is fixed above the main deck (3) through a base (2). The base wall is composed of a plurality of regular hexagons to form a honeycomb base wall. The injection device has an annular main body, which is arranged vertically. The middle part of the annular main body is a straight section, and the two ends are arc sections. The annular main body is composed of an inner shell (4) and an outer shell (5). The inner shell and the outer shell are connected by a connecting plate (10). The inner shell and the outer shell form a hollow inner cavity. The inner side of the connecting plate is inclined toward the center to form an inclined surface with an inclination of 16°. A 1 mm wide air outlet (6) is opened on the surface of the connecting plate. An air inlet (8) is arranged at the bottom of the annular main body, and a top air outlet (7) is arranged at the top. A centrifugal pump (9) is fixed at the center of the base, a rotating impeller (11) is arranged at the top of the centrifugal pump, a silencer is fixed above the centrifugal pump, the silencer has a silencer cavity (12), a drainage pipe (15) is connected at the center of the silencer cavity, the top of the drainage pipe is connected to the air outlet, the silencer cavity is located at the top of the base, and its diameter is the same as the diameter of the base, an inner flange (13) is fixed at the top of the silencer cavity, an outer flange (14) is fixed at the bottom of the injection device, and the inner flange matches the outer flange; A gearbox (16) is arranged on the upper surface of the outer flange, a gearbox has a gear shaft (17) extending downwardly from the gearbox, the gear shaft penetrates downwardly through the outer flange and extends into the inner flange, a gear (18) is fixed at the bottom of the gear shaft, a rack (19) is arranged on the inner surface of the inner flange, and the gear and the rack teeth are meshed; Driven by the impeller of the centrifugal pump, the air enters the base through the honeycomb base wall, and is pressurized to 15 to 20 times by the cyclone, pushed to the drainage pipe on the top, enters the hollow inner cavity through the air inlet, and is discharged from the air outlet and the top outlet.

2. A bladeless sail according to claim 1, characterized in that: A conical reinforcing fixing plate is arranged between the bottom of the injection device and the outer flange.

3. The bladeless sail according to claim 1, characterized in that: An input pump (21) and a control module (20) are fixed on the upper surface of the outer flange. The input pump and the control module are connected via a hydraulic oil pipe. The control module is supported on the outer flange via a bracket. The control module is connected to an output pump (22) via a hydraulic oil pipe. The output pump is connected to the speed change shaft.

4. The bladeless sail according to claim 1, characterized in that: On the lower surface of the main deck, a circle of reinforcement is welded along the circumference of the base, and the reinforcement is aligned with the base.

5. The bladeless sail according to claim 1, characterized in that: The diameter of the air inlet is 3mm.

6. The bladeless sail according to claim 1, characterized in that: The centrifugal pump is fixed on the main deck inside the base, and a first motor (23) is provided inside the centrifugal pump, which is driven by the first motor.

7. The bladeless sail according to claim 1, characterized in that: The input pump is connected to a second motor (24).

Citation Information

Patent Citations

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    CN101825106A

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