CN108773469A - Hydraulic jet propulsion is without rudder drag reduction boat - Google Patents
Hydraulic jet propulsion is without rudder drag reduction boat Download PDFInfo
- Publication number
- CN108773469A CN108773469A CN201810722545.1A CN201810722545A CN108773469A CN 108773469 A CN108773469 A CN 108773469A CN 201810722545 A CN201810722545 A CN 201810722545A CN 108773469 A CN108773469 A CN 108773469A
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- CN
- China
- Prior art keywords
- hull
- centrifugal pump
- shell
- pump
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 239000002352 surface water Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H19/00—Marine propulsion not otherwise provided for
- B63H19/02—Marine propulsion not otherwise provided for by using energy derived from movement of ambient water, e.g. from rolling or pitching of vessels
- B63H19/04—Marine propulsion not otherwise provided for by using energy derived from movement of ambient water, e.g. from rolling or pitching of vessels propelled by water current
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
- Y02T70/5218—Less carbon-intensive fuels, e.g. natural gas, biofuels
- Y02T70/5236—Renewable or hybrid-electric solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of hydraulic jet propulsions without rudder drag reduction boat, contains hull (1), propulsion device and power plant.Hull (1) centrifugal pump (3) hydraulic jet propulsion, expands the application range of centrifugal pump (3)；The resistance that the application of the structure collaboration bernoulli principle of the inclined surface water inlet (7a) makes hull (1) receive on suction hose (7) reduces；No rudder on hull (1), but still can be allowed to turn to, and reduce resistance；Hydraulic jet propulsion greatly reduces harm caused by organism in water；Filter screen is installed on the water inlet (7a) of suction hose (7) and scraper plate, the floating material being adsorbed on filter screen can in time be wiped off by scraper plate, centrifugal pump (3) reliable operation, long lifespan；Propulsion device is not only simple in structure, and as multiple functions such as propulsion, drag reduction, steering and protection organisms in water, reasonable design is compact-sized, makes the best use of everything；The present invention goes back portable for guided missile and deep-sea detecting utensil in submarine, torpedo, water, has a extensive future.
Description
Technical field
The present invention relates to a kind of hydraulic jet propulsions without rudder drag reduction boat, especially hydraulic jet propulsion, ship resistance is small, water spray without rudder
It promotes without rudder drag reduction boat.
Background technology
Ship emerges thousands of years, and to Mechanical Driven, bow uses streamline structure for manpower driving, be all huge technology into
Step.
Modern ships can or can not enough further decrease the resistance of water, need to be explored.
The use of rudder increases resistance although hull can be made to turn to, and has much room for improvement.
Modern ships especially large ship is promoted using propeller, and organism in water encounters propeller and is mostly smashed to pieces,
It is extremely uncoordinated with preserving the ecological environment for modern civilization promotion, need to be innovated.
Invention content
The technical problem to be solved in the present invention is to provide a kind of hydraulic jet propulsion, ship resistance is small, hydraulic jet propulsion without rudder without
Rudder drag reduction boat.
In order to solve the above technical problems, the technical scheme is that：
A kind of hydraulic jet propulsion contains hull, propulsion device and power plant without rudder drag reduction boat.
The power plant, or be motor, or be gasoline engine, or be diesel engine, or be steam engine, or be steam turbine, or
For gas turbine, or it is nuclear device, or is combined unit.
There is no rudder on the hull.
The propulsion device is public centrifugal pump；The centrifugal pump is by pump case, impeller, pump shaft, suction hose and pressure pipe group
It is integral.
Two centrifugal pumps are separately mounted on the hull rear end of one of first side of a ship both sides shell, no matter the hull load-carrying whether
The two centrifugal pumps are respectively positioned on the lower section of the hull institute floatation surface；Pump shaft does not stretch out the outer lateral of the pump case of side on centrifugal pump
The interior lateral face of the shell in face and corresponding position snugly links together.
The suction hose of each centrifugal pump, its rear end snugly pass perpendicularly through the shell of the hull of corresponding position,
It is bent forward after being pierced by from shell and is close to the outer side of shell to stretching out forward；The suction hose of extension, axis water
It is flat, from rear to preceding gradually flat in vertical direction, snugly it is connect in contact position with the shell of corresponding position,
Water inlet is vertical inclined surface, and the inclined surface and the angle of corresponding position shell are less than 90 °.
The pressure pipe of each centrifugal pump is pipe, is snugly tilted towards outer rear direction being somebody's turn to do across corresponding position
The shell of hull；The pressure pipe outside shell, the outer lateral face for being close to the shell of the hull of corresponding position are horizontal
It stretches out, is snugly connect in contact position with the shell of corresponding position backward, water jet is disc.
Pump shaft on each centrifugal pump passes through the pump case on the inside of the centrifugal pump and is stretched out towards the middle part of the hull.
The impeller being mounted on each centrifugal pump on pump shaft, or be single stage type, or be multi-stag.
The power plant is respectively that the rotation of the upper pump shaft of one of two centrifugal pumps provides power.
When the pump shaft rotation on power plant driving centrifugal pump, which drives impeller synchronous rotary thereon, hull
Outer water is along the outer lateral surface current of shell on the hull first side of a ship of the centrifugal pump homonymy into the suction hose on the centrifugal pump, the impeller
After being allowed to acceleration, sprayed from the pressure pipe high speed of the centrifugal pump, spraying the reaction force of flow makes the hull that resistance be overcome to advance
Or accelerate；During the hydraulic pressure in the front of the centrifugal pump homonymy is entered the suction hose by atmospheric pressure, the relative velocity of these water
Increase, these water largely flow through the outer lateral face of the head side of a ship shells of homonymy, and according to bernoulli principle, the pressure of these water subtracts
It is small, thus the resistance of the hull is reduced；When the power of two centrifugal pumps on the hull is equal, the hull is along straight ahead,
When the power of the two centrifugal pumps is unequal, the bow of the hull is turned to the side of the small centrifugal pump of power, thus the hull
On do not fill rudder and can allow it and turn to；There is no rudder on the hull, is further decreased by resistance.
In order to enable centrifugal pump to work normally, covering installation filter screen and can edge on the water inlet of suction hose on centrifugal pump
The scraper plate of the filter screen reciprocating rotation, the scraper plate wipe the floating material being adsorbed on the filter screen off in time.
After such structure, the reaction force for the high-velocity flow that pressure pipe sprays backward on centrifugal pump makes hull overcome
Resistance advances or accelerates, and centrifugal pump becomes propulsion device, expands the application range of centrifugal pump.Centrifugal pump is used to promote, and is
One of the important innovations of the present invention.
After such structure, since the inclined surface of the water inlet of suction hose and the angle of corresponding position shell are less than
90 °, the outer lateral face of homonymy head side of a ship shells is flowed through into most of water of suction hose, flows through the outer lateral face of first side of a ship shell these
The relative velocity of water increases, and according to bernoulli principle, the pressure of these water reduces, thus reduces to the resistance of hull.Water inlet
The resistance that the application of the structure collaboration bernoulli principle of inclined surface makes hull receive reduces, this is the two of important innovations of the invention.
After such structure, when the power of two centrifugal pumps on hull is equal, the hull is along straight ahead, when this
The bow of the hull is turned to the side of the small centrifugal pump of power when the power of two centrifugal pumps is unequal, thus on the hull not
Fill rudder.There is no rudder, resistance to further decrease on hull.Although without rudder on hull, but still can be allowed to turn to, and reduce resistance
Power, this is the three of the important innovations of the present invention.
After such structure, hull is due to using hydraulic jet propulsion, significantly to fatal harm caused by organism in water
Reduce, is promoted compared with propeller much better.
After such structure, due to covering installation filter screen and can be along the mistake on the water inlet of suction hose on centrifugal pump
The scraper plate of strainer reciprocating rotation, the floating material being adsorbed on filter screen can in time be wiped off by scraper plate, the rain brush being similar on automobile
The rainwater on windshield is wiped off in time in time, thus centrifugal pump reliable operation, long lifespan.
After such structure, not only propulsion device is simple in structure, and as propulsion, drag reduction, steering and protection water
Multiple functions such as middle biology, reasonable design is compact-sized, makes the best use of everything.
After such structure, the present invention goes back portable and is used for guided missile and deep-sea detecting utensil in submarine, torpedo, water,
It has a extensive future.
Description of the drawings
Specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram that two centrifugal pumps are installed on hull.
Specific implementation mode
As shown in Figure 1, a kind of hydraulic jet propulsion contains hull 1, propulsion device and power plant without rudder drag reduction boat.
The power plant, or be motor, or be gasoline engine, or be diesel engine, or be steam engine, or be steam turbine, or
For gas turbine, or it is nuclear device, or is combined unit.
There is no rudder on the hull 1.
As shown in Figure 1, the propulsion device is public centrifugal pump 3.The centrifugal pump 3 is by pump case 4, impeller 5, pump shaft 6, suction
8 groups of water pipe 7 and pressure pipe are integral.
As shown in Figure 1, two centrifugal pumps 3 are separately mounted to the rear end of one of 2 both sides of first side of a ship shell on the hull 1, no matter
The two centrifugal pumps 3 are respectively positioned on the lower section of 1 floatation surface of hull whether 1 load-carrying of hull；Pump shaft 6 is not stretched on centrifugal pump 3
The interior lateral face of the outer lateral face for the pump case 4 for going out side and the shell of corresponding position snugly links together.
As shown in Figure 1, the suction hose 7 of each centrifugal pump 3, its rear end snugly passes perpendicularly through being somebody's turn to do for corresponding position
The shell of hull 1 is bent forward after being pierced by from shell and is close to the outer side of shell to stretching out forward.The water suction of extension
Pipe 7, axis horizontal, from rear to preceding gradually flat in vertical direction, with the shell of corresponding position in contact position with close-fitting
Conjunction mode connects, and water inlet 7a is vertical inclined surface, and the inclined surface and the angle of corresponding position shell are less than 90 °.
As shown in Figure 1, the pressure pipe 8 of each centrifugal pump 3 is pipe, snugly it is tilted towards outer rear direction and passes through
The shell of the hull 1 of corresponding position.The pressure pipe 8 outside shell, is close to the shell of the hull 1 of corresponding position
Outer lateral face horizontal direction after stretch out, snugly connect in contact position with the shell of corresponding position, water jet 8a
For disc.
As shown in Figure 1, the pump shaft 6 on each centrifugal pump 3 passes through the pump case 4 of 3 inside of centrifugal pump and towards the hull 1
Middle part is stretched out.
As shown in Figure 1, being mounted on the impeller 5 on pump shaft 6 on each centrifugal pump 3, or it is single stage type, or is multi-stag.
As shown in Figure 1, the rotation that the power plant is respectively pump shaft 6 on one of two centrifugal pumps 3 provides power.
As shown in Figure 1, when the pump shaft 6 on power plant driving centrifugal pump 3 rotates, which drives impeller 5 thereon
Synchronous rotary, water outside hull 1 is along the outer lateral surface current of shell on the first side of a ship 2 of hull 1 of 3 homonymy of centrifugal pump into the centrifugal pump
Suction hose 7 on 3 after the impeller 5 is allowed to acceleration, sprays at a high speed from the pressure pipe 8 of the centrifugal pump 3, sprays the reaction of flow
Power makes the hull 1 that resistance be overcome to advance or accelerate.The hydraulic pressure in the front of 3 homonymy of centrifugal pump is entered the suction hose 7 by atmospheric pressure
During, the relative velocity of these water increases, these water largely flow through the outer lateral face of 2 shell of the head sides of a ship of homonymy, root
According to bernoulli principle, the pressure of these water reduces, thus reduces to the resistance of the hull 1.When two centrifugal pumps on the hull 1
The hull 1 is along straight ahead when 3 power is equal, and when the power of the two centrifugal pumps 3 is unequal, the bow of the hull 1 is to work(
The side of the small centrifugal pump 3 of rate turns to, thus not filling rudder also on the hull 1 can allow it to turn to；There is no rudder on the hull 1, by
Resistance further decreases.
As shown in Figure 1, in order to enable centrifugal pump 3 to work normally, covered on the water inlet 7a of suction hose 7 on centrifugal pump 3
Filter screen is installed and can be scraped the floating material being adsorbed on the filter screen in time along the scraper plate of the filter screen reciprocating rotation, the scraper plate
Fall.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing.The present invention is not limited to above-mentioned embodiment party
Formula, technical field those of ordinary skill within the scope of knowledge, make without departing from the purpose of the present invention
The various change gone out, still falls within the scope of the present invention.
Claims (2)
1. a kind of hydraulic jet propulsion contains hull (1), propulsion device and power plant without rudder drag reduction boat；
The power plant is motor, or is gasoline engine, or is diesel engine, or is steam engine, or is steam turbine, or is combustion
Gas-turbine, or be nuclear device, or be combined unit；
It is characterized in that：
No rudder on the hull (1)；
The propulsion device is centrifugal pump (3)；The centrifugal pump (3) is by pump case (4), impeller (5), pump shaft (6), suction hose (7)
It is organized with pressure pipe (8) integral；
Two centrifugal pumps (3) are separately mounted on the hull (1) rear end of one of the first side of a ship (2) both sides shell, no matter the ship
The two centrifugal pumps (3) are respectively positioned on the lower section of the hull (1) institute floatation surface whether body (1) load-carrying；Pump shaft on centrifugal pump (3)
(6) the interior lateral face of the outer lateral face without the pump case (4) of stretching side and the shell of corresponding position snugly connects
Together；
The suction hose (7) of each centrifugal pump (3), its rear end snugly passes perpendicularly through the hull (1) of corresponding position
Shell, be bent after being pierced by from shell forward and be close to the outer side of shell to stretching out forward；The suction hose of extension
(7), axis horizontal, from rear to preceding gradually flat in vertical direction, with the shell of corresponding position in contact position with close-fitting
Conjunction mode connects, and water inlet (7a) is vertical inclined surface, and the inclined surface and the angle of corresponding position shell are less than 90 °；
The pressure pipe (8) of each centrifugal pump (3) is pipe, is snugly tilted towards outer rear direction across corresponding position
The shell of the hull (1)；The pressure pipe (8) outside shell is close to the ship of the hull (1) of corresponding position
It stretches out, is snugly connect in contact position with the shell of corresponding position, water jet after the outer lateral face horizontal direction of shell
(8a) is disc；
Pump shaft (6) on each centrifugal pump (3) passes through the pump case (4) on the inside of the centrifugal pump (3) and towards the hull (1)
Middle part is stretched out；
The impeller (5) being mounted on each centrifugal pump (3) on pump shaft (6), or be single stage type, or be multi-stag；
The power plant is respectively that the rotation of the upper pump shaft (6) of one of two centrifugal pumps (3) provides power；
When pump shaft (6) rotation on power plant driving centrifugal pump (3), the pump shaft (6) drives impeller (5) thereon synchronous
Rotation, the water of hull (1) outside is along the outer lateral surface current of the first side of a ship (2) shell of hull (1) of the centrifugal pump (3) homonymy into described
Suction hose (7) on centrifugal pump (3), after the impeller (5) is allowed to acceleration, from the water spray of pressure pipe (8) on the centrifugal pump (3)
Mouth (8a) high speed sprays, and sprays the reaction force of flow and makes the hull (1) that resistance be overcome to advance or accelerate；Atmospheric pressure is by institute
State the front of centrifugal pump (3) homonymy hydraulic pressure enter the suction hose (7) during, the relative velocities of these water increases, these
Water largely flows through the outer lateral face of the described first side of a ship (2) shell of homonymy, and according to bernoulli principle, the pressure of these water reduces,
Thus the resistance of the hull (1) is reduced；The hull when the power of upper two centrifugal pumps (3) of the hull (1) is equal
(1) along straight ahead, when the power of the two centrifugal pumps (3) is unequal, the bow of the hull (1) is to the small centrifugation of power
The side for pumping (3) turns to, thus not filling rudder also on the hull (1) can allow it to turn to；No rudder on the hull (1), by
Resistance further decreases.
2. hydraulic jet propulsion is without rudder drag reduction boat according to claim 1, it is characterised in that：
Covering installation filter screen and can be along the filter screen reciprocating rotation on the water inlet (7a) of suction hose (7) on centrifugal pump (3)
Scraper plate, the scraper plate wipes the floating material being adsorbed on the filter screen off in time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722545.1A CN108773469B (en) | 2018-06-26 | 2018-06-26 | Water jet propulsion rudderless drag reduction ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810722545.1A CN108773469B (en) | 2018-06-26 | 2018-06-26 | Water jet propulsion rudderless drag reduction ship |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108773469A true CN108773469A (en) | 2018-11-09 |
| CN108773469B CN108773469B (en) | 2020-01-17 |
Family
ID=64030874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810722545.1A Active CN108773469B (en) | 2018-06-26 | 2018-06-26 | Water jet propulsion rudderless drag reduction ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108773469B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406644A (en) * | 2019-09-04 | 2019-11-05 | 镇江麒麟船舶设备有限公司 | A kind of apparatus for preventing marine organisms for ship |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0830285A1 (en) * | 1995-06-07 | 1998-03-25 | JESWINE, William W. | A fluid propulsion system for accelerating and directionally controlling a fluid |
| CN1270910A (en) * | 1999-04-17 | 2000-10-25 | 李树厚 | Rudder-free pump boat |
| US6561857B1 (en) * | 2001-08-10 | 2003-05-13 | Romer Mass | Hump boat |
| CN101104439A (en) * | 2006-07-10 | 2008-01-16 | 般若科技股份有限公司 | High efficiency watercraft propulsion system |
| CN101456446A (en) * | 2007-12-11 | 2009-06-17 | 曹玉臣 | Fluid negative pressure potential power machine |
| CN202728558U (en) * | 2012-06-06 | 2013-02-13 | 侯成达 | Hull bottom forward jet flow fast ship |
| CN103863541A (en) * | 2014-04-02 | 2014-06-18 | 罗树基 | Ship propulsion system |
| CN206623966U (en) * | 2017-04-11 | 2017-11-10 | 上海水域环境发展有限公司 | Hydraulic jet propulsion water surface cleaning boat |
-
2018
- 2018-06-26 CN CN201810722545.1A patent/CN108773469B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0830285A1 (en) * | 1995-06-07 | 1998-03-25 | JESWINE, William W. | A fluid propulsion system for accelerating and directionally controlling a fluid |
| CN1270910A (en) * | 1999-04-17 | 2000-10-25 | 李树厚 | Rudder-free pump boat |
| US6561857B1 (en) * | 2001-08-10 | 2003-05-13 | Romer Mass | Hump boat |
| CN101104439A (en) * | 2006-07-10 | 2008-01-16 | 般若科技股份有限公司 | High efficiency watercraft propulsion system |
| CN101456446A (en) * | 2007-12-11 | 2009-06-17 | 曹玉臣 | Fluid negative pressure potential power machine |
| CN202728558U (en) * | 2012-06-06 | 2013-02-13 | 侯成达 | Hull bottom forward jet flow fast ship |
| CN103863541A (en) * | 2014-04-02 | 2014-06-18 | 罗树基 | Ship propulsion system |
| CN206623966U (en) * | 2017-04-11 | 2017-11-10 | 上海水域环境发展有限公司 | Hydraulic jet propulsion water surface cleaning boat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110406644A (en) * | 2019-09-04 | 2019-11-05 | 镇江麒麟船舶设备有限公司 | A kind of apparatus for preventing marine organisms for ship |
| CN110406644B (en) * | 2019-09-04 | 2024-04-02 | 镇江麒麟船舶设备有限公司 | Marine organism prevention device for ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108773469B (en) | 2020-01-17 |
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Address after: 422800 No.4, floor 2, building 16, No.66 Dongfeng Road, Liangshi Town, Shaodong City, Hunan Province Patentee after: Li Xinya Address before: Seven road 528437 in Guangdong Province, Zhongshan Torch Development Zone No. 113 fraternity homes 1 building 1407 room Lily Patentee before: Li Xinya |
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Effective date of registration: 20201119 Address after: Block b-1-5-2, chonglan Industrial Park, Dongxing City, Fangchenggang City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Dongxing Jianye kitchenware Manufacturing Co., Ltd Address before: 422800 No.4, floor 2, building 16, No.66 Dongfeng Road, Liangshi Town, Shaodong City, Hunan Province Patentee before: Li Xinya |
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