CN105216997B - Marine paddle type propeller device - Google Patents
Marine paddle type propeller device Download PDFInfo
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- CN105216997B CN105216997B CN201510740421.2A CN201510740421A CN105216997B CN 105216997 B CN105216997 B CN 105216997B CN 201510740421 A CN201510740421 A CN 201510740421A CN 105216997 B CN105216997 B CN 105216997B
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- Prior art keywords
- blade
- straight line
- sliding chutes
- limit sliding
- propeller system
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- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000001141 propulsive effect Effects 0.000 claims description 19
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention discloses a marine paddle type propeller device. The marine paddle type propeller device comprises two layers of parallel supports, chain wheels, chains, a power device and a propelling force control mechanism (further comprises a plurality of propelling mechanisms and two propelling direction control devices). Each propelling mechanism comprises a blade, a blade rotating shaft, two bearings and a set of blade limiting wheels, wherein the two bearings are fixed to all the layers of chains respectively, the blade is fixed to the blade rotating shaft, the blade limiting wheels are fixed to the blade rotating shaft through connecting rods, and the blade limiting wheels are located on the two sides of the blade respectively. The propelling direction control device comprises two parallel linear limiting chutes, and the blade limiting wheels slide in the motion direction of the chains with one linear limiting chute serving as a rail. The problems that an existing marine propeller is low in paddling efficiency and high in energy consumption cost can be solved through the marine paddle type propeller device.
Description
Technical field
The present invention relates to the propulsion plant of ship, and in particular to a kind of paddle propeller system peculiar to vessel.
Background technology
With global economic integration, the shipping business in the whole world is greatly increased, and at present the cost fuel of shipping business is accounted for
About 50% or so, who is reduced, and fuel cost is more, who is just commercially more competitive, places onself in an invincible position in freight market
Ground.At present, ship's propeller is typically mostly propeller set on market, during screw rotation forces current, peripheral speed
The speed of propeller center is far longer than, thrust is occurred mainly with where edge, and blade area utilization rate is relatively low.And
On the premise of identical blade area, the rotation linear velocity of propeller blade is inversely proportional to the efficiency of striking of screw.Produce
If same thrust, and improve and strike efficiency and strike area it is necessary to increase screw, reduce rotating linear velocity.It is existing
The peripheral speed of propeller set blade is very high, allows most of energy to be taken away by rapid stream behind ship, greatly reduces
The efficiency of striking of screw propeller.The rotating speed and screw for producing equivalent thrust screw effectively strikes what area was inversely proportional to,
The purpose that rotating speed improves efficiency of striking can be reduced by way of area is effectively struck in increase in theory.But, by
Structure problem itself and the impact of shipping draft in screw, propeller blade can not possibly be accomplished very big.
In addition, there is voith schneider propeller on market, voith schneider propeller is intended only as the auxiliary power of high maneuverability, increases ship
The mobility of oceangoing ship, is not intended as the active force of ship.Voith schneider propeller adopts airfoil fan, and using lift motive force is produced,
Its blade is circled, and the control to direction blade is completed by gear and cam mechanism, complex structure, and reliability is not
Height, and voith schneider propeller volume is larger.
In sum, existing propeller exist strike the less efficient, cost that causes ship in terms of energy resource consumption compared with
High problem.
The content of the invention
The invention provides a kind of paddle propeller system peculiar to vessel, to solve the effect of striking that existing ship's propeller is present
Rate is relatively low, the higher problem of energy consumption cost.
The invention discloses following technical scheme：
Paddle propeller system peculiar to vessel, it is characterised in that including two-layer parallel bracket, sprocket wheel, chain, power set and push away
Enter power controlling organization；Two ends on the two-layer parallel bracket length direction are respectively provided with the sprocket wheel, the chain respectively with respectively
Two sprocket wheels on layer support coordinate, and the power set drive the sprocket wheel rotating in same direction；
The feeding force control mechanism, including some groups of propulsive mechanisms and two groups of direction of propulsion control devices, the propulsion
Direction-control apparatus are separately positioned on the both sides of the propulsive mechanism；
The each group propulsive mechanism includes blade, blade rotary shaft, two bearings and one group of blade limited roller, described
Two bearings are separately fixed on each layer chain, and the blade rotary axle box is located in described two bearings, the blade
It is fixed in the blade rotary shaft, the blade limited roller is fixed in the blade rotary shaft respectively by connecting rod,
And the blade limited roller is respectively positioned at the both sides of the blade；
The direction of propulsion control device includes two parallel straight line limit sliding chutes, and the blade limited roller is with wherein
Straight line limit sliding chutes be track along the chain moving direction slide, the straight line limit sliding chutes with the support
Length direction is parallel.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the direction of propulsion control device also includes limit sliding chutes
Mobile device, the limit sliding chutes mobile device connects on the bracket, for adjusting the limit sliding chutes relative to described
The distance of chain.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the limit sliding chutes mobile device is that screw mandrel or hydraulic pressure are filled
Put.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the blade rotary shaft keeps and horizontal plane.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, between described two parallel straight line limit sliding chutes away from
From more than the air line distance between one group of blade limited roller.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the central shaft of the sprocket wheel runs through parallel of the two-layer
Two ends on frame length direction, the sprocket wheel is around the central shaft rotating in same direction.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the length of the straight line limit sliding chutes is equal or close to
Horizontal range between the central shaft.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the blade is rectangular paddle.
Preferably, in above-mentioned paddle propeller system peculiar to vessel, the connecting rod is elastic component.
From above technical scheme, the angle of rake course of work of paddle peculiar to vessel that the present invention is provided is：It is bilevel
Chain is rotated under the drive of sprocket wheel, then drives the bearing movable being fixed on chain, so as to cause blade group to start to turn
It is dynamic,.Because blade rotary shaft is set in two metal (uppers, therefore, when propeller runs into the resistance of water, blade meeting
Rotation is produced while rotating with chain, it is impossible to ship is provided motive force is provided.Based on the problems referred to above, using limited roller and
The cooperation of straight line limit sliding chutes causing when blade group turns to the position between two sprocket wheels, the rotational angle energy quilt of blade
The angle for needing is constrained to, in the presence of current, larger propulsive force is provided for ship similar to paddle, produce our needs
Direction on thrust.And when blade turns to the turning of chain, because the spacing cunning of limited roller and straight line of blade
Groove cannot be contacted, so as to blade can be rotated freely, direction blade is almost parallel with water (flow) direction, hardly by resistance not
Produce propulsive force, when blade turns over sprocket wheel, reenters linear motion, limited roller again with the spacing cunning of the straight line of another side
Groove, so as to the angle for ensureing blade to set is advanced, produces thrust forward to cooperation, goes round and begins again.
It can be seen that, the paddle propeller system peculiar to vessel that the present invention is provided, due to architectural characteristic, greatly increases angle of rake work
Area, in the case where mutually equal thrust is produced, can substantially reduce the movement velocity of propeller blade, after reducing propeller
Go out water speed, such that it is able to the propulsive force by the use of most power as ship, it is possible to increase efficiency of striking, reduce energy and disappear
Consumption, that is, can solve the problem that the problem that prior art is present.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the embodiment of the present invention, below will be attached to what is used required for embodiment
Figure is briefly described, it should be apparent that, for those of ordinary skills, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the stereochemical structure sterogram of paddle propeller system peculiar to vessel provided in an embodiment of the present invention；
Fig. 2 is the structural representation of push structure provided in an embodiment of the present invention；
Fig. 3 is operating diagram when paddle propeller system peculiar to vessel provided in an embodiment of the present invention advances；
Fig. 4 is operating diagram when paddle propeller system peculiar to vessel provided in an embodiment of the present invention is moveed backward；
Operating diagram when Fig. 5 is paddle propeller system spot turn peculiar to vessel provided in an embodiment of the present invention；
Fig. 6 is another kind of structural representation of paddle propeller system peculiar to vessel provided in an embodiment of the present invention.
Wherein：
1- supports, 2- sprocket wheels, 3- chains, 4- blades, 5- blade rotary shafts, 6- bearing A, 7- bearing B, the spacing rolling of 8- blades
Wheel, 9- connecting rods, 10- straight line limit sliding chutes.
Specific embodiment
The invention provides a kind of paddle propeller system peculiar to vessel, can solve the effect of striking that existing ship's propeller is present
Rate is relatively low, the higher problem of energy consumption cost.
In order that those skilled in the art more fully understand the technical scheme in this explanation, it is real below in conjunction with this explanation
The accompanying drawing in example is applied, the technical scheme in this explanation embodiment is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of this explanation, rather than the embodiment of whole.Based on the embodiment in this explanation, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to this explanation protection
Scope.
Fig. 1 is refer to, the stereochemical structure of paddle propeller system peculiar to vessel provided in an embodiment of the present invention is the figure shows.Such as
Shown in Fig. 1, including two-layer parallel bracket 1, sprocket wheel 2, chain 3, power set and feeding force control mechanism.In every layer of parallel bracket
Two ends on 1 length direction are respectively provided with the sprocket wheel 2, and the chain 3 coordinates respectively with two sprocket wheels 2 on each layer support 1, institute
State power set and drive the rotating in same direction of sprocket wheel 2, for convenience of description problem, the chain 3 at lower floor support 1 is in FIG not
Completely illustrate.Filled black arrows in Fig. 1 represent the rotating in same direction direction of four sprocket wheels 2, and hollow arrow represents chain 3 with chain
The direction that wheel 2 is rotated.Could be arranged to：The central shaft of the sprocket wheel 2 runs through two on the length direction of two-layer parallel bracket 1
End, the sprocket wheel 2 is realized around the mode of the central shaft rotating in same direction, it is also possible to be set to other forms to realize sprocket wheel
Rotate.
The feeding force control mechanism, including some groups of propulsive mechanisms and two groups of direction of propulsion control devices, the propulsion
Direction-control apparatus are separately positioned on the both sides of the propulsive mechanism.Incorporated by reference to Fig. 2 is referred to, the embodiment of the present invention is the figure shows
The structural representation of the push structure of offer.The each group propulsive mechanism include blade 4,5, two bearings of blade rotary shaft and
One group of blade limited roller 8, described two bearings are separately fixed on each layer chain 3, and bearing A6 is fixed on upper strata chain 3
On, bearing B7 is fixed on lower floor's chain, and the blade rotary shaft 5 is set in described two bearings, and the blade 4 is fixed on
In the blade rotary shaft 5, the blade limited roller 8 be fixed in the blade rotary shaft 5 by connecting rod 9 respectively and
The blade limited roller 8 is respectively positioned at the both sides of the blade 4.
The direction of propulsion control device includes two parallel straight line limit sliding chutes 10, not shown in FIG, refer to
Fig. 3, Fig. 3 are operating diagram when paddle propeller system peculiar to vessel provided in an embodiment of the present invention advances, and Fig. 3 may be considered
The top view of Fig. 1.As shown in figure 3, the blade limited roller 8 is track along the chain with wherein straight line limit sliding chutes 10
The moving direction of bar 3 slides, and the straight line limit sliding chutes 10 are parallel with the length direction of the support 1.
The angle of rake effect of paddle peculiar to vessel that the present invention is provided is to provide active force for ship, after being generally located on ship
Side, it is also possible to be arranged on the front or both sides of ship.From above technical scheme, the paddle peculiar to vessel propulsion that the present invention is provided
The course of work of device is：Bilevel chain 3 is rotated under the drive of sprocket wheel 2, then drives the bearing being fixed on chain 3
A6 and bearing B7 is moved, so as to cause blade group to start to rotate.As shown in figure 3, when this propeller system is arranged on ship rear
When, under the impact of current, when the distance between two parallel straight line limit sliding chutes 10 are fixed, accordingly, blade is spacing
Roller 8 is gone to after the angle of diagram, because blade limited roller 8 receives the restriction of Liang Chu lower floors straight lines limit sliding chutes 10, leaf
Piece 4 is in into specific angle, similar to the propulsive force that paddle is provided for ship, downward solid black in direction of propulsion such as Fig. 3
Shown in color arrow.And when blade 4 turns to the turning of chain 3, because blade limited roller 8 and straight line limit sliding chutes 10
Cannot contact, so as to blade 4 can be rotated freely, the direction of blade 4 is almost parallel with water (flow) direction, almost without resistance and not
Produce propulsive force, when blade 4 turns over sprocket wheel, when reentering linear motion, blade limited roller 8 again with the straight line of another side
Limit sliding chutes 10 coordinate, and so as to the angle for ensureing blade 4 to set is advanced, go round and begin again, and constantly provide what is advanced for ship
Power.In order that the small volume of propeller system that the present invention is provided, the length of the straight line limit sliding chutes 10 be equal to or
Horizontal range close between the central shaft.
It can be seen that, the paddle propeller system peculiar to vessel that the present invention is provided, in the case where draft is constant, we can be
The distance between centre of sprocket axle increases to the beam, so as to considerably increase angle of rake work area, reduces propeller blade
The movement velocity of piece 4, reduces and go out after propeller water speed, such that it is able to the propulsion by the use of most power as ship
Power, it is possible to increase efficiency of striking, reduces energy ezpenditure, that is, can solve the problem that the problem that prior art is present.
It is pointed out that the quantity and size of blade 4 can be arranged according to different propulsive force demands, blade 4
Position can be arranged as required to, it is also possible to be symmetrical arranged in pairs in the both sides of sprocket wheel, to eliminate rotation torque.The blade 4
Can be rectangle, or other shapes.To above-mentioned several aspects, here of the present invention is not limited.
Improvement is made on the basis of above-mentioned technical proposal, direction of propulsion control device is also moved including straight line limit sliding chutes
Device, the straight line limit sliding chutes mobile device is connected on the support 1, relative for adjusting the straight line limit sliding chutes 10
In the distance of the chain 3.The limit sliding chutes mobile device can be screw mandrel or hydraulic means.Blade 4 is between sprocket wheel
When running on straight length, blade 4 is subject to the effect of straight line limit sliding chutes 10 and is in the angle of needs, this angle and blade group
Efficiency of striking is related, that is to say, that this angle can affect the size of propulsive force.In order to meet operation of the ship under different operating modes
Demand, above-mentioned mobile device should also adjust the distance between one group of parallel straight line limit sliding chutes 10.
When ship needs brake or moves backward, the direction of propulsive force should with above-mentioned technical proposal in conversely, realizing this
The mode of process is：Using above-mentioned straight line limit sliding chutes mobile device, by blade limited roller 8 and the spacing cunning of straight line of another side
Groove 10 is engaged, and is to be engaged with upper strata chute, when the traffic direction of chain 3 is as shown in hollow arrow, now in such as Fig. 4
The propulsion force direction of generation is the direction in Fig. 4 shown in the downward arrow of solid black, and in the presence of this propulsive force, ship can
To complete to move backward or brake.
Likewise, when ship needs to turn around in situ, can be by adjustment straight line limit sliding chutes 10 and the spacing rolling of blade
The cooperation of wheel 8, when the direction of blade group is changed into into angle as shown in Figure 5, when the traffic direction such as hollow arrow institute of chain 3
When showing, the propulsion force direction for now producing is the direction in Fig. 5 shown in black arrows, in the presence of this propulsive force, ship
Oceangoing ship can complete spot turn.
In above-mentioned each technical scheme, the blade rotary shaft 5 keeps and horizontal plane, so can ensure that blade
4 efficiency of effectively striking, and when blade rotary shaft 5 and horizontal plane, the stability of the stress of blade 4 is higher, and ship can
More smoothly to run.
In order that the angle of striking of blade group is easy to adjust, that is to say, that in order to one group of blade limited roller 8 is at two
Position in parallel straight line limit sliding chutes 10 is conveniently adjusted, and the distance between described two parallel straight line limit sliding chutes 10 are big
Air line distance between one group of blade limited roller 8.
It is known that when blade limited roller 8 and straight line limit sliding chutes 10 are engaged, noise can be produced unavoidably, when even
When extension bar 9 is rigid material, noise is larger, and optimization is made to this, the connecting rod 9 can be designed as into elastic component, to reduce
The impulsive force that cooperation is, to reduce noise, while using Flexible Connector, under identical flow action, blade can be controlled
The stress degree of group.
Fig. 6 is refer to, Fig. 6 is another kind of structural representation of paddle propeller system peculiar to vessel provided in an embodiment of the present invention
Figure.It is with the difference of the propeller system shown in above-mentioned Fig. 3-Fig. 5, the fit system with ship, as shown in fig. 6, this is pushed away
Enter the operation angle of device device and ship in during 45 ° of installations, when direction of the chain 3 as shown in hollow arrow is run, and the quilt of blade 4
When straight line limit sliding chutes 10 are limited in angle as depicted, the blade group on upper strata is almost vertical with the direction of current, lower floor
Blade group is almost parallel with the direction of current, and compared with the angle shown in Fig. 3-Fig. 5, the active force of current is completely converted into promotion
Power, produces the propulsion force direction as shown in black arrows in Fig. 6.And a blade limited roller 8 is only needed to, structure is more
For simple.
The above is only the specific embodiment of the present invention, is made skilled artisans appreciate that or realizing this
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope for causing.
The above is only the specific embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (9)
1. paddle propeller system peculiar to vessel, it is characterised in that including two-layer parallel bracket (1), sprocket wheel (2), chain (3), power
Device and feeding force control mechanism；Two ends on two-layer parallel bracket (1) length direction are respectively provided with the sprocket wheel (2), institute
State chain (3) to coordinate with two sprocket wheels (2) on each layer support respectively, the power set drive the sprocket wheel (2) to turn in the same direction
It is dynamic；
The feeding force control mechanism, including some groups of propulsive mechanisms and two groups of direction of propulsion control devices, the direction of propulsion
Control device is separately positioned on the both sides of the propulsive mechanism；
The each group propulsive mechanism includes blade (4), blade rotary shaft (5), two bearings and one group of blade limited roller
(8), described two bearings are separately fixed on each layer chain (3), and the blade rotary shaft (5) is set in described two bearings
Interior, the blade (4) is fixed on the blade rotary shaft (5), and the blade limited roller (8) passes through respectively connecting rod (9)
It is fixed on the blade rotary shaft (5) and the blade limited roller (8) is respectively positioned at the both sides of the blade (4)；
The direction of propulsion control device include two parallel straight line limit sliding chutes (10), the blade limited roller (8) with
Wherein moving direction of the straight line limit sliding chutes (10) for track along the chain (3) slides, the straight line limit sliding chutes
(10) it is parallel with the length direction of the support (1).
2. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that the direction of propulsion control device is also
Including straight line limit sliding chutes mobile device, the straight line limit sliding chutes mobile device is connected on the support (1), for adjusting
Distance of the straight line limit sliding chutes (10) relative to the chain (3).
3. paddle propeller system peculiar to vessel according to claim 2, it is characterised in that the straight line limit sliding chutes movement dress
It is set to screw mandrel or hydraulic means.
4. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that the blade rotary shaft (5) keeps
With horizontal plane.
5. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that two parallel straight lines are spacing
The distance between chute (10) is more than the air line distance between one group of blade limited roller (8).
6. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that the central shaft of the sprocket wheel runs through institute
The two ends on two-layer parallel bracket (1) length direction are stated, the sprocket wheel (2) is around the central shaft rotating in same direction.
7. paddle propeller system peculiar to vessel according to claim 6, it is characterised in that the straight line limit sliding chutes (10)
Length is equal or close to the horizontal range between the central shaft.
8. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that the blade (4) is rectangular paddle.
9. paddle propeller system peculiar to vessel according to claim 1, it is characterised in that the connecting rod (9) is elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740421.2A CN105216997B (en) | 2015-11-04 | 2015-11-04 | Marine paddle type propeller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510740421.2A CN105216997B (en) | 2015-11-04 | 2015-11-04 | Marine paddle type propeller device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105216997A CN105216997A (en) | 2016-01-06 |
| CN105216997B true CN105216997B (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510740421.2A Expired - Fee Related CN105216997B (en) | 2015-11-04 | 2015-11-04 | Marine paddle type propeller device |
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| Country | Link |
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| CN (1) | CN105216997B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264757B (en) * | 2017-06-26 | 2019-01-04 | 吴其兵 | A kind of marine propulsion |
| CN110901316B (en) * | 2019-11-29 | 2022-11-18 | 哈尔滨工程大学 | Flapping propulsion type propeller, propulsion system and amphibious vehicle |
| CN118083101A (en) * | 2024-04-26 | 2024-05-28 | 智真海洋科技(威海)有限公司 | Tilting device of underwater propeller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2124872U (en) * | 1992-04-17 | 1992-12-16 | 黄佳林 | Parallel straight wing thruster |
| EP2428682A2 (en) * | 2010-09-14 | 2012-03-14 | General Electric Company | Bidirectional fan having self-adjusting vane |
| CN102616360A (en) * | 2012-03-24 | 2012-08-01 | 夏凤义 | Orbital transfer type blade double-chain device |
| CN202783746U (en) * | 2012-09-19 | 2013-03-13 | 彭刚 | Continuous slewing translation type propulsion device |
| CN205221048U (en) * | 2015-11-04 | 2016-05-11 | 倪忠 | Marine oar formula propeller device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100291815A1 (en) * | 2009-05-14 | 2010-11-18 | Saxby Michael W | Watercraft Propulsion System |
-
2015
- 2015-11-04 CN CN201510740421.2A patent/CN105216997B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2124872U (en) * | 1992-04-17 | 1992-12-16 | 黄佳林 | Parallel straight wing thruster |
| EP2428682A2 (en) * | 2010-09-14 | 2012-03-14 | General Electric Company | Bidirectional fan having self-adjusting vane |
| CN102616360A (en) * | 2012-03-24 | 2012-08-01 | 夏凤义 | Orbital transfer type blade double-chain device |
| CN202783746U (en) * | 2012-09-19 | 2013-03-13 | 彭刚 | Continuous slewing translation type propulsion device |
| CN205221048U (en) * | 2015-11-04 | 2016-05-11 | 倪忠 | Marine oar formula propeller device |
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| CN105216997A (en) | 2016-01-06 |
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