CN110481749A - A kind of heavy duty Shaftless propeller - Google Patents
A kind of heavy duty Shaftless propeller Download PDFInfo
- Publication number
- CN110481749A CN110481749A CN201910932027.7A CN201910932027A CN110481749A CN 110481749 A CN110481749 A CN 110481749A CN 201910932027 A CN201910932027 A CN 201910932027A CN 110481749 A CN110481749 A CN 110481749A
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- China
- Prior art keywords
- bearing
- gear
- wheel hub
- thrust unit
- propeller
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 239000010985 leather Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 33
- 230000033001 locomotion Effects 0.000 abstract description 14
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000003967 crop rotation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 241000272525 Anas platyrhynchos Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001474374 Blennius Species 0.000 description 1
- 240000007058 Halophila ovalis Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of novel load-carrying Shaftless propellers, including rotation drive device, rotation oil distributing valve and motor；The rotation drive device includes wheel hub, shell, internal gear, axial seal, sealing ring, thrust unit, end cap, first bearing, second bearing, 3rd bearing, holddown spring and off-centre operation component.The present invention, as power source, carries out successively fuel feeding to each thrust unit by rotation oil distributing valve using hydraulic oil, so that thrust unit pushes internal tooth crop rotation plane motion, it is final to realize propeller rotation output then by gear engagement.The present invention has deleted complicated transmission mechanism, reduces overall volume, and can realize stepless time adjustment, speed adjustable range is big, and maneuvering performance is good, and the torque of generation is big, good heat dissipation effect.
Description
Technical field
The invention belongs to propeller technical field, specially a kind of heavily loaded Shaftless propeller.
Background technique
With going deep into for ocean development, ocean explore equipment using increasingly extensive.Explore equipment in essentially all ocean
It is all in water with propeller as output device.And wherein, most propeller all uses motor output shaft to drive spiral shell
The arrangement form of paddle blade rotation is revolved, namely has duck propeller Z.The integral arrangement for having duck propeller Z is that motor passes through main shaft
It transmits power on propeller, propeller rotation is driven to generate thrust.Although this arrangement principle is simple, specific
Also some obvious disadvantages when implementation: (1) shafting for being used to transfer power to propeller can interfere fluid to pass through propeller, make
Obtaining such as seaweed or similar substance can be wrapped on propeller；(2) with the increase of main engine power, the volume meeting of Propulsion Systems
What is become is very big, and structure meeting complex, the requirement of heat dissipation also gradually increases；(3) increase and sealing system of Propulsion Systems length
Presence so that propulsion system is lost increase in energy transfer process, transmission efficiency is reduced, and increases use cost.
Therefore, Shaftless propeller is just suggested.At home, Ma Weiming academician does excessive quantifier elimination work to Shaftless propeller
Make.The structure of Shaftless propeller is generally made of (such as patent CN 107719613A) stator, rotor, and stator in a ring, is fixed on
On hull, stator is equipped with around electric wire group；Rotor is also ring structure, generally permanent magnet, and it is fixed that rotor is mounted on by bearing
On son, stator and rotor coaxial line, and multiple blades are installed in rotor inner surface；When work, stator indirect current generates friendship
Electromagnetic Field cooperates permanent magnet rotor, and rotor rotation is allowed then to drive propeller rotational.The Shaftless propeller of such structure,
There is duck propeller Z relative to above-mentioned, volume is smaller, and transmission efficiency also greatly improves.But it is relatively small to be only applicable to power
Occasion, once power demand is big, it is big to still remain volume, and heat dissipation is difficult, and energy loss is big, at high cost and difficult in maintenance etc.
Defect.
Summary of the invention
The present invention proposes a kind of heavily loaded Shaftless propeller, combines hydraulic-driven technology and less teeth difference transmission technology, inputs
Pressure oil is implanted sequentially in each thrust unit by end using a kind of rotation oil distributing valve, pushes internal tooth crop rotation plane motion；It is defeated
Outlet is the external gear engaged with internal gear, and internal-external gear is a pair of of gear with small teeth difference pair；The plane of internal gear is shaken, and is converted into
The rotation of external gear, then band runner hub and propeller rotation output.The basic principle is that rotation oil distributing valve is to each thrust list
Member carries out successively fuel feeding, pushes internal tooth crop rotation plane motion, drives external gear rotation, realizes power output, is rotated by changing
Oil distributing valve gives the fuel feeding frequency of each thrust unit, can control the output revolving speed of Shaftless propeller.
It requires in order to realize the above functions, the present invention adopts the following technical scheme that:
The present invention provides a kind of shaftless heavily loaded propellers, including motor, rotation oil distributing valve and rotary propelling device；It is described
Rotary propelling device includes wheel hub, shell, internal gear, axial seal, sealing ring, thrust unit, end cap, first bearing, second
Bearing, 3rd bearing, holddown spring and off-centre operation component；The wheel hub is hollow multi-diameter shaft, including external gear and propeller；Institute
It states second bearing inner ring and the wheel hub is interference fitted；The off-centre operation component respectively with the first bearing inner ring and described
The contact of two bearing outer rings, and the off-centre operation component and the first bearing and the second bearing are interference fit；Institute
Internal gear and the first bearing outer ring are stated as interference fit, the internal gear passes through the first bearing, the second bearing
It is fixed on the wheel hub with the off-centre operation component；The inner ring of the internal gear is gear ring, and the outer ring of the external gear is tooth
Circle, the internal tooth of the internal gear are in contact with the external tooth of the external gear, and the external gear and the internal gear modulus are equal simultaneously
And there is teeth number difference, so that the outer ring tooth of the external gear engages to form gear with small teeth difference pair with the internal ring gear of the internal gear；
It is close to always with the first bearing outer ring by the holddown spring end of the thrust unit；The thrust unit quantity
It is multiple, it is evenly arranged on the shell excircle；The propeller is fixed in the hollow shaft of the wheel hub；The end cap passes through spiral shell
Nail is fixed on the housing；The axial seal is arranged in affiliated wheel hub two sides.
As an embodiment, the oil circuit of the thrust unit is communicated with the rotation oil distributing valve oil circuit.
As an embodiment, rotate oil distributing valve described in the motor driven, by high pressure oil according to certain frequency according to
The secondary injection thrust unit；Adjust the output revolving speed that the Shaftless propeller is adjusted in the motor speed.
As an embodiment, the thrust unit is plunger case.
As an embodiment, the thrust unit is with the oil-filled leather bag of elasticity, and oil-filled, leather bag expands against
Capacity eccentric bearing.
As an embodiment, the thrust unit quantity has multiple, is evenly arranged on the excircle of the shell.
As an embodiment, the holddown spring, the compression bullet are installed on the end of the thrust unit
Spring makes the end of the thrust unit guarantee the state being bonded always with the internal gear outer ring, avoids in the thrust unit
Impact and vibration are caused when fuel feeding.
As an embodiment, the propeller is fixed in the hollow shaft of the wheel hub, together with the wheel hub
Rotation.
The present invention carries out fuel feeding to each thrust unit by the rotation of rotation oil distributing valve, and then pushes internal tooth crop rotation plane
Movement drives external gear rotation, final to realize propeller rotation output.The present invention is using a pair of of inside engaged gear pair and because inside and outside
The teeth number difference very little of gear has very high reduction ratio, so that the torque being output on propeller increases.
Beneficial effects of the present invention are as follows:
1, present invention employs rotation oil distributing valves with oil, and eliminate complexity matches oil system and automatic control system, reduces
Reduce the volume of device.
2, the present invention becomes one drive part and propeller, avoids and is driven using motor either hydraulic motor
When required matched transmission mechanism and deceleration mechanism, reduce the volume of propeller, improve the utilization rate in space.
3, present invention employs inside engaged gears to as power transmission mechanism, and transmission ratio with higher increases drive
The torque of dynamic propeller.
4, the present invention is used without shaft-driven structure, so that such as sea grass or similar substance will not be wrapped in propeller
On.
5, the present invention in use it is hydraulic as power, hydraulic oil can take most of heat out of so that heat dissipation problem is compared
It is eased in motor driven.Simultaneously using the hydraulic leakproofness for also ensuring device, it is further simplified the structure of device.
6, note of the present invention is compact-sized, can reach biggish output power density.
Detailed description of the invention
Fig. 1 is the overall structure diagram of Shaftless propeller；
Fig. 2 is the A-A sectional structure chart of Fig. 1；
Fig. 3 is the motion principle schematic diagram that heavily loaded Shaftless propeller provided by the invention is implemented；
It is corresponding, when Fig. 3 a is that thrust unit t1 drives, the movement position schematic diagram of off-centre operation component.
When Fig. 3 b is that thrust unit t5 drives, the movement position schematic diagram of off-centre operation component；
When Fig. 3 c is that thrust unit t4 drives, the movement position schematic diagram of off-centre operation component；
When Fig. 3 d is that thrust unit t3 drives, the movement position schematic diagram of off-centre operation component；
Fig. 4 is the structural schematic diagram of wheel hub.
Specific embodiment
Invention is further explained with reference to the accompanying drawing, it is clear that described embodiment is only of the invention
Section Example, rather than whole embodiments.
As shown in Figure 1, being overall structure diagram of the invention, including Shaftless propeller 13, motor 14 and rotation with oil
Valve 15.
As shown in Fig. 2, be Shaftless propeller provided in an embodiment of the present invention cross-sectional view, including wheel hub 1, external gear 111,
112 shell 2 of propeller, internal gear 3, thrust unit 4, holddown spring 5, end cap 6, axial seal 7, sealing ring 8, first bearing 9,
Off-centre operation component 10, second bearing 11 and 3rd bearing 12.
Wherein wheel hub 1 is hollow multi-diameter shaft, including external gear 111 and propeller 112；The inner ring and wheel hub of second bearing 11
1 interference fit；Off-centre operation component 10 is contacted with 9 inner ring of first bearing and 11 outer ring of second bearing respectively, and off-centre operation component
10 with first bearing 9 and second bearing 11 be interference fit；Internal gear 3 and 9 outer ring of first bearing are interference fit, internal gear
3 are fixed on wheel hub 1 by first bearing 9, second bearing 11 and off-centre operation component 10；The inner ring of internal gear 3 is gear ring, external tooth
The outer ring of wheel 111 is gear ring, and the internal tooth of internal gear 3 is in contact with the external tooth of external gear 111, the mould of external gear 111 and internal gear 3
Number is equal, and has teeth number difference, so that the outer ring tooth of external gear 111 engages to form few teeth difference tooth with the internal ring gear of internal gear 3
Wheel pair；It is close to always with 9 outer ring of first bearing by holddown spring 5 end of thrust unit 4；4 quantity of thrust unit is multiple,
Cloth is on shell excircle；Propeller 112 is fixed in the hollow shaft of wheel hub 1；End cap 67 is fixed by screws on shell 2；
Axial seal 7 is arranged in 1 two sides of wheel hub.
As shown in figure 3, off-centre operation component 10 is installed between first bearing 9 and second bearing 11, so that first bearing 9
The axis of the center of circle and wheel hub 1 generates eccentricity.
It include external gear 111 and propeller 112 on wheel hub 1 as shown in figure 4, wheel hub 1 is hollow cylindrical-shaped structure, the
Two bearings 11 and 3rd bearing 12 are all mounted on wheel hub 1, and all using interference fit.Second bearing 11 and external gear 111
Gear ring between it is spaced, prevent second bearing 11 to be in contact with external gear 111.
When Shaftless propeller of the invention works, rotation oil distributing valve 15 is driven to revolve according to the revolving speed set by motor 14
Turn, so that high pressure oil is successively fed in each thrust unit 4 by rotation oil distributing valve 15 when rotating, and works as rotation oil distributing valve 15 again
When to some thrust unit 4 for high pressure oil, the oil circuit of remaining thrust unit 4 is connect with fuel tank；Therefore, when oil distributing valve 15 is by high pressure
When oil is with entering to some thrust unit 4, this thrust unit will stretch out an eccentricity distance.Because in wheel hub 1 and internal gear 3
Between used off-centre operation component 10, a pair of of first bearing 9 and a pair of of second bearing 11 to fix relative position, so in thrust
Unit 4 pushes internal gear 3 in plane translation a distance, and off-centre operation component 10, the inner ring of first bearing 9 and second bearing 11
Outer ring rotate, and internal gear 3 only in plane motion, can't rotate, allow for internal gear 3 and external tooth in this way
Wheel 111 is that tooth is engaged one by one, ensure that the transmission ratio between internal messing gear with small teeth difference is constant.The plane of internal gear 3 is transported
It is dynamic to rotate with the external gear 111 on runner hub 1, so that propeller 112 rotates.
Further, in this embodiment, the revolving speed of Shaftless propeller 13 can come by the revolving speed of rotation oil distributing valve 15
It adjusts, the frequency that the revolving speed change of rotation oil distributing valve 15 allows for the starting of thrust unit 4 changes, namely makes thrust unit
The frequency of the outer ring of 4 promotion internal gears 3 will change, then the revolving speed that external gear 111 rotates will occur to change, that is, control
The revolving speed of system rotation oil distributing valve 15 can realize the revolving speed control of propeller 112.
In embodiments of the present invention, in order to increase the output torque of propeller 112, rotation oil distributing valve 15 can make two or
Three thrust units 4 of person while fuel feeding, under the premise of eccentricity is constant, the thrust of generation is bigger, and the torque of output also will more
Greatly.
The rotation resolution ratio of the quantity of thrust unit 4 according to demand determines that more quantity, each thrust unit 4 pushes up
Out, the rotation angle of wheel hub 1 will be smaller；When two thrust units 4 work together, the force direction of thrust is exactly two same
When the resultant direction of thrust unit that works；The general at least three of the quantity of thrust unit.
Further, in this embodiment, internal gear 3 only makees movement and does not rotate when making plane motion.Because
Internal gear 3 is fixed on the relative position of wheel hub 1, and first axle by off-centre operation component 10, first bearing 9 and second bearing 11
It holds for interference fit between 9 and internal gear 3, i.e. the outer ring of the outer ring of first bearing 9 and internal gear 3 moves consistent.Second bearing
It is also interference fit between 11 and wheel hub 1, i.e. the inner ring Yu wheel hub 1 of second bearing 11 moves unanimously.When thrust unit 4 is applied to
When on internal gear 3, so that the inner ring of off-centre operation component 10, first bearing 9 and the outer ring of second bearing 11 rotate, and internal tooth
Wheel 3 successively engages only in plane motion with the tooth on external gear 111.
Further, in this embodiment, internal gear 3 is mounted on wheel hub 1 by two pairs of bearings.In fact, in wheel hub 1
On when installing off-centre operation component 10 and second bearing 11, the center of circle of internal gear 3 and the axis of wheel hub 1 just generate eccentricity.It is existing
Formerly assume the case where only existing off-centre operation component 10 and first bearing 9, first bearing 9 and internal gear 3, which use, to be interference fitted, partially
Heart circle component 10 and the inner ring of first bearing 9 are also interference fit, and during thrust unit 4 moves, power is applied to internal tooth
It is transmitted in first bearing 9 on wheel 3, then off-centre operation component 10 needs to rotate to realize that internal gear 3 moves radially, and mesh
Before assume that second bearing 11 there is no the case where, so off-centre operation component 10 and wheel hub 1 are mated condition, key etc. can be used
Connecting mode realizes that cooperation, the rotation of so off-centre operation component 10 are passed on wheel hub 1 with regard to passback, but since internal gear engages
Effect, external gear 111 can also rotate, i.e., since off-centre operation component 10 and external gear 111 can generate two not on wheel hub 1
Same revolving speed, can interfere the normal operation of propeller, and accelerate to wear in this way.
The present invention, as power source, successively supplies each thrust unit 4 by rotating oil distributing valve 15 using hydraulic oil
Oil, then by the engagement of gear, finally realizes propeller so that thrust unit 4 pushes internal gear 3 to make plane motion
112 rotation outputs.The present invention has deleted complicated transmission mechanism, reduces overall volume, and can realize stepless time adjustment, adjusts the speed
Range is big, and maneuvering performance is good, and the torque of generation is big, good heat dissipation effect.
Particular embodiments described above has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that the above is only a specific embodiment of the present invention, and does not have to and limit protection of the invention
Range.It particularly points out, to those skilled in the art, all within the spirits and principles of the present invention, that is done any repairs
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
1. a kind of heavy duty Shaftless propeller, which is characterized in that including motor, rotation oil distributing valve and rotation drive device；The rotation
Rotary driving device includes wheel hub, shell, internal gear, axial seal, sealing ring, thrust unit, end cap, first bearing, the second axis
It holds, 3rd bearing, holddown spring and off-centre operation component；The wheel hub is hollow multi-diameter shaft, including external gear and propeller；It is described
Second bearing inner ring and the wheel hub are interference fitted；The off-centre operation component respectively with the first bearing inner ring and described second
Bearing outer ring contact, and the off-centre operation component and the first bearing and the second bearing are interference fit；It is described
Internal gear and the first bearing outer ring are interference fit, the internal gear by the first bearing, the second bearing and
The off-centre operation component is fixed on the wheel hub；The end of the thrust unit is by the holddown spring always with described the
One bearing outer ring is close to；The propeller is fixed in the hollow shaft of the wheel hub；The end cap is fixed by screws in described
On shell；The axial seal is arranged in affiliated wheel hub two sides.
2. heavy duty Shaftless propeller according to claim 1, which is characterized in that the motor and the rotation oil distributing valve connect
It connects, by thrust unit described in high pressure oil supply, adjusts the output revolving speed that the Shaftless propeller is adjusted in the motor speed.
3. heavy duty Shaftless propeller according to claim 1, which is characterized in that external gear is arranged on wheel hub, internal gear
The bearing being arranged symmetrically by two Duis and two off-centre operation components are fixed on wheel hub；The inner ring of internal gear is gear ring, external gear
Outer ring be gear ring, the internal tooth of internal gear is meshed with the external tooth of external gear, and external gear is equal with internal gear modulus and has
Teeth number difference, so that the outer ring tooth of external gear engages to form gear with small teeth difference pair with the inner ring of internal gear.
4. it is according to claim 1 heavy duty Shaftless propeller, which is characterized in that the thrust unit quantity have it is multiple,
On the excircle of shell belonging to being evenly arranged on.
5. heavy duty Shaftless propeller according to claim 1, which is characterized in that the thrust unit is plunger case or is
Oil-filled leather bag with elasticity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932027.7A CN110481749A (en) | 2019-09-29 | 2019-09-29 | A kind of heavy duty Shaftless propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910932027.7A CN110481749A (en) | 2019-09-29 | 2019-09-29 | A kind of heavy duty Shaftless propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110481749A true CN110481749A (en) | 2019-11-22 |
Family
ID=68544634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910932027.7A Pending CN110481749A (en) | 2019-09-29 | 2019-09-29 | A kind of heavy duty Shaftless propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110481749A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078628A (en) * | 1989-06-23 | 1992-01-07 | Newport News Shipbuilding And Dry Dock Company | Marine propulsor |
| US5306183A (en) * | 1993-02-25 | 1994-04-26 | Harbor Branch Oceanographic Institute Inc. | Propulsion systems for submarine vessels |
| US5479058A (en) * | 1994-04-19 | 1995-12-26 | Seidou; Yoshio | Geared motor |
| CN102336261A (en) * | 2011-09-07 | 2012-02-01 | 王仁夫 | Shaftless propeller |
| CN105715606A (en) * | 2016-04-06 | 2016-06-29 | 浙江大学 | Compound digital servo actuator |
| CN107298160A (en) * | 2017-05-18 | 2017-10-27 | 苏州横海信息科技有限公司 | Ship's propeller |
| CN107499487A (en) * | 2017-08-15 | 2017-12-22 | 武汉理工大学 | Propulsion and generating integration device are driven to runner edge based on shaftless |
| JP2018011438A (en) * | 2016-07-13 | 2018-01-18 | 株式会社Ｓｏｋｅｎ | Geared Motor |
| CN109178268A (en) * | 2018-09-13 | 2019-01-11 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | A kind of external driving marine propulsion system |
| CN109281883A (en) * | 2018-11-08 | 2019-01-29 | 浙江大学 | A kind of electro-hydraulic executive device of harmonic wave step-by-step movement using rotation oil distributing valve |
| CN208882094U (en) * | 2018-09-26 | 2019-05-21 | 威海人合机电股份有限公司 | Shaftless hydraulic-driven propeller |
| CN210793602U (en) * | 2019-09-29 | 2020-06-19 | 杭州诺祥科技有限公司 | Heavy-load shaftless propeller |
-
2019
- 2019-09-29 CN CN201910932027.7A patent/CN110481749A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5078628A (en) * | 1989-06-23 | 1992-01-07 | Newport News Shipbuilding And Dry Dock Company | Marine propulsor |
| US5306183A (en) * | 1993-02-25 | 1994-04-26 | Harbor Branch Oceanographic Institute Inc. | Propulsion systems for submarine vessels |
| US5479058A (en) * | 1994-04-19 | 1995-12-26 | Seidou; Yoshio | Geared motor |
| CN102336261A (en) * | 2011-09-07 | 2012-02-01 | 王仁夫 | Shaftless propeller |
| CN105715606A (en) * | 2016-04-06 | 2016-06-29 | 浙江大学 | Compound digital servo actuator |
| JP2018011438A (en) * | 2016-07-13 | 2018-01-18 | 株式会社Ｓｏｋｅｎ | Geared Motor |
| CN107298160A (en) * | 2017-05-18 | 2017-10-27 | 苏州横海信息科技有限公司 | Ship's propeller |
| CN107499487A (en) * | 2017-08-15 | 2017-12-22 | 武汉理工大学 | Propulsion and generating integration device are driven to runner edge based on shaftless |
| CN109178268A (en) * | 2018-09-13 | 2019-01-11 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | A kind of external driving marine propulsion system |
| CN208882094U (en) * | 2018-09-26 | 2019-05-21 | 威海人合机电股份有限公司 | Shaftless hydraulic-driven propeller |
| CN109281883A (en) * | 2018-11-08 | 2019-01-29 | 浙江大学 | A kind of electro-hydraulic executive device of harmonic wave step-by-step movement using rotation oil distributing valve |
| CN210793602U (en) * | 2019-09-29 | 2020-06-19 | 杭州诺祥科技有限公司 | Heavy-load shaftless propeller |
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