CN209627136U - Marine main engine and flywheel energy storage system associated working device - Google Patents
Marine main engine and flywheel energy storage system associated working device Download PDFInfo
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- CN209627136U CN209627136U CN201920613043.5U CN201920613043U CN209627136U CN 209627136 U CN209627136 U CN 209627136U CN 201920613043 U CN201920613043 U CN 201920613043U CN 209627136 U CN209627136 U CN 209627136U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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Abstract
A kind of the utility model provides marine main engine and flywheel energy storage system works together device, it include: to provide the host system of thrust power, the flywheel energy storage system that energy can be stored, distribution system and Energy Management System for ship, marine main engine is connected with drive shaft system by driven by clutches, drive shaft system front end is provided with propeller, drive shaft system is connect by gear-box with axle generator, being able to drive the rotation of drive shaft system, axle generator generates electricity or drive shaft system rotates under the driving of axle generator.Marine main engine described in the utility model and flywheel energy storage system associated working device, flywheel energy storage system is applied to ship, energy accumulation device for fly wheel and marine main engine is set to work together by Energy Management System, make host is sustainable to run on low oil consumption operating condition, cost is saved, and marine main engine can be maintained to work in higher load, be conducive to its operating and reduces noxious emission, increase working life, reduces maintenance.
Description
Technical field
The utility model relates to marine main engine fields, specifically, more particularly to a kind of marine main engine and flywheel energy storage system
System associated working device.
Background technique
Marine Cargo is big with its freight volume, freight charges are low and it is adaptable to cargo the advantages that, become in international trade
Main means of transportation is big for Large Container Ship, VLCC etc. although now proposing the ship of full ship electric propulsion
Type ship in following a period of time or can use traditional, the high-efficient direct propulsion mode of host.
And the marine main engine of every kind of type has oil consumption-power curve of their own, with 6S60ME-C8.2 (Part
Load VT) for, for host in 75% load, rate of fuel consumption is about 158.5g/kW.h, and in 40% load, rate of fuel consumption is about
167g/kW.h, about goes up 5.4%, and actual conditions are, ship cast anchor, etc. diversions, berthing manoeuver 3~5 hours, host
Frequent varying duty navigation, there is many times that for power well below 40%, rate of fuel consumption, which can be increased further, causes oil consumption to increase.In addition
Since underload, varying load condition host fuel oil, scavenging are not best match, it will lead to and discharge exceeded, wear and tear in machines aggravation.
Summary of the invention
According to ship set forth above cast anchor, etc. diversions, berthing manoeuver 3~5 hours, host frequent varying duty navigation have
Many times for power well below 40%, rate of fuel consumption, which can be increased further, causes oil consumption to increase, additionally, due to underload, varying duty
Operating condition host fuel oil, scavenging are not best match, will lead to the technical issues of discharge is exceeded, wear and tear in machines aggravation, and are provided
A kind of marine main engine and flywheel energy storage system work together device.Flywheel energy storage system is applied to ship by the utility model, is led to
Crossing Energy Management System makes flywheel energy storage dress system and marine main engine work together, and makes marine main engine is sustainable to run on low oil consumption
Operating condition saves cost, and marine main engine is maintained to work in higher load, is conducive to its operating and reduces noxious emission, increases work
Make the service life, reduces maintenance.
The technological means that the utility model uses is as follows:
A kind of marine main engine and flywheel energy storage system work together device, comprising:
Host system, including marine main engine, clutch, drive shaft system, propeller, gear-box and axle generator, it is described
Marine main engine is connected with drive shaft system by driven by clutches, and the drive shaft system front end is provided with propeller, and the spiral
Paddle rotates under the driving of drive shaft system, and ship is pushed to advance, and the drive shaft system is connect by gear-box with axle generator,
So that the rotation of the drive shaft system is driven by gear-box, the axle generator generates electricity or the drive shaft system passes through tooth
Roller box rotates under the driving of the axle generator；
Flywheel energy storage system, including flywheel, reversible electric/generator and vacuum chamber, the flywheel and reversible electric/
Generator is set to the vacuum chamber, and the reversible electric/generator is for driving the flywheel rotation accumulation of energy or in flywheel
Inertial rotation driving lower drive the reversible electric/electrical power generators；
Distribution system, including main distribution board, the first electron electric power element and the second electron electric power element, the main distribution board
It is connected with the axle generator by the first electron electric power element, and the axle generator passes through the first electron electric power element
It transmits electric power or axle generator rotation under being driven by electricity that main distribution board distributes, and passes through to the main distribution board
Gear-box, drive shaft system drive the propeller rotary work；
When marine main engine running on the lower load to designated value, the axle generator power generation, and electric power is passed sequentially through first
Electron electric power element, main distribution board and the second electron electric power element, are transmitted to flywheel energy storage system, drive the reversible electricity
Dynamic/generator rotation, and then flywheel is driven to rotate accumulation of energy；
When marine main engine high load capacity operating condition to designated value or failure do not work, described in the flywheel inertial rotation drive
Reversible electric/electrical power generators, and electric power is passed sequentially through into the second electron electric power element, main distribution board and the first electron electric power
Element is transmitted to the axle generator, and the axle generator is driven to rotate, and drives drive shaft system and spiral by gear-box
Paddle rotation.
Further, rotary shaft is equipped in the vacuum chamber, the rear and front end of the rotary shaft is respectively equipped with first bearing
And second bearing, the flywheel and reversible electric/generator are set in the rotary shaft.
Further, the flywheel is high speed flywheel made of high strength composite.
Further, the reversible electric/generator uses permanent-magnetic brush-less DC synchronous motor.
Further, the first bearing and second bearing are magnetic suspension bearing, and machinery is equipped in the rotary shaft
Bearing is protected, for supporting rotary shaft when magnetic suspension bearing failure.
Further, the first electron electric power element and the second electron electric power element are the electricity with Bidirectional variable-flow function
Force transducer.
Further, the flywheel energy storage system is additionally provided with the monitoring device of monitoring Speed of Reaction Wheels.
Compared with the prior art, the utility model has the advantage that
1, marine main engine is sustainable runs on low oil consumption operating condition, saves fuel cost.
2, marine main engine can maintain to work in higher load, be conducive to its long time running, increase working life, reduce dimension
Repair cost of upkeep.
3, it maintains host combustion conditions good, fundamentally reduces harmful substance and generate, control noxious emission, meet discharge
It is required that.
4, flywheel energy storage system energy storage density is big, high-efficient, can be in marine main engine failure by fast to axle generator
Speed power supply provides emergency power for ship, enhances security of shipping.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is done simply to introduce, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the utility model marine main engine and flywheel energy storage system associated working device.
Wherein: 1, marine main engine, 2, clutch, 3, drive shaft system, 4, axle generator, 5, propeller, 6, main distribution board,
7, the first electron electric power element, the 8, second electron electric power element, 9, flywheel, 10, first bearing, 11, reversible electric/power generation
Machine, 12, second bearing, 13, vacuum chamber, 14, gear-box.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Below at least one example
The description only actually of property embodiment be it is illustrative, never as to the utility model and its application or any limit used
System.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the utility model.As used herein, unless the context clearly indicates otherwise, otherwise singular
Form be also intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and/or
When " comprising ", existing characteristics, step, operation, device, component and/or their combination are indicated.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be clear that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.Skill known for person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model: the noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
As shown in Figure 1, the utility model provides a kind of marine main engine and flywheel energy storage system works together device, packet
It includes: providing the host system of thrust power, the flywheel energy storage system that energy can be stored, distribution system and energy management system for ship
It unites (EMS), the host system includes marine main engine 1, clutch 2, drive shaft system 3, propeller 5, gear-box 14 and axis band hair
Motor 4, the marine main engine 1 are sequentially connected with drive shaft system 3 by clutch 2, and 3 front end of drive shaft system is provided with spiral
Paddle 5, and the propeller 5 rotates under the driving of drive shaft system 3, and ship is pushed to advance, the drive shaft system 3 and shaft generator
Machine 4 is connected by gear-box 14, enables the low speed rotation of the drive shaft system 3 by driving the axis after 14 speedup of gear-box
The power generation of band generator 4 or the drive shaft system 3 are rotated under the driving of 4 rotor of axle generator by gear-box 14；Institute
Stating flywheel energy storage system includes flywheel 9, reversible electric/generator 11 and vacuum chamber 13, and the flywheel 9 and reversible electric/
Generator 11 is set to the vacuum chamber 13, and the reversible electric/generator 11 for drive the flywheel 9 rotate accumulation of energy or
Reversible electric/the generator 11 is driven to generate electricity under the inertial rotation driving of flywheel 9；The distribution system includes main distribution
Plate 6, the first electron electric power element 7 and the second electron electric power element 8, the main distribution board 6 are connected by the first electron electric power element 7
It is connected to the axle generator 4, and the axle generator 4 is conveyed by the first electron electric power element 7 to the main distribution board 6
The rotation under being driven by electricity that main distribution board 6 distributes of electric power or the axle generator 4, and pass through gear-box 14, drive shaft system
3 drive 5 rotary work of propeller；
When 1 running on the lower load of marine main engine to designated value, the axle generator 4 generates electricity, and electric power is passed sequentially through the
One electron electric power element 7, main distribution board 6 and the second electron electric power element 8 are transmitted to flywheel energy storage system, drive described reversible
Formula dynamoelectric machine 11 rotates, and then flywheel 9 is driven to rotate accumulation of energy；When 1 high load capacity operating condition of marine main engine to designated value, or therefore
When barrier does not work, 9 inertial rotation of flywheel drives the reversible electric/generator 11 to generate electricity, and electric power is passed sequentially through
Second electron electric power element 8, main distribution board 6 and the first electron electric power element 7, are transmitted to the axle generator 4, described in driving
Axle generator 4 rotates, and drives drive shaft system 3 and propeller 5 to rotate by gear-box 14.
In the embodiments of the present invention, the marine main engine 1 is mounted on cabin tail portion, passes through biography with propeller 5
3 connection of moving axis system pushes ship to advance, and the axle generator 4 is installed between marine main engine 1 and propeller 5, the transmission
When shafting 3 drives 4 rotor of axle generator to rotate by gear-box 14, the marine main engine 1 serves as axle generator 4
Prime mover.
In the embodiments of the present invention, the Energy Management System includes electric generation management subsystem, load pipe
Manage subsystem, distribution management subsystem；The load management subsystem has bearing power detection, power limit, load solution
The functions such as column；The electric generation management subsystem can control the starting, stopping and vehicle and off-the-line of generating set, to power supply
Network real-time monitoring, control；The distribution management subsystem can realize electrical arrangement and order control；Energy Management System inspection
1 load of marine main engine is surveyed lower than after certain value (can set), issues signal to flywheel energy storage system, control flywheel energy storage system fills
Electronic work serves as a power load, and marine main engine 1 is maintained to run under higher load, similarly, when 1 load of marine main engine is high
When certain value (can set), flywheel energy storage system discharging action is controlled.
In the embodiments of the present invention, the marine main engine 1 is large-sized low-speed diesel engine, and combusting heavy oil is external
Acting；The axle generator 4 may operate in electric motor mode or generator mode；The clutch 2 is located at described
Between host 1 and the axle generator 4, when 1 failure of marine main engine does not work, clutch 2 is disengagable, makes axle generator 4
Electric motor mode is worked in, flywheel energy storage system electric discharge drives propeller 5 by axle generator 4, provides emergency power.
In the embodiments of the present invention, the marine main engine 1 passes through described with the flywheel energy storage system
Energy Management System (EMS) associated working；The Energy Management System, which has, to be detected 1 load of host, controls described fly
Take turns the function of energy-storage system charge and discharge.
In the embodiments of the present invention, rotary shaft, the front and back two of the rotary shaft are equipped in the vacuum chamber 13
End is respectively equipped with first bearing 10 and second bearing 12, and the flywheel 9 and reversible electric/generator 11 are set to the rotary shaft
On.The flywheel 9 and the motor 11 are coaxially connected, and the flywheel 9 works in the vacuum chamber 13, and main function is
Vacuum environment is provided, windage loss when reversible electric/generator 11 is run is reduced.
In the embodiments of the present invention, the flywheel 9 is high speed flywheel made of high strength composite, institute
Stating high strength composite is glass fibre or carbon fiber etc., and purpose makes flywheel 9 work in higher revolving speed, stores more energy.
In the embodiments of the present invention, the reversible electric/generator 11 is same using permanent-magnetic brush-less DC
Motor is walked, operating mode is electronic/power generation bidirectional reversible formula, and structure is simple, operational efficiency is high, good speed adjustment features, for example, existing
There is reachable 36000 turns of the high-speed permanent magnet motor that product G TR200 is used.
In the embodiments of the present invention, the first bearing 10 and second bearing 12 are magnetic suspension bearing, and
The rotary shaft is equipped with mechanical protection bearing, for supporting rotary shaft, 10 He of first bearing when magnetic suspension bearing failure
Second bearing 12 is low-loss bearing, with the carrying of friction free state, the setting of mechanical protection bearing, in magnetic in vacuum environment
Rotary shaft rotor is supported when suspension bearing fails.
In the embodiments of the present invention, the first electron electric power element 7 and the second electron electric power element 8 are tool
There is the electric power converter of Bidirectional variable-flow function, the flexibility and controllability of flywheel energy storage system can be improved, transformation of electrical energy will be exported
(frequency modulation, rectification or constant pressure etc.) is the electric energy for meeting load power reguirements, and the axle generator 4 passes through the shaft generator
It is connected after 7 frequency modulation of the first electron electric power of pusher side element, pressure regulation, synchroballistic with the main distribution board 6.
In the embodiments of the present invention, the flywheel energy storage system is additionally provided with the monitor of monitoring 9 revolving speed of flywheel
Table.The monitoring device can also detect the temperature of first bearing 10 and second bearing 12, and the parameters such as 13 vacuum degree of vacuum chamber can
Accurately to detect the energy stored by flywheel 9.
As shown in Figure 1, the application method of a kind of above-mentioned marine main engine and flywheel energy storage system associated working device, including with
Lower step:
When anchorage regardless, etc. diversions or when entering and leaving port, marine main engine 1 is in underload, varying load condition, at this time host 1
Combustion position is poor, and oil consumption is high, discharges exceeded, low efficiency, and Energy Management System detects 1 load of marine main engine lower than certain value
Afterwards, signal is sent to flywheel energy storage system, so that flywheel energy storage system is worked in charge mode, at this time reversible electric/generator
With motor-operation, 11 side current transformer of reversible electric/generator drives reversible electric/generator 11 to drive flywheel 9
Accelerate rotation, the electric energy conversion that the axle generator 4 under shaft generator (Power take off, PTO) mode is issued
For the kinetic energy of flywheel 9, marine main engine 1 is maintained to run under higher load, improves 1 runnability of marine main engine.
When marine main engine 1 is in high load capacity, Energy Management System control flywheel energy storage system is run with discharge mode, this
When flywheel 9 generate electricity by inertia dragging reversible electric/generator 11, the supply of the electric energy of sending is in motor (Power
Take in, PTI) axle generator 4 that is worked under mode in a manner of motor, it makes it through gear-box 14 and marine main engine 1 is total
With driving propeller 5.
Remaining moment flywheel energy storage system works in holding mode, and flywheel rotor 9 continues to rotate by inertia under the mode,
Flywheel energy storage system is run in a manner of lowest loss.
In the embodiments of the present invention, it is contemplated that before approaching, store energy in flywheel energy storage system, after approaching, fly
Wheel 9 generates electricity by inertia dragging reversible electric/generator 11, and supplies the main distribution board 6, for other load power consumptions.
In the embodiments of the present invention, when 1 failure of marine main engine does not work, clutch 2 is disconnected, and flywheel 9 is used
Property rotation drive the reversible electric/generator 11 to generate electricity, and by power transmission to the axle generator 4, described in driving
Axle generator 4 rotates, and drives drive shaft system 3 and propeller 5 to rotate by gear-box 14.
Marine main engine described in the utility model and flywheel energy storage system associated working device and its application method, by flywheel
Energy-storage system is applied to ship, so that energy accumulation device for fly wheel and marine main engine is worked together by Energy Management System, makes host can
Continuous running saves cost in low oil consumption operating condition, and host work can be maintained in higher load, is conducive to its operating and reduces
Noxious emission increases working life, reduces maintenance.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (7)
- The device 1. a kind of marine main engine and flywheel energy storage system work together characterized by comprisingHost system, including marine main engine, clutch, drive shaft system, propeller, gear-box and axle generator, the ship Host is connected with drive shaft system by driven by clutches, and the drive shaft system front end is provided with propeller, and the propeller exists It is rotated under the driving of drive shaft system, ship is pushed to advance, the drive shaft system is connect by gear-box with axle generator, and institute is made The rotation for stating drive shaft system can drive the axle generator power generation or the drive shaft system to pass through gear-box by gear-box It is rotated under the driving of the axle generator；Flywheel energy storage system, including flywheel, reversible electric/generator and vacuum chamber, the flywheel and reversible electric/power generation Machine is set to the vacuum chamber, and the reversible electric/generator is used to drive the flywheel rotation accumulation of energy or in the used of flywheel Property rotation driving is lower drives the reversible electric/electrical power generators；Distribution system, including main distribution board, the first electron electric power element and the second electron electric power element, the main distribution board pass through First electron electric power element is connected with the axle generator, and the axle generator passes through the first electron electric power element to institute It states main distribution board to transmit electric power or axle generator rotation under being driven by electricity that main distribution board distributes, and passes through gear Case, drive shaft system drive the propeller rotary work；When marine main engine running on the lower load to designated value, the axle generator power generation, and electric power is passed sequentially through into the first electronics Force device, main distribution board and the second electron electric power element, are transmitted to flywheel energy storage system, drive the reversible electric/hair Motor rotation, and then flywheel is driven to rotate accumulation of energy；When marine main engine high load capacity operating condition to designated value or failure do not work, the flywheel inertial rotation drives described reversible The power generation of formula dynamoelectric machine, and electric power is passed sequentially through into the second electron electric power element, main distribution board and the first electron electric power member Part is transmitted to the axle generator, and the axle generator is driven to rotate, and drives drive shaft system and propeller by gear-box Rotation.
- The device 2. marine main engine according to claim 1 and flywheel energy storage system work together, which is characterized in that described true It is equipped with rotary shaft in empty room, the rear and front end of the rotary shaft is respectively equipped with first bearing and second bearing, the flywheel and can Inverse formula dynamoelectric machine is set in the rotary shaft.
- The device 3. marine main engine according to claim 1 and flywheel energy storage system work together, which is characterized in that described Flywheel is high speed flywheel made of high strength composite.
- The device 4. marine main engine according to claim 1 and flywheel energy storage system work together, which is characterized in that described Reversible electric/generator uses permanent-magnetic brush-less DC synchronous motor.
- The device 5. marine main engine according to claim 2 and flywheel energy storage system work together, which is characterized in that described the One bearing and second bearing are magnetic suspension bearing, and mechanical protection bearing is equipped in the rotary shaft, are used for magnetic suspension bearing Rotary shaft is supported when failure.
- The device 6. marine main engine according to claim 1 and flywheel energy storage system work together, which is characterized in that described the One electron electric power element and the second electron electric power element are the electric power converter with Bidirectional variable-flow function.
- The device 7. marine main engine according to claim 1 and flywheel energy storage system work together, which is characterized in that described to fly Wheel energy-storage system is additionally provided with the monitoring device of monitoring Speed of Reaction Wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613043.5U CN209627136U (en) | 2019-04-30 | 2019-04-30 | Marine main engine and flywheel energy storage system associated working device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920613043.5U CN209627136U (en) | 2019-04-30 | 2019-04-30 | Marine main engine and flywheel energy storage system associated working device |
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| CN209627136U true CN209627136U (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995182A (en) * | 2019-04-30 | 2019-07-09 | 大连海事大学 | Marine main engine and flywheel energy storage system associated working device and its application method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995182A (en) * | 2019-04-30 | 2019-07-09 | 大连海事大学 | Marine main engine and flywheel energy storage system associated working device and its application method |
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