CN104333172A - Ship-used permanent magnet motor propeller - Google Patents
Ship-used permanent magnet motor propeller Download PDFInfo
- Publication number
- CN104333172A CN104333172A CN201410559064.5A CN201410559064A CN104333172A CN 104333172 A CN104333172 A CN 104333172A CN 201410559064 A CN201410559064 A CN 201410559064A CN 104333172 A CN104333172 A CN 104333172A
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- CN
- China
- Prior art keywords
- rotor cover
- rotor
- stator
- sleeve
- shell
- 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
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Classifications
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to a ship-used permanent magnet motor propeller, which comprises a motor, a shell and a propeller, and is characterized in that the motor is a permanent magnet motor; the permanent magnet motor comprises a stator and a rotor; the stator comprises a stator sleeve; the stator sleeve is located inside the shell; the stator sleeve is internally, circumferentially and uniformly provided with stator coils; an insulated layer is arranged outside the stator coil; the rotor comprises a rotor sleeve; permanent magnets are circumferentially and uniformly arranged inside the rotor sleeve; a gap is left between the permanent magnet and the stator coil; bearings are arranged between two ends of the stator sleeve and two ends of the rotor sleeve; two ends of the stator sleeve and two ends of the rotor sleeve are provided with round air guide sleeves; the air guide sleeve has a nearly conical cross section, and two edges are respectively connected with the same ends of the shell and the rotor sleeve; paddle blades are circumferentially and uniformly arranged inside the rotor sleeve; and the rotor sleeve and the inner circumferential paddle blades form the propeller. The ship-used permanent magnet motor propeller is simple in structure, small in size, small in occupied space, and little in noise, facilitates health of an operator, can avoid environmental pollution, and can be applied to a ship.
Description
Technical field
The present invention relates to a kind of ship's propeller.Specifically, be adopt magneto as power, be suitable for magneto propeller that boats and ships use.
Background technology
All know in shipbuilding industry, the propeller that current boats and ships use is all traditional propeller.This traditional propeller comprises shell, has motor, gear box, screw in shell, and screw is wherein made up of oar axle and the blade be fixed on oar axle.The output shaft of described motor is connected with the power shaft of gear box, and the output shaft of gear box is connected with the oar axle of screw.During work, drive the turbine on oar axle and oar axle to rotate by motor by gear box, thus produce the propelling that forward thrust realizes boats and ships.Because conventional bulk propeller contains motor, gear box and screw, and screw is made up of oar axle and the turbine be fixed on oar axle, makes complicated structure, transmission efficiency low.Again because traditional propeller contains motor, gear box and screw, and screw is made up of oar axle and the turbine be fixed on oar axle, and volume is large, occupies installing space many.Because traditional propeller contains motor, gear box and screw, and screw is made up of oar axle and the turbine be fixed on oar axle, all machine driving between rotor axis of electric and motor housing, between oar axle and axle bed, all need bearing and lubricating oil, make drive noise large, be unfavorable for operator ' s health.And lubricating oil is easily revealed, pollution can be brought to water environment.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of magneto propeller peculiar to vessel.This propeller, structure is simple, and volume is little, occupies installing space few, and noise is little is conducive to operator ' s health, can not bring pollution to water environment.
The problems referred to above that the present invention will solve are realized by following technical scheme:
Magneto propeller peculiar to vessel of the present invention comprises motor, shell and screw; Be characterized in that described motor is magneto, this magneto comprises stators and rotators, and described stator contains stator sleeve, and stator sleeve to be in shell and in secure fit between the two.Stator sleeve inner periphery, to being evenly equipped with stator coil, has insulating barrier outside stator coil.Described rotor contains rotor cover, and rotor cover inner periphery, to being evenly equipped with permanent magnet, leaves spacing between described permanent magnet and described stator coil.Stator sleeve two ends and rotor overlap between two ends bearing.All there is kuppe at the two ends of described stator sleeve and rotor cover, and described kuppe is annular, and its cross section is approximate cone-shape, and same one end that its both sides are overlapped with shell and rotor is respectively connected.The inner periphery of described rotor cover to being evenly equipped with blade, overlapped by rotor and its inner periphery to blade form described screw.
Improvement project of the present invention is, the length of described shell and rotor cover is equal, and the length of described stator sleeve is less than rotor cover.All have fixed mount between the two ends of shell and rotor cover and kuppe, described fixed mount is annular slab, and the outside of the outside of fixed mount and one end of shell and kuppe links together, and the inside of fixed mount and the inside of kuppe link together.Have axial internal projection in the middle of the medial surface of fixed mount, the cylindrical of rotor cover is close to Chu Junyou footpath, two ends outwardly convex, and the height of described footpath outwardly convex is greater than the inwardly protruded outside diameter of axle, and has spacing between the lateral surface of footpath outwardly convex and axial internal projection; Between that section of rotor of described bearing outside axial internal projection and footpath outwardly convex overlaps.
Further improvement of the present invention scheme is, described bearing is water lubriucated bearing, its cross section is L shape, described L shape transverse part outer end all outwardly, between described L shape transverse part that section of rotor be in outside axial internal projection and footpath outwardly convex overlaps, the L shape vertical part of water lubriucated bearing is between axial internal projection and footpath outwardly convex.Described L shape transverse part and vertical part external circumferential are evenly equipped with mutual correspondence and the groove be communicated with; Spacing is had between the L shape vertical part outer edge of described water lubriucated bearing and described shell, trim ring is had in spacing, this trim ring is fixing, and inner end and the stator sleeve outer end of described trim ring offset inside the shell, coordinate between trim ring with the L shape vertical part outer edge of water lubriucated bearing by sealing ring in sealing shape; All have the baffle ring for blocking stator coil in described stator sleeve two ends, the inner circle of described baffle ring and rotor overlap between inner circle in matched in clearance.All there is gap between described rotor cover two ends and fixed mount medial surface, form cooled with seawater water route by the groove outside this gap, water lubriucated bearing L shape transverse part and vertical part and the spacing between permanent magnet and the spacing between permanent magnet and stator coil.
Further improvement of the present invention scheme is, all there is cannelure at rotor cover two ends, have filtering ring, and have gap between the fixed mount medial surface of described filtering ring and its offside in cannelure.
Wherein, described filtering ring is rubber ring.
Described blade has three at least, all there is arc described blade outer end, in integrative-structure between the outer end of described blade and arc, radian and the rotor of described arc overlap inner circle radian identical and the two between be fixed together, spacing is had, to form shaftless screw oar between described blade inner end.
Further improvement project of the present invention is, described rotor cover inner circle circumference is fluted, the described circumference uniform distribution of arc along groove being connected with blade, the axial restraint limited location bar between adjacent two arcs, the adjacent side of described arc is all fixed on positive stop strip by fixed head.
Take such scheme, have the following advantages:
As can be seen from the above scheme, because described motor is magneto, this magneto comprises stators and rotators, and described stator contains stator sleeve, and stator sleeve inner periphery is to being evenly equipped with stator coil.Described rotor contains rotor cover, and rotor cover inner periphery, to being evenly equipped with permanent magnet, leaves spacing between described permanent magnet and described stator coil.Stator sleeve two ends and rotor overlap between two ends and coordinate in sealing shape by bearing.All there is kuppe at the two ends of described stator sleeve and rotor cover.The inner periphery of described rotor cover to being evenly equipped with blade, overlapped by rotor and its inner periphery to blade form described screw.During work, by being energized to magneto, the stator be made up of the stator coil on stator sleeve and inner circle thereof can produce alternating magnetic field, make to be overlapped by rotor and excircle to the rotor that forms of permanent magnet produce rotation torque, and rotor driven cover inner periphery to blade rotate together, realize the propelling to boats and ships.Compared with the traditional propeller in background technology, do not need motor output shaft, gear box and oar axle, only by magneto and and be the blade of integrative-structure with pivoted housing inner circle, just can realize the propelling of boats and ships, simplification can structure, improves transmission efficiency.Again due to the present invention only by magneto with to overlap inner circle with rotor be that the parts such as the blade of integrative-structure form, structure is simple, makes small volume, occupies installing space less.Due to the present invention only by magneto with to overlap inner circle with rotor be that the parts such as the blade of integrative-structure form, what the stator sleeve of magneto and the bearing of rotor inner room adopted is water lubriucated bearing, do not need bearing and lubricating oil, thus reduce drive noise, not only be conducive to the health of operating personnel, and avoid lubricating oil and easily reveal the pollution that water environment is brought.In addition, owing to adopting water lubrication, gap is provided with between described rotor cover two ends and fixed mount medial surface, cooled with seawater water route is formed by the groove outside this gap, water lubriucated bearing L shape transverse part and vertical part and the spacing between permanent magnet and the spacing between permanent magnet and stator coil, achieve the cooling to magneto, avoid the heating of magneto.
Accompanying drawing explanation
Fig. 1 is magneto propeller structure schematic diagram peculiar to vessel of the present invention;
Fig. 2 is the I point enlarged diagram of Fig. 1;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 is water lubriucated bearing perspective view.
Embodiment
As shown in Fig. 1 ~ Fig. 3, magneto propeller peculiar to vessel of the present invention comprises motor, shell 8 and screw.Described motor is magneto, and this magneto contains stators and rotators, and described stator contains stator sleeve 9.Described stator sleeve 9 and shell 8 are cylinder, and stator sleeve 9 to be in shell 8 and in secure fit between the two.The circumference of stator sleeve 9 inner circle is evenly equipped with stator coil 10, is surrounded by insulating barrier 12 outside stator coil 10.Described insulating barrier 12 is plastic products.
Described rotor contains rotor cover 18, and described rotor cover 18 be cylinder, rotor overlap 18 all with shell 8 and stator sleeve 9 concentric.The circumference that rotor overlaps 18 inner circles is evenly equipped with permanent magnet 11, leaves spacing between described permanent magnet 11 and described stator coil 10.Stator sleeve 9 two ends and rotor overlap between 18 two ends and arrange bearing.The two ends of described stator sleeve 9 and rotor cover 18 are all provided with kuppe 4, and described kuppe 4 is annular, and its cross section is approximate cone-shape, and same one end that its both sides overlap 18 with shell 8 and rotor is respectively connected.The inner periphery of described rotor cover 18 to being evenly equipped with blade 19, thus overlaps 18 and overlap with rotor the blade 19 that 18 inner circles are connected and form described screw by rotor.
Overlap the connection between 18 for ease of kuppe 4 and shell 8 and rotor, the length of described shell 8 and rotor cover 18 is equal, and the length of described stator sleeve 9 is less than rotor cover 18.And shell 8 and rotor cover 18 two ends and kuppe 4 between be provided with fixed mount 6.Described fixed mount 6 is annular slab, links together between the outside of the outside of fixed mount 6 and one end of shell 8 and kuppe 4 by bolt 16 and nut 15, links together between the inside of fixed mount 6 and the inside of kuppe 4 by screw bolt and nut.The medial surface of fixed mount 6 cross section is processed with axial internal projection 17 close to middle, the cylindrical of rotor cover 18 is all processed with footpath outwardly convex 21 close to two ends place, the height of described footpath outwardly convex 21 is greater than the outside diameter of axial internal projection 17, and leaves spacing between the lateral surface of footpath outwardly convex 21 and axial internal projection 17.That section rotor of described bearing outside axial internal projection 17 and footpath outwardly convex 21 overlaps between 18.
As shown in Figure 4, described bearing is water lubriucated bearing, and it is annulus, and its cross section is L shape.All outwardly, described L shape transverse part 7 that section of rotor be in outside axial internal projection 17 and footpath outwardly convex 21 overlaps between 18 the outer edge of described L shape transverse part 7, and the L shape vertical part 5 of water lubriucated bearing is between axial internal projection 17 and footpath outwardly convex 21.Described L shape transverse part 7 and vertical part 5 external circumferential are evenly equipped with mutual correspondence and the groove 22 be communicated with.Leave spacing between L shape vertical part 5 outer edge of described water lubriucated bearing and described shell 8, be provided with trim ring 13 in spacing, this trim ring is fixed on inside shell 8.Inner end and stator sleeve 9 outer end of described trim ring 13 offset, and coordinate between trim ring 13 with L shape vertical part 5 outer edge of water lubriucated bearing by sealing ring 14 in sealing shape.All be fixed with the baffle ring 20 for blocking stator coil 10 inside described stator sleeve 9 two ends, the inner circle of described baffle ring 20 and rotor overlap between 18 inner circles and all leave gap, and the inner circle of baffle ring 20 and rotor are overlapped between 18 inner circles in matched in clearance.Described rotor overlaps between 18 two ends and fixed mount 6 medial surface and all leaves gap, form cooling water channel by the groove 22 outside this gap, water lubriucated bearing L shape transverse part 7 and vertical part 5 and the spacing between permanent magnet 11 and the spacing between permanent magnet 11 and stator coil 10, make described bearing be water lubriucated bearing.
For avoiding the impurity in water to enter water route, avoiding water line block, overlapping 18 two ends at rotor and being all processed with cannelure, in cannelure, filtering ring 3 being all installed, and have gap between fixed mount 6 medial surface of described filtering ring 3 and its offside.Described filtering ring 3 is rubber ring, and its diameter is greater than the degree of depth of cannelure and and leaves gap between the adjacent side of fixed mount 6.
The curved surface of described blade 19 is free form surface.Described blade 19 has seven, blade 19 outer end is provided with arc 2, one is cast between the outer end of described blade 19 and arc 2, radian and the rotor of described arc 2 overlap the radian of 18 inner circles identical and the two between be fixed together, leave spacing between described blade 19 inner end, thus form shaftless screw oar.Blade 19 wherein adopts epoxy resin nano composites to make, and the main formula of this epoxy resin nano composites is: CNT (carbon nano-tube) 40%, imvite 25%, bisphenol A type epoxy resin 30%, and all the other 5% are filler.
For ease of the installation of blade 19 and arc 2, overlap 18 inner circle circumference at described rotor and be processed with groove, the described circumference uniform distribution of arc 2 along groove being connected with blade 19, axis between adjacent two arcs 2 is all fixed with positive stop strip 1, and the adjacent side of described arc 2 is all fixed on by positive stop strip 1 and screw in the inner circle of rotor cover 18.
During work, by being energized to stator coil 10, stator can produce alternating electromagnetic field, makes the rotor be made up of the permanent magnet 11 on rotor cover 18 and its lateral surface produce rotation torque, drive and overlap 18 blades be connected as a single entity 19 with rotor and rotate, thus realize the propelling to boats and ships.
Claims (7)
1. magneto propeller peculiar to vessel, comprises motor, shell (8) and screw; It is characterized in that described motor is magneto, this magneto comprises stators and rotators, and described stator contains stator sleeve (9), and stator sleeve (9) to be in shell (8) and in secure fit between the two; The inner periphery of stator sleeve (9) is to being evenly equipped with stator coil (10), and there is insulating barrier (12) stator coil (10) outside; Described rotor contains rotor cover (18), and rotor cover (18) inner periphery, to being evenly equipped with permanent magnet (11), leaves spacing between described permanent magnet (11) and described stator coil (10); All bearing is had between stator sleeve (9) two ends and rotor cover (18) two ends; All there is kuppe (4) at the two ends of described stator sleeve (9) and rotor cover (18), and described kuppe (4) is annular, and its cross section is approximate cone-shape, and its both sides are connected with shell (8) same one end with rotor cover (18) respectively; The inner periphery of described rotor cover (18) to being evenly equipped with blade (19), by rotor cover (18) and its inner periphery to blade (19) form described screw.
2. magneto propeller peculiar to vessel according to claim 1, is characterized in that the length of described shell (8) and rotor cover (18) is equal, and the length of described stator sleeve (9) is less than rotor cover (18); Fixed mount (6) is all had between the two ends of shell (8) and rotor cover (18) and kuppe (4), described fixed mount (6) is annular slab, the outside of the outside of fixed mount (6) and one end of shell (8) and kuppe (4) links together, and the inside of fixed mount (6) and the inside of kuppe (4) link together; Axial internal projection (17) is had in the middle of the medial surface of fixed mount (6), the cylindrical of rotor cover (18) is close to Chu Junyou footpath, two ends outwardly convex (21), the height in described footpath outwardly convex (21) is greater than the outside diameter of axial internal projection (17), and has spacing between the lateral surface of footpath outwardly convex (21) and axial internal projection (17); Described bearing is positioned between that section of rotor cover (18) in axial internal projection (17) and footpath outwardly convex (21) outside.
3. magneto propeller peculiar to vessel according to claim 2, it is characterized in that described bearing is water lubriucated bearing, its cross section is L shape, described L shape transverse part (7) outer end all outwardly, described L shape transverse part (7) is between that section of rotor cover (18) in axial internal projection (17) and footpath outwardly convex (21) outside, and described L shape vertical part (5) is between axial internal projection (17) and footpath outwardly convex (21); Described L shape transverse part (7) and vertical part (5) external circumferential are evenly equipped with mutual correspondence and the groove be communicated with (22); Spacing is had between L shape vertical part (5) outer edge of described water lubriucated bearing and described shell (8), trim ring (13) is had in spacing, this trim ring is fixed on shell (8) inner side, inner end and stator sleeve (9) outer end of described trim ring (8) offset, and coordinate between trim ring (8) with L shape vertical part (5) outer edge of water lubriucated bearing by sealing ring (14) in sealing shape; The baffle ring (20) for blocking stator coil (10) is all had, in matched in clearance between the inner circle of described baffle ring (20) and rotor cover (18) inner circle in described stator sleeve (9) two ends; All there is gap between described rotor cover (18) two ends and fixed mount (6) medial surface, form cooling water channel by the spacing between the groove (22) in this gap, water lubriucated bearing L shape transverse part (7) and vertical part (5) outside and permanent magnet (11) and spacing between permanent magnet (11) and stator coil (10).
4. magneto propeller peculiar to vessel according to claim 3, is characterized in that all there is cannelure at rotor cover (18) two ends, has filtering ring (3) in cannelure, and has gap between fixed mount (6) medial surface of described filtering ring (3) and its offside.
5. magneto propeller peculiar to vessel according to claim 4, is characterized in that described filtering ring (3) is rubber ring.
6. magneto propeller peculiar to vessel according to claim 1, it is characterized in that described blade (19) has three at least, all there is arc (2) described blade (19) outer end, in integrative-structure between the outer end of described blade (19) and arc (2), the radian of described arc (2) identical with rotor cover (18) inner circle radian and the two between be fixed together, spacing is had, to form shaftless screw oar between described blade (19) inner end.
7. magneto propeller peculiar to vessel according to claim 6, it is characterized in that described rotor cover (18) inner circle circumference is fluted, the described circumference uniform distribution of arc (2) along groove being connected with blade (19), axial restraint limited location bar (1) between adjacent two arcs (2), the adjacent side of described arc (2) is all fixed in rotor cover (18) inner circle by screw and positive stop strip (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559064.5A CN104333172A (en) | 2014-10-18 | 2014-10-18 | Ship-used permanent magnet motor propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410559064.5A CN104333172A (en) | 2014-10-18 | 2014-10-18 | Ship-used permanent magnet motor propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104333172A true CN104333172A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410559064.5A Pending CN104333172A (en) | 2014-10-18 | 2014-10-18 | Ship-used permanent magnet motor propeller |
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| CN (1) | CN104333172A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105144893A (en) * | 2015-09-30 | 2015-12-16 | 中国科学院东北地理与农业生态研究所 | Irrigation and drainage method for improving soda alkali-saline paddy field in field steeping period |
| CN105270594A (en) * | 2014-06-15 | 2016-01-27 | 鲍小福 | Permanent magnet motor propulsion technology |
| CN107061316A (en) * | 2016-12-05 | 2017-08-18 | 齐春林 | Superconducting magnetic rotary blade and liquid propeller |
| CN107140162A (en) * | 2017-04-13 | 2017-09-08 | 王连山 | Magnetcisuspension suspension propeller and submarine |
| CN108146604A (en) * | 2017-12-18 | 2018-06-12 | 合肥凯石投资咨询有限公司 | A kind of water sky double-purpose ship propulsion system based on magneto |
| CN108528651A (en) * | 2018-03-28 | 2018-09-14 | 合肥凯石投资咨询有限公司 | Aircraft electromagnetic runway |
| CN109378910A (en) * | 2018-10-23 | 2019-02-22 | 中船天力（天津）科技股份有限公司 | Magnetcisuspension suspension propeller |
| CN110562421A (en) * | 2019-07-15 | 2019-12-13 | 和近建 | Ducted helical drum propeller and lateral control valve system |
| CN110697012A (en) * | 2019-10-15 | 2020-01-17 | 浙江华船海工科技有限公司 | Pod type electric shaftless pump spraying propeller |
| CN112537430A (en) * | 2020-12-15 | 2021-03-23 | 上海瀚星船舶科技有限公司 | Ship propulsion device |
| CN113382920A (en) * | 2018-12-14 | 2021-09-10 | Abb 有限公司 | Propulsion unit for cycloidal ship and ship equipped with same |
| CN114635920A (en) * | 2020-12-15 | 2022-06-17 | 中国科学院宁波材料技术与工程研究所 | Suspension bearing, control method and application thereof |
| CN114906308A (en) * | 2022-06-23 | 2022-08-16 | 宁波海伯集团有限公司 | Electric propeller for ship |
| CN115158622A (en) * | 2022-06-15 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Integrated motor propulsion unit suitable for complex water area |
| CN115384739A (en) * | 2022-09-06 | 2022-11-25 | 中国科学院宁波材料技术与工程研究所 | Low-temperature underwater propeller |
| CN115817778A (en) * | 2022-12-07 | 2023-03-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Rim propeller with axial magnetic field |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105270594A (en) * | 2014-06-15 | 2016-01-27 | 鲍小福 | Permanent magnet motor propulsion technology |
| CN105144893A (en) * | 2015-09-30 | 2015-12-16 | 中国科学院东北地理与农业生态研究所 | Irrigation and drainage method for improving soda alkali-saline paddy field in field steeping period |
| CN105144893B (en) * | 2015-09-30 | 2017-12-26 | 中国科学院东北地理与农业生态研究所 | A kind of soaked field phase for improveing soda alkaline land paddy field fills water discharge method |
| CN107061316B (en) * | 2016-12-05 | 2023-12-26 | 上海创玑智能信息科技有限公司 | Superconducting magnetic rotary impeller and fluid propeller |
| CN107061316A (en) * | 2016-12-05 | 2017-08-18 | 齐春林 | Superconducting magnetic rotary blade and liquid propeller |
| CN107140162B (en) * | 2017-04-13 | 2018-11-20 | 王连山 | Magnetcisuspension suspension propeller and submarine |
| CN107140162A (en) * | 2017-04-13 | 2017-09-08 | 王连山 | Magnetcisuspension suspension propeller and submarine |
| CN108146604A (en) * | 2017-12-18 | 2018-06-12 | 合肥凯石投资咨询有限公司 | A kind of water sky double-purpose ship propulsion system based on magneto |
| CN108528651B (en) * | 2018-03-28 | 2020-05-01 | 合肥凯石投资咨询有限公司 | Electromagnetic runway of aircraft |
| CN108528651A (en) * | 2018-03-28 | 2018-09-14 | 合肥凯石投资咨询有限公司 | Aircraft electromagnetic runway |
| CN109378910A (en) * | 2018-10-23 | 2019-02-22 | 中船天力（天津）科技股份有限公司 | Magnetcisuspension suspension propeller |
| CN113382920A (en) * | 2018-12-14 | 2021-09-10 | Abb 有限公司 | Propulsion unit for cycloidal ship and ship equipped with same |
| US11999459B2 (en) | 2018-12-14 | 2024-06-04 | Abb Oy | Cycloidal marine propulsion unit and a marine vessel equipped therewith |
| CN113382920B (en) * | 2018-12-14 | 2024-04-16 | Abb瑞士股份有限公司 | Cycloidal marine propulsion unit and marine vessel equipped with same |
| CN110562421A (en) * | 2019-07-15 | 2019-12-13 | 和近建 | Ducted helical drum propeller and lateral control valve system |
| CN110697012A (en) * | 2019-10-15 | 2020-01-17 | 浙江华船海工科技有限公司 | Pod type electric shaftless pump spraying propeller |
| CN110697012B (en) * | 2019-10-15 | 2024-08-27 | 浙江日冕新能源科技有限公司 | Nacelle type electric shaftless pump spraying propeller |
| CN112537430A (en) * | 2020-12-15 | 2021-03-23 | 上海瀚星船舶科技有限公司 | Ship propulsion device |
| CN114635920A (en) * | 2020-12-15 | 2022-06-17 | 中国科学院宁波材料技术与工程研究所 | Suspension bearing, control method and application thereof |
| CN115158622B (en) * | 2022-06-15 | 2023-05-23 | 中国船舶重工集团公司第七一九研究所 | Integrated motor propulsion device suitable for complex water area |
| CN115158622A (en) * | 2022-06-15 | 2022-10-11 | 中国船舶重工集团公司第七一九研究所 | Integrated motor propulsion unit suitable for complex water area |
| CN114906308B (en) * | 2022-06-23 | 2024-03-01 | 宁波海伯集团有限公司 | Electric propeller for ship |
| CN114906308A (en) * | 2022-06-23 | 2022-08-16 | 宁波海伯集团有限公司 | Electric propeller for ship |
| CN115384739A (en) * | 2022-09-06 | 2022-11-25 | 中国科学院宁波材料技术与工程研究所 | Low-temperature underwater propeller |
| CN115817778A (en) * | 2022-12-07 | 2023-03-21 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Rim propeller with axial magnetic field |
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