CN203482005U - Duct moment rotor integrated spiral electric water spray propeller - Google Patents
Duct moment rotor integrated spiral electric water spray propeller Download PDFInfo
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- CN203482005U CN203482005U CN201320504538.7U CN201320504538U CN203482005U CN 203482005 U CN203482005 U CN 203482005U CN 201320504538 U CN201320504538 U CN 201320504538U CN 203482005 U CN203482005 U CN 203482005U
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Abstract
The utility model relates to a duct moment rotor integrated spiral electric water spray propeller provides, and provides a spraying power propelling device. A power shaft output mode of an existing propeller is replaced, spraying power propelling of direct opening inflow without block in high efficiency is realized, and shaftings, pumps, and mechanical variable-speed drive devices are not needed. The electric water spray propeller is characterized in that a solid rotor shaft of a conventional motor is changed by a hollow duct rotor shaft, screw blades are integrated in the inner wall of the duct rotor shaft, moment rings are integrated on an outer side of the duct rotor shaft, and a permanent magnet is disposed on the design position of the moment rings in an interference fit manner. The duct rotor shaft, the moment rings, the permanent magnet, and the screw blades form a rotor of the motor. Stator core windings are arranged in an annular axial manner cooperating with the rotor, forming rotary connection of the motor. Annular waterproof tongues and oil resistant rubber waterproof graphite gaskets on two ends of the rotor are in minimum clearance fit in a fat radical oil cabin, so the stator can operate in a dry and safe space. Through a DC brushless motor control system, power output is realized.
Description
Denomination of invention:
Duct moment rotor integrated spiral electrical water jetting propeller
Affiliated technical field:
The utility model provides a kind of Fluid injection Powerpush Unit, relates in particular to a kind of hydraulic propeller, can be used under water or waterborne, is widely used in military affairs, industry, agricultural, commercial field.For example: military boats and ships, torpedo propeller, nuclear energy, oil, chemical industry, water conservancy, pipeline fluid force (forcing) pump; Hydroelectric generator turbine wheel, merchant ship, etc., be specially adapted to the large ships such as nuclear aircraft carrier, submarine.
Background technology:
Known current marine propeller, regardless of paddle size form, is all by " power transmission shaft " acting, but this transmission means, and significantly defect is machine power complex structure.Water hanging cabin propeller driving propeller, water pump water spray power propeller, all to rely on the moving screw acting of axle frenulum by " power transmission shaft ", screw especially easily produces cavity in High Rotation Speed, and send noise, because the reactive fluid of centrifugal force is along the edge, blade face of blade to diffusion all round, having there is change in the direction of power, causes the power of screw not to be utilized completely.The water pump water spray power propeller using at present, its apparatus structure is mainly partly comprised of prime mover and transmission device, propulsion pump, pipe-line system, rudder and the combined operation equipment that navigates etc.Though higher than traditional propeller efficiency, but still do not break away from " power transmission shaft " pattern, the process of acting is to absorb water, still rely on axle frenulum to move screw by water inlet, water inlet and discharge outlet form 90 degree angles, current will can be discharged and obtain power from spout through power transmission shaft again through an arc bend, and this process will cause sizable power loss.And the present utility model, machine power is simple in structure, without axle, be, pump system, the intermediate links such as mechanical variable speed drive, motor is culvert type moment rotor integrated spiral blade integrative-structure, through type enters water, water spray, use DC brushless motor control system, machine shape is attractive in appearance, manufacture simple, be convenient to produce and install and maintenance, power loss is low, be easy to promote, straight mouthful of inlet channel slipping ratio is little, current axial flow is stable, do not produce blade make an uproar a radiation and vibration, propulsive efficiency is high, can realize without hindrance barrier advances, make naval vessel can obtain the higher speed of a ship or plane, handling and moving positioning performance is excellent, having national defence very is widely worth and commercial value.
Summary of the invention:
The present utility model relates to described electrical water jetting propeller rotor; The rotor morphosis of duct moment rotor integrated spiral vane type, sortord and the combination of stator core winding magnetic pole, waterproof construction, complete machine streamline profile etc.Feature of the present utility model; Change motor solid rotor axle, it is the through type duct armature spindle of open-core type that motor rotor shaft is radially amplified axially, helical blade is integrated on through type duct inwall, moment ring is integrated on through type duct outer wall, and in moment ring design attitude interference fit permanent magnet, permanent magnet runs through moment ring makes the positive back side of moment ring all have magnetic pole, forms bipolar magnet structure, utilize fully permanent magnetic material and strengthen moment of torsion, moment ring strengthens rotor torque and makes effect increase.Through type duct armature spindle, moment ring add permanent magnet, helical blade, and set is integrally formed formula motor rotor, and stator core winding coordinates described rotor axial annular arrangement, are interference fitted in pressure stator shell winding support unshakable in one's determination and injection moulding insulation.Described rotor stator forms motor and is rotationally connected.At water inlet and water jet, be respectively equipped with waterproof, lubricated, resistance to compression fat base oil cabin, with the anti-overflow of two ends of rotor ring-type and oil resistant rubber waterproof graphite gasket, in fat base oil cabin, minimum clearance coordinates, fluid is only passed through by water inlet-duct rotor helical-screw blade-water jet, armature stator core winding can be moved in independent dry safe space, pass through DC brushless motor control system, realization is without axle system, pump system, mechanical variable speed drive, and the straight mouthful of without hindrance barrier high efficiency of water inlet sprayed power and advanced.
Technical scheme:
Described duct rotor integrated spiral electrical water jetting propeller; The similar aircraft jet engine of profile, streamlined contour has that coordination simple in structure is attractive in appearance, to manufacture flexible for installation, working service convenient.Specifically by conventional motors solid rotor axle, radially amplifying is axially hollow through type duct armature spindle, and in this duct inwall integrated spiral body blade, for making its torque strengthen the increase of output power, integrated moment ring on through type duct outer wall, and in moment ring design attitude interference fit permanent magnet, permanent magnet runs through moment ring makes the positive back side of moment ring all have magnetic pole, form bipolar magnet structure, utilize fully permanent magnetic material and strengthen moment of torsion.The radial magnetic field structure changing in conventional motors is axial magnetic field structure, overcomes one pole magnetic pull, reduces leakage field, makes rotor can obtain larger torsional forces.Through type duct, rotor torque ring permanent magnet, helicoid blade, set are formed to an integral body, form complete motor rotor.Stator core winding coordinates rotor axial annular arrangement, and stator silicon steel laminations iron core is interference fitted in pressure stator shell winding support unshakable in one's determination and insulate with winding injection moulding; For making said device features rational structure firmly attractive in appearance, to be convenient to install and to produce, the stator being comprised of pressure stator shell winding support unshakable in one's determination and stator silicon steel laminations armature winding unshakable in one's determination cuts open in axial circular tubular, and pressure stator shell winding support unshakable in one's determination is divided into two semicircular body.Described duct two ends of rotor bearing bracket stand tipping water-sealed bearing, install the Colaesce of oil resistant rubber earthquake washer phase additional with water inlet rotor bearing ring stand and water jet rotor bearing ring stand, two semicircular body of pressure stator shell winding support unshakable in one's determination are hinged with respectively on water inlet and water jet bearing ring stand, in joint portion, install oil resistant rubber waterproof washer additional and connect with bolt, the injection moulding insulation from pressure stator shell of described stator power line and holding wire is drawn, in the casing support of cooling water tank access center, the motor rotation system of complete, stator and rotor complete motor and are rotationally connected.Two ends of rotor is respectively provided with the ring-shaped rubber waterproof graphite gasket being provided with in the anti-overflow of ring-type and water inlet and water jet, in waterproof pressure-resistant grease base oil cabin, minimum clearance coordinates, fluid is only passed through by water inlet-duct rotor helical-screw body blade-water jet, armature stator core winding can be moved in independent dry, safe space.Water inlet is with water jet resistance to compression waterproof and coordinate whole body Streamline Design.Between inlet end rotor bearing ring stand and water inlet radome fairing, install oil resistant rubber waterproof washer additional and be connected, between water jet end rotor bearing ring stand and water jet radome fairing, install oil resistant rubber waterproof washer additional and be connected.For reducing fluid resistance connecting bolt hole, with bolt radome fairing, seal.Pressure stator shell winding support unshakable in one's determination and center casing form natural cooling water cabin, and current, by the circulation port free convection on the casing of center, play as the cooling effect of stator core winding.Center casing is provided with support, can control module and lead-in wire by injection moulding waterproof packaging electronic.So far each portion of complete machine has been hinged with, and by DC Brushless Motor electronic control system, forms complete electrical water jetting propeller.
Duct rotor integrated spiral electrical water jetting propeller described in this case, rotor is six moment rings, coordinates five groups of stator core windings, five leaf helicoid blades.The different flexible combination of the quantity of helicoid blade and moment ring, the visual application acceptor of stator core winding purposes, tonnage power, helicoid blade can be by a leaf to leafy, and moment ring, stator core winding also can be incorporated into the combination of n ring by monocycle.Even, in the situation that not changing diameter, make the injection power propeller of required power.This manufacture and design and actual use in there is very large application space, have more realistic meaning widely.
Accompanying drawing explanation:
Accompanying drawing 1, for external view of the present invention;
Accompanying drawing 2, for side-looking A-A of the present invention, cut open plane graph;
Accompanying drawing 3, for forward sight B-B of the present invention, cut open plane graph;
Accompanying drawing 4, for body side section schematic perspective view of the present invention;
Accompanying drawing 5, be complete machine A of the present invention, B, C, D, E, each several part STRUCTURE DECOMPOSITION schematic diagram;
Accompanying drawing 6, be A of the present invention, water inlet radome fairing decomposed schematic diagram;
Accompanying drawing 7, be B of the present invention, rotor portion decomposing schematic representation;
Accompanying drawing 8, be C of the present invention, stationary part decomposing schematic representation;
Accompanying drawing 9, for rotor stator systematic connection schematic diagram of the present invention;
Accompanying drawing 10, be D of the present invention, body center's casing schematic diagram;
Accompanying drawing 11, be E of the present invention, water jet radome fairing decomposed schematic diagram;
Accompanying drawing 12, for the present invention be duct moment rotor integrated spiral body blade construction form;
Figure number and title;
Accompanying drawing 1, be complete machine stereoscopic view; Profile is similar to aircraft engine, succinctly attractive in appearance, and compact coordination, is convenient to I&M.
Accompanying drawing 3, cut open side plan view for B-B; In figure 8, stator silicon steel laminations is unshakable in one's determination, 10, stator armature winding, 11, support, 12, stator winding support split pressure vessel connecting bolt ，13, body center casing, 22, pressure stator shell connection bearing ring stand bolt, 24, stator winding poppet pressure shell, 26, integrated helicoid blade in rotor, 27, structure tongue and groove, 30, space water channel; Helical-blade rotor radial width is prolonged principal vertical line ，31, center casing natural cooling water circulation port to center by duct inwall, and 32, stator winding support split pressure vessel water proof rubber pad, 33, pressure stator shell connection bearing ring stand waterproof rubber gasket.
Accompanying drawing 4, be body side section schematic perspective view, in figure 1, water inlet radome fairing, 2, fat base oil cabin, 3, rotor ring-type waterproof tongue, 4, oil resistant rubber waterproof graphite gasket, 6, water inlet radome fairing waterproof rubber gasket, 8, stator silicon steel laminations is unshakable in one's determination, 9, permanent magnet, 10, stator armature winding, 12, stator winding support split pressure vessel connecting bolt, 14, water jet rotor bearing ring stand, 16, vertical dress water-sealed bearing, 17, water jet radome fairing, 19, water jet armature spindle bolster, 20, water jet radome fairing waterproof rubber gasket, 21, paperback water-sealed bearing, 22, pressure stator shell connection bearing ring stand bolt, 23, rotor torque ring, 24, stator winding poppet pressure shell, 26, integrated helicoid blade in rotor, 27, structure tongue and groove, 28, water inlet connecting bolt, 29, water inlet connecting bolt radome fairing, 32, stator winding support split pressure vessel water proof rubber pad, 33, pressure stator shell connection bearing ring stand waterproof rubber gasket.
Accompanying drawing 5, be complete machine each several part STRUCTURE DECOMPOSITION schematic diagram; A in figure, being water inlet radome fairing part, B, is duct moment rotor integrated spiral electrical water jetting propeller rotor portion, C, is split pressure vessel winding support stationary part, and D ,Wei body center casing, is water jet radome fairing part at E.
Accompanying drawing 6, be A, water inlet decomposed schematic diagram; In figure 1, water inlet radome fairing, 4, oil resistant rubber waterproof graphite gasket, 6, water inlet radome fairing waterproof rubber gasket, 7, water inlet rotor bearing ring stand, 15, bearing Shockproof rubber packing ring, 21, paperback water-sealed bearing, 28, water inlet connecting bolt, 29, water inlet connecting bolt radome fairing.
Accompanying drawing 7, be B, rotor portion decomposing schematic representation; In figure 3, rotor ring-type waterproof tongue, 5, water inlet armature spindle bolster, 9, permanent magnet, 15, bearing Shockproof rubber packing ring, 16, vertical dress water-sealed bearing, 19, water jet armature spindle bolster, 21, paperback water-sealed bearing, 23, rotor torque ring, 26, integrated helicoid blade in rotor.
Accompanying drawing 8, be C, stationary part decomposing schematic representation; In figure 7, water inlet rotor bearing ring stand, 8, stator silicon steel laminations is unshakable in one's determination, 10, stator armature winding, 12, stator winding support split pressure vessel connecting bolt, 14, water jet rotor bearing ring stand, 22, pressure stator shell connection bearing ring stand bolt, 24, stator winding poppet pressure shell, 32, stator winding support split pressure vessel water proof rubber pad, 33, pressure stator shell connection bearing ring stand waterproof rubber gasket, 34, the injection moulding of stator winding power line control signal wire draws.
Accompanying drawing 9, be rotor stator systematic connection schematic diagram; In figure 3, rotor ring-type waterproof tongue, 7, water inlet rotor bearing ring stand, 12, stator winding support split pressure vessel connecting bolt, 14, water jet rotor bearing ring stand, 16, vertical dress water-sealed bearing, 22, pressure stator shell connection bearing ring stand bolt, 24, stator winding poppet pressure shell, 26, integrated helicoid blade in rotor, 32, stator winding support split pressure vessel water proof rubber pad 34, the injection moulding of stator winding power line control signal wire draw.
Accompanying drawing 10, be D, body center's casing schematic diagram; In figure 11, support ，13, body center casing, 27, structure tongue and groove, 31, natural cooling water circulation port.
Accompanying drawing 11, be E, water jet decomposed schematic diagram; In figure 4, oil resistant rubber waterproof graphite gasket, 14, water jet rotor bearing ring stand, 15, bearing Shockproof rubber packing ring, 17, water jet radome fairing, 20, water jet radome fairing waterproof rubber gasket, 21, paperback water-sealed bearing, 27, structure tongue and groove, 28, water inlet connecting bolt, 29, water inlet connecting bolt radome fairing.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate technical scheme of the present invention.
As accompanying drawing 4, as described in as shown in body side section schematic perspective view; 1 through type duct water inlet, current are afterburning by 26 rotations of rotor helical-screw blade through duct, along duct inwall, from water jet 17, spray at a high speed and produce power.Concrete enforcement is that conventional motors solid rotor axle is made radially and amplified, axial hollow through type duct armature spindle, and at duct inwall integrated spiral body blade 26, for making its torque strengthen effect, increase, integrated 23 rotor torque rings on duct outer wall, and in moment ring design attitude interference fit 9 permanent magnets, as accompanying drawing 4, as shown in; 9 permanent magnets run through 23 moment rings, make the positive back side of moment ring all have magnetic pole, form bipolar magnet structure, utilize fully permanent magnetic material and strengthen moment of torsion.The radial magnetic field structure changing in conventional motors is axial magnetic field structure, overcomes one pole magnetic pull, reduces leakage field.Make rotor can obtain larger torsional forces.By through type duct, helicoid blade 26, rotor torque ring 23, the integrated integral body of permanent magnet 9, the motor rotor of complete.
As shown in accompanying drawing 7, B, rotor portion decomposing schematic representation; Described two ends of rotor water inlet armature spindle bolster 5, water jet armature spindle bolster 19, connects respectively 21 paperback water-sealed bearings, 16 vertical dress water-sealed bearings, and by 15 bearing Shockproof rubber packing rings and stator 7 water inlet rotor bearing ring stands, 14 water jet rotor bearing ring stands are connected.
As shown in accompanying drawing 8, C, stationary part decomposing schematic representation; 7 water inlet rotor bearing ring stands, 14 water jet rotor bearing ring stands, jointly become the connecting link of described rotor and stator and 1 water inlet radome fairing and 17 water jet radome fairings, stator core winding 10 coordinates rotor axial annular arrangement, stator silicon steel laminations iron core 8 is interference fitted in stator split pressure vessel 24 winding supports unshakable in one's determination, and injection moulding insulation.For making said device features rational structure firmly attractive in appearance, be convenient to install and produce, the stator that stator split pressure vessel winding support 24 and stator silicon steel laminations 8 armature winding 10 unshakable in one's determination are formed, by axial circular tubular, in to cut open be two semicircular body, and with 12 stator winding support split pressure vessel connecting bolts, 22 pressure stator shell connection bearing ring stand bolts, in joint portion, install 32,33 oil resistant rubber waterproof washers additional and connect each portion, as accompanying drawing 9, as shown in the motor rotation system of complete, stator and rotor complete motor and rotate and link.
The described motor rotation system completing as accompanying drawing 9, as shown in, two ends of rotor is respectively provided with the 4 ring-shaped rubber waterproof graphite gasket that are provided with in the anti-overflow of 3 ring-type and 1 water inlet and 17 water jets, in waterproof pressure-resistant grease base oil cabin 2, interior minimum clearance coordinates, fluid is only passed through by water inlet-duct rotor helical-screw body blade-water jet, armature stator core winding 10 can be moved in independent dry, safe space.Water inlet 1 is with water jet 17 resistance to compression waterproof and coordinate whole body Streamline Design, water inlet radome fairing 1 tipping 7 water inlet rotor bearing ring stands, between with 6 water inlet radome fairing waterproof rubber gasket waterproof, water jet radome fairing 17 tipping 14 water jet rotor bearing ring stands, between with 20 water jet radome fairing waterproof rubber gasket waterproof, the 27 structure tongue and grooves that the 27 structure tongue and grooves that Jiang13 body center casing is provided with are simultaneously provided with water inlet radome fairing 1 and water jet radome fairing 17 dock and with 28 connecting bolts, 29 connecting bolt radome fairings are fastenedly connected.The injection moulding insulation from pressure stator shell of described stator power line and holding wire is drawn, in the casing support of cooling water tank access center, the motor rotation system of complete, injection moulding waterproof packaged battery motivation Electronic Control module and lead-in wire in the support 11 on body center's casing.Natural cooling water is through 20 natural cooling water cabins, 31 pairs of discharge orifices, for stator naturally cooling.So far complete machine structure has designed.
As accompanying drawing 12, as shown in; For the version of duct moment rotor integrated spiral body blade, be not traditional propeller, but take duct length as basic helicoid blade, and the rotational circle of helicoid blade is among one end, outside is integrated in duct inwall.In accompanying drawing 3, B-B cut open side plan view, 26 helical-blade rotor radial width are prolonged principal vertical line by duct inwall to center, are 30 space water channels; Rotor is when high-speed cruising, and due to the effect of centrifugal force, impeller centre can produce the vacuum of moment, and the effect of space water channel 30 is that feedwater flow is with enough spaces, filled vacuum.Can produce a kind of power in this course, identical with common " power transmission shaft " pattern screw reason, in the wings, what to common " power transmission shaft " pattern screw, cause is pulling force backward, the power that loss acceptor advances at the vacuum position of common screw.And vacuum of the present invention position forwardly, the power producing is pulling force forward, and effect is strengthened.
Above telling is only the utility model preferred embodiment, and not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, replacement and improvement etc., within being all included in the utility model protection range.
Claims (3)
1. a novel duct moment rotor integrated spiral electrical water jetting propeller; It is characterized in that improving conventional motors solid rotor axle, manufacturing radially amplification is axially hollow duct armature spindle, and in its duct armature spindle inwall integrated spiral blade, the moment ring of integrated increase torsional forces on duct armature spindle outside, interference fit permanent magnet in moment ring design attitude, through type duct, helical blade, moment ring add permanent magnet, assemble as the angle of rake rotor of electrical water jetting described in integral type.
2. according to claim 1, the described angle of rake rotor characteristic of electrical water jetting, be; Duct armature spindle inwall integrated spiral blade is not traditional propeller, but take moment duct armature spindle length, it is basic helical blade, helicoid blade can be established a leaf to leafy, and on duct armature spindle outside, the moment ring of integrated increase torsional forces, can establish monocycle or encircle more.
3. according to claim 1, the described angle of rake stator feature of duct moment rotor integrated spiral electrical water jetting, be; The sequence of stator core winding is between moment ring, the direction of stator silicon steel laminations iron core and winding is by the radial inflow arranged radially of common motor, become axial circulus sequence, stator core is interference fitted in stator core winding support, and insulate with winding injection moulding, coordinate described rotor to form motor and be rotationally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504538.7U CN203482005U (en) | 2012-09-10 | 2013-08-11 | Duct moment rotor integrated spiral electric water spray propeller |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220454769 | 2012-09-10 | ||
| CN201220454769.7 | 2012-09-10 | ||
| CN201320504538.7U CN203482005U (en) | 2012-09-10 | 2013-08-11 | Duct moment rotor integrated spiral electric water spray propeller |
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| Publication Number | Publication Date |
|---|---|
| CN203482005U true CN203482005U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320504538.7U Expired - Fee Related CN203482005U (en) | 2012-09-10 | 2013-08-11 | Duct moment rotor integrated spiral electric water spray propeller |
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| Country | Link |
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| CN (1) | CN203482005U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976132A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Barrier-free screw pump equipment |
| CN104976039A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Vortex medium tooth turbine power generation equipment |
| CN105471135A (en) * | 2015-12-21 | 2016-04-06 | 刘运念 | Composite hole forming motor, excavator and ship power machine |
| CN106451856A (en) * | 2016-11-18 | 2017-02-22 | 广西大学 | Permanent magnet synchronous motor rotor with gas circulating function |
| CN107246395A (en) * | 2017-06-28 | 2017-10-13 | 武汉理工大学 | A kind of shaftless edge wheel water jet pump of electromagnetism peculiar to vessel |
| CN110006567A (en) * | 2019-04-03 | 2019-07-12 | 江苏科技大学 | It is a kind of for obtaining propeller in the measuring device of deep-marine-environment lower thrust characteristic |
| CN110898406A (en) * | 2019-12-05 | 2020-03-24 | 深圳市易联科电子有限公司 | Underwater propeller |
| CN111361720A (en) * | 2020-03-26 | 2020-07-03 | 中国科学院电工研究所 | Integrated magnetofluid propeller |
-
2013
- 2013-08-11 CN CN201320504538.7U patent/CN203482005U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976132A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Barrier-free screw pump equipment |
| CN104976039A (en) * | 2015-04-23 | 2015-10-14 | 李德生 | Vortex medium tooth turbine power generation equipment |
| CN105471135A (en) * | 2015-12-21 | 2016-04-06 | 刘运念 | Composite hole forming motor, excavator and ship power machine |
| CN106451856A (en) * | 2016-11-18 | 2017-02-22 | 广西大学 | Permanent magnet synchronous motor rotor with gas circulating function |
| CN106451856B (en) * | 2016-11-18 | 2019-05-21 | 广西大学 | A kind of permanent-magnetic synchronous motor rotor with gas circulatory function |
| CN107246395A (en) * | 2017-06-28 | 2017-10-13 | 武汉理工大学 | A kind of shaftless edge wheel water jet pump of electromagnetism peculiar to vessel |
| CN110006567A (en) * | 2019-04-03 | 2019-07-12 | 江苏科技大学 | It is a kind of for obtaining propeller in the measuring device of deep-marine-environment lower thrust characteristic |
| CN110006567B (en) * | 2019-04-03 | 2020-10-02 | 江苏科技大学 | Measuring device for obtaining thrust characteristics of propeller under deep sea environment |
| CN110898406A (en) * | 2019-12-05 | 2020-03-24 | 深圳市易联科电子有限公司 | Underwater propeller |
| CN111361720A (en) * | 2020-03-26 | 2020-07-03 | 中国科学院电工研究所 | Integrated magnetofluid propeller |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20160811 |
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| CF01 | Termination of patent right due to non-payment of annual fee |