CN112520000A - Pod type propeller and ship - Google Patents
Pod type propeller and ship Download PDFInfo
- Publication number
- CN112520000A CN112520000A CN201910875192.3A CN201910875192A CN112520000A CN 112520000 A CN112520000 A CN 112520000A CN 201910875192 A CN201910875192 A CN 201910875192A CN 112520000 A CN112520000 A CN 112520000A
- Authority
- CN
- China
- Prior art keywords
- motor shell
- motor
- stator
- annular
- propeller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
-
- 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
- H02K9/00—Arrangements for cooling or ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Abstract
The embodiment of the invention provides a pod type propeller and a ship, wherein the pod type propeller comprises a rotary unit and a power unit; the power unit comprises a motor shell, a support rod and a propeller which are positioned outside the motor shell, and a rotor, a stator and an annular heat conducting piece which are positioned inside the motor shell; the supporting rod is respectively connected with the rotary unit and the motor shell; the propeller is connected to the end part of the rotating shaft of the rotor; the two annular heat conducting pieces are in contact with the motor shell, in contact with the two winding end portions of the stator respectively and completely wrap the two winding end portions of the stator respectively, wherein the sectional area of each annular heat conducting piece is in a right trapezoid shape. Therefore, heat generated at the winding end of the stator can be transferred to the motor shell through the annular heat conducting piece, and the motor shell can be well cooled in seawater. Since heat can be dissipated into seawater by heat exchange between solids, the heat dissipation effect can be improved.
Description
Technical Field
The invention relates to the technical field of marine machinery, in particular to a pod type propeller and a ship.
Background
A POD type propeller, also called POD (POD) propeller, is a novel ship propulsion device integrating propulsion and steering devices. The pod type propeller is arranged outside the ship and provides thrust for the navigation of the ship. When the motor in a pod propeller is operated, a large amount of heat is generated at the end of the motor winding. Because motor housing can be by fine cooling in the sea water, so through the heat convection around the air and the motor housing of wire winding tip, can dispel the heat to motor winding tip.
Considering that the heat dissipation effect is poor when only relying on air convection heat transfer, local overtemperature is easy to generate, an air circulation device can be added, so that air passes through a gap between the stator and the rotor and passes through a gap at the end part of the winding wire to take away heat.
However, the clearance between the stator and the rotor is so small that the air flow is limited and the heat dissipation effect is insignificant.
Disclosure of Invention
The embodiment of the invention provides a pod type propeller and a ship, which can improve the heat dissipation effect.
The embodiment of the invention provides a pod type propeller, which comprises: a swing unit and a power unit;
wherein the power unit includes: the support rod, the propeller, the motor shell, the rotor, the stator and the two annular heat conducting pieces;
wherein the rotor, the stator, and the annular heat conducting member are all located inside the motor housing;
the support rod and the propeller are both positioned outside the motor shell;
the supporting rod is respectively connected with the rotary unit and the motor shell;
the propeller is connected to the end part of the rotating shaft of the rotor;
the two annular heat conducting members are both in contact with the motor housing and in contact with the two winding ends of the stator, respectively.
Preferably, the annular heat conducting member is an annular heat conducting member obtained by encapsulating an epoxy resin-based composite material with aluminum nitride as a filler.
Preferably, the annular heat conducting member is an annular heat conducting member obtained by encapsulating an epoxy resin-based composite material with boron nitride as a filler.
Preferably, said two annular heat-conducting members completely envelope said two winding ends respectively.
Preferably, the cross section area of the annular heat conducting member is a right trapezoid;
the lower bottom edge of the right trapezoid is in contact with the motor shell;
the right-angled sides of the right-angled trapezium are closer to the iron core of the stator than the hypotenuse sides.
Preferably, the housing of the strut and the motor housing are integrally formed;
in the propelling direction, the head end and the tail end of the motor shell are both connected with the supporting rod;
in the propelling direction, the width of the support rod is gradually increased and then gradually decreased;
the width of the supporting rod is smaller than that of the motor shell;
the length of the supporting rod is gradually increased from top to bottom;
the supporting rod is fixedly connected with the rotary unit through a connecting flange.
Preferably, the pod thruster further comprises: two bearings and two annular bearing seats;
wherein the bearing and the annular bearing seat are both located inside the motor housing;
the two bearings are respectively arranged on two sides of the stator to support the rotating shaft;
the two annular bearing seats are respectively used for supporting the two bearings;
the periphery of the annular bearing seat is in contact with the inner wall of the motor shell so as to play a role in sealing.
Preferably, the swing unit includes: an electric steering motor, a steering motor and an azimuth slewing bearing;
the azimuth angle slewing bearing is connected with the upper end of the supporting rod;
the maximum rotation angle of the azimuth slewing bearing is 360 degrees;
the electric steering motor is used for providing power for the steering motor;
and the steering motor is used for driving the azimuth angle slewing bearing to rotate so as to drive the supporting rod to rotate.
An embodiment of the present invention provides a ship, including: a hold and a pod thruster as described in any one of the above;
wherein the swivel unit of the pod thruster is located inside the hold;
the power unit of the pod thruster is located outside the hold.
The embodiment of the invention provides a pod type propeller and a ship, wherein the pod type propeller comprises a rotary unit and a power unit; the power unit comprises a motor shell, a support rod and a propeller which are positioned outside the motor shell, and a rotor, a stator and an annular heat conducting piece which are positioned inside the motor shell; the supporting rod is respectively connected with the rotary unit and the motor shell; the propeller is connected to the end part of the rotating shaft of the rotor; the two annular heat conducting members are both in contact with the motor housing and are respectively in contact with the two winding ends of the stator. Therefore, heat generated at the winding end of the stator can be transferred to the motor shell through the annular heat conducting piece, and the motor shell can be well cooled in seawater. Since heat can be dissipated into seawater by heat exchange between solids, the heat dissipation effect can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a pod thruster provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic view of an annular heat-conducting member according to an embodiment of the present invention;
FIG. 3 is a schematic view of another pod propulsion system provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a cabin provided in accordance with an embodiment of the present invention.
In the figure, 1: a rotation unit; 2: a power unit; 3: a strut; 4: a propeller; 5: a motor housing; 6: a rotor; 7: a stator; 8: an annular heat-conducting member; 9: a rotating shaft; 10: a winding end portion; 11: an iron core; 12: a connecting flange; 13: a bearing; 14: an annular bearing seat; 15: an electric steering motor; 16: a steering motor; 17: an azimuth slewing bearing; 18: a hold.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a pod thruster, which may include: a revolving unit 1 and a power unit 2;
wherein the power unit 2 includes: the support rod 3, the propeller 4, the motor shell 5, the rotor 6, the stator 7 and the two annular heat conducting pieces 8;
wherein the rotor 6, the stator 7 and the annular heat conducting member 8 are all located inside the motor housing 5;
the support rod 3 and the propeller 4 are both positioned outside the motor shell 5;
the supporting rod 3 is respectively connected with the rotary unit 1 and the motor shell 5;
the propeller 4 is connected to the end part of a rotating shaft 9 of the rotor 6;
the two annular heat-conducting members 8 are both in contact with the motor casing 5 and with the two winding end portions 10 of the stator 7, respectively.
The nacelle type propeller provided by the embodiment of the invention comprises a rotary unit and a power unit; the power unit comprises a motor shell, a support rod and a propeller which are positioned outside the motor shell, and a rotor, a stator and an annular heat conducting piece which are positioned inside the motor shell; the supporting rod is respectively connected with the rotary unit and the motor shell; the propeller is connected to the end part of the rotating shaft of the rotor; the two annular heat conducting members are both in contact with the motor housing and are respectively in contact with the two winding ends of the stator. Therefore, heat generated at the winding end of the stator can be transferred to the motor shell through the annular heat conducting piece, and the motor shell can be well cooled in seawater. Since heat can be dissipated into seawater by heat exchange between solids, the heat dissipation effect can be improved.
In detail, the power unit is mainly used for providing power for ship navigation; the rotary unit is mainly used for adjusting the direction of the power unit so as to change the course of the ship. Specifically, the rotation unit adjusts the direction of the power unit by driving the rotation of the support rod.
In detail, when boats and ships sailed, motor housing and sea water direct contact, and based on the existence of annular heat conduction spare, annular heat conduction spare and motor housing direct contact, the winding tip and the annular heat conduction spare direct contact of stator, the heat that the event winding tip produced can be based on the heat exchange between the solid to in giving off the sea water, thereby realize the heat dissipation to winding tip, its temperature of quick reduction avoids producing local overtemperature. The heat transfer efficiency of solid heat transfer is far better than that of air heat transfer, so that the embodiment of the invention can obviously improve the heat dissipation effect.
In addition, because the radiating effect is good, the existing air circulation device for radiating can be saved, the product cost investment is reduced, the space occupied by the air circulation device is saved, and the internal arrangement and the appearance optimization are facilitated.
In an embodiment of the present invention, the annular heat conducting member 8 is an annular heat conducting member obtained by encapsulating an epoxy resin-based composite material in which a filler is aluminum nitride.
In detail, commercially available epoxy resin-based composite materials with aluminum nitride as a filler can be selected and encapsulated by using the existing encapsulation method. For example, the main implementation processes of this potting process are: preparing a composite material for encapsulation; installing a filling and sealing mould for the motor winding and positioning; putting the composite material into a potting mould and vacuumizing to exhaust bubbles; and (4) performing thermosetting for a certain time, and then demolding.
Wherein, the embedment mould usually have with stator appearance assorted base, shell and inner tube etc. the base is located the stator bottom, the shell parcel is outside at the stator, the inner tube is arranged in the space in the middle of the stator, so, the solid-state heat-conducting piece that the embedment obtained is cyclic annular to can wrap up the winding end, with winding end direct contact.
In the embodiment of the invention, the end part of the stator winding is encapsulated, and the encapsulating raw material is epoxy resin-based composite material taking aluminum nitride as filler. Therefore, heat generated at the end part of the winding wire can be dissipated to the seawater through heat exchange between solids, and the heat dissipation performance is greatly improved. In addition, when the encapsulating raw materials are purchased, the aluminum nitride/epoxy resin-based composite material with a specific proportion can be purchased according to needs, so that cracking between the end part of the winding wire and the heat-conducting piece obtained by encapsulating is avoided, and the service life of the encapsulating resin is favorably ensured.
Based on the same realization principle, when the encapsulating raw materials are purchased, except for aluminum nitride, the epoxy resin-based composite material taking boron nitride as the filler can be purchased to realize encapsulating treatment. Therefore, in an embodiment of the present invention, the annular heat conducting member 8 is a heat conducting member in an annular shape obtained by potting an epoxy resin-based composite material in which a filler is boron nitride.
In one embodiment of the present invention, preferably, referring to fig. 1, the two annular heat-conducting members 8 completely wrap the two winding ends 10, respectively.
As shown in fig. 1, the annular heat-conducting member in fig. 1 completely wraps the end portions of the wires.
In detail, the larger the wrapping rate of the annular heat conducting piece obtained by encapsulation to the end part of the winding is, the larger the contact area between the annular heat conducting piece and the winding is, the convenience is brought to the direct transfer of heat, and the heat transfer effect is good. Of course, even if the annular heat-conducting member does not completely wrap the end of the winding wire, the basic solid heat transfer effect can be achieved based on a certain direct contact therebetween.
In one embodiment of the present invention, referring to fig. 2, the cross-sectional area of the annular heat-conducting member 8 is a right trapezoid;
the lower bottom edge of the right trapezoid is in contact with the motor shell 5;
the legs of the right trapezoid are closer to the core 11 of the stator 7 than the hypotenuse.
In detail, when the sectional area of the annular heat conducting member is designed to be a right trapezoid, the contact area between the heat conducting member and the motor shell can be enlarged as much as possible, so that the same amount of heat can be dissipated through the larger contact area, and the heat dissipation is accelerated.
In addition, the hypotenuse of the trapezoid is relatively far from the stator core so as not to interfere with the normal operation of other components (such as a fan) within the motor housing. In detail, the base structure of the potting mold can be adjusted accordingly, so that an annular heat conducting member with a trapezoidal cross section can be obtained.
Besides the annular heat conducting member obtained by potting as described above, in other embodiments of the present invention, the annular heat conducting member may also be a metal ring matching with the structural shape of the winding end of the stator, such as an iron ring, a copper ring, etc., and the outer side wall of the metal ring is in contact with the motor housing and the inner side wall is in contact with the outer surface of the winding end, which may also have the effect of solid heat exchange.
In one embodiment of the present invention, referring to fig. 1, the housing of the strut 3 and the motor housing 5 are integrally formed;
in the propelling direction, the head end and the tail end of the motor shell 5 are both connected with the supporting rod 3;
in the advancing direction, the width of the supporting rod 3 is gradually increased and then gradually decreased;
the width of the supporting rod 3 is smaller than that of the motor shell 5;
the length of the supporting rod 3 is gradually increased from top to bottom;
the supporting rod 3 is fixedly connected with the rotary unit 1 through a connecting flange 12.
In detail, the strut housing and the motor housing are preferably integrally formed to improve the overall stability of the power unit.
In detail, the struts may function as hydrofoils, which may recover rotational power from the slipstream of the propeller. And at higher speeds, the sides of the struts help to improve the stability of the heading.
Referring to fig. 1, the propeller is on the right side, and the left-right direction shown in fig. 1 may be a propulsion direction. In the advancing direction, the head end and the tail end of the motor shell are both connected with the supporting rod so as to ensure enough connection area and ensure the whole stability of the power unit.
Fig. 1 shows the lengths of the motor housing and the struts, which increase gradually from top to bottom so that the upper ends are connected to the connecting flange and the lower ends are connected to the motor housing. The support rod is connected with the rotary unit through the connecting flange.
In addition, the width of the supporting rod is smaller than that of the motor shell, and in the propelling direction, the width of the head end and the tail end of the supporting rod is smaller than that of the middle part, so that the resistance of the supporting rod in seawater in the sailing process of the ship can be reduced.
In an embodiment of the present invention, referring to fig. 1, the pod thruster further includes: two bearings 13 and two annular bearing seats 14;
wherein the bearing 13 and the annular bearing seat 14 are both located inside the motor housing 5;
the two bearings 13 are respectively arranged at two sides of the stator 7 to support the rotating shaft 9;
the two annular bearing seats 14 are used for supporting the two bearings 13 respectively;
the periphery of the annular bearing seat 14 is in contact with the inner wall of the motor housing 5 to achieve a sealing effect.
Referring to fig. 1, two sides of the stator are respectively provided with a set of bearings and bearing seats to support the rotor shaft and ensure the stable rotation of the rotor shaft. In addition, the bearing seat can be annular and is in sealing contact with the inside of the motor shell, so that the space between the two bearing seats can exist independently in a sealing way relative to the outside, and the normal operation of the stator and the rotor is ensured.
In an embodiment of the present invention, referring to fig. 3, the revolving unit 1 includes: an electric steering motor 15, a steering motor 16, an azimuth slewing bearing 17;
wherein, the azimuth angle slewing bearing 17 is connected with the upper end of the supporting rod 3;
the maximum rotation angle of the azimuth slewing bearing 17 is 360 degrees;
the electric steering motor 15 is used for providing power for the steering motor 16;
the steering motor 16 is configured to drive the support rod 3 to rotate by driving the rotation of the azimuth slewing bearing 17.
In detail, the propulsion direction of the running unit may be controlled by a redundant high torque hydraulic motor system. Specifically, the electric steering motor provides power for the steering motor, so that the steering motor can drive the rotation of the azimuth angle slewing bearing, and further drive the rotation of the support rod, namely drive the rotation of the power unit to change the steering of the power unit.
As shown in fig. 4, an embodiment of the present invention provides a ship, which may include: a hold 18 and a pod thruster as described in any one of the above;
wherein the swing unit 1 of the pod thruster is located inside the hold 18;
the power unit 2 of the pod thruster is located outside the hold 18.
Referring to fig. 4, the power unit is located outside the cabin and is responsible for providing driving force; the turning unit is located inside the hold (not shown in fig. 4) and drives the power unit to turn.
The nacelle type propeller provided by the invention at least has the following beneficial effects:
1. the nacelle type propeller provided by the embodiment of the invention comprises a rotary unit and a power unit; the power unit comprises a motor shell, a support rod and a propeller which are positioned outside the motor shell, and a rotor, a stator and an annular heat conducting piece which are positioned inside the motor shell; the supporting rod is respectively connected with the rotary unit and the motor shell; the propeller is connected to the end part of the rotating shaft of the rotor; the two annular heat conducting members are both in contact with the motor housing and are respectively in contact with the two winding ends of the stator. Therefore, heat generated at the winding end of the stator can be transferred to the motor shell through the annular heat conducting piece, and the motor shell can be well cooled in seawater. Since heat can be dissipated into seawater by heat exchange between solids, the heat dissipation effect can be improved.
2. The nacelle type propeller provided by the embodiment of the invention has a good heat dissipation effect, so that the existing air circulation device can be omitted, the product cost investment is reduced, the space occupied by the air circulation device is saved, and the nacelle type propeller is convenient to arrange in the nacelle and optimize in the shape.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. Pod thruster, characterized in that, includes:
a rotation unit (1) and a power unit (2);
wherein the power unit (2) comprises: the propeller comprises a support rod (3), a propeller (4), a motor shell (5), a rotor (6), a stator (7) and two annular heat conducting pieces (8);
wherein the rotor (6), the stator (7) and the annular heat conducting member (8) are all located inside the motor housing (5);
the support rod (3) and the propeller (4) are both positioned outside the motor shell (5);
the supporting rod (3) is respectively connected with the rotary unit (1) and the motor shell (5);
the propeller (4) is connected to the end part of a rotating shaft (9) of the rotor (6);
two annular heat-conducting members (8) all with motor housing (5) contact, and respectively with two winding end portions (10) of stator (7) contact and wrap up respectively completely two winding end portions (10), wherein, the sectional area of annular heat-conducting member (8) is right trapezoid, right trapezoid's lower base with motor housing (5) contact, right trapezoid's right-angle side is more close to than its hypotenuse iron core (11) of stator (7).
2. Pod thruster according to claim 1,
the annular heat conducting piece (8) is obtained by encapsulating and sealing an epoxy resin-based composite material with aluminum nitride as a filling material.
3. Pod thruster according to claim 1,
the annular heat conducting piece (8) is obtained by encapsulating and sealing an epoxy resin-based composite material with boron nitride as a filling material.
4. Pod thruster according to claim 1,
the shell of the support rod (3) and the motor shell (5) are integrally formed;
in the propelling direction, the head end and the tail end of the motor shell (5) are both connected with the supporting rod (3);
in the propelling direction, the width of the support rod (3) is gradually increased and then gradually decreased;
the width of the support rod (3) is smaller than that of the motor shell (5);
the length of the support rod (3) is gradually increased from top to bottom;
the supporting rod (3) is fixedly connected with the rotary unit (1) through a connecting flange (12).
5. Pod thruster according to claim 1,
further comprising: two bearings (13) and two annular bearing seats (14);
wherein the bearing (13) and the annular bearing seat (14) are both located inside the motor housing (5);
the two bearings (13) are respectively arranged on two sides of the stator (7) to support the rotating shaft (9);
the two annular bearing seats (14) are respectively used for supporting the two bearings (13);
the periphery of the annular bearing seat (14) is in contact with the inner wall of the motor shell (5) to play a role in sealing.
6. Pod thruster according to claim 1,
the swing unit (1) comprises: an electric steering motor (15), a steering motor (16), and an azimuth slewing bearing (17);
wherein the azimuth angle slewing bearing (17) is connected with the upper end of the support rod (3);
the maximum rotation angle of the azimuth slewing bearing (17) is 360 degrees;
the electric steering motor (15) is used for providing power for the steering motor (16);
the steering motor (16) is used for driving the azimuth angle slewing bearing (17) to rotate so as to drive the support rod (3) to rotate.
7. A marine vessel, comprising:
a hold (18) and a pod thruster according to any of claims 1 to 6;
wherein the pod thruster's swivel unit (1) is located inside the hold (18);
the power unit (2) of the pod thruster is located outside the hold (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875192.3A CN112520000A (en) | 2019-09-17 | 2019-09-17 | Pod type propeller and ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910875192.3A CN112520000A (en) | 2019-09-17 | 2019-09-17 | Pod type propeller and ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112520000A true CN112520000A (en) | 2021-03-19 |
Family
ID=74974502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910875192.3A Pending CN112520000A (en) | 2019-09-17 | 2019-09-17 | Pod type propeller and ship |
Country Status (1)
| Country | Link |
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| CN (1) | CN112520000A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265074A (en) * | 1997-07-21 | 2000-08-30 | 西门子公司 | Electric motor and drive system for vessel with cooling device |
| CN1749104A (en) * | 2005-10-13 | 2006-03-22 | 上海交通大学 | Fish shape simulating nacelle propeller |
| CN1866679A (en) * | 2000-10-25 | 2006-11-22 | 米其林创意开发股份有限公司 | Method for manufacturing rotary electric machine |
| EP1742330A1 (en) * | 2005-07-08 | 2007-01-10 | Siemens Aktiengesellschaft | Winding head of a stator, stator of an electric machine and turbogenerator |
| CN102594068A (en) * | 2012-01-20 | 2012-07-18 | 天津大学 | Method for widening weak magnetic speed regulating range of permanent magnet synchronous motor and stator of permanent magnet synchronous motor |
| CN108448775A (en) * | 2017-02-16 | 2018-08-24 | 通用电气公司 | Electrical isolation heat transfer coating and its deposition method for electric system |
| CN108462318A (en) * | 2017-02-22 | 2018-08-28 | 蔚来汽车有限公司 | Motor cooling, power motor and power drive system |
| CN109436268A (en) * | 2018-09-26 | 2019-03-08 | 湖北环电磁装备工程技术有限公司 | Ship podded propeller |
| CN109716624A (en) * | 2016-09-19 | 2019-05-03 | 西门子股份公司 | Stator for rotating electric machine |
-
2019
- 2019-09-17 CN CN201910875192.3A patent/CN112520000A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1265074A (en) * | 1997-07-21 | 2000-08-30 | 西门子公司 | Electric motor and drive system for vessel with cooling device |
| CN1866679A (en) * | 2000-10-25 | 2006-11-22 | 米其林创意开发股份有限公司 | Method for manufacturing rotary electric machine |
| EP1742330A1 (en) * | 2005-07-08 | 2007-01-10 | Siemens Aktiengesellschaft | Winding head of a stator, stator of an electric machine and turbogenerator |
| CN1749104A (en) * | 2005-10-13 | 2006-03-22 | 上海交通大学 | Fish shape simulating nacelle propeller |
| CN102594068A (en) * | 2012-01-20 | 2012-07-18 | 天津大学 | Method for widening weak magnetic speed regulating range of permanent magnet synchronous motor and stator of permanent magnet synchronous motor |
| CN109716624A (en) * | 2016-09-19 | 2019-05-03 | 西门子股份公司 | Stator for rotating electric machine |
| CN108448775A (en) * | 2017-02-16 | 2018-08-24 | 通用电气公司 | Electrical isolation heat transfer coating and its deposition method for electric system |
| CN108462318A (en) * | 2017-02-22 | 2018-08-28 | 蔚来汽车有限公司 | Motor cooling, power motor and power drive system |
| CN109436268A (en) * | 2018-09-26 | 2019-03-08 | 湖北环电磁装备工程技术有限公司 | Ship podded propeller |
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Application publication date: 20210319 |
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