CN114383046B - Active pipe flow divider - Google Patents
Active pipe flow divider Download PDFInfo
- Publication number
- CN114383046B CN114383046B CN202111450568.XA CN202111450568A CN114383046B CN 114383046 B CN114383046 B CN 114383046B CN 202111450568 A CN202111450568 A CN 202111450568A CN 114383046 B CN114383046 B CN 114383046B
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- Prior art keywords
- pipe
- tube
- flow
- inner tube
- wall
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an active pipeline split device which comprises a main pipe, a transition connecting pipe and a multi-flow pipe, wherein the multi-flow pipe comprises an outer pipe and at least one inner pipe, the outer pipe is connected with the transition connecting pipe, and the inner pipe is arranged in the outer pipe in a penetrating way and fixedly connected with the outer pipe; and a rim pump is arranged in each inner tube. This active pipeline diverging device provides extra pressure head through the rim pump that is located the inner tube under the certain circumstances of total pipe flow, and then can be according to the flow of demand independent control inner tube to realized the regulation of the flow proportion of inner tube, outer tube, device compact structure, extensive adaptability, the reposition of redundant personnel proportion is adjusted conveniently accurately, and operation control is simple reliable.
Description
Technical Field
The invention relates to the technical field of fluid pipeline transportation, in particular to an active pipeline diversion device.
Background
In the industrial field, fluid is often required to be conveyed by using a conveying pipeline, and in some cases, the pipeline needs to be split to change the single-flow split into multiple flows, and a general split structure adopts passive split, namely the distribution proportion of the fluid flow of a branch pipeline is constant, and the fluid flow can be uniformly distributed or unevenly distributed.
However, for some delivery pipes having different operating conditions, it is generally required that the fluid flow distribution ratio between the branch pipes is different under different operating conditions. For example, for a shell-and-tube type concentrated heat exchanger, the heat exchange of two cooling systems is mainly included, the tube side is a cooling fluid working medium, and the flow is split by arranging an inner pipeline and an outer pipeline; the shell side is provided with two heat exchange areas, and the heat exchange is respectively carried out on the inner pipeline area and the outer pipeline area and the pipeline side, and as the cooling load of the cooling system corresponding to the outer pipeline heat exchange area is rapidly increased along with the increase of the navigational speed, the cooling load of the cooling system corresponding to the inner pipeline heat exchange area is slowly increased along with the increase of the navigational speed, so that the flow distribution proportion of the cooling fluid working medium in the inner pipeline and the outer pipeline is required to be reduced along with the increase of the total flow. If the passive flow regulation modes such as inner and outer pipes are fixedly arranged at the side inlet of the concentrated heat exchanger pipe, the requirement of variable flow distribution ratio under different working conditions cannot be met.
Disclosure of Invention
The invention provides an active pipeline splitting device which is used for solving the defect that pipeline splitting in the prior art cannot meet the requirements of variable flow distribution ratios under different working conditions.
The invention provides an active pipeline split device which comprises a main pipe, a transition connecting pipe and a multi-flow pipe, wherein the multi-flow pipe comprises an outer pipe and at least one inner pipe, the outer pipe is connected with the transition connecting pipe, and the inner pipe is arranged in the outer pipe in a penetrating way and fixedly connected with the outer pipe; and a rim pump is arranged in each inner tube.
According to the active pipeline split device provided by the invention, the rim pump comprises an annular stator, an annular rotor and an impeller, wherein the annular stator is fixedly connected to the inner wall of the corresponding inner pipe, the annular rotor is rotatably arranged on the inner wall of the annular stator through a bearing, and the impeller is fixedly connected to the inner wall of the annular rotor;
the inside of annular stator is equipped with the coil winding, the inside of annular rotor is equipped with the permanent magnet, the coil winding can produce the magnetic field after the circular telegram, the permanent magnet can drive under the effect of magnetic field annular rotor with the impeller is rotatory.
According to the active pipeline diversion device provided by the invention, the supporting piece is fixedly connected to the outer wall of the inner pipe in the circumferential direction, and the inner pipe is connected to a pipeline positioned on the outer side of the inner pipe through the supporting piece.
According to the active pipeline diversion device provided by the invention, the supporting piece is a plurality of fin plates distributed along the circumferential direction of the inner pipe, and the cross sections of the fin plates are streamline.
According to the active pipeline split device provided by the invention, the cable channel is arranged in the support piece, one end of the cable channel is penetrated through to the outer wall of the outer pipe, and the other end of the cable channel is penetrated through to the annular stator of the rim pump, so that the coil winding of the annular stator can be connected with external power supply equipment.
According to the active pipeline shunt device provided by the invention, the active pipeline shunt device further comprises frequency converters which are in one-to-one correspondence with the rim pumps, and the coil windings of the annular stator are connected to external power supply equipment through the frequency converters.
According to the active pipeline split device provided by the invention, the main pump is arranged in the main pipe.
According to the active pipeline splitting device provided by the invention, the number of the inner pipes is multiple, and the multiple inner pipes are arranged in the outer pipe in parallel.
According to the active pipeline splitting device provided by the invention, a plurality of inner pipes are arranged in a central symmetry manner along the axis of the outer pipe.
According to the active pipeline splitting device provided by the invention, the number of the inner pipes is multiple, and the multiple inner pipes are coaxially and alternately nested; the plurality of rim pumps are arranged in a staggered manner along the axial direction of the outer tube.
According to the active pipeline splitting device, one pipeline of the main pipeline is split into a plurality of branch pipelines through the multi-flow pipeline, the multi-flow pipeline comprises the outer pipe and at least one inner pipe, the inner pipes are fixed in the outer pipe, the rim pump is arranged in each inner pipe, the motor of the rim pump is integrated with the pump body into a whole, and the impeller of the rim pump can be connected without a rotating shaft; meanwhile, under the condition that the total pipe flow is certain, an extra pressure head is provided through a rim pump positioned on the inner pipe, and then the flow of the inner pipe can be independently controlled according to requirements, so that the flow ratio of the inner pipe and the outer pipe is adjusted. The active pipeline flow dividing device is compact in structure, wide in adaptability, convenient and accurate in flow dividing proportion adjustment and simple and reliable in operation control.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an active pipe branching device according to the present invention;
FIG. 2 is a schematic power supply diagram of the rim pump of FIG. 1;
FIG. 3 is a second schematic diagram of an active piping shunt device according to the present invention;
FIG. 4 is a schematic power supply of the rim pump of FIG. 3;
FIG. 5 is a third schematic diagram of an active piping shunt device according to the present invention;
FIG. 6 is a schematic power supply of the rim pump of FIG. 5;
Reference numerals:
1. a header pipe; 2. A transition connecting pipe; 3. An outer tube;
4. An inner tube; 41. A first inner tube; 42. A second inner tube;
43. a third inner tube; 44. A fourth inner tube; 5. A rim pump;
501. an annular stator; 502. An annular rotor; 503. An impeller;
51. A first rim pump; 52. A second rim pump; 53. A third rim pump;
54. a fourth rim pump; 6. A support; 61. A cable channel;
7. A frequency converter; 71. A first frequency converter; 72. A second frequency converter;
73. a third frequency converter; 74. A fourth frequency converter; 8. A main pump;
9. a power supply switch; 91. A first power supply switch; 92. A second power supply switch;
93. a third power supply switch; 94. And a fourth power supply switch.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In describing embodiments of the present invention, it should be noted that the terms "first," "second," "third," "fourth," and the like are used for clarity in describing the numbering of product components and do not represent any substantial distinction unless explicitly stated or defined otherwise. "up", "down", "left", "right" and the like are used only to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly. The specific meaning of the above terms in the embodiments of the present invention will be understood by those of ordinary skill in the art according to specific circumstances.
It should be noted that the term "coupled" is to be interpreted broadly, as being able to be coupled directly or indirectly via an intermediary, unless explicitly stated or defined otherwise. The specific meaning of the terms in the embodiments of the invention will be understood by those of ordinary skill in the art in a specific context.
As shown in fig. 1 and fig. 2, the active pipe branching device provided by the embodiment of the invention comprises a main pipe 1, a transition connecting pipe 2 and a multi-flow pipe, wherein the multi-flow pipe comprises an outer pipe 3 and at least one inner pipe 4, the outer pipe 3 is connected with the transition connecting pipe 2, and the inner pipe 4 is arranged in the outer pipe 3 in a penetrating way and fixedly connected with the outer pipe 3. A rim pump 5 is mounted in each inner tube 4.
Specifically, the inlet end of the manifold 1 can be connected to an upstream single-flow line, the outlet end of the manifold 1 is connected to the inlet end of the transition connection pipe 2, and the outlet end of the transition connection pipe 2 is connected to the outer pipe 3. In practice, the transition tube 2 may employ a diverging tube to form a smooth transition connection between the manifold 1 and the outer tube 3 of the multi-pass tube, since the overall tube diameter (i.e., the tube diameter of the outer tube 3) is generally greater than the tube diameter of the manifold 1. More specifically, a main pump 8 may be installed in the main pipe 1. The total flow through the inner and outer pipes 4, 3 can be controlled by the main pump 8.
The number of the multiple-flow pipe can be determined according to the number of branch pipes required downstream, and the multiple-flow pipe can be double-flow pipe or three-flow pipe or more, and the multiple-flow pipe is not limited herein.
Fig. 1 and 2 show a single-pass to double-pass active pipe branching device, in which the multi-pass pipe comprises an outer pipe 3 and an inner pipe 4 disposed within the outer pipe 3, the inner pipe 4 having a rim pump 5 mounted therein. An annular branch flow passage is formed between the inner wall of the outer tube 3 and the outer wall of the inner tube 4, and the inner tube 4 is internally provided with another branch flow passage. The rim pump 5 positioned on the inner tube 4 provides an additional pressure head, so that the flow rate of the inner tube 4 can be independently controlled, and the flow rate ratio of the inner tube 4 and the outer tube 3 is adjusted.
Fig. 3 and 4 show an active pipe branching device with a single-pass to three-pass, wherein the multi-pass pipe comprises an outer pipe 3 and two inner pipes 4 arranged side by side in the outer pipe 3 at intervals, respectively designated as a first inner pipe 41 and a second inner pipe 42, the first inner pipe 41 and the second inner pipe 42 being arranged centrally and symmetrically along the axis of the outer pipe 3. A first rim pump 51 is mounted in the first inner tube 41 and a second rim pump 52 is mounted in the second inner tube 42. A first bypass flow passage is formed between the inner wall of the outer tube 3 and the outer walls of the first inner tube 41 and the second inner tube 42, a second bypass flow passage is formed inside the first inner tube 41, and a third bypass flow passage is formed inside the second inner tube 42. The first rim pump 51 positioned in the first inner tube 41 and the second rim pump 52 positioned in the second inner tube 42 provide additional pressure heads, so that the flow rates of the first inner tube 41 and the second inner tube 42 can be independently controlled, and the flow rate ratio of the inner tube 4 and the outer tube 3 can be adjusted.
Fig. 5 and 6 show an active pipe split device for changing a single process into a three process, wherein the multi-process pipe comprises an outer pipe 3 and two inner pipes 4 arranged in the outer pipe 3 and respectively marked as a third inner pipe 43 and a fourth inner pipe 44, the third inner pipe 43 and the fourth inner pipe 44 are coaxially and alternately nested, a third rim pump 53 is arranged in the third inner pipe 43, and an impeller of the third rim pump 53 is positioned between an inlet of the third inner pipe 43 and an inlet of the fourth inner pipe 44; a fourth rim pump 54 is installed in the fourth inner tube 44, and the fourth rim pump 54 and the third rim pump 53 are arranged in a staggered manner along the axial direction of the outer tube 3. A first branch flow passage is formed between the inner wall of the outer tube 3 and the outer wall of the third inner tube 43, a second branch flow passage is formed between the inner wall of the third inner tube 43 and the outer wall of the fourth inner tube 44, and a third branch flow passage is formed inside the fourth inner tube 44. The flow rates of the third inner tube 43 and the fourth inner tube 44 can be independently controlled by providing additional pressure head through the third rim pump 53 positioned in the third inner tube 43 and the fourth rim pump 54 positioned in the fourth inner tube 44, thereby realizing the adjustment of the flow rate ratio of the inner tube 4 and the outer tube 3.
According to the active pipeline splitting device provided by the embodiment, one pipeline of the main pipeline 1 is split into a plurality of branch pipelines through the multi-flow pipeline, the multi-flow pipeline comprises the outer pipe 3 and at least one inner pipe 4, the inner pipes 4 are fixed in the outer pipe 3, the rim pump 5 is arranged in each inner pipe 4, a motor of the rim pump 5 and a pump body are integrated into a whole, and an impeller of the rim pump 5 can be connected without a rotating shaft, compared with a traditional axial flow pump, the rim pump 5 avoids the vibration problem caused by a cantilever beam structure of the rotating shaft, and improves the vibration resistance, the running stability and the running reliability of the pump, and is particularly suitable for being arranged in an internal pipeline; meanwhile, under the condition that the total pipe flow is certain, an additional pressure head is provided through the rim pump 5 positioned on the inner pipe 4, and then the flow of the inner pipe 4 can be independently controlled according to requirements, so that the flow ratio of the inner pipe 4 and the outer pipe 3 is adjusted. The active pipeline flow dividing device is compact in structure, wide in adaptability, convenient and accurate in flow dividing proportion adjustment and simple and reliable in operation control.
Further, as shown in fig. 1 and 2, the rim pump 5 includes an annular stator 501, an annular rotor 502 and an impeller 503, the annular stator 501 is fixedly connected to the inner wall of the corresponding inner tube 4, the annular rotor 502 is rotatably mounted on the inner wall of the annular stator 501 through a bearing, and the impeller 503 is fixedly connected to the inner wall of the annular rotor 502. The inside of annular stator 501 is equipped with the coil winding, and the inside of annular rotor 502 is equipped with the permanent magnet, and the coil winding can produce the magnetic field after the circular telegram, and the permanent magnet can drive annular rotor 502 and impeller 503 rotation under the effect of magnetic field.
Specifically, as shown in fig. 2, a first hollow cavity is provided in the annular stator 501, and a coil winding (not shown in the figure) is installed in the first hollow cavity, and meanwhile, a wiring hole communicating with the first hollow cavity is further provided on the outer wall of the annular stator 501, so that the coil winding is connected with the cable through the power supply. The annular rotor 502 is internally provided with a second hollow chamber in which permanent magnets (not shown in the figures) are mounted. Rolling bearings (not shown) are mounted at both ends of the annular rotor 502, the rolling bearings are connected with the annular stator 501 through end covers, and a gap is reserved between the annular rotor 502 and the annular stator 501 by positioning and mounting the end covers and the rolling bearings. The inner wall of the annular rotor 502 is fixedly connected with impellers 503, the impellers 503 are uniformly distributed along the circumferential direction of the annular rotor 502, and the profile of the impellers 503 can be an airfoil profile.
After being electrified, the coil windings can generate a magnetic field after being electrified, and the permanent magnet can drive the annular rotor 502 and the impeller 503 to rotate under the action of the magnetic field. Meanwhile, a dynamic pressure water film can be formed at the gap between the annular rotor 502 and the annular stator 501, which can lubricate the annular rotor 502 and cool the coil windings.
Further, as shown in fig. 1 to 6, the outer wall of the inner tube 4 is fixedly connected with a supporting member 6 in the circumferential direction, the inner tube 4 is connected to a pipe located outside the inner tube 4 through the supporting member 6, and the pipe located outside the inner tube 4 may be the outer tube 3 or another inner tube 4. Further, a cable channel 61 is formed in the support member 6, one end of the cable channel 61 is penetrated to the outer wall of the outer tube 3, and the other end of the cable channel 61 is penetrated to the annular stator 501 of the rim pump 5, so that the coil winding of the annular stator 501 can be connected with external power supply equipment.
Specifically, as shown in fig. 1 and 2, in some embodiments, only one inner tube 4 is disposed inside the outer tube 3, then the support member 6 is fixedly connected to the inner wall of the outer tube 3 and the outer wall of the inner tube 4, and a cable channel 61 is formed on the support member 6, and the specific position may be determined according to the routing of the actual cable.
As also shown in fig. 3 and 4, in other embodiments, the outer tube 3 is provided with two first inner tubes 41 and second inner tubes 42 side by side inside, and the support member 6 includes three parts, the first part is fixedly connected between the inner wall of the outer tube 3 and the outer wall of the first inner tube 41, the second part is fixedly connected between the inner wall of the outer tube 3 and the outer wall of the second inner tube 42, and the third part is fixedly connected between the outer wall of the first inner tube 41 and the outer wall of the second inner tube 42; and two paths of cable channels 61 are formed on the supporting member 6 and are respectively positioned at the first part and the second part of the supporting member 6, and the specific positions can be determined according to the routing of the actual cables.
As shown in fig. 5 and 6, in other embodiments, the outer tube 3 is provided with two third inner tubes 43 and fourth inner tubes 44 coaxially sleeved at intervals, and the support member 6 includes two parts, wherein the first part is fixedly connected between the inner wall of the outer tube 3 and the outer wall of the third inner tube 43, and the second part is fixedly connected between the inner wall of the third inner tube 43 and the outer wall of the fourth inner tube 44; and two cable channels 61 are formed on the support member 6, the cable channel for connecting the third rim pump 53 is formed on the first portion of the support member 6, the cable channel for connecting the fourth rim pump 54 is formed on the first portion and the second portion of the support member 6 in a penetrating manner, and the specific position can be determined according to the routing of the actual cable.
Further, in the present embodiment, the support 6 may be a plurality of fin plates distributed along the circumferential direction of the inner tube 4, the cross section of which is streamlined. Specifically, the front end of the fin plate facing the flow may be provided as a tapered plate, and the rear end thereof may be provided as a tapered plate, with an overall streamline low flow resistance structure. More specifically, the plurality of fin plates may be uniformly distributed along the circumferential direction of the inner tube 4, for example, four fin plates spaced 90 ° apart along the circumferential direction of the inner tube 4 may be employed, or three fin plates spaced 120 ° apart along the circumferential direction of the inner tube 4 may be employed.
On the basis of the above-described embodiment, as shown in fig. 1 to 6, the active pipe branching device in this embodiment further includes frequency converters 7 in one-to-one correspondence with the rim pumps 5, and the coil windings of the ring stator 501 are connected to an external power supply apparatus through the frequency converters 7. Specifically, the frequency converter 7 is also connected to an external power supply device (e.g., a power supply network, or an independent power supply, etc.) through a power supply switch 9.
Taking the operation mode of an active pipeline splitting device in fig. 2 as an example, the following is specific:
When the power supply switch 9 is turned off, the rim pump 5 in the inner tube 4 has no driving force, the annular rotor 502 and the impeller 503 run along with rotation, at the moment, the flow resistance ratio of the inner tube 4 to the outer tube 3 is maximum, the flow ratio is minimum, and the resistance ratio is designed according to the flow ratio requirement. When the power supply switch 9 is closed, a power supply network supplies power to the annular stator 501 of the rim pump 5 in the inner pipe 4, the annular rotor 502 and the impeller 503 rotate to provide an additional pressure head for the inner pipe 4, and the rotating speed of the impeller 503 is adjusted through the frequency converter 7, so that the pressure head can be adjusted, and the flow ratio between the inner pipe 4 and the outer pipe 3 is increased.
In addition, as shown in fig. 4 and fig. 6, the operation mode of the active pipe branching device is similar, and will not be described again, wherein the on/off of the first rim pump 51 is controlled by the first power supply switch 91, and the rotation speed is controlled by the first frequency converter 71; the second rim pump 52 is turned on and off by a second power switch 92 and the rotational speed is controlled by a second frequency converter 72; the third rim pump 53 is turned on and off by a third power supply switch 93, and the rotation speed is controlled by a third frequency converter 73; the fourth rim pump 54 is turned on and off by a fourth power switch 94 and the rotational speed is controlled by a fourth inverter 74. Each rim pump 5 adopts an independent control circuit, so that independent regulation and control can be realized, the adaptability is wider, and the control is more accurate.
As can be seen from the above embodiments, according to the active pipe splitting device provided by the present invention, one pipe of the main pipe 1 is split into a plurality of branch pipes through the multi-flow pipe, the multi-flow pipe includes the outer pipe 3 and at least one inner pipe 4, the inner pipes 4 are fixed in the outer pipe 3, and each inner pipe 4 is internally provided with a rim pump 5, the motor of the rim pump 5 is integrated with the pump body, and the impeller of the rim pump 5 can be connected without a rotating shaft, compared with the conventional axial flow pump, the rim pump 5 avoids vibration problems caused by the cantilever beam structure of the rotating shaft, improves vibration resistance of the pump, and stability and reliability of operation, and is particularly suitable for being installed in the inner pipe; meanwhile, under the condition that the total pipe flow is certain, an additional pressure head is provided through the rim pump 5 positioned on the inner pipe 4, and then the flow of the inner pipe 4 can be independently controlled according to requirements, so that the flow ratio of the inner pipe 4 and the outer pipe 3 is adjusted. The active pipeline flow dividing device is compact in structure, wide in adaptability, convenient and accurate in flow dividing proportion adjustment and simple and reliable in operation control.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450568.XA CN114383046B (en) | 2021-11-30 | 2021-11-30 | Active pipe flow divider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111450568.XA CN114383046B (en) | 2021-11-30 | 2021-11-30 | Active pipe flow divider |
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| Publication Number | Publication Date |
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| CN114383046A CN114383046A (en) | 2022-04-22 |
| CN114383046B true CN114383046B (en) | 2024-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111450568.XA Active CN114383046B (en) | 2021-11-30 | 2021-11-30 | Active pipe flow divider |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118328021B (en) * | 2024-06-11 | 2024-10-18 | 扬州弘跃机械有限公司 | Dish closes subassembly and axial-flow pump |
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| CN103438025A (en) * | 2013-08-23 | 2013-12-11 | 中国核动力研究设计院 | Pump with double-layer sleeve-type inlet and outlet flow channels |
| CN109373091A (en) * | 2018-10-30 | 2019-02-22 | 中国船舶重工集团公司第七〇九研究所 | Pipeline shunt device |
| CN110397602A (en) * | 2019-06-27 | 2019-11-01 | 中国船舶重工集团公司第七一九研究所 | A kind of integrated pipeline pump |
Family Cites Families (8)
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| US7070398B2 (en) * | 2003-09-25 | 2006-07-04 | Medforte Research Foundation | Axial-flow blood pump with magnetically suspended, radially and axially stabilized impeller |
| CN204988008U (en) * | 2015-07-30 | 2016-01-20 | 王金淼 | Thick gaseous medium heat transfer device is glued to tubular non - |
| CN105109650B (en) * | 2015-09-15 | 2017-09-26 | 武汉理工大学 | To turning shaftless wheel rim driving propeller |
| CN105221796B (en) * | 2015-10-16 | 2018-02-16 | 徐州卓弘机械制造有限公司 | Divided fluid stream control device |
| WO2018026080A1 (en) * | 2016-08-05 | 2018-02-08 | 주식회사 엑스팀오션 | Jet drive |
| 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 |
| CN108163173A (en) * | 2018-01-18 | 2018-06-15 | 朱幕松 | The shaftless pump spray nuclear submarine of low noise |
| CN214617056U (en) * | 2021-04-12 | 2021-11-05 | 合肥仙湖半导体科技有限公司 | Shaftless fluid jet equipment |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438025A (en) * | 2013-08-23 | 2013-12-11 | 中国核动力研究设计院 | Pump with double-layer sleeve-type inlet and outlet flow channels |
| CN109373091A (en) * | 2018-10-30 | 2019-02-22 | 中国船舶重工集团公司第七〇九研究所 | Pipeline shunt device |
| CN110397602A (en) * | 2019-06-27 | 2019-11-01 | 中国船舶重工集团公司第七一九研究所 | A kind of integrated pipeline pump |
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