CN110185628A - Multimedium delivery pump - Google Patents
Multimedium delivery pump Download PDFInfo
- Publication number
- CN110185628A CN110185628A CN201910461122.3A CN201910461122A CN110185628A CN 110185628 A CN110185628 A CN 110185628A CN 201910461122 A CN201910461122 A CN 201910461122A CN 110185628 A CN110185628 A CN 110185628A
- Authority
- CN
- China
- Prior art keywords
- pump
- multimedium
- shell
- inner casing
- delivery pump
- 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.)
- Granted
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D31/00—Pumping liquids and elastic fluids at the same time
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D5/00—Pumps with circumferential or transverse flow
- F04D5/002—Regenerative pumps
Abstract
The present invention provides a kind of multimedium delivery pumps, including pump case, stator, rotor, pump leaf, the pump case includes the first pump port and the second pump port, first outer half-shell and the second outer half-shell, the stator includes soft magnet core group, pump inner casing, coil group, wherein, the pump leaf is fixed on the inner circumferential of the rotor, the both ends of the rotor are equipped with the first sealing ring and bearing, the rotor is installed in the pump inner casing via first sealing ring and bearing, the periphery of the pump inner casing is arranged in the soft magnet core group, the coil group is mounted on the periphery of the soft magnet core group.Invention significantly improves the overall tightness of delivery pump, achievees the purpose that leakproof, explosion-proof, and make transportable medium more extensive, there is high safety conveying dangerous gas or liquid medium.
Description
Technical field
The invention belongs to convey pump technical field, relate more specifically to a kind of multimedium conveying that can convey different medium
Pump.
Background technique
Pump is mainly used to convey water, oil, acid solution and lye etc. as trandfer fluid or the important equipment of pressurization, can also be defeated
It supplies gas body, liquid vapour mixture and the liquid containing suspended solids.Existing delivery pump is mainly by motor, pump leaf, casing three parts group
At, but since machine shaft directly or indirectly connect with pump leaf, motor rotation is so that shaft can not be absolutely sealed, and wire portion
Divide and needs to be protected in order to avoid contacting and being destroyed with pumped (conveying) medium, so existing delivery pump can generally convey the peace that can be revealed
All dielectric is to be unable to complete safe transport for some special media, can not especially convey dangerous gas medium, band
The liquid medium of certain pressure and partial mixture medium.
Although also having delivery pump and diaphragm pump of electric machine external etc. in the prior art, in general, general liquid conveying
Pump is not useable for conveying gas, gas transfer pump is not useable for conveying liquid.In addition, most delivery pumps are all in the prior art
Medium is irreversibly delivered, i.e. machine shaft must be fixed rotation direction.
In production practices, need a kind of delivery pump that can convey different medium, it is specific for example, most prospect instantly it is new
One of energy Hydrogen Energy is considered as the ultimate energy of the mankind, because the fuel of hydrogen fuel cell is hydrogen, and reacts electricity production heel row
Out be pure water, high energy conversion than and spatter property increasingly by the attention of energy source use.Presently, hydrogen fuel cell
The delivery pump of a transportable water of demand, vapour (about 60 DEG C of temperature) and hydrogen (pipe pressure about 200kpa) mixture, is used in system
Pressurization and promotion mixture circulate.What hydrogen fuel cell system was carried in the prior art is electric diaphragm pump, but due to stream
The reasons such as small, pump volume is big and heavier, at high cost, leakproofness is difficult to guarantee are measured, so most of producers have to cancel the accessory,
Cause reduce hydrogen arteries and veins row's period, hydrogen discharge amount increases, hydrogen reaction is insufficient and fuel cell system power generation amount efficiency drop
It is low.
Therefore it provides a kind of multimedium delivery pump that can overcome the above disadvantage existing in the prior art, becomes ability
Field technique personnel technical problem urgently to be solved.
Summary of the invention
The present invention is proposed for the above technical problem existing in the prior art, is provided a kind of multimedium delivery pump, is wrapped
Pump case, stator, rotor, pump leaf are included, the pump case includes half outside the first pump port and the second pump port, the first outer half-shell and second
Shell, the stator include soft magnet core group, pump inner casing, coil group, wherein the pump leaf is fixed on the inner circumferential of the rotor, institute
The both ends for stating rotor are equipped with the first sealing ring and bearing, and the rotor is installed on described via first sealing ring and bearing
It pumps in inner casing, the periphery of the pump inner casing is arranged in the soft magnet core group, and the coil group is mounted on the soft magnet core group
Periphery.
Further, in above-mentioned multimedium delivery pump, the rotor is annular permanent magnet rotor, and the pump leaf is by spiral vortex
Fan is constituted.
Further, in above-mentioned multimedium delivery pump, the two side ends of the pump inner casing are inner casing flange, the interior shell process
It is cylindrical portion between orchid, the inner casing flange is circumferentially arranged multiple first screw holes, and the soft magnet core group is arranged described
It is integrated on the periphery of cylindrical portion and by Shooting Technique and the pump inner casing.
Further, in above-mentioned multimedium delivery pump, the first pump port and second pump port include end
Mouth flange and pump joint, the circumferential direction of the terminal port flange are provided with multiple second screw holes, and the pump joint is connected to conveyance conduit.
Further, in above-mentioned multimedium delivery pump, the outer peripheral surface of the first outer half-shell and the second outer half-shell
On be provided with multiple lugs, the lug is provided with third screw hole, the outer peripheral surface of the first outer half-shell and the second outer half-shell
On be additionally provided with multiple axially extending installation muscle, the installation muscle is provided with screw hole.
Further, in above-mentioned multimedium delivery pump, inserted with bolt by described the in the third screw hole of the lug
One outer half-shell and the second outer half-shell mutually fasten.
Further, in above-mentioned multimedium delivery pump, the second screw hole of the screw hole for installing muscle, the terminal port flange
And the quantity of the first screw hole three of the inner casing flange, aperture are all the same and position reciprocal correspondence is arranged.
Further, in above-mentioned multimedium delivery pump, the first outer half-shell and the second outer half-shell are mounted on institute
Between the inner casing flange for stating pump inner casing two side ends.
Further, in above-mentioned multimedium delivery pump, the spiral shell of the second screw hole of the terminal port flange, the installation muscle
The first pump port and second is pumped into port, described the inserted with bolt in first screw hole of hole and the inner casing flange
One outer half-shell and the second outer half-shell and the pump inner casing mutually assemble.
Further, it in above-mentioned multimedium delivery pump, is set in one of the first outer half-shell and the second outer half-shell
It is equipped with conducting wire socket, the coil group, the other end connection of conducting wire are inserted into the conducting wire socket and are butted up against in one end of conducting wire
In external power supply.
Further, in above-mentioned multimedium delivery pump, is provided between the terminal port flange and the inner casing flange
Two sealing rings.
Further, in above-mentioned multimedium delivery pump, the pump leaf can also be fanned by leaf and be constituted.
Further, in above-mentioned multimedium delivery pump, first sealing ring and second sealing ring select silica gel
Sealing ring.
Further, in above-mentioned multimedium delivery pump, the non-metallic materials such as the Selection of Bearings graphite, nylon, ceramics
Spherical roller bearing.
Further, in above-mentioned multimedium delivery pump, the pump joint selects hose coupling, bump joint, screw thread to connect
Head or thimble connector.
Multimedium delivery pump of the invention thoroughly solves the problems, such as not being absolutely sealed when rotor rotation, the energization of stator
Other of position and delivery pump electric part are completely isolated with pumped (conveying) medium, and may directly be contacted with pumped (conveying) medium
Components only include as pump leaf spiral turbofan, as rotor annular permanent magnet rotor, pump inner casing cylindrical portion inner wall,
First sealing ring, bearing and the first pump port and the second pump port in specific implementation can be according to medium physics and chemistry attributes
Select corresponding material that the above components are made, or can also be according to the corresponding material of medium physics and chemistry Attributions selection to above zero
Component carries out coating processing, thus significantly improves the overall tightness of delivery pump, achievees the purpose that leakproof, explosion-proof, and make
The medium that must be can transport is more extensive, has high safety conveying dangerous gas or liquid medium.
In addition, multimedium delivery pump of the invention subtracts the overall volume of delivery pump significantly due to its compact structure
Small, installation form is also more various, it is easy to maintain easily to replace.Especially on conveyance conduit, multimedium delivery pump of the invention
It is stronger that assembling can be transformed, can realize that more pump group serial or parallel connections use according to actual use demand.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings, in attached drawing:
Fig. 1 is the exploded perspective view of multimedium delivery pump of the invention.
Fig. 2 is the assembled state perspective view that 90 ° of the part of multimedium delivery pump of the invention is splitted.
Fig. 3 is that multimedium delivery pump shown in Fig. 2 removes the perspective view after pump case.
Fig. 4 is the semi-cutaway of multimedium delivery pump shown in Fig. 3.
Fig. 5 is the perspective view of the rotor of multimedium delivery pump of the invention.
Fig. 6 (A) and 6 (B) is respectively that the series connection of multimedium delivery pump of the invention is applied and application schematic diagram in parallel.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only of the invention
A part of the embodiment, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
As shown in Fig. 1 to 5, multimedium delivery pump of the invention includes pump case, stator, rotor, pump leaf, wherein pump case packet
The first pump port 1 and the second pump port 12, the first outer half-shell 4 and the second outer half-shell 7 are included, in stator includes soft magnet core group 3, pumps
Shell 5, coil group 6, rotor are made of annular permanent magnet rotor 10, and pump leaf is made of spiral turbofan 11.
Spiral turbofan 11 is fixed on 10 inner circumferential of annular permanent magnet rotor, can rotate with annular permanent magnet rotor 10.Annular permanent magnet turns
The both ends of son 10 are equipped with the first sealing ring 8 and bearing 9, and thus annular permanent magnet rotor 10 is pacified via the first sealing ring 8 and bearing 9
Loaded in pump inner casing 5.
The two side ends for pumping inner casing 5 are inner casing flange 51, are cylindrical portion 52, inner casing flange 51 and cylinder between inner casing flange 51
Portion 52 can be made and be structure as a whole.Inner casing flange 51 is circumferentially arranged multiple first screw holes 53, such as three or four
One screw hole 53.52 periphery of cylindrical portion of pump inner casing 5 is arranged in soft magnet core group 3, and coil group 6 is mounted on the outer of soft magnet core group 3
Zhou Shang.
First pump port 1 and the second pump port 12 include terminal port flange 13 and pump joint 14, the circumferential direction of terminal port flange 13
Multiple second screw holes 15 are provided with, pump joint 14 can connect in conveyance conduit, to carry out medium from the first pump port 1 to the second
Pump the conveying of port 12 (or pumping port 1 from the second pump port 12 to the first).
Multiple lugs 16 are provided on the outer peripheral surface of first outer half-shell 4 and the second outer half-shell 7, lug 16 is provided with third screw hole
17.It is additionally provided with multiple axially extending installation muscle 18 on the outer peripheral surface of first outer half-shell 4 and the second outer half-shell 7, muscle 18 is installed
It is provided with screw hole.Screw hole, the second screw hole 15 of terminal port flange 13 and 53 three of the first screw hole of inner casing flange 51 of muscle 18 are installed
Quantity, aperture it is all the same and be arranged position reciprocal correspondence.
First outer half-shell 4 and the second outer half-shell 7 are mounted between the inner casing flange 51 of pump 5 two side ends of inner casing, by by spiral shell
Bolt (not shown) is inserted into the third screw hole 17 of lug 16 and mutually fastens the first outer half-shell 4 and the second outer half-shell 7.In addition,
Pass through the second screw hole 15 that bolt (not shown) is inserted into terminal port flange 13, the screw hole for installing muscle 18 and inner casing flange 51
In first screw hole 53 and fasten, by the first pump port 1 and the second pump port 12, the first outer half-shell 4 and the second outer half-shell 7 and
The mutually assembling of pump inner casing 5 forms delivery pump.
In addition, being provided with conducting wire socket in one of the first outer half-shell 4 and second outer half-shell 7, one end insertion of conducting wire 19 is led
In line jack and coil group 6 can be butted up against, the other end of conducting wire 19 then may connect to external power supply, to power to delivery pump.
Multimedium delivery pump of the invention is utilized as a result, after the connection external power supply of conducting wire 19 is powered to delivery pump, electricity
Circulation turns to magnetic field, and magnetic field force driving annular permanent magnet rotor 10 rotates under the support of bearing 9, and spiral turbofan 11 rotates with it,
Thus pumped (conveying) medium is transported to the second pump end interface 12 from the first pump end interface 1.It, can be in addition, by external control electricity box
Change steering and the revolving speed of spiral turbofan 11, it is possible thereby to realize the reversed conveying of multimedium delivery pump of the invention, i.e., will be situated between
Matter is transported to the first pump end interface 1, and the feed flow of control medium from the second pump end interface 12.
Preferably, in multimedium delivery pump of the invention, other than spiral turbofan 11, pump leaf can also be by other shapes
The leaf of formula, which is fanned, to be constituted.
It preferably, is the overall tightness for further increasing delivery pump, it can be between terminal port flange 13 and inner casing flange 51
Second sealing ring 2 is set.
Preferably, in multimedium delivery pump of the invention, the first sealing ring 8 and the second sealing ring 2 can select silica gel
Sealing ring.
Preferably, in multimedium delivery pump of the invention, the material and type of bearing 9 can be according to the physics and chemistry of pumped (conveying) medium
Depending on attribute, such as the spherical roller bearing of the non-metallic materials such as graphite, nylon, ceramics can be selected.
Preferably, in multimedium delivery pump of the invention, the pump joint 14 for being connected to conveyance conduit can select hose
Connector can also select the connector of other forms, such as bump joint, nipple, clip according to actual use situation certainly
Connector etc..
In multimedium delivery pump of the invention, as one of innovative improvement, spiral turbofan 11 is fixed on ring
10 inner circumferential of shape p-m rotor, therefore rotor and pump leaf become one, pump leaf also rotates with it when rotor rotates, and eliminates routine
Machine shaft in technology correspondingly thoroughly solves the problems, such as not being absolutely sealed when rotor rotation.
In multimedium delivery pump of the invention, as one of innovative improvement, by Shooting Technique by soft magnetism
Iron core group 3 is integrated with pump inner casing 5, so that soft magnet core group 3 is fixed on 52 periphery of cylindrical portion of pump inner casing 5.Pass through
Above-mentioned measure, by soft magnet core group 3, simultaneously coil group 6 is thoroughly isolated from pumped (conveying) medium to the cylindrical portion 52 of pump inner casing 5 in turn, so that fixed
The energization position of son is not direct to be contacted with conveying medium.As a kind of specific embodiment, by soft magnet core group 3 and pump inner casing 5
It is molded the hydrophobic type of Choosing Injection Mould Material being integrated and is resistant to certain air pressure.
In multimedium delivery pump of the invention, as one of innovative improvement, conducting wire 19 is waited electrical
Part is set the conducting wire socket in one of the first outer half-shell 4 and the second outer half-shell 7 and butts up against coil group 6, and coil group 6 is pacified
On the periphery of soft magnet core group 3, and soft magnet core group 3 is thoroughly isolated from by the cylindrical portion 52 for pumping inner casing 5 as described above
Pumped (conveying) medium, therefore, the electric part and pumped (conveying) medium of delivery pump are completely isolated.
In conclusion multimedium delivery pump of the invention thoroughly solves the problems, such as not being absolutely sealed when rotor rotation,
The energization position of stator and other electric parts of delivery pump are completely isolated with pumped (conveying) medium, and may be with pumped (conveying) medium
The components directly contacted only include the spiral turbofan 11 as pump leaf, the annular permanent magnet rotor 10 as rotor, pump inner casing 5
The inner wall of cylindrical portion 52, the first sealing ring 8, bearing 9 and the first pump port 1 and the second pump port 12, be embodied
In, the above components can be made according to the corresponding material of medium physics and chemistry Attributions selection, or can also be according to medium physics and chemistry category
Property selection corresponding material coating processing is carried out to the above components, thus significantly improve the overall tightness of delivery pump, reach
To leakproof, explosion-proof purpose, and make transportable medium more extensive, even if conveying dangerous gas or liquid medium
With high safety.
In addition, multimedium delivery pump of the invention subtracts the overall volume of delivery pump significantly due to its compact structure
Small, installation form is also more various, it is easy to maintain easily to replace.Especially on conveyance conduit, multimedium delivery pump of the invention
It is stronger that assembling can be transformed, can realize that more pump group serial or parallel connections use according to actual use demand, such as Fig. 6 (A) and 6 (B)
It is shown.The serial or parallel connection of multimedium delivery pump through the invention uses, and the hydrogen that may be used as hydrogen fuel cell system follows
Ring pump group increases hydrogen recycle stream amount significantly, so that hydrogen reaction is more abundant, increases hydrogen utilization ratio, mentions
The high generating efficiency of fuel cell system.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.In addition, herein, the relational terms of such as " first ", " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.In addition, herein "front", "rear", "left", "right", "upper", "lower" "inner", "outside",
The orientation or positional relationship of the instructions such as "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention rather than requires the present invention that must be constructed and operated in a specific orientation.Meanwhile term " phase used herein
Even ", " connection " etc. shall be understood in a broad sense, and may be a fixed connection, may be a detachable connection, can be directly connected,
Can be indirectly connected by intermediate member, for the ordinary skill in the art, can understand as the case may be on
State the concrete meaning of term.
It should also be noted that, the above examples are only used to illustrate the technical scheme of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And
These are modified or replaceed, the scope of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of multimedium delivery pump, including pump case, stator, rotor, pump leaf, which is characterized in that the pump case includes the first pump
Port and the second pump port, the first outer half-shell and the second outer half-shell, the stator include soft magnet core group, pump inner casing, coil group,
Wherein, the pump leaf is fixed on the inner circumferential of the rotor, and the both ends of the rotor are equipped with the first sealing ring and bearing, and described turn
Son is installed in the pump inner casing via first sealing ring and bearing, and the pump inner casing is arranged in the soft magnet core group
Periphery, the coil group are mounted on the periphery of the soft magnet core group.
2. multimedium delivery pump according to claim 1, which is characterized in that the rotor is annular permanent magnet rotor, described
Pump leaf is made of spiral turbofan.
3. multimedium delivery pump according to claim 2, which is characterized in that the two side ends of the pump inner casing are interior shell process
Orchid is cylindrical portion between the inner casing flange, and the inner casing flange is circumferentially arranged multiple first screw holes, the soft magnet core
Group is arranged on the periphery of the cylindrical portion and is integrated by Shooting Technique and the pump inner casing.
4. multimedium delivery pump according to claim 3, which is characterized in that the first pump port and second pump end
Mouth includes terminal port flange and pump joint, and the circumferential direction of the terminal port flange is provided with multiple second screw holes, the pump joint connection
In conveyance conduit.
5. multimedium delivery pump according to claim 4, which is characterized in that half outside the first outer half-shell and described second
It is provided with multiple lugs on the outer peripheral surface of shell, the lug is provided with third screw hole, half outside the first outer half-shell and described second
Multiple axially extending installation muscle are additionally provided on the outer peripheral surface of shell, the installation muscle is provided with screw hole.
6. multimedium delivery pump according to claim 5, which is characterized in that the screw hole of the installation muscle, the port method
The quantity of first screw hole three of blue the second screw hole and the inner casing flange, aperture are all the same and that position is arranged is mutually right
It answers.
7. multimedium delivery pump according to claim 6, which is characterized in that half outside the first outer half-shell and described second
Shell is mounted between the inner casing flange of the pump inner casing two side ends.
8. multimedium delivery pump according to claim 7, which is characterized in that half outside the first outer half-shell and described second
Conducting wire socket is provided on one of shell, one end of conducting wire is inserted into the conducting wire socket and butts up against the coil group, conducting wire
The other end is connected to external power supply.
9. multimedium delivery pump according to claim 8, which is characterized in that the terminal port flange and the inner casing flange it
Between be provided with the second sealing ring.
10. multimedium delivery pump according to any one of claim 1 to 9, which is characterized in that first sealing ring and
Second sealing ring selects silica gel sealing ring, the spherical roller axis of the Selection of Bearings graphite, nylon or ceramic material
It holds, the pump joint selects hose coupling, bump joint, nipple or thimble connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461122.3A CN110185628B (en) | 2019-05-30 | 2019-05-30 | Multi-medium delivery pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910461122.3A CN110185628B (en) | 2019-05-30 | 2019-05-30 | Multi-medium delivery pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110185628A true CN110185628A (en) | 2019-08-30 |
| CN110185628B CN110185628B (en) | 2021-07-20 |
Family
ID=67718837
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910461122.3A Active CN110185628B (en) | 2019-05-30 | 2019-05-30 | Multi-medium delivery pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057171A (en) * | 2022-05-06 | 2022-09-16 | 大连海事大学 | Remote pipeline transportation device system |
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| CN107630838A (en) * | 2017-10-27 | 2018-01-26 | 西华大学 | A kind of helico-axial gas fluid mixture pump |
| CN108194430A (en) * | 2017-12-27 | 2018-06-22 | 合肥新沪屏蔽泵有限公司 | A kind of effluent canned motor pump for conveying gas-liquid mixed media |
| CN109779921A (en) * | 2019-03-18 | 2019-05-21 | 李卿 | A kind of high pressure axial-flow pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057171A (en) * | 2022-05-06 | 2022-09-16 | 大连海事大学 | Remote pipeline transportation device system |
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| CN110185628B (en) | 2021-07-20 |
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