CN109404291A - High-performance low-flow high-lift single-stage cantilever centrifugal pump - Google Patents
High-performance low-flow high-lift single-stage cantilever centrifugal pump Download PDFInfo
- Publication number
- CN109404291A CN109404291A CN201811365554.6A CN201811365554A CN109404291A CN 109404291 A CN109404291 A CN 109404291A CN 201811365554 A CN201811365554 A CN 201811365554A CN 109404291 A CN109404291 A CN 109404291A
- Authority
- CN
- China
- Prior art keywords
- impeller
- pump
- blade
- guide vane
- centrifugal 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/20—Mounting rotors on shafts
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
Abstract
Present invention discloses a kind of high-performance low-flow high-lift single-stage cantilever centrifugal pumps, including the pump housing and pump cover being fixedly connected with each other, and the unshrouded impeller being formed by space by the pump housing and pump cover is set, the horizontal plane of the periphery of the impeller and the pump housing forms blade tip clearance；The extension of one rotary shaft is placed in the space, and is extended to be placed on the end of the rotary shaft and be arranged with the impeller, and the impeller is fastened in the rotary shaft by an impeller nut；Guide vane is additionally provided in the space, the horizontal ends of the guide vane realize the control to blade tip clearance size between the pump housing and impeller；The vertical end face of the guide vane is equipped with runner to the side of the impeller.The beneficial effects are mainly reflected as follows: delicate structure can influence to pump this characteristic of performance using centrifugal pump with open impellerpump blade tip clearance size, and it is adjustable that designed pump configuration can realize blade tip clearance, to realize that pump performance is adjustable, have stronger applicability.
Description
Technical field
The present invention relates to pump classes, specifically, more particularly to a kind of high-performance low-flow high-lift single-stage cantilever centrifugal pump.
Background technique
Main wasted work equipment of the centrifugal pump as petrochemical industry, metallurgy and power industry, is widely used in national economy
In every field.As the requirement of energy-saving and emission-reduction is higher and higher, centrifugal pump is also constantly to high-performance, the direction of low power consuming
Development.
Centrifugal pump has the diversified forms such as vertical, horizontal, single-stage, multistage, single suction, double suction, self-priming.Centrifugal pump is to utilize leaf
Wheel rotates and makes water that centrifugal movement occur and carry out work.Water pump is before activation, it is necessary to make full of water in pump case and suction hose, then
Start motor, pump shaft impeller and water is made to do high speed rotary motion, water occurs centrifugal movement, impeller outer edge is thrown toward, through snail
The runner of shape pump case flows into the pressure pipe road of water pump.
As Authorization Notice No. CN207621031U discloses a kind of single-stage cantilever centrifugal pump, including green end and power end, institute
Stating green end includes the pump housing, pump cover, impeller, impeller nut, anti-rotation gasket, and the power end includes bearing housing, transverse bearing, pushes away
Power bearing；It is squeezed and is fixed by bearing housing flange between the pump housing and pump cover；Impeller nut does groove special designing, while increasing anti-
Turn gasket；Bearing housing modularized design simultaneously increases axis intensity, while using high-mechanic radial direction and thrust bearing and increasing radiating ribs
Plate design.Currently, impeller applied by the application field is typically designed to double shrouded wheel structure, and centrifugal pump with shrouded impeller, then
There are following unfavorable factors: 1, engine centrifugal revolution speed is higher, certain type centrifugation revolution speed can reach 60000r/min, if adopted
With double shrouded wheel, then its disc friction will be significantly increased.2, using double shrouded wheel, it is necessary to it is forward and backward that complicated impeller be arranged
Sealing, necessarily occupies more axially and radially spaces, and assembly will become complicated, and be unfavorable for centrifugal pump Miniaturization Design.3, it adopts
With double shrouded wheel, product is processed and is generallyd use front shroud and the molding process of impeller welding, and this method is easy to make to weld
Material cross flow in runner is accumulated, and pump flow passage structure deviates design requirement, and performance is caused to deviate design value.
Summary of the invention
The purpose of the present invention is overcoming the shortcomings of the prior art, it is outstanding to provide a kind of high-performance low-flow high-lift single-stage
Arm centrifugal pump.
The purpose of the present invention is achieved through the following technical solutions:
A kind of high-performance low-flow high-lift single-stage cantilever centrifugal pump, including the pump housing and pump cover being fixedly connected with each other, and setting by
The pump housing and pump cover are formed by the unshrouded impeller in space, the horizontal plane composition of the periphery of the impeller and the pump housing
Blade tip clearance；The extension of one rotary shaft is placed in the space, and is extended to be placed on the end of the rotary shaft and be arranged with the leaf
Wheel, the impeller are fastened in the rotary shaft by an impeller nut；Guide vane, the level of the guide vane are additionally provided in the space
The control to blade tip clearance size is realized between the pump housing and impeller in end；The vertical end face of the guide vane is to the impeller
Side is equipped with runner.
Preferably, the matrix that the impeller includes at least wheel hub and extends along the wheel hub radial direction, described matrix
On offer one group run through described matrix balance hole；It is in the blade being angularly arranged that one group is additionally provided in described matrix, described
The height of blade from wheel hub on the direction of the outer circumference surface of described matrix to be arranged from high to low.
Preferably, the blade includes the first blade and the second blade, and the length of first blade is described matrix
For outer circumference surface to the distance of the wheel hub, the length of second blade is less than the length of first blade, is connected described the
Second blade there are two being set between one blade.
Preferably, the cross section of the guide vane is trapezoidal, and lower surface is close to the horizontal plane of the pump housing, and the guide vane erects
It faces directly and is close to the inner wall of the pump housing.
Preferably, the runner of the guide vane is in horn-like, the cross section of the runner from the inner peripheral surface of the guide vane to
Its outer circumference surface is gradually increased, and the water passage surface is smooth.
Preferably, the horizontal ends of the guide vane be equipped with pass through aperture, the pump cover be equipped with a threaded hole, one with it is described
The clamping screw that threaded hole matches is placed in the threaded hole through through hole extension.
Preferably, the medial ends of the pump housing are provided with sucking flange, top is provided with outlet(discharge) flange, the inhalation
Orchid, outlet(discharge) flange, process pipe and the impeller form the runner of medium, and the medium inlet of the impeller is towards the sucking
Flange, media outlet are coaxial with the outlet(discharge) flange.
Preferably, the pump cover is connect backwards to the side of the pump housing with bearing housing, the bearing housing and the pump
Body is provided with hollow cavity, and the rotary shaft is set on the central axes of the cavity.
Preferably, radiating rib plate is additionally provided on the bearing housing.
Preferably, a water blocking member is additionally provided in the hollow cavity for stating bearing housing, the water blocking member passes through compression spiral shell
Silk is locked on the pump cover, is seamless connection between the water blocking member and the pump cover.
The beneficial effects are mainly reflected as follows:
1, since unshrouded impeller is without front shroud, sealing before pump is just eliminated, this reduces the axial length of centrifugal wheel, rotation axis system
Total length is reduced by about 3%, so that structure is more compact；
2, since unshrouded impeller disc friction is small, moment of friction is small while compact-sized when starting, rotor axial system (including
Pump, axis) quality is small compared to double shrouded wheel, so that rotary inertia is small, acceleration is started than the same thrust using closed centrifugal pump
Magnitude centrifugal pump acceleration significantly improves；
3, it can influence to pump this characteristic of performance using centrifugal pump with open impellerpump blade tip clearance size, designed pump configuration can realize leaf
It is adjustable to push up gap, to realize that pump performance is adjustable, there is stronger applicability；
4, impeller is fastened on the rotary shaft by impeller nut, is simplified the position connection structure, is reduced number of parts, and more
It is easily assembled；
5, the planar end and periphery of guide vane can preferably be close to setting with the pump housing, optimize mounting structure, installation maintenance is just
Victory, meanwhile, current stabilization can be played the role of to medium.
Detailed description of the invention
Technical scheme of the present invention is further explained with reference to the accompanying drawing:
Fig. 1: structural schematic diagram of the invention；
Fig. 2: the perspective view of impeller in the present invention；
Fig. 3: the perspective view of guide vane in the present invention.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
It is not limited to the present invention, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
As shown in Figure 1 to Figure 3, present invention discloses a kind of high-performance low-flow high-lift single-stage cantilever centrifugal pumps, including
The pump housing 1 and the pump cover 2 to match with the pump housing 1, it is affixed by locking bolt between the pump housing 1 and pump cover 2, it optimizes
Mounting structure reduces operation, improves flow path efficiency.Wherein, the medial ends of the pump housing 1 be provided with sucking flange 13,
Top is provided with outlet(discharge) flange 14, and the sucking flange 13, outlet(discharge) flange 14, process pipe and the impeller form medium
The medium inlet of runner, the impeller is coaxial with the outlet(discharge) flange 14 towards the sucking flange 13, media outlet.Further
, the pump cover 2 is connect backwards to the side of the pump housing 1 with bearing housing 6, and the bearing housing 6 and the pump housing 1 are respectively provided with
There is hollow cavity, rotary shaft 4 is set on the central axes of the cavity.It is additionally provided in the hollow cavity for stating bearing housing 6
One water blocking member 62, the water blocking member 62 are locked on the pump cover 2 by housing pin 63, the water blocking member 62 and the pump
It is seamless connection between lid 2.
It further include that the unshrouded impeller 3 being formed by space 11 by the pump housing 1 and pump cover 2, institute are set in the present invention
The horizontal plane 21 of the periphery and the pump housing 1 of stating impeller 3 forms blade tip clearance, and the size of blade tip clearance will affect the use of pump
Performance, if blade tip clearance is bigger, pump performance is poor, increases fluid media (medium) and loses in blade tip clearance secondary flow, thus
Volumetric loss before increasing pump.Therefore, in the present invention, guide vane 5, the horizontal ends of the guide vane 5 52 are additionally provided in the space 11
Between the pump housing 1 and impeller 3, the control to blade tip clearance size is realized.Specifically, the cross section of the guide vane 5 is trapezoidal,
Lower surface is close to the horizontal plane 21 of the pump housing, and the vertical plane of the guide vane 5 is close to the inner wall 22 of the pump housing 1, and the setting is excellent
Change mounting structure, installation maintenance is convenient, meanwhile, current stabilization can be played the role of to medium.The runner 51 of 5 vertical end 53 of guide vane is in
Horn-like, the cross section of the runner 51 is gradually increased from the inner peripheral surface of the guide vane 5 to its outer circumference surface, the runner 51
Surface is smooth, and the setting of the runner 51 can play guide functions to medium, meanwhile, avoid building up inside.The level of the guide vane 5
End 52 is equipped with pass through aperture 54, and the pump cover 2 is equipped with a threaded hole 12, a locking screw to match with the threaded hole 12
Bolt 55 is placed in the threaded hole 12 through the through hole 54 extension, by the clamping screw 55 by 5 locking of guide vane
On the pump cover 2, mounting structure is optimized, reduces operation, improves flow path efficiency.
In the present invention, the rotary shaft 4, which at least partly extends, to be placed in the space 11, and is extended and be placed in the rotary shaft
The impeller 3 is arranged on 4 end, the impeller 3 is fastened in the rotary shaft 4 by an impeller nut 31.Specifically, institute
Impeller 3 is stated to offer including at least wheel hub 32 and along the matrix 33 of 32 radial direction of wheel hub extension, described matrix 33
One group of balance hole 35 through described matrix 33, the setting of the balance hole 35 is to prevent leaf to reduce impeller two sides differential pressure
The axial force of wheel is excessive to be caused to damage, and is prolonged its service life.One group is additionally provided in described matrix 33 in the leaf being angularly arranged
Piece 34, the height of the blade 34 from wheel hub 32 on the direction of the outer circumference surface of described matrix 33 to be arranged from high to low,
In, the blade 34 includes the first blade 36 and the second blade 37, and the length of first blade 36 is the outer of described matrix 33
Periphery is to the distance of the wheel hub 32, and the length of second blade 37 is less than the length of first blade 36, and be connected institute
State second blade 37 there are two setting between the first blade 36.The advantages of design is the cavitation resistive property for effectively improving pump,
Principle is to shorten the radial dimension of partial blade, in a disguised form increases the area of impeller eye, reduces and flows into impeller eye
Velocity of medium.According to the law of the conservation of energy, in closed system, the summation of pressure energy and the speed energy of fluid is constant.It is situated between
Mass flow speed increases, and pressure energy is smaller.The smaller easier cavitation erosion of pressure energy, so the design of middle period piece length of the invention is compared to general etc.
Length fins design, cavitation resistive property are more preferable.
In the present invention, it is additionally provided with radiating rib plate 61 on the bearing housing 6, existing bearing housing can be effectively solved and dissipate
The bad problem of heat prevents bearing heating from burning out, improves the service life of centrifugal pump.
The beneficial effects are mainly reflected as follows:
1, since unshrouded impeller is without front shroud, sealing before pump is just eliminated, this reduces the axial length of centrifugal wheel, rotation axis system
Total length is reduced by about 3%, so that structure is more compact.
2, since unshrouded impeller disc friction is small, moment of friction is small while compact-sized when starting, rotor axial system
(including pump, axis) quality 0.5kg smaller compared to double shrouded wheel so that rotary inertia is small starts acceleration ratio and uses enclosed
The same thrust magnitude centrifugal pump acceleration of centrifugal pump significantly improves.
3, it can influence to pump this characteristic of performance using centrifugal pump with open impellerpump blade tip clearance size, designed pump configuration can be real
Existing blade tip clearance is adjustable, to realize that pump performance is adjustable, has stronger applicability.
4, impeller is fastened on the rotary shaft by impeller nut, is simplified the position connection structure, is reduced number of parts,
And it is easier to assemble.
5, guide vane is close to setting with the pump housing, optimizes mounting structure, and installation maintenance is convenient, meanwhile, current stabilization can be played to medium
Effect.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. high-performance low-flow high-lift single-stage cantilever centrifugal pump, it is characterised in that: including the pump housing (1) being fixedly connected with each other and pump cover
(2), and setting is being formed by the unshrouded impeller (3) in space (11), the impeller (3) by the pump housing (1) and pump cover (2)
Periphery and the pump housing (1) horizontal plane (21) form blade tip clearance；One rotary shaft (4) extension is placed in the space (11)
It is interior, and extend to be placed on the end of the rotary shaft (4) and be arranged with the impeller (3), the impeller (3) is by an impeller nut
(31) it is fastened on the rotary shaft (4)；It is additionally provided with guide vane (5) in the space (11), the horizontal ends (52) of the guide vane (5)
Between the pump housing (1) and impeller (3), the control to blade tip clearance size is realized；The vertical end (53) of the guide vane (5) towards
The side of the impeller (3) is equipped with runner (51).
2. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 1, it is characterised in that: the impeller
(3) matrix (33) for including at least wheel hub (32) and extending along the wheel hub (32) radial direction, described matrix are opened on (33)
Run through the balance hole (35) of described matrix (33) equipped with one group；One group is additionally provided in described matrix (33) in the leaf being angularly arranged
Piece (34), the height of the blade (34) from wheel hub (32) on the direction of the outer circumference surface of described matrix (33) for from high to low
Setting.
3. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 2, it is characterised in that: the blade
It (34) include the first blade (36) and the second blade (37), the length of first blade (36) is the outer circle of described matrix (33)
Distance of the circumferential surface to the wheel hub (32), length of the length less than first blade (36) of second blade (37), phase
Second blade (37) there are two even being set between first blade (36).
4. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 2, it is characterised in that: the guide vane
(5) cross section is trapezoidal, and lower surface is close to the horizontal plane (21) of the pump housing (1), the vertical plane of the guide vane (5) with it is described
The inner wall (22) of the pump housing (1) is close to.
5. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 4, it is characterised in that: the guide vane
(5) runner (51) is in horn-like, and the cross section of the runner (51) is from the inner peripheral surface of the guide vane (5) to its outer circumference surface
It is gradually increased, runner (51) surface is smooth.
6. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 5, it is characterised in that: the guide vane
(5) horizontal ends (52) be equipped with pass through aperture (54), the pump cover (2) be equipped with a threaded hole (12), one with the screw thread
The clamping screw (55) that hole (12) matches extends through the through hole (54) to be placed in the threaded hole (12).
7. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 6, it is characterised in that: the pump housing
(1) medial ends are provided with sucking flange (13), top is provided with outlet(discharge) flange (14), the sucking flange (13), outlet
Flange (14), process pipe and the impeller form the runner of medium, and the medium inlet of the impeller is towards the inhalation
Blue (13), media outlet are coaxial with the outlet(discharge) flange (14).
8. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 7, it is characterised in that: the pump cover
(2) side backwards to the pump housing (1) is connect with bearing housing (6), and the bearing housing (6) and the pump housing (1) are respectively provided with
There is hollow cavity, the rotary shaft (4) is set on the central axes of the cavity.
9. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 8, it is characterised in that: the bearing
Radiating rib plate (61) are additionally provided on cabinet (6).
10. high-performance low-flow high-lift single-stage cantilever centrifugal pump according to claim 9, it is characterised in that: described to state
It is additionally provided in the hollow cavity of bearing housing (6) water blocking member (62), the water blocking member (62) passes through housing pin (63) locking
It is seamless connection between the water blocking member (62) and the pump cover (2) on the pump cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365554.6A CN109404291A (en) | 2018-11-16 | 2018-11-16 | High-performance low-flow high-lift single-stage cantilever centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365554.6A CN109404291A (en) | 2018-11-16 | 2018-11-16 | High-performance low-flow high-lift single-stage cantilever centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109404291A true CN109404291A (en) | 2019-03-01 |
Family
ID=65473852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365554.6A Pending CN109404291A (en) | 2018-11-16 | 2018-11-16 | High-performance low-flow high-lift single-stage cantilever centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404291A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319053A (en) * | 2019-08-12 | 2019-10-11 | 烟台阳光泵业有限公司 | Unshrouded impeller and the low-flow high-lift centrifugal pump of single stage type for using unshrouded impeller |
| CN114033700A (en) * | 2021-12-06 | 2022-02-11 | 西安航空学院 | Make things convenient for anti cavitation's of shock attenuation protection centrifugal pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4890980A (en) * | 1988-08-08 | 1990-01-02 | Ingersoll-Rand Company | Centrifugal pump |
| CN105736405A (en) * | 2016-04-19 | 2016-07-06 | 湖南天一奥星泵业有限公司 | Small-flow high-lift centrifugal pump |
| CN106438457A (en) * | 2016-10-28 | 2017-02-22 | 福斯流体控制（苏州）有限公司 | Half-opened impeller and low-flow super high-lift multiple-stage centrifugal pump with same |
| CN207621031U (en) * | 2017-12-26 | 2018-07-17 | 福斯流体控制（苏州）有限公司 | A kind of single-stage cantilever centrifugal pump |
| CN209414180U (en) * | 2018-11-16 | 2019-09-20 | 福斯流体控制（苏州）有限公司 | High-performance low-flow high-lift single-stage cantilever centrifugal pump |
-
2018
- 2018-11-16 CN CN201811365554.6A patent/CN109404291A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4890980A (en) * | 1988-08-08 | 1990-01-02 | Ingersoll-Rand Company | Centrifugal pump |
| CN105736405A (en) * | 2016-04-19 | 2016-07-06 | 湖南天一奥星泵业有限公司 | Small-flow high-lift centrifugal pump |
| CN106438457A (en) * | 2016-10-28 | 2017-02-22 | 福斯流体控制（苏州）有限公司 | Half-opened impeller and low-flow super high-lift multiple-stage centrifugal pump with same |
| CN207621031U (en) * | 2017-12-26 | 2018-07-17 | 福斯流体控制（苏州）有限公司 | A kind of single-stage cantilever centrifugal pump |
| CN209414180U (en) * | 2018-11-16 | 2019-09-20 | 福斯流体控制（苏州）有限公司 | High-performance low-flow high-lift single-stage cantilever centrifugal pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110319053A (en) * | 2019-08-12 | 2019-10-11 | 烟台阳光泵业有限公司 | Unshrouded impeller and the low-flow high-lift centrifugal pump of single stage type for using unshrouded impeller |
| CN114033700A (en) * | 2021-12-06 | 2022-02-11 | 西安航空学院 | Make things convenient for anti cavitation's of shock attenuation protection centrifugal pump |
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