CN1704610A - Pump with turbulence inducing tab - Google Patents
Pump with turbulence inducing tab Download PDFInfo
- Publication number
- CN1704610A CN1704610A CNA2005100709150A CN200510070915A CN1704610A CN 1704610 A CN1704610 A CN 1704610A CN A2005100709150 A CNA2005100709150 A CN A2005100709150A CN 200510070915 A CN200510070915 A CN 200510070915A CN 1704610 A CN1704610 A CN 1704610A
- Authority
- CN
- China
- Prior art keywords
- baffle surface
- pump case
- tab
- pump
- live axle
- 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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
- F04D7/045—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous with means for comminuting, mixing stirring or otherwise treating
-
- 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
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A centrifugal pump has a pump case and a rotatable impeller disposed within the pump case. A central aperture is defined within the rearward wall of the pump case to facilitate the connection of an impeller drive shaft to the impeller. A drive shaft seal is disposed within the central aperture to seal the impeller drive shaft to the pump case. A tab is disposed within the pump case such that it protrudes away from the rearward wall of the pump case. The tab is sized, dimensioned and located so as to create sufficient turbulence proximate to the drive shaft seal to suppress the buildup of heat and chemical precipitates around the drive shaft seal.
Description
Invention field
The present invention relates generally to centrifugal pump, particularly a kind of centrifugal pump that in water recuperation (water recreational) facility, uses.
Background technique
Be used for the centrifugal pump that water carries out recirculation being easy to fouling and accumulation chemical substance in its pump case at the water recuperation device of the device (spa) of recuperating such as mineral spring, hot tub (hot tubs), swimming pool and recirculation bathtub.Main problem area appears at and is used for around the seal arrangement of turbine drives axle and pump case sealing.This scale formation is the result because of the precipitation that is dissolved in salt in the water and other chemical substance.
And, be used for seal arrangement with the sealing of turbine drives axle and pump case and be easy to occur the fault that causes because of the heat that accumulates on the seal arrangement.
Therefore, need a kind of centrifugal pump that can avoid the defective that exists in the prior art.
Summary of the invention
The present invention has satisfied above-mentioned needs.Centrifugal pump of the present invention comprises: (a) pump case, and it has antetheca, rear wall and one or more sidewall, and described antetheca is limited with central inlet, and described one or more sidewalls limit tangential outlet, and described rear wall limits the shaft center opening; (b) be arranged on rotatable turbine within the described pump case; (c) live axle, it is configured to pass described shaft center opening and operationally engages with described turbine; (d) live axle seal arrangement, it is arranged on described shaft center around openings so that described live axle and described pump case are sealed; And (e) be arranged on tab (tab) in the described pump case, described tab links to each other with the rear wall of described pump case and is remotely outstanding from it, the size of described tab, dimension and position are configured to produce enough turbulent flows (turbulence) when described pump is used to extract liquid near described live axle seal arrangement, thereby suppress the accumulation of the chemical precipitation around the described live axle seal arrangement.
Brief description of drawings
Above-mentioned and further feature of the present invention, aspect and useful effect with reference to below description, appended claim and corresponding accompanying drawing after the easy to understand more that will become, wherein:
Fig. 1 is the stereogram with centrifugal pump of feature of the present invention;
Fig. 2 is the perspective view of centrifugal pump shown in Figure 1;
Fig. 3 is the side view of centrifugal pump shown in Figure 1;
Fig. 4 is the exploded view of centrifugal pump shown in Figure 1;
Fig. 5 is the sectional view that centrifugal pump 5-5 along the line shown in Figure 1 obtains; And
Fig. 6 is the section details drawing that centrifugal pump 6-6 along the line shown in Figure 4 obtains.
Specific embodiments
Describe one embodiment of the invention and several modification thereof below in detail.Yet these descriptions are not to be interpreted as limiting the invention to these specific embodiments.Those skilled in the art it should further be appreciated that the embodiment that other are a large amount of.
The invention provides a kind of centrifugal pump 10 that has pump case 12 and be arranged at rotatable turbine 14 wherein.In pump case 12, limit a tab (tab) 16 at least to be used in pump case 12, bringing out turbulent flow in the operating process of pump 10.
As showing in the accompanying drawings, pump case 12 typically comprises two-part: front portion 20 and rear portion 22.Anterior 20 have antetheca 24, and rear portion 22 has rear wall 26.Pump case 12 also comprises the basic circular sidewall 28 that is.Rear wall 26 limits drive shaft openings 30, and it is used to allow that live axle 32 enters into the inside of pump case 12 to drive turbine 14 rotations.Pump case 12 is made by metal or plastic materials usually, and this depends on the service that pump 10 is designed to.
The antetheca 24 of pump case 12 limits and is used to make fluid to flow into the suction port 34 of pump case 12 inside.The sidewall 28 of pump case 12 is made and is useful on the floss hole 36 that fluid is flowed out from pump case 12.
By the live axle seal arrangement 40 around the shaft center opening 30 that is arranged at pump case 12 rear walls 26 live axle 32 and pump case 12 are sealed.Live axle seal arrangement 40 comprises the seal ring 42 that is pressed against on the dish 44.Spring 46 promotes seal ring 42 so that it contacts with dish 44 formation sealings.
Preferably, centrifugal pump 10 also comprises the flow guide device 54 that is arranged in the pump case 12.Flow guide device 54 comprises first baffle plate (baffle) surface 56 and coupled second baffle surface 58.First baffle surface 56 be arch and be longer than second baffle surface 58.The junction point on first baffle surface 56 and second baffle surface 58 has been made the angle α greater than 90 °.Distance between first baffle surface 56 and the turbine 14 is less than the sidewall 28 of pump case 12 and the distance between the turbine 14.Utilize such design, the flow of fluid between turbine 14 and the flow guide device 54 is suppressed to a certain extent.So just caused the increase of the flow of floss hole 36 in the pump case 12.
And preferably floss hole 36 is arranged in the identical plane with turbine 14.In embodiment as shown in Figure 5, turbine 14 in fact be set at essentially identical plane 60, the center of floss hole 36 in.By turbine 14 being arranged in the plane identical, can find that pump 10 of the present invention has the efficient that significantly increases than the pump of prior art in operation with floss hole 36.
In embodiment shown in the drawings, being shaped as triangle and having a free angle (free corner) 62 of tab 16.Less relatively and can use in the circulation bathtub time at pump 10, the height of tab 16 from the lowest part at angle 62 to the highest point at free angle 62 is usually about 0.254 centimetre to about 2.54 centimetres, more typically between about 0.508 centimetre to about 2.54 centimetres.In these embodiments, the width of tab 16 distance of the upper limb 66 of tab 16 (just along) is usually between about 0.254 centimetre to about 2.54 centimetres, more typically between about 0.254 centimetre to about 1.27 centimetres.
The invention provides a kind of like this centrifugal pump, its can be successfully and avoid effectively the live axle seal arrangement that in other centrifugal pump, exists around the chemical fouling of precipitation and the heat problem that causes this live axle seal arrangement to break down.
More than invention has been described.Obviously, under the scope of the description of description that does not deviate from specification and claim and fair meaning, can make various modifications and adjustment to the present invention.
Claims (13)
1. centrifugal pump comprises:
(a) pump case, it has antetheca, rear wall and one or more sidewall, and described antetheca limits central inlet, and described one or more sidewalls limit tangential outlet, and described rear wall limits the shaft center opening;
(b) be arranged on rotatable turbine within the described pump case;
(c) live axle, it is configured to pass described shaft center opening and operationally engages with described turbine;
(d) live axle seal arrangement, it is arranged on described shaft center around openings so that described live axle and described pump case are sealed; And
(e) be arranged on the interior tab of described pump case, described tab links to each other with the rear wall of described pump case and is remotely outstanding from it, the size of described tab, dimension and position are configured to produce enough turbulent flows when described pump is used to extract liquid near described live axle seal arrangement, thereby suppress the accumulation of the chemical precipitation around the described live axle seal arrangement.
2. centrifugal pump as claimed in claim 1, wherein, the size of described tab, dimension and position are set up can work as when described pump is used to extract the aqueous solution and produce enough turbulent flows near described live axle seal arrangements, thereby suppress the accumulation of the chemical precipitation around the described live axle seal arrangement.
3. centrifugal pump as claimed in claim 1, wherein, the height of described tab is between about 0.254 centimetre to about 2.54 centimetres.
4. centrifugal pump as claimed in claim 1, wherein, the width of described tab is between about 1.27 centimetres to about 2.54 centimetres.
5. centrifugal pump as claimed in claim 1, wherein, described tab has a sharp-pointed free angle at least.
6. centrifugal pump as claimed in claim 1, wherein, described outlet and described turbine are set in the same plane.
7. centrifugal pump as claimed in claim 1, wherein, the center of described outlet and described turbine are set in the essentially identical plane.
8. centrifugal pump as claimed in claim 1, also comprise the flow guide device that is arranged in the described pump case, described flow guide device comprises first baffle surface and the second baffle surface that engages with described first baffle surface, described first baffle surface is arch and longer than described second baffle surface, the junction point on described first baffle surface and described second baffle surface limits the angle greater than 90 °, described first baffle surface is separated a distance with described turbine, this distance is less than the distance between at least one sidewall of described turbine and institute's pump case, and described second baffle surface is configured to be adjacent to described outlet.
9. centrifugal pump comprises:
(a) pump case, it has antetheca, rear wall and one or more sidewall, and described antetheca limits central inlet, and described one or more sidewalls limit tangential outlet, and described rear wall limits the shaft center opening;
(b) be arranged on rotatable turbine within the described pump case;
(c) live axle, it is configured to pass described shaft center opening, and operationally engages with described turbine;
(d) live axle seal arrangement is set at described shaft center around openings so that described live axle and described pump case are sealed; And
(e) be arranged on the interior tab of described pump case, described tab be engaged to the rear wall of described pump case and from it away from outstanding, the height of described tab is about 0.508 centimetre to being about between 2.54 centimetres, the width of described tab is about 0.254 centimetre to being about between 2.54 centimetres, the size of described tab, dimension and position are set up can work as when described pump is used to extract the aqueous solution and produce enough turbulent flows near described live axle seal arrangements, thereby suppress the accumulation of the chemical precipitation around the described live axle seal arrangement.
10. centrifugal pump as claimed in claim 9, wherein, described tab has a sharp-pointed free angle at least.
11. centrifugal pump as claimed in claim 9, wherein, described outlet and described turbine are set in the same plane.
12. centrifugal pump as claimed in claim 9, wherein, the center of described outlet and described turbine are set in the essentially identical plane.
13. centrifugal pump as claimed in claim 9, also comprise the flow guide device that is arranged in the described pump case, described flow guide device comprises first baffle surface and the second baffle surface that engages with described first baffle surface, described first baffle surface is arch and longer than described second baffle surface, the junction point on described first baffle surface and described second baffle surface limits the angle greater than 90 °, described first baffle surface is separated a distance with described turbine, this distance is less than the distance between at least one sidewall of described turbine and institute's pump case, and described second baffle surface is configured to be adjacent to described outlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/858,672 | 2004-06-01 | ||
| US10/858,672 US20050265865A1 (en) | 2004-06-01 | 2004-06-01 | Pump with turbulence inducing tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1704610A true CN1704610A (en) | 2005-12-07 |
Family
ID=35425467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100709150A Pending CN1704610A (en) | 2004-06-01 | 2005-05-17 | Pump with turbulence inducing tab |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20050265865A1 (en) |
| CN (1) | CN1704610A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075776B (en) * | 2007-05-29 | 2010-05-19 | 沈阳铝镁设计研究院 | Flow-guiding pipe for DC electromagnetic pump |
| CN110130373A (en) * | 2019-05-27 | 2019-08-16 | 陕西理工大学 | A kind of civil engineering drainage of foundation pit device for having anti-quicksand function |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD986289S1 (en) | 2020-11-24 | 2023-05-16 | Aquastar Pool Products, Inc. | Centrifugal pump |
| US11193504B1 (en) | 2020-11-24 | 2021-12-07 | Aquastar Pool Products, Inc. | Centrifugal pump having a housing and a volute casing wherein the volute casing has a tear-drop shaped inner wall defined by a circular body region and a converging apex with the inner wall comprising a blocker below at least one perimeter end of one diffuser blade |
| USD946629S1 (en) | 2020-11-24 | 2022-03-22 | Aquastar Pool Products, Inc. | Centrifugal pump |
| US20230108937A1 (en) * | 2021-10-06 | 2023-04-06 | Luis Eduardo Perez | Pool debris collection container |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2260946A (en) * | 1940-04-20 | 1941-10-28 | Carter Carburetor Corp | Electric fuel pump |
| MX157817A (en) * | 1981-12-08 | 1988-12-15 | Emule Egger & Cie S A | IMPROVEMENTS TO FLUID FREE CIRCULATION ROTARY PUMP |
| FI872967A (en) * | 1987-07-06 | 1989-01-07 | Ahlstroem Oy | PUMP OCH FOERFARANDE FOER SEPARERING AV GAS MED PUMPEN UR MEDIET SOM SKALL PUMPAS. |
| US5180280A (en) * | 1990-05-28 | 1993-01-19 | Toshiharu Honda | Centrifugal pump |
| US5096396A (en) * | 1991-03-05 | 1992-03-17 | V. Q. Corporation | Rotary apparatus having passageways to clean seal chambers |
| US5286162A (en) * | 1993-01-04 | 1994-02-15 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Method of reducing hydraulic instability |
| US5489187A (en) * | 1994-09-06 | 1996-02-06 | Roper Industries, Inc. | Impeller pump with vaned backplate for clearing debris |
| DE19619692A1 (en) * | 1995-05-23 | 1996-11-28 | Unisia Jecs Corp | Volute pump for IC engine of vehicle |
| JP3632789B2 (en) * | 1995-08-28 | 2005-03-23 | 東陶機器株式会社 | Multiblade centrifugal fan design method and multiblade centrifugal fan |
| US6126392A (en) * | 1998-05-05 | 2000-10-03 | Goulds Pumps, Incorporated | Integral pump/orifice plate for improved flow measurement in a centrifugal pump |
| DE10062207B4 (en) * | 2000-12-13 | 2011-07-21 | ITT Manufacturing Enterprises, Inc., Del. | Pump with selectable suction openings |
-
2004
- 2004-06-01 US US10/858,672 patent/US20050265865A1/en not_active Abandoned
-
2005
- 2005-05-17 CN CNA2005100709150A patent/CN1704610A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075776B (en) * | 2007-05-29 | 2010-05-19 | 沈阳铝镁设计研究院 | Flow-guiding pipe for DC electromagnetic pump |
| CN110130373A (en) * | 2019-05-27 | 2019-08-16 | 陕西理工大学 | A kind of civil engineering drainage of foundation pit device for having anti-quicksand function |
Also Published As
| Publication number | Publication date |
|---|---|
| US20050265865A1 (en) | 2005-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |