CN107477023B - Multi-outlet convection pump with flow guiding system - Google Patents
Multi-outlet convection pump with flow guiding system Download PDFInfo
- Publication number
- CN107477023B CN107477023B CN201710562523.9A CN201710562523A CN107477023B CN 107477023 B CN107477023 B CN 107477023B CN 201710562523 A CN201710562523 A CN 201710562523A CN 107477023 B CN107477023 B CN 107477023B
- Authority
- CN
- China
- Prior art keywords
- pump
- diversion
- cover plate
- fluid
- outlet
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004043 dyeing Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 240000002129 Malva sylvestris Species 0.000 description 1
- 235000006770 Malva sylvestris Nutrition 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a multi-outlet convection pump with a flow guiding system, which mainly comprises a flow guiding volute, an impeller, a shell (3), an impeller shaft and other parts. The axial flow pump and the centrifugal pump are combined with the structural characteristics of the axial flow pump and the centrifugal pump, the axial flow pump and the centrifugal pump are skillfully combined into a whole, and the fluid inlet and the fluid outlet are coaxially arranged, so that the structure and the volume are compact; according to the centrifugal movement form of the fluid, a diversion channel is arranged to convert the fluid moving in a horizontal plane in a spiral manner into linear movement in a vertical direction, so that the flow channel is short, and the energy conversion efficiency is high; because the pump body has compact structure and short flow passage, the residual fluid volume of the pump body is small, and the water consumption is saved. The invention has simple structure and convenient manufacture, can effectively improve the energy efficiency of the pump, reduce the volume and the quality of the pump, save energy and reduce emission, and can improve the economic benefit.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to a multi-outlet convection pump with a diversion system.
Background
The textile industry is an important industry of national economy in China, and has made great contribution to the development of national economy, the solution of people dressing, export foreign exchange and the like for a long time, and the dyeing and finishing industry as a connecting bridge has an important position in the industry. The dyeing and finishing industry is the key of deep processing, finish processing and additional value increasing of textiles, and is the processing of textile fibers, raw yarns and embryo cloth into a tie between final products entering the consumer product market, which plays an important role in promoting the co-development of the products.
Pumps in cheeses, loose fibers, zippers, warp beams, fabrics and other types of dyeing machines (hereinafter referred to simply as dyeing machines) are used for providing power for dyeing liquid circulation, and in order to achieve the design requirement of ultra-low bath ratio, the adopted pumps must be matched with specific limitations of the volume of the whole circulation structure of the dyeing machine, the dyeing liquid circulation route and the like, and two technical indexes of flow and lift are combined. Meanwhile, in order to save dye and water resources and reduce waste liquid discharge, the volume of a runner in a circulation system of the dyeing machine needs to be further reduced. In order to improve the flow efficiency, it is necessary to reduce the head loss of the flow channel. Therefore, there is a need to develop a novel compact pump with high efficiency and small volume to meet the dye liquor circulation and space requirements of ultra-low bath ratio dyeing machines.
Disclosure of Invention
In order to meet the dye liquor circulation requirement and the space requirement of the ultra-low bath ratio dyeing machine, a multi-outlet convection pump with a flow guide system is provided, the two are skillfully combined into a whole by combining the structural characteristics of an axial flow pump and a centrifugal pump, a flow channel is compressed, the convection of a fluid inlet and a fluid outlet is formed, and the requirements of compact volume and high efficiency are realized.
The invention provides a multi-outlet convection pump which is realized at least by one of the following technical schemes.
The utility model provides a take convection pump of many outlets of water conservancy diversion system, mainly includes water conservancy diversion spiral case, impeller, shell and impeller shaft, the water conservancy diversion spiral case includes side direction water conservancy diversion piece, vertical water conservancy diversion piece, upper cover plate, lower cover plate, inner circle; the lateral guide vane is in a curve surface shape, and the trend from one end of the curve surface to the other end of the curve surface is a spiral line; the lateral guide vanes are circumferentially staggered around the axis of the inner ring at equal intervals, and the distances from the opposite points on the different lateral guide vanes to the axis of the inner ring are equal; all the lateral guide vanes are fixed on the lower cover plate; a vertical guide vane is arranged between two adjacent lateral guide vanes, the lower end of the vertical guide vane is tangential to the lower cover plate, and the tangential direction of the upper end is the same as the axial direction of the inner ring; the number of the vertical guide vanes is the same as that of the lateral guide vanes; the upper cover plate covers the upper edge of the lateral guide vane, so that upper ends of the guide vane, the vertical guide vane and the upper cover plate form upper end outlets, the normal direction of the outlet plane is the same as the axis direction of the inner ring, and the number of the upper end outlets is the same as the number of the lateral guide vane; the lower ends of the two adjacent lateral guide vanes, the upper cover plate, the lower cover plate and the vertical guide vane form an inner side inlet, and the normal direction of the plane of the inner side inlet is tangential with the spiral line of the lateral guide vane.
The impeller is sleeved in the diversion volute and is coaxially installed; the impeller shaft penetrates through the lower cover plate to be connected with the impeller; the outer shell is sleeved on the outer side of the diversion volute and is hermetically installed with the lower cover plate; the upper opening of the shell is coaxial with the inner ring of the diversion volute; the inner ring of the diversion volute is used as a fluid inlet of the convection pump; the upper end outlet of the diversion volute is opposite to the gap between the upper opening of the shell and the inner ring of the diversion volute, and the gap is used as the fluid outlet of the convection pump; the fluid inlet and the fluid outlet of the convection pump are coaxial, but opposite in direction, and the areas of the fluid inlet and the fluid outlet are equal or equivalent.
The low-speed fluid enters from a fluid inlet of the convection pump, enters the impeller after passing through the inner ring, obtains power under the driving of the impeller, flows out from the side direction of the impeller at a high speed, and the flowing direction of the low-speed fluid is tangential to the spiral line; the high-speed fluid enters the diversion volute from the inner side inlet of the volute, flows out from the upper end outlet at high speed after being diverted by the flow channel, the flow direction of the fluid is changed from a plane spiral shape to a vertical flow, and the vertically-flowing high-speed fluid flows out from the fluid outlet of the convection pump.
Further, among the two ends of the lateral flow deflector, one end is closer to the center of the circumference than the other end, the closer end is the inner end, the other end is the outer end, two adjacent lateral flow deflectors are connected by the two sides of the vertical flow deflector, the lower end of the vertical flow deflector is flush with the lowest point of the inner end of one lateral flow deflector, and the upper end of the vertical flow deflector is flush with the highest point of the outer end of the other lateral flow deflector.
Further, the upper cover plate covers the upper edge of the lateral guide vane and just does not cover the projection area of the vertical guide vane on the same plane with the upper cover plate.
Further, the area and the number of the openings of the upper outlet of the diversion volute are mainly determined according to the flow of the convection pump; the number of outlets at the upper end of the diversion volute is usually 1-12; the centrifugal blades of the impeller are usually 2 to 12.
Compared with the prior art, the invention has the following advantages:
the axial flow pump and the centrifugal pump are combined with the structural characteristics of the axial flow pump and the centrifugal pump, the axial flow pump and the centrifugal pump are skillfully combined into a whole, and the fluid inlet and the fluid outlet are coaxially arranged, so that the structure and the volume are compact; according to the centrifugal movement form of the fluid, a diversion channel is arranged to convert the fluid moving in a horizontal plane in a spiral manner into linear movement in a vertical direction, so that the flow channel is short, and the energy conversion efficiency is high; because the pump body has compact structure and short flow passage, the residual fluid volume of the pump body is small, and the water consumption is saved. The invention has simple structure and convenient manufacture, can effectively improve the energy efficiency of the pump, reduce the volume and the quality of the pump, save energy and reduce emission, and can improve the economic benefit.
Drawings
Fig. 1 is a schematic general structure of a multi-outlet convection pump with a diversion system in an example.
Fig. 2 is a schematic view of the structure of fig. 1 with the housing removed.
Fig. 3 is a schematic fluid flow diagram of the structure shown in fig. 2.
Fig. 4 is a schematic view of the direction of fluid flow between the baffles of fig. 3.
Fig. 5 is a schematic illustration of the fluid inlet and fluid outlet of an impeller in an example.
Fig. 6 is a general elevation view of a multi-outlet convection pump with a diversion system in an example.
Fig. 7 is a cross-sectional view A-A of fig. 6.
In the figure: 1-a diversion volute; 2-an impeller; 3-a housing; 4-impeller shaft; 11-lateral deflectors; 12-vertical guide vanes; 13-an upper cover plate; 14-a lower cover plate; 15-an inner ring; 16-inboard inlet; 17-upper outlet.
Detailed Description
Specific implementations of the invention will be further described with reference to examples and drawings, but the implementation of the invention is not limited thereto.
As shown in fig. 1 to 7, a multi-outlet convection pump with a diversion system mainly comprises a diversion volute 1, an impeller 2, a shell 3, an impeller shaft 4 and other components;
the diversion volute 1 comprises a lateral diversion sheet 11, a vertical diversion sheet 12, an upper cover plate 13, a lower cover plate 14, an inner ring 15 and the like. The curved surface shape of the lateral flow deflector 11 belongs to a spiral line; a plurality of lateral baffles 11 are arrayed circumferentially equidistant about the axis of the inner ring 15; all lateral deflectors 11 are fixed on the lower cover plate 14; a vertical guide vane 12 is arranged between two adjacent lateral guide vanes 11, the lower end of the vertical guide vane is tangential with the lower cover plate 15, and the tangential direction of the upper end is the same with the axial direction of the inner ring 15; the number of vertical guide vanes 12 is the same as the number of lateral guide vanes 11. The upper cover plate 13 covers the upper edge of the lateral flow deflector 11, so that the flow deflector 11, the vertical flow deflector 12 and the upper cover plate 13 form upper end outlets 17, the normal direction of the outlet plane is the same as the axial direction of the inner ring 15, and the number of the upper end outlets 17 is the same as the number of the lateral flow deflector 11. Adjacent two lateral baffles 11, upper cover plate 13 and lower cover plate 14 form an inner inlet 16, the normal direction of the inlet plane being tangential to the spiral of the lateral baffles.
As shown in fig. 3, one of the two ends of the lateral flow guiding sheet 11 is closer to the center of the circumference than the other end, the closer end is the inner end, the other end is the outer end, two adjacent lateral flow guiding sheets 11 are connected by two sides of the vertical flow guiding sheet 12, the lower end of the vertical flow guiding sheet 12 is flush with the lowest point of the inner end of one lateral flow guiding sheet 11, and the upper end of the vertical flow guiding sheet 12 is flush with the highest point of the outer end of the other lateral flow guiding sheet 11.
As shown in fig. 5, the impeller 2 is sleeved in the diversion volute 1 and is coaxially installed. As shown in fig. 6, the impeller shaft 4 passes through the lower cover plate 14 to be connected with the impeller 2; the shell 3 is sleeved outside the diversion volute and is hermetically installed on the lower cover plate 14. The upper opening of the housing 3 is coaxial with the inner ring 15 of the diversion volute; the inner ring 15 of the diversion volute is used as a fluid inlet of the convection pump; the upper end outlet 17 of the flow guiding volute is opposite to the gap between the upper opening of the housing 3 and the inner ring 15 of the flow guiding volute, and the gap is used as a fluid outlet of the convection pump; the fluid inlet and the fluid outlet of the convection pump are coaxial, but are opposite in direction and have substantially equal areas.
The low-speed fluid enters from the fluid inlet of the convection pump, enters the impeller 2 after passing through the inner ring 15, obtains power under the drive of the impeller, flows out from the side direction of the impeller at a high speed, and the flowing direction is tangential to the spiral line; the high-speed fluid enters the diversion volute from the inner side inlet 16 of the volute, flows out from the upper end outlet 17 after flowing backwards through the flow passage, the flowing direction of the fluid is changed from a plane spiral shape to a vertical flowing out, and the vertically flowing-out high-speed fluid flows out from the fluid outlet of the convection pump.
Further, the opening area and the number of the openings of the upper outlet 17 of the diversion volute are mainly determined according to the flow of the convection pump; the number of the upper end outlets 17 of the diversion volute is usually 1-12; the centrifugal blades of the impeller 2 are usually 2 to 12.
Variations and modifications to the above would be obvious to persons skilled in the art to which the invention pertains from the foregoing description and teachings. Therefore, the invention is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the invention should be also included in the scope of the claims of the invention.
Claims (5)
1. The utility model provides a take convection pump of many outlets of water conservancy diversion system, mainly includes water conservancy diversion spiral case (1), impeller (2), shell (3) and impeller shaft (4), its characterized in that:
the diversion volute (1) comprises a lateral diversion sheet (11), a vertical diversion sheet (12), an upper cover plate (13), a lower cover plate (14) and an inner ring (15); the lateral guide vane (11) is in a curve surface shape, and the trend from one end of the curve surface to the other end of the curve surface is a spiral line; the lateral guide vanes (11) are circumferentially staggered around the axis of the inner ring (15), and the distances from the opposite points on the different lateral guide vanes (11) to the axis of the inner ring (15) are equal; all lateral guide vanes (11) are fixed on the lower cover plate (14); a vertical guide vane (12) is arranged between two adjacent lateral guide vanes (11), the lower end of the vertical guide vane is tangential to the lower cover plate (14), and the tangential direction of the upper end of the vertical guide vane is the same as the axial direction of the inner ring (15); the number of the vertical guide vanes (12) is the same as that of the lateral guide vanes (11); the upper cover plate (13) covers the upper edge of the lateral guide vane (11), so that upper ends of the guide vane (11), the vertical guide vane (12) and the upper cover plate (13) form upper end outlets (17), the normal direction of an upper end outlet plane is the same as the axial direction of the inner ring (15), and the number of the upper end outlets (17) is the same as the number of the lateral guide vane (11); the lower ends of two adjacent lateral guide vanes (11), an upper cover plate (13), a lower cover plate (14) and a vertical guide vane (12) form an inner side inlet (16), and the normal direction of the plane of the inner side inlet is tangential with the spiral line of the lateral guide vane;
the impeller (2) is sleeved in the diversion volute (1) and is coaxially installed; the impeller shaft (4) passes through the lower cover plate (14) to be connected with the impeller (2); the shell (3) is sleeved on the outer side of the diversion volute and is hermetically installed with the lower cover plate (14); the upper opening of the shell (3) is coaxial with the inner ring (15) of the diversion volute; an inner ring (15) of the diversion volute is used as a fluid inlet of the convection pump; the upper end outlet (17) of the diversion volute is opposite to a gap between the upper opening of the shell (3) and the inner ring (15) of the diversion volute, and the gap is used as a fluid outlet of the convection pump; the fluid inlet and the fluid outlet of the convection pump are coaxial, but opposite in direction, and the areas of the fluid inlet and the fluid outlet are equal or equivalent.
2. A multi-outlet convection pump with a diversion system as set forth in claim 1 wherein: the low-speed fluid enters from the fluid inlet of the convection pump, enters the impeller (2) after passing through the inner ring (15), obtains power under the drive of the impeller, flows out from the side direction of the impeller at a high speed, and the flowing direction is tangential to the spiral line; the high-speed fluid enters the diversion volute from the inner side inlet (16) of the volute, flows out at a high speed from the upper end outlet (17) after being diverted by the flow passage, the flow direction of the fluid is changed from a plane spiral shape to a vertical flow out, and the vertically-flowing high-speed fluid flows out from the fluid outlet of the convection pump.
3. A multi-outlet convection pump with a diversion system as set forth in claim 1 wherein: among the two ends of the lateral flow deflector (11), one end is closer to the center of the circumference than the other end, the closer end is the inner end, the other end is the outer end, two adjacent lateral flow deflectors (11) are connected by the two sides of the vertical flow deflector (12), the lower end of the vertical flow deflector (12) is flush with the lowest point of the inner end of one lateral flow deflector (11), and the upper end of the vertical flow deflector (12) is flush with the highest point of the outer end of the other lateral flow deflector (11).
4. A multi-outlet convection pump with a diversion system as set forth in claim 1 wherein: the upper cover plate (13) covers the upper edge of the lateral guide vane (11) and just does not cover the projection area of the vertical guide vane (12) on the same plane with the upper cover plate (13).
5. A multi-outlet convection pump with a diversion system as set forth in claim 1 wherein: the opening area and the number of the upper end outlets (17) of the diversion volute are determined according to the flow of the convection pump; the number of the outlets (17) at the upper end of the diversion volute is 1-12; the centrifugal blades of the impeller (2) are 2-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562523.9A CN107477023B (en) | 2017-07-11 | 2017-07-11 | Multi-outlet convection pump with flow guiding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562523.9A CN107477023B (en) | 2017-07-11 | 2017-07-11 | Multi-outlet convection pump with flow guiding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477023A CN107477023A (en) | 2017-12-15 |
| CN107477023B true CN107477023B (en) | 2023-09-29 |
Family
ID=60595096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710562523.9A Active CN107477023B (en) | 2017-07-11 | 2017-07-11 | Multi-outlet convection pump with flow guiding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477023B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111249551B (en) * | 2020-01-21 | 2020-11-24 | 深圳汉诺医疗创新技术有限公司 | Worm type pump head for artificial heart, artificial heart pump and ECMO equipment |
| CN112576521B (en) * | 2020-12-09 | 2023-01-13 | 黄工机械集团有限公司 | Combined type sweeping cabin impeller for improving sweeping cabin capacity of centrifugal deep well pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672807A (en) * | 1983-08-03 | 1987-06-16 | Innerspace Corporation | Wall thruster and method of operation |
| US5146865A (en) * | 1990-07-04 | 1992-09-15 | Schottel-Werft Joseph Becker Gmbh & Co. Kg | Water-jet propulsion system for ships which are intended to be used in shallow waters |
| CN1093666A (en) * | 1993-02-20 | 1994-10-19 | 约瑟夫·比克有限公司施奥泰尔船厂 | Drivor of spraying of water |
| CN103470530A (en) * | 2013-09-06 | 2013-12-25 | 广州市高晟染整设备有限公司 | Three-stage convection type impeller of convection type water pump and working method thereof |
| CN207513929U (en) * | 2017-07-11 | 2018-06-19 | 广州番禺高勋染整设备制造有限公司 | A kind of multiple exit convection pump with flow guide system |
-
2017
- 2017-07-11 CN CN201710562523.9A patent/CN107477023B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4672807A (en) * | 1983-08-03 | 1987-06-16 | Innerspace Corporation | Wall thruster and method of operation |
| US5146865A (en) * | 1990-07-04 | 1992-09-15 | Schottel-Werft Joseph Becker Gmbh & Co. Kg | Water-jet propulsion system for ships which are intended to be used in shallow waters |
| CN1093666A (en) * | 1993-02-20 | 1994-10-19 | 约瑟夫·比克有限公司施奥泰尔船厂 | Drivor of spraying of water |
| CN103470530A (en) * | 2013-09-06 | 2013-12-25 | 广州市高晟染整设备有限公司 | Three-stage convection type impeller of convection type water pump and working method thereof |
| CN207513929U (en) * | 2017-07-11 | 2018-06-19 | 广州番禺高勋染整设备制造有限公司 | A kind of multiple exit convection pump with flow guide system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107477023A (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107477023B (en) | Multi-outlet convection pump with flow guiding system | |
| CN101915196B (en) | Double-runner ultra-low specific speed axial flow hydraulic turbine for driving cooling tower fan | |
| CN110367850A (en) | A kind of fruit-vegetable cleaner | |
| CN103244456A (en) | Centrifugal pump impeller | |
| CN207513929U (en) | A kind of multiple exit convection pump with flow guide system | |
| CN101363452A (en) | Conformality passage type diffuser and three-dimensional design method thereof | |
| CN105275880A (en) | Flow mixing type nuclear main pump | |
| CN205618438U (en) | Centrifugal pump of baffle with oblique stator structure | |
| CN107061348A (en) | A kind of extremely low specific speed centrifugal pump impeller | |
| CN208702598U (en) | A kind of hydraulic turbine runner with reducing front and back guide blade based on hydraulic turbine mode | |
| CN104818591B (en) | 1:2 extremely low bath ratio yarn dyeing machine | |
| CN103352345B (en) | Yarn dyeing machine main pump structure with extremely low bath ratio | |
| CN106567859B (en) | One seed nucleus main pump spherical shape pumping chamber | |
| CN102797126A (en) | Reversing structure for high-temperature cheese dyeing machine | |
| CN204728080U (en) | The dye liquor circulatory system of the extremely low bath raio yarn dyeing machine of a kind of 1:2 | |
| CN204875198U (en) | High -efficient type beam dyeing machine | |
| CN203559258U (en) | Main pump structure used for yarn dyeing machine and having extremely low bath ratio | |
| CN211039075U (en) | Low-temperature immersed pump with guide vane ring inside | |
| CN205420834U (en) | Washing machine with function sprays | |
| CN211256315U (en) | Rotary dyeing machine | |
| CN103510322B (en) | Dye solution exchanging structure with fluid pre-pressurized function | |
| CN208057428U (en) | Easy-to-dismount centrifugal pump | |
| CN208966974U (en) | A kind of face of fluid torque converter structure | |
| CN208702596U (en) | A kind of hydraulic turbine runner with flow channel type guide blade based on hydraulic turbine mode | |
| CN104846578A (en) | Mixed-flow pump of yarn dyeing machine having very low bath ratio of 1:2 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 511400 120 East Ring Road, east ring street, Panyu District, Guangzhou, Guangdong. Applicant after: Gaoxun Green Intelligent Equipment (Guangzhou) Co.,Ltd. Address before: 511400 120 East Ring Road, east ring street, Panyu District, Guangzhou, Guangdong. Applicant before: GUANGZHOU FANYU GAOXUN DYEING & TREATMENT EQUIPMENT MANUFACTURE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231017 Address after: No. 15, Changgang Road, Genghe Town, Gaoming District, Foshan City, Guangdong Province (address declaration) Patentee after: Gaoxun Green Intelligent Equipment (Foshan) Co.,Ltd. Address before: 511400 120 East Ring Road, east ring street, Panyu District, Guangzhou, Guangdong. Patentee before: Gaoxun Green Intelligent Equipment (Guangzhou) Co.,Ltd. |
|
| TR01 | Transfer of patent right |