CN116221131B - 一种提高水泵抗空化效果的调节装置及控制方法 - Google Patents
一种提高水泵抗空化效果的调节装置及控制方法 Download PDFInfo
- Publication number
- CN116221131B CN116221131B CN202310375195.7A CN202310375195A CN116221131B CN 116221131 B CN116221131 B CN 116221131B CN 202310375195 A CN202310375195 A CN 202310375195A CN 116221131 B CN116221131 B CN 116221131B
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- Prior art keywords
- pressure
- water pump
- cavity
- cavitation
- regulating valve
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 102
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 181
- 230000000694 effects Effects 0.000 claims abstract description 41
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 238000012806 monitoring device Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 32
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000005086 pumping Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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
- 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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or 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
- F04D29/40—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D9/00—Priming; Preventing vapour lock
- F04D9/04—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock
- F04D9/06—Priming; Preventing vapour lock using priming pumps; using booster pumps to prevent vapour-lock of jet type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims (5)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310375195.7A CN116221131B (zh) | 2023-04-10 | 2023-04-10 | 一种提高水泵抗空化效果的调节装置及控制方法 |
US18/432,510 US20240337274A1 (en) | 2023-04-10 | 2024-02-05 | Adjusting apparatus for improving anti-cavitation effect of water pump and control method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310375195.7A CN116221131B (zh) | 2023-04-10 | 2023-04-10 | 一种提高水泵抗空化效果的调节装置及控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116221131A CN116221131A (zh) | 2023-06-06 |
CN116221131B true CN116221131B (zh) | 2024-03-05 |
Family
ID=86591357
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310375195.7A Active CN116221131B (zh) | 2023-04-10 | 2023-04-10 | 一种提高水泵抗空化效果的调节装置及控制方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20240337274A1 (zh) |
CN (1) | CN116221131B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117703778B (zh) * | 2023-12-15 | 2024-08-30 | 江苏大学 | 一种具有提高水机电耦合性的变频水泵 |
Citations (6)
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CN110566470A (zh) * | 2019-09-19 | 2019-12-13 | 江苏大学 | 一种高效低噪汽车电子水泵 |
CN112682358A (zh) * | 2020-12-09 | 2021-04-20 | 江苏大学镇江流体工程装备技术研究院 | 一种安全稳定型耐高温热水循环泵系统 |
CN113007100A (zh) * | 2021-03-25 | 2021-06-22 | 君禾泵业股份有限公司 | 一种可调节射流式自吸离心泵 |
CN114109914A (zh) * | 2021-12-13 | 2022-03-01 | 浙江理工大学 | 可调式自循环口环引流增压及具有减振降噪结构的离心泵 |
CN115247657A (zh) * | 2021-12-27 | 2022-10-28 | 兰州理工大学 | 一种自循环射流抗空化结构及具有抗空化结构的离心泵 |
CN115573919A (zh) * | 2022-10-08 | 2023-01-06 | 利欧集团浙江泵业有限公司 | 一种兼顾汽蚀与水力性能的立式自吸泵结构 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4248566A (en) * | 1978-10-06 | 1981-02-03 | General Motors Corporation | Dual function compressor bleed |
US4287758A (en) * | 1979-07-19 | 1981-09-08 | Rotoflow Corporation, Inc. | Shaft mounting device and method |
US4472107A (en) * | 1982-08-03 | 1984-09-18 | Union Carbide Corporation | Rotary fluid handling machine having reduced fluid leakage |
US4884942A (en) * | 1986-06-30 | 1989-12-05 | Atlas Copco Aktiebolag | Thrust monitoring and balancing apparatus |
US6036434A (en) * | 1995-10-06 | 2000-03-14 | Roper Holdings, Inc. | Aeration system |
JP5314256B2 (ja) * | 2007-06-06 | 2013-10-16 | 三菱重工業株式会社 | 回転流体機械のシール装置および回転流体機械 |
US7775763B1 (en) * | 2007-06-21 | 2010-08-17 | Florida Turbine Technologies, Inc. | Centrifugal pump with rotor thrust balancing seal |
WO2013051290A1 (ja) * | 2011-10-06 | 2013-04-11 | パナソニック株式会社 | ポンプ装置およびポンプシステム |
US8925197B2 (en) * | 2012-05-29 | 2015-01-06 | Praxair Technology, Inc. | Compressor thrust bearing surge protection |
US11268523B2 (en) * | 2017-10-10 | 2022-03-08 | Daikin Industries, Ltd. | Centrifugal compressor with recirculation structure |
-
2023
- 2023-04-10 CN CN202310375195.7A patent/CN116221131B/zh active Active
-
2024
- 2024-02-05 US US18/432,510 patent/US20240337274A1/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110566470A (zh) * | 2019-09-19 | 2019-12-13 | 江苏大学 | 一种高效低噪汽车电子水泵 |
CN112682358A (zh) * | 2020-12-09 | 2021-04-20 | 江苏大学镇江流体工程装备技术研究院 | 一种安全稳定型耐高温热水循环泵系统 |
CN113007100A (zh) * | 2021-03-25 | 2021-06-22 | 君禾泵业股份有限公司 | 一种可调节射流式自吸离心泵 |
CN114109914A (zh) * | 2021-12-13 | 2022-03-01 | 浙江理工大学 | 可调式自循环口环引流增压及具有减振降噪结构的离心泵 |
CN115247657A (zh) * | 2021-12-27 | 2022-10-28 | 兰州理工大学 | 一种自循环射流抗空化结构及具有抗空化结构的离心泵 |
CN115573919A (zh) * | 2022-10-08 | 2023-01-06 | 利欧集团浙江泵业有限公司 | 一种兼顾汽蚀与水力性能的立式自吸泵结构 |
Also Published As
Publication number | Publication date |
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US20240337274A1 (en) | 2024-10-10 |
CN116221131A (zh) | 2023-06-06 |
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Application publication date: 20230606 Assignee: Taizhou Hairui Plastic Lighting Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980006579 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240531 Application publication date: 20230606 Assignee: Zhejiang Crystal Heart Food Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980006570 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240531 |
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Application publication date: 20230606 Assignee: ZHEJIAG TAIZHOU MEIDUO MOULD Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007138 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240613 Application publication date: 20230606 Assignee: Taizhou Huangyan Turing plastic mould Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980006961 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240611 Application publication date: 20230606 Assignee: Taizhou Huangyan Kaida Frame Parts Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980006940 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240611 Application publication date: 20230606 Assignee: ZHEJIANG XINNENG DYNAMO-ELECTRIC TECHNOLOGY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980006938 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240611 |
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Application publication date: 20230606 Assignee: Taizhou hengbei Baby Products Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007297 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240614 Application publication date: 20230606 Assignee: ZHEJIANG AB TECHNOLOGY CO.,LTD. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007247 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240614 Application publication date: 20230606 Assignee: TAIZHOU HUANGYAN YUANDA MACHINERY MANUFACTURE CO.,LTD. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007239 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240614 |
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Application publication date: 20230606 Assignee: Taizhou Shangfeng Cement Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007534 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240619 Application publication date: 20230606 Assignee: Taizhou Huangyan Xinxing Machinery Parts Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007527 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240619 Application publication date: 20230606 Assignee: JINGCHENG TIMES (ZHEJIANG) MOLD MACHINERY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007490 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240618 Application publication date: 20230606 Assignee: Taizhou Huangyan Jiaoxiang Plastic Mould Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007428 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240618 Application publication date: 20230606 Assignee: SAILING TECHNOLOGY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007424 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240618 Application publication date: 20230606 Assignee: ZHEJIANG RUYI INDUSTRY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007422 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240618 Application publication date: 20230606 Assignee: ZHEJIANG KAIHUA MOULDS Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007421 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240618 |
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Application publication date: 20230606 Assignee: Taizhou Huangyan Maorong plastic mould Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007745 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: ZHEJIANG SHUANGTAI PLASTIC CO.,LTD. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007738 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: TAIZHOU HUANGYAN HAIPU INDUSTRY AND TRADE Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007732 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Taizhou Xiqi Plastic Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007725 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Zhejiang Baohui Baby Products Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007722 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: ZHEJIANG HUANGGUAN FRUIT VEGETABLE Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007719 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Zhejiang Guangyi Food Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007718 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Taizhou Huangyan Yijia Packaging Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007715 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Zhejiang Union Food Industry Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007714 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: ZHEJIANG SHENGFU PRECISION TECHNOLOGY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007713 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240621 Application publication date: 20230606 Assignee: Taizhou Huangyan Huanhe Electroplating Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007629 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240620 Application publication date: 20230606 Assignee: TAIZHOU YUANBEN POWER TECHNOLOGY Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007624 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240620 Application publication date: 20230606 Assignee: Zhejiang Huangyan Huaxing Plastic Products Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007623 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240620 Application publication date: 20230606 Assignee: Taizhou Yinshan Manufacturing Brushes Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007618 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240620 Application publication date: 20230606 Assignee: Zhejiang Del Yao Food Technology Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024980007617 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240620 |
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Application publication date: 20230606 Assignee: Taizhou Chenda Sanitary Appliance Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024330000653 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240926 Application publication date: 20230606 Assignee: Zhejiang Spray King Machinery Co.,Ltd. Assignor: TAIZHOU VOCATIONAL College OF SCIENCE & TECHNOLOGY Contract record no.: X2024330000652 Denomination of invention: A regulating device and control method for improving the anti cavitation effect of water pumps Granted publication date: 20240305 License type: Common License Record date: 20240926 |