CN104168991A - 轴流式叶轮的叶片和轴流式叶轮 - Google Patents
轴流式叶轮的叶片和轴流式叶轮 Download PDFInfo
- Publication number
- CN104168991A CN104168991A CN201380010088.9A CN201380010088A CN104168991A CN 104168991 A CN104168991 A CN 104168991A CN 201380010088 A CN201380010088 A CN 201380010088A CN 104168991 A CN104168991 A CN 104168991A
- Authority
- CN
- China
- Prior art keywords
- blade
- angle
- edge
- impeller
- cut portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F04D29/181—Axial flow rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/113—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller
- B01F27/1134—Propeller-shaped stirrers for producing an axial flow, e.g. shaped like a ship or aircraft propeller the impeller being of hydrofoil type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0409—Relationships between different variables defining features or parameters of the apparatus or process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0422—Numerical values of angles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2215/00—Auxiliary or complementary information in relation with mixing
- B01F2215/04—Technical information in relation with mixing
- B01F2215/0413—Numerical information
- B01F2215/0418—Geometrical information
- B01F2215/0431—Numerical size values, e.g. diameter of a hole or conduit, area, volume, length, width, or ratios thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/70—Shape
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
| 罐高度,H | m | 8 |
| 罐直径,T | m | 8 |
| 叶轮直径,D | m | 3.2 |
| 叶轮宽度,Wb | m | 1 |
| 叶轮数量 | 3 | |
| 桨距角α2+α3(图5) | ° | 27-33 |
| 叶轮速度,N | rpm | 30 |
| 叶轮底部间隙 | m | 3.2 |
| 轴直径 | m | 0.6 |
| 罐容积 | m3 | 402.1 |
| 挡板数量 | 6 | |
| 挡板宽度 | m | 1.0 |
| 挡板高度 | m | 7.75 |
| 挡板位置 | m×m | 0.25×0.464 |
| 情况 | Wb/T | D/T | α | P | Np | Nq | ηe | λp | mp |
| ° | kW | kg/s(kW) | |||||||
| 瘦叶片 | 0.125 | 0.4 | 30 | 13.89 | 0.332 | 0.616 | 1.856 | 0.889 | 725.0 |
| 胖叶片 | 0.0625 | 0.4 | 30 | 11.33 | 0.271 | 0.557 | 2.059 | 0.861 | 804.2 |
| 情况 | Wb/T | D/T | α | μt<10(kg/ms) | 10>=μt<20 | 20>=μt<30 | μt>=30 |
| 瘦叶片 | 0.0625 | 0.4 | 30 | 0.632 | 0.249 | 0.090 | 0.029 |
| 胖叶片 | 0.125 | 0.4 | 30 | 0.567 | 0.276 | 0.107 | 0.051 |
Claims (6)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20125193A FI123826B (en) | 2012-02-20 | 2012-02-20 | Axial flow propeller blade and axial flow propeller |
| FI20125193 | 2012-02-20 | ||
| PCT/FI2013/050185 WO2013124539A1 (en) | 2012-02-20 | 2013-02-18 | Blade of axial flow impeller and axial flow impeller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104168991A true CN104168991A (zh) | 2014-11-26 |
| CN104168991B CN104168991B (zh) | 2016-02-24 |
Family
ID=49005064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380010088.9A Active CN104168991B (zh) | 2012-02-20 | 2013-02-18 | 轴流式叶轮的叶片和轴流式叶轮 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US9334874B2 (zh) |
| EP (1) | EP2817089B1 (zh) |
| CN (1) | CN104168991B (zh) |
| AU (1) | AU2013223943B2 (zh) |
| BR (1) | BR112014020388B8 (zh) |
| CA (1) | CA2863471C (zh) |
| CL (1) | CL2014002205A1 (zh) |
| EA (1) | EA025699B1 (zh) |
| ES (1) | ES2628964T3 (zh) |
| FI (1) | FI123826B (zh) |
| PE (1) | PE20141785A1 (zh) |
| WO (1) | WO2013124539A1 (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105950811A (zh) * | 2016-06-08 | 2016-09-21 | 武汉钢铁股份有限公司 | 铁水机械搅拌高效混合脱硫用搅拌器 |
| CN107073420A (zh) * | 2014-11-06 | 2017-08-18 | 奥图泰(芬兰)公司 | 水翼推进器 |
| CN110869112A (zh) * | 2017-07-17 | 2020-03-06 | 联邦科学与工业研究组织 | 混合设备和操作方法 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI121621B (fi) * | 2009-03-11 | 2011-02-15 | Outotec Oyj | Sekoitin lietteen sekoittamiseksi metallurgisissa prosesseissa |
| FI123826B (en) * | 2012-02-20 | 2013-11-15 | Outotec Oyj | Axial flow propeller blade and axial flow propeller |
| US9731256B2 (en) * | 2013-08-12 | 2017-08-15 | Jay G. Dinnison | Mixing impeller with leading edges minimizing accumulations on blades |
| DE102013018690A1 (de) * | 2013-11-08 | 2015-05-13 | Uts Biogastechnik Gmbh | Rühreinrichtung für einen Fermenter einer Biogasanlage und Verfahren zur Herstellung einer Rühreinrichtung |
| ES2860465T3 (es) * | 2014-04-04 | 2021-10-05 | Milton Roy Europe | Móvil de agitación |
| FI126361B (en) | 2014-06-30 | 2016-10-31 | Outotec Finland Oy | Reactor for mixing liquids, gases and solids |
| CN105126693B (zh) * | 2015-07-09 | 2017-09-05 | 李兴国 | 倒长角弧形漩流防腐桨叶及倒长角弧形漩流防腐搅拌桨 |
| FR3040644B1 (fr) * | 2015-09-04 | 2021-02-12 | Commissariat Energie Atomique | Dispositif de brassage mecanique d'un metal en fusion pour un procede de solidification dirigee |
| WO2019211426A1 (de) * | 2018-05-04 | 2019-11-07 | Basf Se | Verfahren zur herstellung von carbodiimiden |
| USD929799S1 (en) * | 2018-05-04 | 2021-09-07 | Buss Ag | Screw shaft element |
| US12390773B2 (en) * | 2019-08-15 | 2025-08-19 | Nov Process & Flow Technologies Us, Inc. | Gas dispersion system |
| US20240110258A1 (en) * | 2019-10-15 | 2024-04-04 | Metso Outotec Finland Oy | Autoclave and pressure oxidation method |
| USD927931S1 (en) * | 2020-04-06 | 2021-08-17 | Prc-Desoto International, Inc. | Mixing impeller |
| US11925298B2 (en) | 2020-12-31 | 2024-03-12 | Sharkninja Operating Llc | Micro puree machine |
| US11871765B2 (en) | 2020-12-31 | 2024-01-16 | Sharkninja Operating Llc | Micro puree machine |
| USD985334S1 (en) | 2020-12-31 | 2023-05-09 | Sharkninja Operating Llc | Nested bowl for a micro puree machine |
| US12016496B2 (en) | 2020-12-31 | 2024-06-25 | Sharkninja Operating Llc | Micro puree machine |
| US12016493B2 (en) | 2020-12-31 | 2024-06-25 | Sharkninja Operating Llc | Micro puree machine |
| US12064056B2 (en) | 2020-12-31 | 2024-08-20 | Sharkninja (Hong Kong) Company Limited | Micro puree machine |
| USD983603S1 (en) * | 2020-12-31 | 2023-04-18 | Sharkninja Operating Llc | Blade for a micro puree machine |
| JP7287726B2 (ja) * | 2021-09-22 | 2023-06-06 | 阪和化工機株式会社 | 撹拌構造体 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058355A (zh) * | 1990-07-26 | 1992-02-05 | 通用信号公司 | 宽粘度范围液体以及液体悬浮物的混合与混匀用叶轮与叶轮系统 |
| CN2263228Y (zh) * | 1996-05-10 | 1997-09-24 | 王勇 | 风扇叶片 |
| US20100124147A1 (en) * | 2008-11-19 | 2010-05-20 | Chemineer, Inc. | High Efficiency Mixer-Impeller |
| CN201574972U (zh) * | 2009-07-14 | 2010-09-08 | 广东顺威精密塑料股份有限公司 | 轴流风轮 |
| CN102348498A (zh) * | 2009-03-11 | 2012-02-08 | 奥图泰有限公司 | 用于在冶金过程中混合矿浆的叶轮 |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1838453A (en) * | 1930-05-15 | 1931-12-29 | Rosen William | Propeller |
| US2148555A (en) * | 1937-12-06 | 1939-02-28 | Elias S Hicks | Propeller |
| US3030083A (en) * | 1959-03-25 | 1962-04-17 | Hugh A Stiffler | Agitator wheel |
| US3147958A (en) * | 1963-02-13 | 1964-09-08 | Hugh A Stiffler | Ice cream-milk mixer |
| FR2313114A1 (fr) * | 1975-06-04 | 1976-12-31 | Procedes Sem | Nouveaux perfectionnements aux helices pour melangeurs |
| US4177012A (en) * | 1978-03-15 | 1979-12-04 | Fram Corporation | Fan blade with bends forming general blade curvature |
| EP0052298A3 (de) * | 1980-11-18 | 1983-04-06 | Herbert Rieger | Rührwerk für Gärbehälter für Traubenmaische |
| US4519715A (en) * | 1981-11-30 | 1985-05-28 | Joy Manufacturing Company | Propeller |
| US5052892A (en) | 1990-01-29 | 1991-10-01 | Chemineer, Inc. | High efficiency mixer impeller |
| FR2692809B1 (fr) * | 1992-06-30 | 1994-11-25 | Guerin Sa Pierre | Agitateur rotatif à hélice. |
| US5326226A (en) * | 1993-05-28 | 1994-07-05 | Philadelphia Mixers Corporation | Continuous curve high solidity hydrofoil impeller |
| DE4401596A1 (de) * | 1994-01-20 | 1995-07-27 | Ekato Ruehr Mischtechnik | Rührorgan |
| JP2931256B2 (ja) * | 1995-11-01 | 1999-08-09 | 神鋼パンテツク株式会社 | 軸流型撹拌翼 |
| US5988604A (en) * | 1997-10-10 | 1999-11-23 | General Signal Corporation | Mixing impellers especially adapted for use in surface aeration |
| US7114844B2 (en) * | 2003-03-03 | 2006-10-03 | Spx Corporation | Aeration apparatus and method |
| DE20307199U1 (de) * | 2003-05-08 | 2003-07-10 | Ekato Rühr- und Mischtechnik GmbH, 79650 Schopfheim | Rührorgan |
| US6877959B2 (en) * | 2003-06-03 | 2005-04-12 | Mixing & Mass Transfer Technologies, Llc | Surface aeration impellers |
| KR100523466B1 (ko) | 2003-12-02 | 2005-10-25 | 한국전력기술 주식회사 | 발전소용 교반기 날개 |
| JP4081478B2 (ja) * | 2004-04-22 | 2008-04-23 | エフ.ホフマン−ラ ロシュ アーゲー | 攪拌機 |
| GB0617041D0 (en) | 2006-08-29 | 2006-10-11 | PAGE Philip | Impeller and blade therefor |
| US7473025B1 (en) * | 2008-01-31 | 2009-01-06 | Spx Corporation | Mixing impeller with spiral leading edge |
| KR100970137B1 (ko) | 2009-11-04 | 2010-07-14 | 김유학 | 수처리용 교반기 임펠러 |
| FI123826B (en) * | 2012-02-20 | 2013-11-15 | Outotec Oyj | Axial flow propeller blade and axial flow propeller |
| US9289733B2 (en) * | 2013-01-25 | 2016-03-22 | Spx Flow, Inc. | Mixing apparatus with stationary shaft |
| US9731256B2 (en) * | 2013-08-12 | 2017-08-15 | Jay G. Dinnison | Mixing impeller with leading edges minimizing accumulations on blades |
-
2012
- 2012-02-20 FI FI20125193A patent/FI123826B/en active IP Right Grant
-
2013
- 2013-02-18 EP EP13751453.5A patent/EP2817089B1/en active Active
- 2013-02-18 CA CA2863471A patent/CA2863471C/en active Active
- 2013-02-18 WO PCT/FI2013/050185 patent/WO2013124539A1/en not_active Ceased
- 2013-02-18 AU AU2013223943A patent/AU2013223943B2/en active Active
- 2013-02-18 BR BR112014020388A patent/BR112014020388B8/pt active IP Right Grant
- 2013-02-18 EA EA201491436A patent/EA025699B1/ru not_active IP Right Cessation
- 2013-02-18 PE PE2014001264A patent/PE20141785A1/es active IP Right Grant
- 2013-02-18 US US14/378,628 patent/US9334874B2/en active Active
- 2013-02-18 CN CN201380010088.9A patent/CN104168991B/zh active Active
- 2013-02-18 ES ES13751453.5T patent/ES2628964T3/es active Active
-
2014
- 2014-08-19 CL CL2014002205A patent/CL2014002205A1/es unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1058355A (zh) * | 1990-07-26 | 1992-02-05 | 通用信号公司 | 宽粘度范围液体以及液体悬浮物的混合与混匀用叶轮与叶轮系统 |
| CN2263228Y (zh) * | 1996-05-10 | 1997-09-24 | 王勇 | 风扇叶片 |
| US20100124147A1 (en) * | 2008-11-19 | 2010-05-20 | Chemineer, Inc. | High Efficiency Mixer-Impeller |
| WO2010059572A1 (en) * | 2008-11-19 | 2010-05-27 | Chemineer, Inc. | Mixer impeller |
| CN102348498A (zh) * | 2009-03-11 | 2012-02-08 | 奥图泰有限公司 | 用于在冶金过程中混合矿浆的叶轮 |
| CN201574972U (zh) * | 2009-07-14 | 2010-09-08 | 广东顺威精密塑料股份有限公司 | 轴流风轮 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073420A (zh) * | 2014-11-06 | 2017-08-18 | 奥图泰(芬兰)公司 | 水翼推进器 |
| CN107073420B (zh) * | 2014-11-06 | 2019-11-01 | 奥图泰(芬兰)公司 | 水翼推进器 |
| CN105950811A (zh) * | 2016-06-08 | 2016-09-21 | 武汉钢铁股份有限公司 | 铁水机械搅拌高效混合脱硫用搅拌器 |
| CN105950811B (zh) * | 2016-06-08 | 2018-09-14 | 武汉钢铁有限公司 | 铁水机械搅拌高效混合脱硫用搅拌器 |
| CN110869112A (zh) * | 2017-07-17 | 2020-03-06 | 联邦科学与工业研究组织 | 混合设备和操作方法 |
| CN110869112B (zh) * | 2017-07-17 | 2021-11-26 | 联邦科学与工业研究组织 | 混合设备和操作方法 |
| US12053749B2 (en) | 2017-07-17 | 2024-08-06 | Commonwealth Scientific And Industrial Research Organisation | Mixing apparatus and method of operation |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2817089B1 (en) | 2017-03-29 |
| EA201491436A1 (ru) | 2015-02-27 |
| ES2628964T3 (es) | 2017-08-04 |
| BR112014020388B8 (pt) | 2023-02-07 |
| EP2817089A1 (en) | 2014-12-31 |
| FI123826B (en) | 2013-11-15 |
| CN104168991B (zh) | 2016-02-24 |
| CL2014002205A1 (es) | 2014-12-19 |
| US20150240832A1 (en) | 2015-08-27 |
| PE20141785A1 (es) | 2014-12-05 |
| WO2013124539A1 (en) | 2013-08-29 |
| BR112014020388B1 (pt) | 2020-12-22 |
| EP2817089A4 (en) | 2015-11-25 |
| AU2013223943B2 (en) | 2016-01-28 |
| US9334874B2 (en) | 2016-05-10 |
| CA2863471A1 (en) | 2013-08-29 |
| FI20125193A7 (fi) | 2013-08-21 |
| AU2013223943A1 (en) | 2014-08-21 |
| EA025699B1 (ru) | 2017-01-30 |
| CA2863471C (en) | 2016-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104168991B (zh) | 轴流式叶轮的叶片和轴流式叶轮 | |
| CN105854664B (zh) | 一种装配扇环型凹面叶片的气液分散搅拌器装置 | |
| KR0184348B1 (ko) | 종-흐름 임펠러 | |
| EP2570677B1 (en) | Axial flow blower | |
| CN106402020A (zh) | 叶轮和具有其的风机 | |
| CN108714388B (zh) | 一种搅拌槽 | |
| CN206280296U (zh) | 一种螺旋轴流式油气混输泵叶轮 | |
| EP2978975A1 (en) | Slurry pump impeller | |
| CN204828043U (zh) | 叶片 | |
| WO2024192925A1 (zh) | 一种叶轮组件、循环分散机及循环分散系统 | |
| CN102619779B (zh) | 一种中浓纸浆泵湍流发生器 | |
| JP6393694B2 (ja) | 撹拌翼及び撹拌装置 | |
| CN106640742A (zh) | 一种螺旋轴流式油气混输泵叶轮 | |
| CN107110174A (zh) | 浆料泵叶轮 | |
| CN113731219A (zh) | 一种后掠式圆盘涡轮搅拌桨 | |
| CN114962288A (zh) | 用于离心风机的叶轮和离心风机 | |
| JP6581937B2 (ja) | 撹拌翼及び撹拌装置 | |
| CN206206264U (zh) | 叶轮和具有其的风机 | |
| CN105435705A (zh) | 一种带叶梢小翼的轴流式搅拌桨 | |
| CN103452910A (zh) | 一种错列式离心泵空间导叶体 | |
| CN111927822B (zh) | 一种有效降低侧流道泵振动和噪声的侧流道泵叶片 | |
| CN118761176A (zh) | 一种旋流泵叶轮设计方法 | |
| CN204602100U (zh) | 一种新型搅拌器 | |
| GB2555374A (en) | Impeller | |
| CN116146535A (zh) | 一种包括鳞片式仿生倾斜隔舌的离心风机 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tampere Patentee after: Metso ottotai Finland Address before: Tampere Patentee before: Metso Minerals Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230306 Address after: Tampere Patentee after: Metso Minerals Ltd. Address before: Espoo, Finland Patentee before: OUTOTEC (FINLAND) OY |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: Espoo, Finland Patentee after: Metso Finland Ltd. Country or region after: Finland Address before: Tampere Patentee before: Metso ottotai Finland Country or region before: Finland |
|
| CP03 | Change of name, title or address |