EP1581745A4 - Surface aeration impellers - Google Patents
Surface aeration impellersInfo
- Publication number
- EP1581745A4 EP1581745A4 EP02802924A EP02802924A EP1581745A4 EP 1581745 A4 EP1581745 A4 EP 1581745A4 EP 02802924 A EP02802924 A EP 02802924A EP 02802924 A EP02802924 A EP 02802924A EP 1581745 A4 EP1581745 A4 EP 1581745A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- surface aeration
- aeration impellers
- impellers
- aeration
- 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.)
- Withdrawn
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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/234—Surface aerating
- B01F23/2342—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force
- B01F23/23421—Surface aerating with stirrers near to the liquid surface, e.g. partially immersed, for spraying the liquid in the gas or for sucking gas into the liquid, e.g. using stirrers rotating around a horizontal axis or using centrifugal force the stirrers rotating about a vertical axis
- B01F23/234211—Stirrers thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2002/029280 WO2004025125A2 (en) | 1998-09-28 | 2002-09-16 | Surface aeration impellers |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1581745A2 EP1581745A2 (en) | 2005-10-05 |
EP1581745A4 true EP1581745A4 (en) | 2010-12-15 |
Family
ID=34374683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02802924A Withdrawn EP1581745A4 (en) | 2002-09-16 | 2002-09-16 | Surface aeration impellers |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1581745A4 (en) |
JP (1) | JP2006503687A (en) |
AU (1) | AU2002365076B2 (en) |
CA (1) | CA2499051C (en) |
MX (1) | MXPA05002888A (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1027600C2 (en) * | 2004-11-26 | 2006-05-29 | Andries Visser | Device and method for aeration of waste water. |
EP2216395A1 (en) | 2009-02-09 | 2010-08-11 | Lonza Biologics plc. | Bioreactor for the cultivation of mammalian cells |
JP5704928B2 (en) * | 2011-01-11 | 2015-04-22 | 株式会社環境測定サービス | Water circulation device |
CN102583720B (en) * | 2012-02-23 | 2013-09-25 | 安徽国祯环保节能科技股份有限公司 | Deep-water type down-umbrella aerator impeller |
DE102013225662A1 (en) * | 2013-12-11 | 2015-06-11 | Invent Umwelt- Und Verfahrenstechnik Ag | Stirring device for circulating wastewater and equipment received in a basin |
JP6169207B1 (en) * | 2016-02-29 | 2017-07-26 | 株式会社メデック | Rotating body for stirring and stirring device |
JP6908502B2 (en) * | 2017-11-17 | 2021-07-28 | 新明和工業株式会社 | Aeration device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2003759A1 (en) * | 1970-01-28 | 1971-09-23 | Bamag Verfahrenstechnik Gmbh | Effluent surface aeration centrifugal impeller |
DE2418679A1 (en) * | 1974-02-28 | 1975-10-30 | Sotralentz Sa | DEVICE FOR SPRAYING WATER INTO THE AIR |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290016A (en) * | 1965-01-08 | 1966-12-06 | Nettco Corp | Mixer means and impeller therefor |
US4066383A (en) * | 1976-06-18 | 1978-01-03 | General Signal Corporation | Surface aeration impeller |
-
2002
- 2002-09-16 CA CA2499051A patent/CA2499051C/en not_active Expired - Fee Related
- 2002-09-16 MX MXPA05002888A patent/MXPA05002888A/en active IP Right Grant
- 2002-09-16 AU AU2002365076A patent/AU2002365076B2/en not_active Ceased
- 2002-09-16 EP EP02802924A patent/EP1581745A4/en not_active Withdrawn
- 2002-09-16 JP JP2004535370A patent/JP2006503687A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2003759A1 (en) * | 1970-01-28 | 1971-09-23 | Bamag Verfahrenstechnik Gmbh | Effluent surface aeration centrifugal impeller |
DE2418679A1 (en) * | 1974-02-28 | 1975-10-30 | Sotralentz Sa | DEVICE FOR SPRAYING WATER INTO THE AIR |
Also Published As
Publication number | Publication date |
---|---|
EP1581745A2 (en) | 2005-10-05 |
AU2002365076B2 (en) | 2008-12-18 |
CA2499051C (en) | 2010-06-01 |
MXPA05002888A (en) | 2005-10-05 |
AU2002365076A1 (en) | 2004-04-30 |
CA2499051A1 (en) | 2004-03-25 |
JP2006503687A (en) | 2006-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1670524A4 (en) | Impeller | |
AU2003270832A8 (en) | Portable thermocycler | |
PT1357294T (en) | Sewage pump | |
GB0223570D0 (en) | Surface treatment | |
AU148657S (en) | Blender | |
GB0225197D0 (en) | Surface | |
GB0313143D0 (en) | Sewage aeration | |
EP1581745A4 (en) | Surface aeration impellers | |
EP1469204A4 (en) | Impeller | |
AU150845S (en) | An impeller | |
EP1614746A4 (en) | Fructosylamine oxidase | |
GB2389655B (en) | Spirit level | |
GB0200489D0 (en) | Kart | |
GB2393932B (en) | Surface preparation | |
EP1635759A4 (en) | Bath aeration | |
AU2003250902A8 (en) | Spirit level | |
GB0217672D0 (en) | Powerdrive | |
PL114468U1 (en) | Skirting board | |
TW543371U (en) | Float | |
AU2003302880A8 (en) | Mixer | |
GB0222569D0 (en) | Integrated bio-treatment | |
GB0222624D0 (en) | Surface modification | |
GB0225182D0 (en) | Multi-plane-view spirit level | |
GB0209533D0 (en) | Aerated shoe | |
TW570101U (en) | Fan |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20050510 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
PUAK | Availability of information related to the publication of the international search report |
Free format text: ORIGINAL CODE: 0009015 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
|
DAX | Request for extension of the european patent (deleted) | ||
RIC1 | Information provided on ipc code assigned before grant |
Ipc: B01F 3/04 19680901AFI20051123BHEP |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MIXING AND MASS TRANSFER TECHNOLOGIES, LLC Owner name: THE PENN STATE RESEARCH FOUNDATION |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20101111 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/22 20060101ALI20101105BHEP Ipc: B01F 3/04 20060101AFI20051123BHEP |
|
17Q | First examination report despatched |
Effective date: 20110404 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20130403 |