EP1581745A4 - LAUFRûDER F R EINE OBERFLûCHENBEL FTUNG - Google Patents

LAUFRûDER F R EINE OBERFLûCHENBEL FTUNG

Info

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Withdrawn
Application number
EP02802924A
Other languages
English (en)
French (fr)
Other versions
EP1581745A2 (de
Inventor
John R Mcwhirter
Prakash G Balan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Penn State Research Foundation
Mixing and Mass Transfer Technologies LLC
Original Assignee
Penn State Research Foundation
Mixing and Mass Transfer Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Penn State Research Foundation, Mixing and Mass Transfer Technologies LLC filed Critical Penn State Research Foundation
Priority claimed from PCT/US2002/029280 external-priority patent/WO2004025125A2/en
Publication of EP1581745A2 publication Critical patent/EP1581745A2/de
Publication of EP1581745A4 publication Critical patent/EP1581745A4/de
Withdrawn legal-status Critical Current

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)
EP02802924A 2002-09-16 2002-09-16 LAUFRûDER F R EINE OBERFLûCHENBEL FTUNG Withdrawn EP1581745A4 (de)

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 (de) 2005-10-05
EP1581745A4 true EP1581745A4 (de) 2010-12-15

Family

ID=34374683

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02802924A Withdrawn EP1581745A4 (de) 2002-09-16 2002-09-16 LAUFRûDER F R EINE OBERFLûCHENBEL FTUNG

Country Status (5)

Country Link
EP (1) EP1581745A4 (de)
JP (1) JP2006503687A (de)
AU (1) AU2002365076B2 (de)
CA (1) CA2499051C (de)
MX (1) MXPA05002888A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1027600C2 (nl) * 2004-11-26 2006-05-29 Andries Visser Inrichting en werkwijze voor het beluchten van afvalwater.
EP2216395A1 (de) * 2009-02-09 2010-08-11 Lonza Biologics plc. Bioreaktor zur Kultivierung von Säugetierzellen
JP5704928B2 (ja) * 2011-01-11 2015-04-22 株式会社環境測定サービス 水循環装置
CN102583720B (zh) * 2012-02-23 2013-09-25 安徽国祯环保节能科技股份有限公司 深水型倒伞曝气机叶轮
DE102013225662A1 (de) * 2013-12-11 2015-06-11 Invent Umwelt- Und Verfahrenstechnik Ag Rührkörper zum Umwälzen von in einem Becken aufgenommenem Abwasser und Vorrichtung
JP6169207B1 (ja) * 2016-02-29 2017-07-26 株式会社メデック 攪拌用回転体および攪拌装置
JP6908502B2 (ja) * 2017-11-17 2021-07-28 新明和工業株式会社 曝気装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003759A1 (de) * 1970-01-28 1971-09-23 Bamag Verfahrenstechnik Gmbh Belueftungskreisel
DE2418679A1 (de) * 1974-02-28 1975-10-30 Sotralentz Sa Vorrichtung zum verspruehen von klaerwasser in luft

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003759A1 (de) * 1970-01-28 1971-09-23 Bamag Verfahrenstechnik Gmbh Belueftungskreisel
DE2418679A1 (de) * 1974-02-28 1975-10-30 Sotralentz Sa Vorrichtung zum verspruehen von klaerwasser in luft

Also Published As

Publication number Publication date
AU2002365076B2 (en) 2008-12-18
EP1581745A2 (de) 2005-10-05
MXPA05002888A (es) 2005-10-05
JP2006503687A (ja) 2006-02-02
CA2499051A1 (en) 2004-03-25
AU2002365076A1 (en) 2004-04-30
CA2499051C (en) 2010-06-01

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Legal Events

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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

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Effective date: 20101111

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