DE3242589A1 - Schiffsschraube, versehen mit zwei oder mehreren perforierten hohlen fluegeln - Google Patents
Schiffsschraube, versehen mit zwei oder mehreren perforierten hohlen fluegelnInfo
- Publication number
- DE3242589A1 DE3242589A1 DE19823242589 DE3242589A DE3242589A1 DE 3242589 A1 DE3242589 A1 DE 3242589A1 DE 19823242589 DE19823242589 DE 19823242589 DE 3242589 A DE3242589 A DE 3242589A DE 3242589 A1 DE3242589 A1 DE 3242589A1
- Authority
- DE
- Germany
- Prior art keywords
- screw
- hub
- propeller
- channel
- perforated
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Toys (AREA)
- Catching Or Destruction (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Screw Conveyors (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Wind Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8105275A NL8105275A (nl) | 1981-11-20 | 1981-11-20 | Scheepsschroef, voorzien van twee of meer geperforeerde holle bladen. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3242589A1 true DE3242589A1 (de) | 1983-05-26 |
Family
ID=19838424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19823242589 Withdrawn DE3242589A1 (de) | 1981-11-20 | 1982-11-18 | Schiffsschraube, versehen mit zwei oder mehreren perforierten hohlen fluegeln |
Country Status (14)
Country | Link |
---|---|
BE (1) | BE895081A (da) |
DE (1) | DE3242589A1 (da) |
DK (1) | DK508982A (da) |
ES (1) | ES275637Y (da) |
FI (1) | FI823935L (da) |
FR (1) | FR2516890A1 (da) |
GB (1) | GB2110307B (da) |
GR (1) | GR76737B (da) |
IE (1) | IE53509B1 (da) |
IT (1) | IT1153059B (da) |
NL (1) | NL8105275A (da) |
NO (1) | NO823840L (da) |
PT (1) | PT75872B (da) |
SE (1) | SE8206578L (da) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998046482A1 (en) * | 1997-04-14 | 1998-10-22 | Chi Keung Leung | Improved fluid displacing blade |
AU708767B2 (en) * | 1997-04-14 | 1999-08-12 | Chi Keung Leung | Improved fluid displacing blade |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1414698B1 (en) | 2001-08-08 | 2008-05-07 | SHAW, Robin D. | Cavitation alleviation and line cutting device |
GB0222466D0 (en) | 2002-09-27 | 2002-11-06 | Marine Current Turbines Ltd | Improvements in rotor blades and/or hydrofoils |
GB0617828D0 (en) | 2006-09-11 | 2006-10-18 | Ambassador Marine Ltd | Line cutter |
AU2006233263B2 (en) | 2006-10-02 | 2012-05-03 | Aon Invent Llc | Safety propeller |
RU2539870C1 (ru) * | 2013-09-30 | 2015-01-27 | Федеральное Государственное Автономное Образовательное Учреждение Высшего Профессионального Образования "Дальневосточный Федеральный Университет" (Двфу) | Гребной винт |
CN105221321A (zh) * | 2014-06-25 | 2016-01-06 | 上海电气风电设备有限公司 | 洋流发电机组内腔开放式叶片结构 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE17146C (de) * | FR. WREDE in Duisburg, Crefelderstr. 20 | Schiffsschrauben mit hohlen Flügeln, deren Hohlraum mit dem umgebenden Wasser kommunizirt | ||
GB191206468A (en) * | 1912-03-15 | 1912-05-23 | Wynford Brierley | Improvements in Propellers and Fans. |
US1604994A (en) * | 1925-08-31 | 1926-11-02 | Patrick P Grosso | Propeller |
US1666517A (en) * | 1927-01-25 | 1928-04-17 | Tully Edward Ernest | Propelling device for ships |
GB291281A (en) * | 1927-10-29 | 1928-05-31 | William Lovis | Improvements in or relating to ships' propellers |
GB400913A (en) * | 1932-01-29 | 1933-11-02 | Louis Jauch | Improvements in hydraulic or aerial propellers or receivers |
GB396716A (en) * | 1932-02-08 | 1933-08-08 | Edward Ernest Tully | Improvements in or relating to ships' propellers |
US2511156A (en) * | 1946-08-07 | 1950-06-13 | Richard J Glass | Propeller |
GB1200162A (en) * | 1966-05-24 | 1970-07-29 | Robert Filmer Bridgland | Improvements in blades for screw-propellers and lifting rotors |
NL7803906A (nl) * | 1978-04-12 | 1979-10-16 | Noordvos Schroeven Bv | Werkwijze, inrichting en propeller voor het verdelen van een gasvormig, poedervormig of vloeibaar materiaal in een vloeistof. |
-
1981
- 1981-11-20 NL NL8105275A patent/NL8105275A/nl not_active Application Discontinuation
-
1982
- 1982-11-16 DK DK508982A patent/DK508982A/da not_active Application Discontinuation
- 1982-11-16 GB GB08232712A patent/GB2110307B/en not_active Expired
- 1982-11-17 GR GR69843A patent/GR76737B/el unknown
- 1982-11-17 NO NO823840A patent/NO823840L/no unknown
- 1982-11-17 IT IT2430182A patent/IT1153059B/it active
- 1982-11-17 FI FI823935A patent/FI823935L/fi not_active Application Discontinuation
- 1982-11-18 DE DE19823242589 patent/DE3242589A1/de not_active Withdrawn
- 1982-11-18 SE SE8206578A patent/SE8206578L/ not_active Application Discontinuation
- 1982-11-19 FR FR8219454A patent/FR2516890A1/fr not_active Withdrawn
- 1982-11-19 IE IE2759/82A patent/IE53509B1/en unknown
- 1982-11-19 ES ES1982275637U patent/ES275637Y/es not_active Expired
- 1982-11-19 PT PT7587282A patent/PT75872B/pt unknown
- 1982-11-22 BE BE2/59917A patent/BE895081A/nl not_active IP Right Cessation
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998046482A1 (en) * | 1997-04-14 | 1998-10-22 | Chi Keung Leung | Improved fluid displacing blade |
AU708767B2 (en) * | 1997-04-14 | 1999-08-12 | Chi Keung Leung | Improved fluid displacing blade |
US6354804B1 (en) | 1997-04-14 | 2002-03-12 | Chi Keung Leung | Fluid displacing blade |
AU708767C (en) * | 1997-04-14 | 2002-08-29 | Chi Keung Leung | Improved fluid displacing blade |
Also Published As
Publication number | Publication date |
---|---|
IE822759L (en) | 1983-05-20 |
IT8224301A1 (it) | 1984-05-17 |
FR2516890A1 (fr) | 1983-05-27 |
SE8206578L (sv) | 1983-05-21 |
GB2110307B (en) | 1985-01-30 |
ES275637U (es) | 1984-03-01 |
NO823840L (no) | 1983-05-24 |
FI823935A0 (fi) | 1982-11-17 |
BE895081A (nl) | 1983-05-24 |
PT75872A (en) | 1982-12-01 |
IE53509B1 (en) | 1988-11-23 |
PT75872B (en) | 1985-01-09 |
GB2110307A (en) | 1983-06-15 |
DK508982A (da) | 1983-05-21 |
IT8224301A0 (it) | 1982-11-17 |
NL8105275A (nl) | 1983-06-16 |
ES275637Y (es) | 1984-10-01 |
GR76737B (da) | 1984-08-30 |
IT1153059B (it) | 1987-01-14 |
FI823935L (fi) | 1983-05-21 |
SE8206578D0 (sv) | 1982-11-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8127 | New person/name/address of the applicant |
Owner name: WOLFARD & WESSELS B.V., GRONINGEN, NL |
|
8139 | Disposal/non-payment of the annual fee |