CA2787948A1 - Fluid turbine - Google Patents
Fluid turbine Download PDFInfo
- Publication number
- CA2787948A1 CA2787948A1 CA2787948A CA2787948A CA2787948A1 CA 2787948 A1 CA2787948 A1 CA 2787948A1 CA 2787948 A CA2787948 A CA 2787948A CA 2787948 A CA2787948 A CA 2787948A CA 2787948 A1 CA2787948 A1 CA 2787948A1
- Authority
- CA
- Canada
- Prior art keywords
- lobe
- curving
- shroud
- segments
- turbine
- 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.)
- Abandoned
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having stationary wind-guiding means, e.g. with shrouds or channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/10—Stators
- F05B2240/13—Stators to collect or cause flow towards or away from turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/10—Stators
- F05B2240/13—Stators to collect or cause flow towards or away from turbines
- F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/96—Preventing, counteracting or reducing vibration or noise
-
- 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Wind Motors (AREA)
- Hydraulic Turbines (AREA)
Abstract
A shrouded fluid turbine comprises an impeller and a turbine shroud surrounding the impeller. The inlet of the turbine shroud is flared. The shroud includes alternating inward and outward curving lobe segments along a trailing edge of the turbine shroud. The inward and outward curving lobe segments have exposed lateral surfaces, or in other words do not have sidewalls joining the inward and outward curving lobe segments. This allows for both transverse mixing and radial mixing of air flow through the turbine shroud with air flow passing along the exterior of the turbine shroud.
Claims (20)
1 . A fluid turbine, comprising:
a turbine shroud comprising:
a first structural member defining a flared inlet of the shroud;
and a plurality of lobe segments defining a trailing edge of the turbine shroud; and an ejector shroud disposed downstream of and concentrically about the turbine shroud;
wherein the plurality of lobe segments comprises inward curving lobe segments and outward curving lobe segments configured in an alternating pattern to allow air to mix laterally and transversely.
a turbine shroud comprising:
a first structural member defining a flared inlet of the shroud;
and a plurality of lobe segments defining a trailing edge of the turbine shroud; and an ejector shroud disposed downstream of and concentrically about the turbine shroud;
wherein the plurality of lobe segments comprises inward curving lobe segments and outward curving lobe segments configured in an alternating pattern to allow air to mix laterally and transversely.
2. The fluid turbine of claim 1, wherein each inward curving lobe segment has two exposed lateral surfaces, and wherein each outward curving lobe segment has two exposed lateral surfaces.
3. The fluid turbine of claim 1, wherein the plurality of lobe segments has a total of nine inward curving lobe segments and nine outward curving lobe segments.
4. The fluid turbine of claim 1, wherein the outward curving lobe segments are wider in the circumferential direction than the inward curving lobe segments.
5. The fluid turbine of claim 1, wherein each lobe segment comprises a front end and a mixing end, and the front ends of the plurality of lobe segments form the first structural member.
6. The fluid turbine of claim 5, wherein the front end of each lobe segment includes a groove on an interior surface.
7. The fluid turbine of claim 1, wherein the inward curving lobe segments and outward curving lobe segments are comprised of a composite material or a fabric material.
8. The fluid turbine of claim 7, wherein the composite material is a mixture of fiberglass and a polymer resin.
9. The fluid turbine of claim 7, wherein the fabric material is fiberglass coated with a fluoropolymer.
10. A fluid turbine, comprising:
a turbine shroud, the turbine shroud comprising:
a plurality of inward curving lobe segments, each inward curving lobe segment having a front end, a mixing end, and two lateral surfaces;
and a plurality of outward curving lobe segments, each outward curving lobe segment having a front end, a mixing end, and two lateral surfaces;
and an ejector shroud downstream of the turbine shroud;
wherein each inward curving lobe segment is located between two outward curving lobe segments, and each outward curving lobe segment is located between two inward curving lobe segments;
wherein the front ends of the inward curving lobe segments and the front ends of the outward curving lobe segments form a first structural member defining a flared inlet of the shroud;
wherein the mixing ends of the inward curving lobe segments and the mixing ends of the outward curving lobe segments form a plurality of lobe segments that define a trailing edge of the shroud; and wherein the two lateral surfaces of the inward curving lobe segments and the two lateral surfaces of the outward curving lobe segments are exposed along the trailing edge.
a turbine shroud, the turbine shroud comprising:
a plurality of inward curving lobe segments, each inward curving lobe segment having a front end, a mixing end, and two lateral surfaces;
and a plurality of outward curving lobe segments, each outward curving lobe segment having a front end, a mixing end, and two lateral surfaces;
and an ejector shroud downstream of the turbine shroud;
wherein each inward curving lobe segment is located between two outward curving lobe segments, and each outward curving lobe segment is located between two inward curving lobe segments;
wherein the front ends of the inward curving lobe segments and the front ends of the outward curving lobe segments form a first structural member defining a flared inlet of the shroud;
wherein the mixing ends of the inward curving lobe segments and the mixing ends of the outward curving lobe segments form a plurality of lobe segments that define a trailing edge of the shroud; and wherein the two lateral surfaces of the inward curving lobe segments and the two lateral surfaces of the outward curving lobe segments are exposed along the trailing edge.
11. A shrouded fluid turbine comprising an impeller, a turbine shroud surrounding the impeller, and an ejector shroud, wherein the turbine shroud comprises:
a first structural member defining a flared inlet of the shroud; and a plurality of lobe segments defining a trailing edge of the turbine shroud;
wherein the plurality of lobe segments comprises inward curving lobe segments and outward curving lobe segments configured in an alternating pattern;
wherein two lateral surfaces of the inward curving lobe segments and two lateral surfaces of the outward curving lobe segments are exposed along the trailing edge; and wherein the trailing edge of the turbine shroud extends into an inlet end of the ejector shroud.
a first structural member defining a flared inlet of the shroud; and a plurality of lobe segments defining a trailing edge of the turbine shroud;
wherein the plurality of lobe segments comprises inward curving lobe segments and outward curving lobe segments configured in an alternating pattern;
wherein two lateral surfaces of the inward curving lobe segments and two lateral surfaces of the outward curving lobe segments are exposed along the trailing edge; and wherein the trailing edge of the turbine shroud extends into an inlet end of the ejector shroud.
12. The fluid turbine of claim 11, wherein the ejector shroud comprises a plurality of ejector lobe segments.
13. The fluid turbine of claim 11, wherein the ejector shroud has the shape of a ring airfoil.
14. The fluid turbine of claim 11, wherein the plurality of lobe segments has a total of nine inward curving lobe segments and nine outward curving lobe segments.
15. The fluid turbine of claim 11, wherein the outward curving lobe segments are wider in the circumferential direction than the inward curving lobe segments.
16. The fluid turbine of claim 11, wherein each lobe segment comprises a front end and a mixing end, and the front ends of the plurality of lobe segments form the first structural member.
17. The fluid turbine of claim 16, wherein the front end of each lobe segment includes a groove on an interior surface.
18. The fluid turbine of claim 11, further comprising a plurality of support members extending between the turbine shroud and the ejector shroud, each support member being aligned with an outward curving lobe segment.
19. The fluid turbine of claim 11, wherein the impeller comprises a nacelle body and a plurality of stator vanes extending between the nacelle body and the turbine shroud.
20. The fluid turbine of claim 19, wherein the nacelle body comprises a central passageway.
Applications Claiming Priority (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US30333910P | 2010-02-11 | 2010-02-11 | |
| US61/303,339 | 2010-02-11 | ||
| US12/749,341 | 2010-03-29 | ||
| US12/749,341 US20100270802A1 (en) | 2007-03-23 | 2010-03-29 | Wind turbine |
| US33272210P | 2010-05-07 | 2010-05-07 | |
| US61/332,722 | 2010-05-07 | ||
| US12/914,509 | 2010-10-28 | ||
| US12/914,509 US20110085901A1 (en) | 2007-03-23 | 2010-10-28 | Shrouded wind turbine with scalloped lobes |
| US41561010P | 2010-11-19 | 2010-11-19 | |
| US61/415,610 | 2010-11-19 | ||
| US12/983,082 | 2010-12-31 | ||
| US12/983,082 US20110135458A1 (en) | 2007-03-23 | 2010-12-31 | Fluid turbine with shroud having segmented lobes |
| PCT/US2011/024509 WO2011100536A1 (en) | 2010-02-11 | 2011-02-11 | Fluid turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2787948A1 true CA2787948A1 (en) | 2011-08-18 |
Family
ID=44368144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2787948A Abandoned CA2787948A1 (en) | 2010-02-11 | 2011-02-11 | Fluid turbine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2534372A4 (en) |
| CN (1) | CN102782312A (en) |
| CA (1) | CA2787948A1 (en) |
| RU (1) | RU2012138698A (en) |
| WO (1) | WO2011100536A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110085901A1 (en) * | 2007-03-23 | 2011-04-14 | Presz Jr Walter M | Shrouded wind turbine with scalloped lobes |
| EP3473848B1 (en) | 2017-10-20 | 2022-09-07 | FlowGen Development & Management AG | Flow energy installation, in particular a wind turbine with a jacket |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5230937A (en) * | 1983-04-13 | 1993-07-27 | Chemfab Corporation | Reinforced fluoropolymer composite |
| US4976587A (en) * | 1988-07-20 | 1990-12-11 | Dwr Wind Technologies Inc. | Composite wind turbine rotor blade and method for making same |
| JPH0632355A (en) | 1992-07-06 | 1994-02-08 | Tdk Corp | Case and method for its production |
| US5771681A (en) * | 1996-09-17 | 1998-06-30 | The Boeing Company | Aircraft turbofan engine mixing apparatus |
| DE50110023D1 (en) * | 2000-12-01 | 2006-07-20 | Ebm Papst St Georgen Gmbh & Co | Fan housing, especially for axial fans |
| GB0105349D0 (en) * | 2001-03-03 | 2001-04-18 | Rolls Royce Plc | Gas turbine engine exhaust nozzle |
| CA2562341C (en) * | 2004-04-09 | 2012-07-17 | Thomas R. Norris | Externally mounted vortex generators for flow duct passage |
| CA2481820C (en) * | 2004-09-17 | 2009-09-01 | Clean Current Power Systems Incorporated | Flow enhancement for underwater turbine generator |
| CA2620880A1 (en) * | 2005-08-22 | 2007-04-19 | Viryd Technologies Inc. | Fluid energy converter |
| EP1894616A1 (en) * | 2006-08-30 | 2008-03-05 | Fachhochschule Zentralschweiz | Static mixing device |
| US8021100B2 (en) * | 2007-03-23 | 2011-09-20 | Flodesign Wind Turbine Corporation | Wind turbine with mixers and ejectors |
| BRPI0809261A8 (en) * | 2007-03-23 | 2015-12-08 | Flodesign Wind Turbine Corp | WIND TURBINE WITH MIXERS AND ELECTORS |
| WO2010005289A2 (en) * | 2008-07-11 | 2010-01-14 | Donqi Quandary Innovations Bv | Wind turbine with di ffuser |
-
2011
- 2011-02-11 WO PCT/US2011/024509 patent/WO2011100536A1/en active Application Filing
- 2011-02-11 CN CN2011800092544A patent/CN102782312A/en active Pending
- 2011-02-11 RU RU2012138698/06A patent/RU2012138698A/en not_active Application Discontinuation
- 2011-02-11 CA CA2787948A patent/CA2787948A1/en not_active Abandoned
- 2011-02-11 EP EP20110742856 patent/EP2534372A4/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011100536A1 (en) | 2011-08-18 |
| RU2012138698A (en) | 2014-03-20 |
| EP2534372A1 (en) | 2012-12-19 |
| CN102782312A (en) | 2012-11-14 |
| EP2534372A4 (en) | 2014-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |
Effective date: 20160211 |