DE102011012147B4 - turbine - Google Patents
turbine Download PDFInfo
- Publication number
- DE102011012147B4 DE102011012147B4 DE102011012147.1A DE102011012147A DE102011012147B4 DE 102011012147 B4 DE102011012147 B4 DE 102011012147B4 DE 102011012147 A DE102011012147 A DE 102011012147A DE 102011012147 B4 DE102011012147 B4 DE 102011012147B4
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- Germany
- Prior art keywords
- blades
- turbine
- rotor
- hollow cylinder
- internals
- 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.)
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Classifications
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- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/04—Machines or engines of reaction type; Parts or details peculiar thereto with substantially axial flow throughout rotors, e.g. propeller turbines
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- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
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- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/126—Rotors for essentially axial flow, e.g. for propeller turbines
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- 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
- F05B2220/00—Application
- F05B2220/20—Application within closed fluid conduits, e.g. pipes
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- 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
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- 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
- F05B2240/20—Rotors
- F05B2240/24—Rotors for turbines
- F05B2240/243—Rotors for turbines of the Archimedes screw type
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- 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
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
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- 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
- F05B2240/40—Use of a multiplicity of similar components
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- 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
- F05B2250/00—Geometry
- F05B2250/30—Arrangement of components
- F05B2250/31—Arrangement of components according to the direction of their main axis or their axis of rotation
- F05B2250/314—Arrangement of components according to the direction of their main axis or their axis of rotation the axes being inclined in relation to each other
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- 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
- F05B2260/40—Transmission of power
- F05B2260/403—Transmission of power through the shape of the drive components
- F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
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- 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
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Turbines (AREA)
Abstract
Turbine, bestehend aus einem in einem Rohr drehbar angeordneten, mit Schaufeln besetzten Rotor, wobei langgestreckte Schaufeln mit einer gekrümmten Außenseite und einer gradlinigen Innenseite sich unmittelbar von der geometrischen Achse bis vor die Innenseite des Rohres erstrecken und sich in einem Punkt der geometrischen Achse kreuzend berühren, dadurch gekennzeichnet, daß sich zwischen der gradlinigen Innenseite jeder Schaufel und der geometrischen Achse Einbauten befinden, die sich in der geometrischen Achse berühren und die Innenseiten der Schaufeln gegen einander abstützen.Turbine, consisting of a rotor fitted with blades and rotatably arranged in a tube, elongated blades with a curved outer side and a straight inner side extending directly from the geometric axis to the inner side of the tube and touching each other in a crossing point on the geometric axis , characterized in that there are internals between the straight inside of each blade and the geometrical axis which touch in the geometrical axis and support the inside of the blades against each other.
Description
Die Erfindung betrifft eine Turbine, bestehend aus einem in einem Rohr drehbar angeordnetem, mit Schaufeln besetzten Rotor, der in Rohrleitungen eingebaut werden kann.The invention relates to a turbine, consisting of a rotor which is rotatably arranged in a pipe and has blades and can be installed in pipelines.
Bekannte Turbinen nutzen die Strömungskraft fließender Medien durch meist mehrmalige Umlenkung der Strömungsrichtung. Jede Umlenkung der Strömungsrichtung ist energetisch unvorteilhaft, gleichgültig ob sie vor oder hinter dem Rotor erfolgt. Bekannte Turbinen weisen am Umfang ihrer Rotoren möglichst viele meist kurz gebaute Schaufeln auf, die an ihren Schaufeln eine durch deren geknickte Bauform verursachte Änderung der Strömungsrichtung bewirken. Viele kurz gebaute Schaufeln erfordern meist einen großen Durchmesser des in der Mitte des Rotors angeordneten Trägers der Schaufeln. Dieser Träger der Turbinenschaufeln ist durch seine mittige Anordnung gerade an einem Ort angeordnet, wo die Strömung am stärksten ist. Die Strömung bekannter Turbinen muß somit über einen einen quer zur bisherigen Strömungsrichtung vor dem axialen Träger der Turbinenschaufeln liegenden Weg zu den Turbinenschaufeln umgeleitet werden, was weitere Energieverluste mit sich bringt.Known turbines use the flow force of flowing media by mostly multiple diversions of the flow direction. Any deflection of the flow direction is energetically disadvantageous, regardless of whether it takes place in front of or behind the rotor. Known turbines have on the circumference of their rotors as many mostly short blades as possible, which cause a change in the direction of flow on their blades caused by their bent design. Many short blades usually require a large diameter for the blade carrier, which is arranged in the center of the rotor. Due to its central arrangement, this carrier of the turbine blades is arranged precisely at a location where the flow is strongest. The flow of known turbines must therefore be diverted to the turbine blades via a path lying transversely to the previous direction of flow in front of the axial support of the turbine blades, which entails further energy losses.
Die Erfindung behebt die aufgezeigten Mängel bekannter Turbinen und schafft eine Turbine, die einfach aufgebaut ist, bei geringen Abmessungen einen hohen Wirkungsgrad aufweist und u. a. gut geeignet ist, in Rohrleitungssträngen ohne großen Platzbedarf eingebaut zu werden und dort ohne wesentliche Änderung der Strömungsrichtung mechanische Energie aus der Strömung zu ziehen.The invention overcomes the identified shortcomings of known turbines and provides a turbine which is simple in construction, has a high degree of efficiency with small dimensions and, inter alia. is well suited to be installed in pipelines without taking up a lot of space and to draw mechanical energy from the flow there without significantly changing the direction of flow.
Die Erfindung besteht darin, daß langgestreckte Schaufeln mit einer gekrümmten Außenseite und einer gradlinigen Innenseite sich in geringer Anzahl unmittelbar von der geometrischen Achse bis vor die Innenseite des Rohres erstrecken und sich in einem Punkt der geometrischen Achse kreuzend berühren und daß sich zwischen der gradlinigen Innenseite jeder Schaufel und der geometrischen Achse flächige ebene Einbauten befinden, die sich in der geometrischen Achse berühren und die Innenseiten der Schaufeln gegen einander abstützen.The invention consists in that elongated blades with a curved outer side and a straight inner side extend in small numbers directly from the geometrical axis to the inside of the pipe and touch each other in a crossing point on the geometrical axis and that between the straight inner side each Blade and the geometrical axis are flat, flat internals which touch in the geometrical axis and support the insides of the blades against each other.
In dieser Turbine fließt das strömende Medium über den ganzen Querschnitt der Rohrleitung fast gleichmäßig verteilt und fast ohne Richtungsänderung. Es werden also auch zentral fließende Strömungen ohne Energieverluste durch Umleitungen und Verwirbelungen bei der Erzeugung mechanischer Energie genutzt. Das erbringt eine Wirkungsgraderhöhung durch Nutzung der zentralen Strömung.In this turbine, the flowing medium flows almost evenly over the entire cross-section of the pipeline and almost without changing direction. Centrally flowing currents are also used to generate mechanical energy without any loss of energy through diversions and turbulence. This brings about an increase in efficiency by using the central flow.
Bei dieser Turbine ist es von Vorteil, wenn die Schaufeln als ebene Flächen gestaltet sind und in windschiefer Anordnung gleichgerichtet im Rotor stehen. So kann die achsparallele Strömung gegen die Schaufeln drücken und mechanische Kraft auf die Schaufeln ausüben, die dazu führt, daß der Rotor sich dreht.In this turbine it is advantageous if the blades are designed as flat surfaces and are aligned in the rotor in a skewed arrangement. The axially parallel flow can thus press against the blades and exert mechanical force on the blades, which causes the rotor to rotate.
Bei dem Rotor dieser Turbine können die Schaufeln auch in einem auf seinem Umfang gelagerten Hohlzylinderrotor angebracht sein, von dem die erzeugte Kraft abgeleitet wird. In diesem Fall ist das die mechanische Kraft z. B. auf einen Stromerzeuger weiterleitende Zahnrad (oder ein sonstiges Antriebsrad) auf dem Umfang des Hohlzylinderrotors angebracht.In the rotor of this turbine, the blades can also be mounted in a hollow cylinder rotor mounted on its circumference, from which the force generated is derived. In this case it is the mechanical force e.g. B. on a power generator relaying gear (or other drive wheel) mounted on the circumference of the hollow cylinder rotor.
Es ist aber bei einer Turbine dieser Art auch möglich, daß die Schaufeln auf einer in der geometrischen Achse gelagerten Welle angebracht sind, von der die Kraft abgeleitet wird.In the case of a turbine of this type, however, it is also possible for the blades to be mounted on a shaft which is mounted in the geometric axis and from which the force is derived.
Bei dieser Turbine tritt das strömende Medium an der einen Stirnseite in den Hohlzylinderrotor ein und aus der anderen Stirnseite wieder aus. Diese Turbine kann somit mit den Abmessungen des das Medium zu- und auch wieder ab- oder weiterführenden Rohres gebaut werden, was zu sehr kleinen, insbesondere schmalen Baudimensionen führt.In this turbine, the flowing medium enters the hollow cylinder rotor at one end and exits the other end. This turbine can thus be built with the dimensions of the pipe that carries the medium in and out again or continues, which leads to very small, in particular narrow, structural dimensions.
Die erfindungsgemäße Turbine kann mit ihren windschief gewundenen Flächen mitsamt den diese verbindenden Formstücken in den Hohlzylinderrotor fest eingebaut sein. Der Hohlzylinderrotor trägt dann auf seiner Außenseite Mittel zur mechanischen Übertragung der erhaltenen Energie, beispielsweise einen an der Außenseite des Hohlzylinderrotors angebrachten und diesen umgebenden Zahnkranz, in den dann ein Ritzel z. B. einer Dynamomaschine eingreift.The turbine according to the invention can be permanently installed in the hollow cylinder rotor with its skewed surfaces together with the fittings connecting them. The hollow cylinder rotor then carries on its outside means for the mechanical transmission of the energy obtained, for example a ring gear attached to the outside of the hollow cylinder rotor and surrounding it, in which a pinion z. B. a dynamo engages.
Eine andere Baumöglichkeit dieser Turbine besteht darin, daß die windschief gewundenen Flächen mitsamt den sie verbindenden Formstücken eine fest zusammengebaute Einheit bilden, die in das das strömende Medium führende Rohr drehbar ohne Berührung von dessen Innenwand eingebaut ist. Bei dieser Baumöglichkeit müssen die Einbauten gegenüber dem Rohr beweglich sein und in der Achse eine Welle oder Wellenabschnitte für die Lagerung des Rotors in dem Rohr und die Abführung erzeugter mechanischer Energie besitzen.Another possible construction of this turbine is that the skewed surfaces together with the connecting fittings form a firmly assembled unit which is rotatably installed in the pipe carrying the flowing medium without touching its inner wall. With this construction option, the internals must be movable with respect to the pipe and have a shaft or shaft sections in the axis for mounting the rotor in the pipe and for dissipating generated mechanical energy.
Das Wesen der Erfindung ist nachstehend anhand der Zeichnung näher erläutert.The essence of the invention is explained in more detail below with reference to the drawing.
Es zeigen:
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1 die Anordnung von vier Schaufeln in einem Hohlzylinderrotor. -
2 ein aus der Anordnung der1 und dem Formstück der3 gebildetes Schaufelrad einer Turbine. -
3 ein aus zwei sich kreuzenden Dreiecken gebildetes Formstück. -
4 ein aus zwei hohlen Pyramiden gebildetes Formstück. -
5 eine Schaufel. -
6 eine mit Leitblechen bestückte Schaufel. -
7 ein im oberen Teil mit einem aus zwei sich kreuzenden Dreiecken und im unteren Teil mit Leitblechen bestückten Schaufelrad. -
8 die Formstückanordnung der7 . -
9 ein im Schaufelrad der7 anwendbare Schaufel. -
10 den Einsatz eines Schaufelrades in einem Rohr. -
11 eine in ein Rohr einsetzbare Schaufelradkombination.
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1 the arrangement of four blades in a hollow cylinder rotor. -
2 one from the arrangement of the1 and the fitting of the3 formed impeller of a turbine. -
3 a shaped piece formed from two intersecting triangles. -
4th a shaped piece formed from two hollow pyramids. -
5 a shovel. -
6th a shovel equipped with baffles. -
7th a paddle wheel equipped with two intersecting triangles in the upper part and with guide plates in the lower part. -
8th the fitting arrangement of the7th . -
9 one in the paddle wheel of the7th applicable shovel. -
10 the use of a paddle wheel in a pipe. -
11 a paddle wheel combination that can be inserted into a tube.
In dem (hier durchsichtig gezeichneten) Hohlzylinderrotor
Dreiecken
Triangles
Ein anderes Ausführungsbeispiel ist in den
Die Gestaltung eines Schaufelrades dieser Art kann auch ohne die gesondert hergestellten Einbauten
Ein solches mit Schaufeln
Solche Schaufelräder
Durch die geringe Anzahl (gegenüber herkömmlichen Turbinen) der Schaufeln bei dieser Bauart wird erreicht, daß die Strömung in der Mitte des Strömungskanales, die am schnellsten und kraftvollsten fließt, besser genutzt werden kann.The small number of blades (compared to conventional turbines) in this design means that the flow in the middle of the flow channel, which flows fastest and most powerfully, can be better used.
BezugszeichenlisteList of reference symbols
- 11
- HohlzylinderrotorHollow cylinder rotor
- 22
- Schaufelshovel
- 33
- Achseaxis
- 44th
- gekrümmte Außenseitecurved outside
- 55
- InnenkanteInside edge
- 66th
- FormstückFitting
- 77th
- Dreiecktriangle
- 88th
- Kugellagerball-bearing
- 99
- Rohrpipe
- 1010
- Zahnradgear
- 1111
- EnergiewandlerEnergy converter
- 1212th
- SchaufelradPaddle wheel
- 1313th
- LeitblechBaffle
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011012147.1A DE102011012147B4 (en) | 2011-02-24 | 2011-02-24 | turbine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011012147.1A DE102011012147B4 (en) | 2011-02-24 | 2011-02-24 | turbine |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102011012147A1 DE102011012147A1 (en) | 2012-08-30 |
DE102011012147B4 true DE102011012147B4 (en) | 2021-05-06 |
Family
ID=46635091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE102011012147.1A Active DE102011012147B4 (en) | 2011-02-24 | 2011-02-24 | turbine |
Country Status (1)
Country | Link |
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DE (1) | DE102011012147B4 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016200344A1 (en) * | 2015-06-10 | 2016-12-15 | Kurul Recep Turgut | A system to generate electricity from waterflow. |
KR102168770B1 (en) * | 2016-03-22 | 2020-10-22 | 엔티엔 가부시키가이샤 | Aberration and the connection structure of the two male screw shafts used for it and the connection structure of the two shafts |
TR201706299A2 (en) * | 2017-04-28 | 2017-09-21 | Yildiz Suat | INNOVATION IN PRECISION FLAT TURBINES THAT PROVIDE ELECTRICITY FROM FLUID MOVEMENT ENERGY |
US11946441B2 (en) * | 2022-02-10 | 2024-04-02 | Kamil Podhola | Outer turbine system |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1573334A (en) * | 1976-05-06 | 1980-08-20 | Watts J | Submersible power coverter |
WO1983001656A1 (en) * | 1981-10-29 | 1983-05-11 | Lemos, Raymond, H. | Water turbine |
US20050005592A1 (en) * | 2003-07-07 | 2005-01-13 | Fielder William Sheridan | Hollow turbine |
US20050123390A1 (en) * | 2003-12-04 | 2005-06-09 | Lamont John S. | Hydro turbine |
US7091628B1 (en) * | 2004-05-17 | 2006-08-15 | Roger Seth Balt | System for harvesting rotational energy from fluid flow in a pressurized system |
GB2426554A (en) * | 2005-05-26 | 2006-11-29 | Viktor A Jovanovic | Tubular turbine with magnetic bearings |
US20080284174A1 (en) * | 2005-09-30 | 2008-11-20 | Hydro-Industries Tynat Ltd. | Pipeline Deployed Hydroelectric Generator |
EP2568161A1 (en) * | 2011-09-09 | 2013-03-13 | Robert Niederer | Device for generating electrical energy from water power |
-
2011
- 2011-02-24 DE DE102011012147.1A patent/DE102011012147B4/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1573334A (en) * | 1976-05-06 | 1980-08-20 | Watts J | Submersible power coverter |
WO1983001656A1 (en) * | 1981-10-29 | 1983-05-11 | Lemos, Raymond, H. | Water turbine |
US20050005592A1 (en) * | 2003-07-07 | 2005-01-13 | Fielder William Sheridan | Hollow turbine |
US20050123390A1 (en) * | 2003-12-04 | 2005-06-09 | Lamont John S. | Hydro turbine |
US7091628B1 (en) * | 2004-05-17 | 2006-08-15 | Roger Seth Balt | System for harvesting rotational energy from fluid flow in a pressurized system |
GB2426554A (en) * | 2005-05-26 | 2006-11-29 | Viktor A Jovanovic | Tubular turbine with magnetic bearings |
US20080284174A1 (en) * | 2005-09-30 | 2008-11-20 | Hydro-Industries Tynat Ltd. | Pipeline Deployed Hydroelectric Generator |
EP2568161A1 (en) * | 2011-09-09 | 2013-03-13 | Robert Niederer | Device for generating electrical energy from water power |
Also Published As
Publication number | Publication date |
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DE102011012147A1 (en) | 2012-08-30 |
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