WO2013092071A1 - Turbine pelton - Google Patents

Turbine pelton Download PDF

Info

Publication number
WO2013092071A1
WO2013092071A1 PCT/EP2012/073072 EP2012073072W WO2013092071A1 WO 2013092071 A1 WO2013092071 A1 WO 2013092071A1 EP 2012073072 W EP2012073072 W EP 2012073072W WO 2013092071 A1 WO2013092071 A1 WO 2013092071A1
Authority
WO
WIPO (PCT)
Prior art keywords
impeller
guide wall
pelton
axis
pelton 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.)
Ceased
Application number
PCT/EP2012/073072
Other languages
German (de)
English (en)
Inventor
Wolfgang Rohne
Reiner Mack
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.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of WO2013092071A1 publication Critical patent/WO2013092071A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • 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
    • F03B1/00—Engines of impulse type, i.e. turbines with jets of high-velocity liquid impinging on blades or like rotors, e.g. Pelton wheels; Parts or details peculiar thereto
    • F03B1/04—Nozzles; Nozzle-carrying members
    • 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
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/02—Casings
    • 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
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • 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
    • F05B2240/14—Casings, housings, nacelles, gondels or the like, protecting or supporting assemblies there within
    • 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
    • F05B2240/241—Rotors for turbines of impulse type
    • F05B2240/2411—Pelton type
    • 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

Definitions

  • the invention relates to a Pelton turbine with an impeller rotatably mounted about an axis with a plurality of arranged at its periphery Peltonbechern, two or more, at least one orifice having nozzle bodies for discharging a fluid jet to the Peltonbecher and a splash guard, comprising at least one over at least one Part of the axial extent of the impeller and over at least a portion in the circumferential direction around the impeller extending at a distance extending therefrom extending guide wall having at least one wall portion whose course in axial section through a directional component in the radial direction with respect to the axis of rotation of the impeller of this Weggeprofit is writable, wherein the guide wall has openings for receiving the nozzle body.
  • the guide wall is provided with passage openings into which the ejected water jets are injected and passed.
  • the openings provided for this purpose are dimensioned such that contact of the water jets with the wall of the opening to avoid friction losses is avoided.
  • the openings are characterized by large cross-sectional dimensions. However, due to the large cross-sectional dimensions spray water can easily penetrate into them, whereby the specialty practitioner fluid jet is significantly disturbed, which has a negative effect on the efficiency.
  • the invention therefore an object of the invention to develop a Pelton turbine of the type mentioned in such a way that their efficiency is further increased and disturbances caused by splashing water are largely excluded.
  • the solution according to the invention is characterized by the features of claim 1. Advantageous embodiments are described in the subclaims.
  • the guide wall has openings for receiving the nozzle body, characterized in that each nozzle body extends with its mouth at least to the impeller facing inner circumference of the guide wall and the distance between the outer hydraulic diameter of the impeller and the inner circumference of the baffle in the radial direction corresponds to 50% to 300% of the cup width of a single Pe
  • the impeller is rotatably mounted about an axis.
  • the term axis is to be understood as a geometric axis.
  • the directions related to the impeller refer to this axis.
  • the structural design can be varied, are conceivable, for example, but not limited, versions with rotatable mounting on an axis (as a component), fixed arrangement on an axle or journals and drive this.
  • the axial section corresponds to a section in a plane which is characterized by the axis and a perpendicular to it.
  • the axial extent of the impeller is understood to mean the extent of the impeller in the direction of the axis of rotation. This corresponds to the extent transverse to the direction of rotation of the impeller about the axis, in particular axis of rotation.
  • the outer hydraulic diameter corresponds to the diameter defined by the maximum extent of the impeller. This describes the area of the impeller furthest away from the axis in the radial direction or the Pelton cup arranged thereon.
  • the cup width describes the largest axial extent of the inner side of the cup parallel to the axis of rotation.
  • the solution according to the invention allows, on the one hand, the free escape of the fluid, in particular water jet as a free jet from the mouth of the nozzle body in the direction of the Peltonbecher and simultaneously prevents interference of the free jet by the after impact of the fluid, in particular water jet back to the Peltonbecker water and an entry into the, the nozzle body receiving openings.
  • This will be the Improved efficiency over known embodiments, the contact of the exiting fluid, in particular water jet with the soffit of the opening is avoided.
  • the distance between the outer hydraulic diameter of the impeller and the inner circumference of the guide wall 50% to 250% of the cup width of a single Peltonbecher, preferably 50% to 200%, more preferably 75% to 150% of the cup width, very particularly preferred 90% - 1 10% of the cup width.
  • the short distance leads to a better protection against back splashed water and thus increases the operational safety.
  • Another significant advantage is the achievable thereby more compact and cost-effective overall construction.
  • the formation of the baffle can be made in one or more parts. In this case, different configurations are conceivable with respect to the extent of this in the circumferential direction of the impeller and in the axial direction.
  • the individual options in the circumferential direction and axial direction can be combined with each other. When viewed in the circumferential direction, basically two basic shapes are used. According to a first embodiment, this is designed in the circumferential direction as a closed annular unit. The training allows a well-defined assignment of the baffle with respect to the impeller while maintaining a constant distance and easy installation.
  • the single baffle extends in the circumferential direction over an angular range of 60 ° to 255 °, preferably 72 ° to 180 °, more preferably 90 ° to 135 ° to the impeller.
  • the guide wall is designed as a ring segment.
  • the selected extension in the circumferential direction increases the accessibility to the impeller and thus the ease of maintenance while the essential spray water is still retained. Designs are possible with only one guide wall or at least two or more guide walls arranged one behind the other in the circumferential direction. In the latter case, standardized Leitwandikien can be used, which can be arranged variably depending on the application requirement.
  • the individual baffle is formed symmetrically in the axial direction.
  • the symmetrical version offers the advantage of equal boundary conditions in the vicinity of the impeller.
  • the individual guide wall can be designed according to option a) or b) with asymmetrical design in the axial direction.
  • An asymmetrical design of the baffle can optionally be used in vertical machines.
  • the individual guide wall is arranged coaxially to the axis of rotation of the impeller.
  • the extent of the baffle in the axial direction is preferably in a range of 5% to 100% of the cup width over the axial extent of the impeller addition.
  • the guide wall or at least the wall region oriented in the radial direction when viewed in axial section with at least one directional component are formed at least partially or completely preferably according to one of the following possibilities or a combination thereof:
  • the guide wall can form a kind of undercut or at least one receiving space open on one side, in which spray water can be collected in the direction of the impeller.
  • a plurality of nozzle bodies are provided, which are arranged spaced from one another in the circumferential direction about the impeller.
  • the individual nozzle bodies are arranged such that the distance of the mouth of the individual nozzle body to the inner circumference of the guide wall from 0% to 100% of the cup width, preferably 5% to 80% of the cup width, more preferably 20% to 50% of the cup width is and / or the mouth is oriented at an angle of 15 ° to 90 ° relative to the inner circumference of the baffle.
  • a further baffle is additionally arranged radially within a diameter which describes the arrangement of the pelton beakers. By this arrangement, an even better protection of the impeller is achieved.
  • the axis of rotation of the impeller is arranged horizontally or inclined to a horizontal plane.
  • the axis of rotation of the impeller is arranged vertically. Vertical arrangements are particularly advantageous for large unit performances. Here an additional splash protection is achieved.
  • FIG. 1 a illustrates schematically simplified representations of an inventive turbine in an axial section
  • FIG. 1 b illustrates an embodiment of the turbine according to FIG. 1 a in an axially perpendicular section
  • FIGS. 2a and 2b show possible embodiments of the course of a baffle in
  • FIG. 3a to 3c illustrate possible embodiments of
  • FIG. 1 a shows an embodiment of an inventive Pelton turbine 1 in an axial section.
  • FIG. 1b shows an axially perpendicular section.
  • the pelton turbine 1 comprises an impeller 2, arranged in a housing 4 and rotatably mounted about an axis A, with a plurality of pelton cups 3.1 to 3.n, which are arranged on the circumference of the impeller 2.
  • the axis of rotation A is oriented horizontally in the illustrated case.
  • the Impeller 2 is formed symmetrically in the axial direction with respect to a plane E, which is alsspannbar by two mutually perpendicular perpendicular to the axis A, symmetrically.
  • a fluid in particular water jet
  • two or more nozzle bodies 5.1 to 5.n are provided.
  • three such nozzle bodies 5.1 to 5.3 are provided in FIG. 1 b, which are spaced apart from one another in the circumferential direction of the impeller 2, preferably, but not shown here, uniformly spaced from each other.
  • a spray water protection device 8 comprising at least one, over at least a portion of the maximum axial extent I of the impeller 2 and over at least a portion in the circumferential direction about the impeller 2 querraget extending to this Seen in cross section, this has at least one wall region 10, the course of which is characterized by a directional component which is directed away from the impeller 2.
  • the baffle 9 is characterized viewed in the installed position by a minimal radial inner dimension in di- m and a maximum outer dimension as the radially -ma x relative to the axis A characterized.
  • the guide wall 9 in the embodiment of Figure 1 a extends annularly in the circumferential direction of the impeller 2 at a distance a to this.
  • the Guide wall 9 is executed closed in the circumferential direction and symmetrically with respect to a plane E, formed of two mutually perpendicular perpendicular to the axis of rotation A, executed.
  • the guide wall 9 has openings 1 1 .1 to 1 1 .n for receiving the nozzle body 5.1 to 5.n on.
  • Each of the individual nozzle bodies 5.1 to 5.n extends with its mouth 13.1 to 13.n in the radial direction to the impeller 2 directed at least to the inner periphery 14 of the baffle 2, preferably beyond.
  • the single mouth 13.1 to 13 n are aligned with the inner periphery 14 of the baffle 2, i. be arranged flush. According to a particularly advantageous embodiment, this extends beyond the guide wall 9 in the direction of the impeller 2 addition.
  • the fluid in particular water jet, exits the mouth 13.1 to 13.n of the individual nozzle bodies 5.1 to 5.n as free jet F into the intermediate space 15 formed by the objectionable arrangement of guide wall 9 and impeller 2.
  • This distance allows advantageously the free exit of the free jet F in the intermediate space 14 free from interference by splashing.
  • the arrangement of deflectors, not shown here, is possible. These allow a targeted Guiding the single fluid jet F free from an impairment of emerging from the other nozzle bodies 5.1 to 5.n fluid jets.
  • the individual nozzle body 5.1 to 5.n can be guided freely by a mechanical coupling through the guide wall 9 or stored in this or fixedly connected to the respective guide wall 9. It is crucial that the free jet F emerges on the inner circumference 14 or outside thereof from the mouth 13.1 to 13.n of the respective nozzle body 5.1 to 5.n. Also conceivable is the free mounting of the nozzle body 5.1 to 5.n and their integration in the housing. 4
  • FIGS. 2 a and 2 b are highly schematic views of possible further embodiments of the guide wall 9 in the circumferential direction of the impeller 2. Shown in a schematic simplified representation, only the outer hydraulic diameter DA and the guide wall 9 in axial section. Visible is a the impeller 2, illustrated by the outer hydraulic diameter DA, spaced associated and extending over a partial area in the circumferential direction around this guide wall 9. In the illustrated case, the guide wall 9 is designed as a ring segment.
  • FIG. 2 b illustrates an embodiment with a plurality of guide walls 9 a to 9 c arranged around this in the circumferential direction of the impeller 2. These each form ring segments, which in their entirety can form a functional unit.
  • FIGS. 3 a to 3 d illustrate, by way of example, possible embodiments of the cross-sectional geometry at a distance a to the impeller 2 arranged guide wall 9 in FIG Axial section considered.
  • FIG. 3a shows an embodiment with a conical profile, ie the wall region 10 extends outwards in the radial direction in the axial direction.
  • Figure 3b shows an embodiment with a ring segment-shaped, in particular semicircular cross-sectional geometry.
  • FIG. 3c shows a box shape and FIG. 3d shows a combined shape with conical wall area 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)

Abstract

L'invention concerne une turbine Pelton (1) comprenant une roue (2) montée à rotation autour d'un axe (A), pourvue d'une pluralité d'augets Pelton (3.1-3.n) disposés sur son pourtour, deux ou plus de deux corps de buse (5.1-5.n) présentant au moins une embouchure pour éjecter un jet de fluide (F) sur les augets Pelton (3.1-3.n) et un dispositif de protection contre les projections d'eau (8) comprenant au moins une paroi directrice (9, 9.a, 9.b, 9.c) qui s'étend sur au moins une région partielle de l'étendue axiale de la roue (2) et sur au moins une région partielle dans la direction périphérique autour de la roue (2) à distance (a) de celle-ci et qui présente au moins une région (10) dont le tracé, vu en coupe axial, peut être décrit par une composante dans la direction radiale orientée en sens inverse par rapport à l'axe (A) de la roue (2), la paroi directrice (9, 9.a, 9.b, 9.c) présentant des ouvertures (11.1-11.n) pour recevoir les corps de buse (5.1-5.n). L'invention est caractérisée en ce que chaque corps de buse (5.1-5.n) s'étend avec son embouchure (13.1-13.n) au moins jusqu'à la périphérie intérieure (14) de la paroi directrice (9, 9.a, 9.b, 9.c) orientée vers la roue (2) et la distance (a) entre le diamètre hydraulique extérieur (DA) de la roue (2) et la périphérie intérieure (14) de la paroi directrice (9, 9.a, 9.b, 9.c) dans la direction radiale correspond à 50% à 300% de la largeur (b) d'un auget Pelton (3.1-3.n) individuel.
PCT/EP2012/073072 2011-12-19 2012-11-20 Turbine pelton Ceased WO2013092071A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011089069A DE102011089069A1 (de) 2011-12-19 2011-12-19 Peltonturbine
DE102011089069.6 2011-12-19

Publications (1)

Publication Number Publication Date
WO2013092071A1 true WO2013092071A1 (fr) 2013-06-27

Family

ID=47191780

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/073072 Ceased WO2013092071A1 (fr) 2011-12-19 2012-11-20 Turbine pelton

Country Status (2)

Country Link
DE (1) DE102011089069A1 (fr)
WO (1) WO2013092071A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526184A (zh) * 2022-03-18 2022-05-24 喻怀领 一种冲击式水轮机的转轮
CN116771579A (zh) * 2023-08-17 2023-09-19 哈尔滨电机厂有限责任公司 一种切击式水轮机观测转轮原位测量结构
CN121047703A (zh) * 2025-10-10 2025-12-02 长江勘测规划设计研究有限责任公司 冲击式水轮机、水斗以及水斗基座

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015110706A1 (de) * 2015-07-02 2017-01-05 Erich Neumann Vorrichtung und Verfahren zum Erzeugen einer Rotationsbewegung
CN114215673A (zh) * 2022-01-13 2022-03-22 绿创能源有限公司 一种水动力回收系统
DE102022106296A1 (de) * 2022-03-17 2023-09-21 Erlach & Erlach Gmbh Peltonturbine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883426C (de) 1951-03-25 1953-07-16 Voith Gmbh J M Freistrahlturbine
US3399864A (en) * 1966-06-16 1968-09-03 Charmilles Sa Ateliers Pelton turbine of the horizontal shaft type
FR2247920A5 (en) * 1973-10-16 1975-05-09 Le Metallichesky Z Hydraulic turbine with vertical bucket wheel - has additional guide vane to prevent used water impinging on wheel
WO2006066691A1 (fr) 2004-12-17 2006-06-29 Erlach Consult Jec Turbine pelton avec systeme d'evacuation d'eau
WO2008003391A1 (fr) * 2006-07-03 2008-01-10 Erlach Consult Jec Tuyère munie d'un obturateur dans une turbine de pelton ou une turbine tangentielle
WO2011160742A2 (fr) * 2010-06-21 2011-12-29 Voith Patent Gmbh Turbine pelton comprenant un système d'évacuation d'eau

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE883426C (de) 1951-03-25 1953-07-16 Voith Gmbh J M Freistrahlturbine
US3399864A (en) * 1966-06-16 1968-09-03 Charmilles Sa Ateliers Pelton turbine of the horizontal shaft type
FR2247920A5 (en) * 1973-10-16 1975-05-09 Le Metallichesky Z Hydraulic turbine with vertical bucket wheel - has additional guide vane to prevent used water impinging on wheel
WO2006066691A1 (fr) 2004-12-17 2006-06-29 Erlach Consult Jec Turbine pelton avec systeme d'evacuation d'eau
WO2008003391A1 (fr) * 2006-07-03 2008-01-10 Erlach Consult Jec Tuyère munie d'un obturateur dans une turbine de pelton ou une turbine tangentielle
WO2011160742A2 (fr) * 2010-06-21 2011-12-29 Voith Patent Gmbh Turbine pelton comprenant un système d'évacuation d'eau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114526184A (zh) * 2022-03-18 2022-05-24 喻怀领 一种冲击式水轮机的转轮
CN116771579A (zh) * 2023-08-17 2023-09-19 哈尔滨电机厂有限责任公司 一种切击式水轮机观测转轮原位测量结构
CN116771579B (zh) * 2023-08-17 2024-05-10 哈尔滨电机厂有限责任公司 一种切击式水轮机观测转轮原位测量结构
CN121047703A (zh) * 2025-10-10 2025-12-02 长江勘测规划设计研究有限责任公司 冲击式水轮机、水斗以及水斗基座

Also Published As

Publication number Publication date
DE102011089069A1 (de) 2013-06-20

Similar Documents

Publication Publication Date Title
EP2582963B1 (fr) Turbine pelton comprenant un système d'évacuation d'eau
EP0826426B1 (fr) Arroseur
DE69120872T2 (de) Verbesserungen zu den rotierenden Zerstäubern
WO2008068005A1 (fr) Anneau pour guider l'air comprenant une cavité annulaire et cloche correspondante
WO2013092071A1 (fr) Turbine pelton
EP2435190B1 (fr) Rotabuse pour nettoyeur haute pression
DE202010012449U1 (de) Düsenanordnung für eine Spritzpistole, insbesondere für eine Farbspritzpistole
DE10006864B4 (de) Reinigungsdüse
EP2670955B1 (fr) Arbre, tel qu'un arbre à cames comprenant une section creuse
DE10236017B3 (de) Rotationszerstäuberturbine und Rotationszerstäuber
DE102012104771B4 (de) Spritzpistole
DE102011078857A1 (de) Sprühdüse und Verfahren zum Erzeugen wenigstens eines rotierenden Sprühstrahls
EP2251091B1 (fr) Buse de rotor
DE10303617A1 (de) Turbinenrad zum Antrieb schnell rotierender Werkzeuge
DE112017006146T5 (de) Trennbaugruppe mit einer einteiligen impulsturbine
DE102010053134A1 (de) Düsenkopf und Rotationszerstäuber mit einem solchen
DE102014104296A1 (de) Auslassvorrichtung einer Vollmantelschneckenzentrifuge
EP2684499A2 (fr) Dispositif de nettoyage de surfaces
DE202015106402U1 (de) Fluidgetriebener Antrieb und Aktuator
DE102011106086A1 (de) Streugerät
DE102011082702B4 (de) Düsenanordnung, Reinigungsvorrichtung und Verfahren zum Reinigen von innen liegenden Oberflächen von Hohlräumen
EP1502653B1 (fr) Buse de pulvérisation d'un fluide sur une suface
DE102015108556A1 (de) Turbinenanordnung
DE883426C (de) Freistrahlturbine
DE202007005846U1 (de) Flüssigkeitsrichter für eine Rotordüse

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12787747

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 12787747

Country of ref document: EP

Kind code of ref document: A1