WO2012004127A1 - Turbine de tesla et procédé pour faire fonctionner une turbine de tesla - Google Patents

Turbine de tesla et procédé pour faire fonctionner une turbine de tesla Download PDF

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Publication number
WO2012004127A1
WO2012004127A1 PCT/EP2011/060422 EP2011060422W WO2012004127A1 WO 2012004127 A1 WO2012004127 A1 WO 2012004127A1 EP 2011060422 W EP2011060422 W EP 2011060422W WO 2012004127 A1 WO2012004127 A1 WO 2012004127A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
disks
stack
shaft
tesla 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/EP2011/060422
Other languages
German (de)
English (en)
Inventor
Robert Stöcklinger
Gretel Finke
Peter O. Finke
Klaus Zur Nedden
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2012004127A1 publication Critical patent/WO2012004127A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • F01D1/34—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes
    • F01D1/36—Non-positive-displacement machines or engines, e.g. steam turbines characterised by non-bladed rotor, e.g. with drilled holes using fluid friction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/30—Arrangement of components
    • F05D2250/32—Arrangement of components according to their shape
    • F05D2250/322—Arrangement of components according to their shape tangential

Definitions

  • the present invention relates to a Tesla turbine for converting flow energy of a fluid into kinetic energy of a shaft.
  • the Tesla turbine comprises a housing in which a turbine wheel rotating about an axis is provided.
  • the turbine wheel consists of a stack of spaced apart parallel disks, each having a surface on both sides.
  • the housing is associated with an inlet for the fluid so that the incoming fluid impinges on the surface of the discs and causes the stack of discs to rotate about the shaft.
  • the fluid leaves the housing via an outlet.
  • the invention relates to a method for converting the flow energy of a fluid into kinetic energy of a shaft of a Tesla turbine.
  • U.S. Patent Application US 2002/0182054 A1 discloses a Tesla turbine consisting of a plurality of parallel disks. On both sides of the disk stack this is stepped. The individual discs with different diameters are screwed, so that thereby the required gradation arises. Outlets for the working fluid are formed near the axis. The working fluid flows into the housing of the Tesla turbine via a nozzle arranged tangentially to the disks.
  • International Patent Application WO 2009/131477 A2 discloses a device for reducing pressure for a gas or a gas mixture and recovering the pressure power of the gas or the gas mixture.
  • the gas or gas mixture flows through at least one Tesla turbine.
  • the at least one Tesla turbine is associated with at least one pressure inlet line and a flow rate control valve, a flow meter, at least one output pressure line, a flow rate control valve, a flow meter, a safety valve, and a reduced pressure gas output line ,
  • the at least one Tesla turbine operates at least one power generator.
  • US Pat. No. 3,999,377 discloses a Tesla turbine comprising means for cooling the disks. Hot working gas relaxes between the discs and in countercurrent cooling gas is passed. The working gas is supplied to the Tesla turbine via nozzles. Via outlets, which are close to the axes of rotation, the gas is discharged again.
  • New Zealand Patent Application NZ 195478 A discloses a Tesla turbine. In the Tesla turbine shown here fluids of different quality and phases can be used. The fluid flows through an inlet into the spaces formed by the discs. The inlet for the Tesla turbine is arranged tangentially with respect to the disk stack. In the vicinity of the axis outlets are provided, via which the working gas, or working fluid can be removed from the housing of the Tesla turbine. By means of radially arranged and controllable nozzles, it is possible to influence the flow direction and / or the fluid.
  • U.S. Patent Application US 2005/0169743 A1 discloses a Tesla turbine disclosed.
  • the individual disks of the Tesla turbine are mounted on the shaft by means of a dovetail attachment.
  • Each of the discs has a central opening.
  • the fluid stream thereby passes from the inlet along the discs to the central openings of the discs and is transported away from the shaft to an outlet.
  • a cone is provided within the central opening of the discs, which promotes the removal of the fluid in the central openings of the individual discs.
  • the shaft is formed as a hollow shaft, so that the working fluid, which passes from the interstices between the discs to the central opening in the individual discs, is transported through the hollow shaft to an outlet.
  • the hollow shaft communicates with the outlet for the corresponding working fluid.
  • Another object of the present invention is to provide a method of converting fluid flow energy into kinetic energy of a shaft of a Tesla turbine, which method is operated in an energy efficient manner and the efficiency of the Tesla turbine is optimized.
  • the above object is achieved by a method comprising the features of claim 15.
  • the Tesla turbine according to the invention is characterized in that with it the conversion of the flow energy of a fluid into kinetic energy of a wave of the Tesla turbine is possible.
  • a turbine wheel rotating about an axis is arranged on a housing of the Tesla turbine.
  • the turbine wheel is a stack having a plurality of spaced apart parallel disks each having surfaces on both sides.
  • the fluid is supplied tangentially to the stack via an inlet.
  • the incoming fluid impinges on the surfaces of the disks and exits through an outlet from the housing of the Tesla turbine.
  • the stack of disks is formed by the fact that the individual disks are spaced from each other by means of at least three spacer elements.
  • the spacer elements are provided outside the center of rotation of the discs, or of the stack.
  • Each of the disks of the stack has a central opening through which passes the axis of rotation of the Tesla turbine. Through the central opening of the discs, the fluid flows to the outlet and is thus passed out of the housing.
  • the device is designed in such a way that a suction effect can be generated in the outlet for the fluid, which thus improves or promotes the flow of the fluid in the outlet and thus the outflow of the fluid from the housing of the Tesla turbine.
  • the means for generating the suction carries a plurality of turbine blades.
  • the spacer elements are formed optimized flow, so that with respect to a flow direction of the fluid between the discs of the stack, the possible turbulence of the fluid in the region of the spacer elements are reduced.
  • this can be designed as non-contact storage.
  • the non-contact storage may be in the form of air bearings, hydraulic bearings and magentic bearings or be formed.
  • the non-contact bearing is to be designed such that it acts perpendicular to the shaft and in the direction of the axis of the shaft.
  • the method according to the invention for converting the kinetic energy of a fluid into kinetic energy of a shaft of a Tesla turbine is characterized in that a turbine wheel, which is arranged in a housing so as to rotate about an axis and has a stack of spaced-apart parallel disks, tangentially via an inlet a fluid flow is supplied.
  • the fluid flow is supplied via an opening in each case a central opening of the discs of the stack an outlet and thus derived in the axial direction of the housing.
  • the Tesla turbine preferably has an inlet which is designed in the form of a slot nozzle.
  • the slot nozzle is arranged such that the fluid flow hits tangentially on the stack of disks.
  • other nozzle shapes may be provided, such.
  • the discs preferably each have rounded, ie provided with a radius outer edges, so that the inflowing air is not or only slightly swirled there and without much resistance or energy loss in the Gap between the discs arrives. It is also advantageous if the shaft of the Tesla turbine is mounted on one side, flowing.
  • the rolling elements of the bearings are made of a ceramic material.
  • lamellae or turbine blades can be provided, which thus produce a turbo effect or a suction effect, so that the inlet pressure level of the turbine can be about 2 bar, in order nevertheless to achieve a sufficiently large flow rate of the fluid.
  • the Tesla turbine can be operated, for example, with the waste heat, with residual steam or the like and useful supplement existing plants to existing, previously unused flow energy in the interest of maximum energy yield and / or increase overall efficiency and / or improving energy balance to drive a fast-running electrical generator or other converter to use.
  • the effect underlying the invention is based on the adhesion of the fluid flowing past the disc surfaces and the gradual acceleration of the discs of the stack by this adhesion, so that after a certain operating time a very high speed of the Tesla turbine of up to 100,000 revolutions per minute or more can be achieved.
  • Fig. 1 shows a schematic perspective view of an embodiment of a Tesla turbine according to the invention.
  • FIG. 2 shows a plan view of the Tesla turbine according to the invention according to the illustration shown in FIG.
  • Fig. 3 shows a cross-sectional view of the Tesla turbine along the section line III - III shown in Figure 2.
  • FIG. 4 shows a longitudinal sectional view through the Tesla turbine along the section line IV-IV shown in FIG. 2.
  • FIG. 5 shows a plan view of a disk from which the disk stack for the Tesla turbine is constructed, which has a central opening and several Distance elements is provided.
  • Fig. 6 shows a further embodiment of the embodiment of the spacer elements of the discs of a stack.
  • FIG. 7 shows an enlarged view of the area designated B in FIG. 4, wherein the shaft of the Tesla turbine is a solid shaft.
  • FIG. 8 shows an embodiment according to the invention of the enlarged illustration in FIG. 4 with the area B marked, wherein the shaft of the Tesla turbine is designed as a hollow shaft.
  • FIG. 2 shows a plan view of the Tesla turbine 1 according to the invention.
  • the fluid F flows into the housing 2 of the Tesla turbine 1 via the inlet 4.
  • the shaft 8 is arranged opposite the outlet 6. This arrangement of the shaft 8 is referred to as a one-way flying bearing 10, since only on one of the arranged on the shaft 8 discs in the housing 2, a bearing 10 of the shaft 8 is provided.
  • the shaft 8 rotates around the ash A.
  • the fluid F flows along the surface O of the discs 14.
  • the flow path 18 is formed spirally.
  • the inflowing fluid F exits through a central opening 20 in the discs 14 and passes through the central opening 20 to the outlet 6 from the housing 2 of the Tesla turbine first
  • a plurality of spacer elements 22 are also shown, over which the discs 14 of the stack 16 are spaced from each other. It is obvious to a person skilled in the art that the number of spacer elements 22 shown here can not be construed as limiting the invention.
  • the central openings 20 in the discs 14 are aligned in the direction of the axis A of the Tesla turbine 1.
  • FIG. 4 shows the Tesla turbine 1 according to the invention in section along the section line marked IV in FIG.
  • the shaft 8 of the Tesla turbine 1 is cantilevered.
  • the bearing 10 of the shaft 8 is achieved with several rolling bearings 24.
  • the rolling elements 26 of the bearings 24 are formed of a ceramic material.
  • the rolling bearings 24 can withstand the high speeds of the stack 16 of the many discs 14. It is obvious to a person skilled in the art that the rolling elements 26 need not be made exclusively from the ceramic material. It is sufficient if the material of the rolling elements 26 has such a strength that it withstands the forces occurring.
  • the discs 14 of the stack 16 with a plurality of spacers 22 are spaced from each other.
  • each of the disks 14 has a central opening 20.
  • the disks 14 are arranged in the stack 16 such that the central openings 20 are aligned along the axis A of the Tesla turbine 1.
  • the stack 16 of the discs 14 is rotatably connected to the shaft 8.
  • the shaft 8 is a solid component.
  • the fluid flow entering through the inlet 4 passes via the intermediate spaces 14Z between the discs 14 to the respective central openings 20 of the individual discs 14. Via the central openings 20 the fluid flow F reaches the outlet 6.
  • a device 30 can be fixedly attached to the housing at the opposite end of the shaft 8, which exerts a suction effect on the fluid flow F, so that the removal of the fluid F, or ., the flow movement of the fluid F in the gaps 14Z between the discs 14 is supported and that no flow congestion in the Tesla turbine 1 is formed.
  • the shaft 8 is formed as a solid component.
  • the fluid F thus flows exclusively in the direction of the axis A and away from the shaft 8.
  • the device 30 is fixedly connected to the housing 2 at the opposite end of the shaft 8. The device 30 generates a suction effect on the fluid flow F generated.
  • FIG. 8 shows the embodiment of the present invention according to the invention.
  • the shaft 8 is formed as a hollow shaft.
  • the discs 14 of the stack 16 are rotatably connected to the hollow shaft.
  • the discs 14 of the stack 16 are spaced apart by spacers 22 to each other. The best mechanical stability is achieved if at least three elements 22 of the spacing of the individual panes 14 of the stack 16 are spaced from each other.
  • a fastening element (not shown) is guided through the spacer elements 22, via which the stack 16 of the disks 14 is connected in a rotationally fixed manner to the shaft 8.
  • a device 30 may also be provided, which causes a defined flow direction of the fluid F along the axis A.
  • the device 30 is arranged in the hollow shaft such that it is firmly connected to the housing 2.
  • the device 30 has a plurality of blades 32, which thus ensure removal of the fluid F or the flow movement of the fluid F from the intermediate spaces 14Z into the hollow shaft.
  • the hollow shaft itself opens into the outlet (not shown) for the fluid F. In the embodiment shown in Figure 8, the fluid is transported away from the housing 2 to the outlet.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

L'invention concerne une turbine de Tesla (1) conçue pour transformer de l'énergie d'un écoulement en l'énergie mécanique d'un arbre ainsi qu'un procédé correspondant. La roue de turbine est disposée dans un carter (2) de manière à pouvoir tourner autour d'un axe (A) et comporte un empilement (16) de disques parallèles espacés les uns des autres (14) pourvus d'une surface (O) de chaque côté. Le fluide (F) pénètre tangentiellement dans le carter (2), entre les disques (14), sur les surfaces (O) de ces disques (14) par l'intermédiaire d'une admission (4). Ce fluide (F) sort du carter (2) par l'intermédiaire d'une évacuation (6). Ledit fluide (F) s'écoule vers l'évacuation (6) en passant par un espace intermédiaire (14Z) formés par des disques agencés de manière correspondante d'une façon sensiblement centrale le long de l'axe (A) de l'empilement (16) de disques (14) espacés les uns des autres.
PCT/EP2011/060422 2010-07-05 2011-06-22 Turbine de tesla et procédé pour faire fonctionner une turbine de tesla Ceased WO2012004127A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010017733 DE102010017733B4 (de) 2010-07-05 2010-07-05 Tesla-Turbine und Verfahren zur Wandlung von Strömungsenergie eines Fluids in kinetische Energie einer Welle einer Tesla-Turbine
DE102010017733.4 2010-07-05

Publications (1)

Publication Number Publication Date
WO2012004127A1 true WO2012004127A1 (fr) 2012-01-12

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DE (1) DE102010017733B4 (fr)
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194233B2 (en) 2013-02-13 2015-11-24 William W. Cochran Disk turbine using heat pipes
WO2018009995A1 (fr) * 2016-07-15 2018-01-18 Universidade Federal Do Rio Grande Do Sul Système réducteur de pression avec réutilisation énergétique, et utilisation dudit système
CN108868890A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种特斯拉涡轮机及控制方法
CN108868911A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种发电系统及其控制方法
CN108915785A (zh) * 2018-09-13 2018-11-30 至玥腾风科技投资集团有限公司 一种无叶片涡轮机的涡轮盘片
CN109162811A (zh) * 2018-10-25 2019-01-08 至玥腾风科技投资集团有限公司 一种燃气轮机发电机及控制方法
EP3431705A1 (fr) 2017-07-19 2019-01-23 Esquare Lab Ltd Turbine de tesla comportant un distributeur statique
PL422704A1 (pl) * 2017-08-31 2019-03-11 Instytut Maszyn Przepływowych Im. Roberta Szewalskiego Polskiej Akademii Nauk Turbina Tesli dla układów ORC pracujących z czynnikami niskowrzącymi i średniotemperaturowymi
WO2023034159A1 (fr) 2021-09-03 2023-03-09 Tap Energy LLC Système de turbine hydroélectrique et procédé d'utilisation
CN116557916A (zh) * 2023-05-30 2023-08-08 中国科学院广州能源研究所 一种利用特斯拉涡轮实现爆震燃烧室高压起爆的结构
CN116745506A (zh) * 2020-09-28 2023-09-12 恩尔斯卡莱有限责任公司 用于转换热能的设备和方法
CN116857015A (zh) * 2023-07-03 2023-10-10 中国北方发动机研究所 一种利用边界层效应的特斯拉涡轮增压器

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MA40693A (fr) * 2014-06-24 2017-05-02 Amirhossein Eshtiaghi Appareil et procédé d'extraction d'énergie
RU195337U1 (ru) * 2019-07-17 2020-01-23 Общество с ограниченной ответственностью "Научно-производственное предприятие - Техноавтомат" (ООО "НПП-Техноавтомат") Турбинный узел устройства для извлечения кинетической энергии текучей среды
CN119467000B (zh) * 2025-01-14 2025-04-08 江苏交科能源科技发展有限公司 一种无叶片式汽轮机结构及装配方法

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GB186084A (en) 1921-03-24 1922-09-25 Nikola Tesla Improved process of and apparatus for deriving motive power from steam
US3899875A (en) * 1974-01-16 1975-08-19 Robert A Oklejas Gas regeneration tesla-type turbine
US3999377A (en) 1974-01-16 1976-12-28 Oklejas Robert A Tesla-type turbine with alternating spaces on the rotor of cooling air and combustion gases
US4201512A (en) * 1977-08-23 1980-05-06 Cerla N.V. Radially staged drag turbine
NZ195478A (en) 1980-11-06 1984-10-19 C R Possell A turbine for use with"wet"geothermal steam:tesla turbine with variable nozzles
JPH08121101A (ja) * 1994-10-12 1996-05-14 Macleod Malcolm タービン装置
US20020182054A1 (en) 2000-12-14 2002-12-05 Entrican Harold Leo Tesla turbine
US20050169743A1 (en) 2002-10-02 2005-08-04 Centripetal Dynamics, Inc. Method of and apparatus for a multi-stage boundary layer engine and process cell
WO2007022332A2 (fr) * 2005-08-16 2007-02-22 The Boc Group, Inc. Pompe turbomoleculaire a commande de charge statique
WO2009088955A2 (fr) 2007-12-31 2009-07-16 Energenox, Inc. Turbine à effet de couche limite
WO2009131477A2 (fr) 2008-04-21 2009-10-29 Partex Services Portugal - Serviços Para A Indústria Petrolífera, S.A. Equipement de réduction de pression d'un gaz ou d'un mélange de gaz

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GB2226081A (en) * 1988-12-14 1990-06-20 Rolls Royce Plc Fluid friction pump or turbine

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB186084A (en) 1921-03-24 1922-09-25 Nikola Tesla Improved process of and apparatus for deriving motive power from steam
US3899875A (en) * 1974-01-16 1975-08-19 Robert A Oklejas Gas regeneration tesla-type turbine
US3999377A (en) 1974-01-16 1976-12-28 Oklejas Robert A Tesla-type turbine with alternating spaces on the rotor of cooling air and combustion gases
US4201512A (en) * 1977-08-23 1980-05-06 Cerla N.V. Radially staged drag turbine
NZ195478A (en) 1980-11-06 1984-10-19 C R Possell A turbine for use with"wet"geothermal steam:tesla turbine with variable nozzles
JPH08121101A (ja) * 1994-10-12 1996-05-14 Macleod Malcolm タービン装置
US20020182054A1 (en) 2000-12-14 2002-12-05 Entrican Harold Leo Tesla turbine
US20050169743A1 (en) 2002-10-02 2005-08-04 Centripetal Dynamics, Inc. Method of and apparatus for a multi-stage boundary layer engine and process cell
WO2007022332A2 (fr) * 2005-08-16 2007-02-22 The Boc Group, Inc. Pompe turbomoleculaire a commande de charge statique
WO2009088955A2 (fr) 2007-12-31 2009-07-16 Energenox, Inc. Turbine à effet de couche limite
WO2009131477A2 (fr) 2008-04-21 2009-10-29 Partex Services Portugal - Serviços Para A Indústria Petrolífera, S.A. Equipement de réduction de pression d'un gaz ou d'un mélange de gaz

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9194233B2 (en) 2013-02-13 2015-11-24 William W. Cochran Disk turbine using heat pipes
WO2018009995A1 (fr) * 2016-07-15 2018-01-18 Universidade Federal Do Rio Grande Do Sul Système réducteur de pression avec réutilisation énergétique, et utilisation dudit système
US11346223B2 (en) 2017-07-19 2022-05-31 Esquare Lab Ltd Disc turbine with static distributor
EP3431705A1 (fr) 2017-07-19 2019-01-23 Esquare Lab Ltd Turbine de tesla comportant un distributeur statique
WO2019016302A1 (fr) 2017-07-19 2019-01-24 Esquare Lab Ltd Turbine à disque dotée d'un distributeur statique
PL422704A1 (pl) * 2017-08-31 2019-03-11 Instytut Maszyn Przepływowych Im. Roberta Szewalskiego Polskiej Akademii Nauk Turbina Tesli dla układów ORC pracujących z czynnikami niskowrzącymi i średniotemperaturowymi
CN108868890A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种特斯拉涡轮机及控制方法
CN108868911A (zh) * 2018-01-12 2018-11-23 至玥腾风科技投资集团有限公司 一种发电系统及其控制方法
CN108868911B (zh) * 2018-01-12 2024-03-19 刘慕华 一种发电系统及其控制方法
CN108915785A (zh) * 2018-09-13 2018-11-30 至玥腾风科技投资集团有限公司 一种无叶片涡轮机的涡轮盘片
CN109162811A (zh) * 2018-10-25 2019-01-08 至玥腾风科技投资集团有限公司 一种燃气轮机发电机及控制方法
CN116745506A (zh) * 2020-09-28 2023-09-12 恩尔斯卡莱有限责任公司 用于转换热能的设备和方法
WO2023034159A1 (fr) 2021-09-03 2023-03-09 Tap Energy LLC Système de turbine hydroélectrique et procédé d'utilisation
US11788502B2 (en) 2021-09-03 2023-10-17 Tap Energy LLC Hydroelectric turbine system and method of use
US12241447B2 (en) 2021-09-03 2025-03-04 Tap Energy LLC Fluid turbine system and method of use
US12618390B2 (en) 2021-09-03 2026-05-05 Tap Energy LLC Fluid turbine system and method of use
CN116557916A (zh) * 2023-05-30 2023-08-08 中国科学院广州能源研究所 一种利用特斯拉涡轮实现爆震燃烧室高压起爆的结构
CN116857015A (zh) * 2023-07-03 2023-10-10 中国北方发动机研究所 一种利用边界层效应的特斯拉涡轮增压器

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DE102010017733A1 (de) 2012-01-05

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