WO2017104916A1 - 반작용식 스팀 터빈 - Google Patents
반작용식 스팀 터빈 Download PDFInfo
- Publication number
- WO2017104916A1 WO2017104916A1 PCT/KR2016/005228 KR2016005228W WO2017104916A1 WO 2017104916 A1 WO2017104916 A1 WO 2017104916A1 KR 2016005228 W KR2016005228 W KR 2016005228W WO 2017104916 A1 WO2017104916 A1 WO 2017104916A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steam
- turbine
- housing
- reaction
- disk
- Prior art date
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Classifications
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- 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
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/06—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines traversed by the working-fluid substantially radially
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- 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
- F01D1/02—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines
- F01D1/12—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines with repeated action on same blade ring
- F01D1/14—Non-positive-displacement machines or engines, e.g. steam turbines with stationary working-fluid guiding means and bladed or like rotor, e.g. multi-bladed impulse steam turbines with repeated action on same blade ring traversed by the working-fluid substantially radially
-
- 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
- F01D1/32—Non-positive-displacement machines or engines, e.g. steam turbines with pressure velocity transformation exclusively in rotor, e.g. the rotor rotating under the influence of jets issuing from the rotor, e.g. Heron turbines
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- 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
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
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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
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/40—Flow geometry or direction
- F05D2210/43—Radial inlet and axial outlet
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/24—Rotors for turbines
- F05D2240/242—Rotors for turbines of reaction type
-
- 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
- F05D2250/50—Inlet or outlet
- F05D2250/51—Inlet
Definitions
- the present invention relates to a reaction steam turbine, and more particularly, to a reaction steam turbine that prevents steam eddy in the housing and maximizes energy output by reducing initial rotational load of the turbine shaft.
- Reaction steam turbine is a turbine suitable for small and medium-capacity prime mover because the structure is simple and high thermal efficiency is obtained by the reaction of the discharged steam energy.
- Korean Patent Publication No. 10-2012-47709 published date: May 14, 2012
- Korean Patent Publication No. 10-2013-42250 published date: April 26, 2013
- Republic of Korea Patent Registration No. 10-1229575 The turbine devices disclosed in (Registration Date: Jan. 29, 2013) are all embodiments of the reaction turbine device.
- FIG. 1 is a perspective view showing a portion of a reaction steam turbine according to the prior art
- Figure 2 is a front sectional view of the reaction steam turbine.
- the steam turbine includes a housing 10, a turbine shaft 20 rotatably supported within the housing 10 to the housing 10, and a turbine 10 embedded in the housing 10.
- the disk blade 30 is integrally rotated with the shaft 20 and arranged in parallel along the longitudinal direction of the turbine shaft 20.
- the steam inlet tube 11 and the steam outlet tube 12 are formed in the housing 10, respectively, and the steam injected into the steam inlet tube 11 passes through the plurality of disk blades 30, respectively, and the disk blades 30. Rotate to drive the turbine shaft 20 is rotated and discharged to the steam outlet (12).
- each disk blade 30 is formed with a nozzle hole 31 and an inlet hole 32 as shown in FIG. 2, and the steam introduced into the inlet hole 32 is discharged while being discharged to the nozzle hole 31.
- the disk blade 30 is rotated by the reaction of the vapor.
- the steam discharged from the nozzle hole 31 of one disk blade 30 enters the inlet hole 32 of the other disk blade 30 adjacent to all the disk blades by rotating the disk blade 30 in the same principle ( 30 is rotated in response to the steam, thereby rotating the turbine shaft 20 connected to the plurality of disk blades 30 to perform power generation.
- the steam injected through the steam inlet pipe 11 flows into the turbine inlet 13, and then turns to the right side in the drawing to face the inlet hole 32 of the disk blade 30.
- the steam introduced through the steam inlet 13 is not directed to the disk blade 30 on the turbine inlet 13, as shown in FIG.
- an object of the present invention is to install a guide blade on the turbine shaft located on the turbine inlet so that the steam introduced through the turbine inlet can be automatically guided to the disk blade side.
- the aim is to provide a reactive steam turbine that prevents steam eddy and maximizes turbine shaft output.
- one side and the other side, respectively, the steam inlet pipe and the steam discharge pipe is formed, respectively, a space formed in the housing; installed across the space portion of the housing, a plurality of disk blades around Turbine shaft with:
- a reaction steam turbine comprising: a guide blade for guiding the steam introduced into the space portion of the housing through the steam inlet pipe to the disk blade in the turbine shaft between the steam inlet pipe and the disk blades; It provides a reaction steam turbine characterized in that the shaft is coupled.
- the guide wings are installed in plurality along the circumference of the turbine shaft, it is preferable to have a drag surface facing the steam introduced through the steam injection pipe.
- one end of the guide blade is preferably formed to be bent round toward the steam inlet pipe so that the flow of steam to the disk blade side only.
- the space portion of the housing is composed of a turbine inlet which is in direct communication with the conduit of the steam inlet pipe, and a turbine space provided on one side of the turbine inlet, the turbine shaft with a plurality of disk blades is disposed perpendicular to the steam inlet pipe.
- the guide vanes are axially coupled to the turbine shaft at the site located at the turbine inlet.
- the reaction steam turbine according to the present invention has the following effects.
- a guide blade for guiding the steam introduced from the steam inlet pipe to the disk blade is provided to prevent the steam eddy phenomenon.
- the direction of the steam flowing from the steam inlet pipe to the turbine inlet can be converted directly to the disk blade by the guide blades, so that it can be introduced toward the disk blade without staying on the turbine inlet, so that the steam eddy by the vortex The phenomenon can be prevented.
- the turbine shaft can be rotated primarily by applying pressure to the guide blades by using the initial steam pressure that flows straight from the steam inlet pipe, the load of the turbine shaft main rotation through the disk blade rotation can be reduced later. will be.
- the guide blade has an effect of increasing the turbine shaft rotational output by forming a drag surface facing the direction in which the steam flows.
- the guide blade is configured to be rotated through the drag of steam, thereby maximizing the rotational output of the turbine shaft.
- FIG. 2 is a partial cross-sectional view showing the steam flow through a disk blade of a reaction steam turbine according to the prior art.
- FIG. 3 is a view schematically showing a state in which a steam eddy phenomenon occurs in the reaction steam turbine according to the prior art
- FIG 4 shows an interior of a reaction steam turbine according to a preferred embodiment of the present invention.
- Figure 5 is an enlarged perspective view of the guide blade of the reaction steam turbine according to a preferred embodiment of the present invention
- FIG. 6 is a view schematically showing a state in which steam is introduced into the reaction steam turbine according to a preferred embodiment of the present invention.
- the reaction steam turbine has a technical feature of installing a guide blade on the turbine shaft that can change the direction of the steam flowing straight to the disk blade side.
- the reaction steam turbine includes a housing 100, a turbine shaft 200, a disk blade 300, and a guide blade 400.
- the housing 100 provides a space in which the disk blade 300 is rotated by the reaction force of the steam, and the steam inlet pipe 110 and the steam discharge pipe 120 are formed at one side and the other side, respectively.
- the steam inlet pipe 110 forms a pipeline through which steam enters the housing 100
- the steam discharge pipe 120 forms a pipeline through which the steam introduced into the housing 100 exits through the disk blade 300.
- the space 130 is composed of a turbine inlet 131 and a turbine space 132.
- the turbine inlet 131 constitutes an inlet space through which the steam introduced through the steam inlet pipe 110 is moved to the turbine space 132.
- the turbine inlet 131 communicates with a space communicating with the pipeline of the steam inlet pipe 110 in a straight line.
- the turbine space 132 provides a space in which the disk blade 300 is installed and the disk blade 300 rotates, and is formed at one side of the turbine inlet 131.
- one side of the turbine inlet 131 refers to a position in the direction perpendicular to the pipeline of the steam inlet pipe 110, as shown in FIG.
- turbine space 132 is formed to communicate with the pipeline of the steam discharge pipe (120).
- the turbine shaft 200 provides a power generation output while being rotated by the rotational force of the disk blade 300 and the guide blade 400, it is installed inside the housing 100.
- the turbine shaft 200 is installed across the turbine inlet 131 and the turbine space 132 of the housing 100, as shown in FIG.
- the disk blade 300 provides power for rotating the turbine shaft 200, the reaction generated while the steam introduced through the steam inlet pipe 110 enters the inside and outside of the disk blade 300. While rotating by the force generates a power to rotate the turbine shaft 200.
- a plurality of disk blades 300 are installed in the longitudinal direction of the turbine shaft 200 and are located in the turbine space 132 of the housing 100.
- the disk blade 300 is formed in a circular shape, the inlet hole in which the steam flows in and the nozzle hole in which the steam escapes are formed, the configuration of the disk blade 300 is the same as the prior art described above.
- the guide blade 400 serves to change the traveling direction of the steam introduced through the steam inlet pipe 110 to the turbine space 132, it is located in the turbine inlet 131.
- the guide blade 400 serves to send steam to the turbine space 132 on one side of the turbine inlet 131 through the steam inlet pipe 110 to interfere with the steam going straight to the turbine inlet 131.
- Guide blade 400 is coupled to the turbine shaft 200 located at the turbine inlet 131, as shown in FIG.
- Guide blade 400 is composed of a coupling portion 410 axially coupled to the turbine shaft 200, and a drag surface 420 provided in plurality along the circumference of the coupling portion 410.
- Coupling portion 410 is a shaft coupled to the turbine shaft 200, and is configured in a cylindrical shape having an inner diameter corresponding to the diameter of the turbine shaft 200.
- the drag surface 420 faces the steam introduced into the turbine inlet 131 through the steam inlet pipe 110, and guides the steam to the turbine space 132.
- the guide blade 400 is formed to have a drag surface 420 facing the direction in which the steam proceeds, thereby maximizing the effect of rotating the turbine shaft 200 using the pressure of steam,
- the disk blade 300 serves to change the direction of the steam to the turbine space 132 is located.
- the drag surface 420 is formed in plurality along the circumference of the coupling portion 410.
- the drag surface 420 is composed of a bent portion 421 and a straight portion 422 as shown in FIG.
- the bent portion 421 redirects the steam introduced into the turbine inlet 131 to the straight portion 422 and constitutes one side of the drag surface 420.
- one side of the drag surface 420 refers to the opposite side of the turbine space 132 where the disk blade 300 is located, the bent portion 421 is bent in the direction in which the steam flows.
- the steam introduced into the turbine inlet 131 is guided to the bent portion 421 to always face the turbine space 132.
- the bent portion 421 of the drag surface 420 is preferably formed to be round.
- the straight portion 422 guides the steam guided by the bent portion 421 to the turbine space 132 as it is, and constitutes the other side of the drag surface 420.
- Steam is supplied through the steam inlet pipe 110, and the steam is pumped straight to the turbine inlet 131 through the pipeline of the steam inlet pipe 110.
- the drag surface 420 of the guide blade 400 guides the steam to the turbine space 132 to change the direction of the steam, and rotate under the pressure of the steam.
- the steam introduced into the steam inlet pipe 110 also serves to rotate the turbine shaft 200 primarily by applying pressure to the guide blade 400.
- the initial load for the turbine shaft 200 rotation can be reduced, and thus the energy efficiency for the turbine shaft 200 rotation can be increased.
- the steam introduced through the steam inlet pipe 110 continuously pressurizes the drag surface 420 of the guide blade 400 to rotate the turbine shaft 200, and at the same time, the disk installed in the turbine space 132. It is introduced into the inlet hole of the blade 300.
- the steam rotates the disk blade 300 while entering and exiting the plurality of disk blades 300, thereby performing the second main rotation of the turbine shaft 200.
- the reaction steam turbine according to the present invention has a technical feature in which the guide blade 400 is axially coupled to the turbine shaft 200 located at the turbine inlet 131.
- the turbine shaft can be rotated primarily through the rotation of the guide blades by using the pressure of steam introduced into the housing, it is possible to reduce the load during the main rotation of the turbine shaft through the rotation of the disk blades, thereby increasing energy efficiency for the turbine shaft rotation. do.
- turbine inlet 132 turbine space
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (4)
- 일측과 타측에는 각각 증기 유입관 및 증기 배출관이 각각 형성되며, 내부에는 공간부가 형성된 하우징;상기 하우징의 공간부를 가로질러 설치되며, 둘레에는 복수의 디스크 블레이드가 설치된 터빈축:을 포함하여 구성된 반작용식 스팀 터빈에 있어서,상기 증기 유입관의 관로와 디스크 블레이드 사이의 터빈축에는 증기 유입관을 통해 하우징의 공간부로 유입된 증기를 디스크 블레이드로 가이드 하는 가이드 날개가 축 결합된 것을 특징으로 하는 반작용식 스팀 터빈.
- 제 1항에 있어서,상기 가이드날개는 터빈축의 둘레를 따라 복수로 설치되며, 증기 주입관을 통해 유입된 증기에 대향하는 항력면을 갖도록 설치된 것을 특징으로 하는 반작용식 스팀터빈.
- 제 2항에 있어서,상기 가이드 날개의 일단부는, 증기의 흐름이 디스크 블레이드측 만을 향하도록 증기유입관을 향해 라운드지게 절곡 형성된 것을 특징으로 하는 반작용식 스팀 터빈.
- 제 1항 내지 제 3항 중 어느 한 항에 있어서,상기 하우징의 공간부는,증기 유입관의 관로와 일직선으로 통하는 터빈 입구와, 터빈 입구의 일측에 마련되되 복수의 디스크 블레이드가 설치된 터빈축이 증기 유입관에 수직하게 배치된 터빈 공간으로 구성되며,상기 가이드 날개는 터빈 입구에 위치된 부위의 터빈축에 축 결합된 것을 특징으로 하는 반작용식 스팀 터빈.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680072886.8A CN108368741A (zh) | 2015-12-15 | 2016-05-18 | 反作用式蒸汽涡轮机 |
EP16875858.9A EP3392456A4 (en) | 2015-12-15 | 2016-05-18 | STEAM TURBINE OF THE REACTION TYPE |
JP2018526082A JP2018534478A (ja) | 2015-12-15 | 2016-05-18 | 反作用式スチームタービン |
US16/008,301 US20180291741A1 (en) | 2015-12-15 | 2018-06-14 | Reaction-type steam turbine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR20150179105 | 2015-12-15 | ||
KR10-2015-0179105 | 2015-12-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/008,301 Continuation US20180291741A1 (en) | 2015-12-15 | 2018-06-14 | Reaction-type steam turbine |
Publications (1)
Publication Number | Publication Date |
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WO2017104916A1 true WO2017104916A1 (ko) | 2017-06-22 |
Family
ID=59056988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2016/005228 WO2017104916A1 (ko) | 2015-12-15 | 2016-05-18 | 반작용식 스팀 터빈 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20180291741A1 (ko) |
EP (1) | EP3392456A4 (ko) |
JP (1) | JP2018534478A (ko) |
CN (1) | CN108368741A (ko) |
WO (1) | WO2017104916A1 (ko) |
Citations (7)
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KR20120047709A (ko) | 2010-11-04 | 2012-05-14 | 주식회사 에이치케이터빈 | 반작용식 터빈 |
KR20120064844A (ko) * | 2010-12-10 | 2012-06-20 | 황기호 | 수직형 초 동력 고효율 복합 터빈 엔진 |
KR101229575B1 (ko) | 2011-10-05 | 2013-02-05 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 및 이의 제조방법 |
KR20130042250A (ko) | 2011-10-18 | 2013-04-26 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 |
KR20130061781A (ko) * | 2011-12-02 | 2013-06-12 | 강기선 | 증기 터빈 발전기 |
US20140234094A1 (en) * | 2011-11-03 | 2014-08-21 | Duerr Cyplan Ltd. | Turbomachines having guide ducts |
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RU2673431C2 (ru) * | 2013-08-05 | 2018-11-26 | Сергей Константинович Исаев | Способ получения механической энергии, однопоточная и двухпоточная реактивные турбины и турбореактивная установка для его реализации |
KR101418345B1 (ko) * | 2013-09-27 | 2014-07-10 | 최혁선 | 축류형 다단 터빈의 구조 |
KR101644924B1 (ko) * | 2015-07-10 | 2016-08-03 | 포스코에너지 주식회사 | 반작용식 스팀 터빈 |
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2016
- 2016-05-18 JP JP2018526082A patent/JP2018534478A/ja active Pending
- 2016-05-18 CN CN201680072886.8A patent/CN108368741A/zh active Pending
- 2016-05-18 EP EP16875858.9A patent/EP3392456A4/en not_active Withdrawn
- 2016-05-18 WO PCT/KR2016/005228 patent/WO2017104916A1/ko active Application Filing
-
2018
- 2018-06-14 US US16/008,301 patent/US20180291741A1/en not_active Abandoned
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KR20120047709A (ko) | 2010-11-04 | 2012-05-14 | 주식회사 에이치케이터빈 | 반작용식 터빈 |
KR20120064844A (ko) * | 2010-12-10 | 2012-06-20 | 황기호 | 수직형 초 동력 고효율 복합 터빈 엔진 |
KR101229575B1 (ko) | 2011-10-05 | 2013-02-05 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 및 이의 제조방법 |
KR20130042250A (ko) | 2011-10-18 | 2013-04-26 | 주식회사 에이치케이터빈 | 반작용식 터빈장치 |
US20140234094A1 (en) * | 2011-11-03 | 2014-08-21 | Duerr Cyplan Ltd. | Turbomachines having guide ducts |
KR20130061781A (ko) * | 2011-12-02 | 2013-06-12 | 강기선 | 증기 터빈 발전기 |
JP3199309U (ja) * | 2015-06-05 | 2015-08-13 | 三井造船マシナリー・サービス株式会社 | ラジアルアウトフロータービン及びこれを用いた熱電併給システム |
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Title |
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See also references of EP3392456A4 |
Also Published As
Publication number | Publication date |
---|---|
EP3392456A1 (en) | 2018-10-24 |
EP3392456A4 (en) | 2019-08-14 |
CN108368741A (zh) | 2018-08-03 |
US20180291741A1 (en) | 2018-10-11 |
JP2018534478A (ja) | 2018-11-22 |
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