US20180291741A1 - Reaction-type steam turbine - Google Patents

Reaction-type steam turbine Download PDF

Info

Publication number
US20180291741A1
US20180291741A1 US16/008,301 US201816008301A US2018291741A1 US 20180291741 A1 US20180291741 A1 US 20180291741A1 US 201816008301 A US201816008301 A US 201816008301A US 2018291741 A1 US2018291741 A1 US 2018291741A1
Authority
US
United States
Prior art keywords
turbine
steam
disk blades
inlet tube
blade assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US16/008,301
Other languages
English (en)
Inventor
Jeajun Lee
Sanghoon Lee
Sung Keun OH
Sangmyeong Lee
Juchang Lim
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.)
Posco Energy Co Ltd
Original Assignee
Posco Energy Co Ltd
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 Posco Energy Co Ltd filed Critical Posco Energy Co Ltd
Assigned to POSCO ENERGY CO., LTD. reassignment POSCO ENERGY CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, Jeajun, LEE, SANGHOON, LEE, Sangmyeong, LIM, Juchang, OH, SUNG KEUN
Publication of US20180291741A1 publication Critical patent/US20180291741A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • F01D1/02—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
    • 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
    • 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
    • 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 generally to a reaction-type steam turbine and, more particularly, to a reaction-type steam turbine capable of removing a vortex phenomenon in a housing, and maximizing energy output by reducing an initial load against a rotation of a turbine shaft.
  • reaction-type steam turbine is a machine suitable for medium and small capacity prime movers because it obtains rotational energy from reaction of steam energy being discharged, and has a simple structure and high thermal efficiency.
  • Korean Patent Application Publication No. 10-2012-0047709 published on May 14, 2012
  • Korean Patent Application Publication No. 10-2013-0042250 published on Apr. 26, 2013
  • Korean Patent No. 10-1229575 registered on Jan. 29, 2013
  • FIG. 1 is a perspective view showing a part of a reaction-type steam turbine according to the related art
  • FIG. 2 is a front cross-sectional view showing the reaction-type steam turbine.
  • the steam turbine includes a housing 10 , a turbine shaft 20 rotatably supported by the housing 10 in the housing 10 , and a plurality of disk blades 30 installed in the housing 10 and integrally rotating with the turbine shaft 20 , the disk blades being arranged in parallel along the lengthwise direction of the turbine shaft 20 .
  • the housing 10 is provided with a steam inlet tube 11 and a steam outlet tube 12 , and steam introduced through the steam inlet tube 11 rotates the plurality of disk blades 30 while sequentially passing through the disk blades 30 to drive the turbine shaft 20 , and then is discharged through the steam outlet 12 .
  • each of the disk blades 30 is provided with a nozzle hole 31 and an inlet hole 32 , such that when steam introduced into the inlet hole 32 is discharged to the nozzle hole 31 , the disk blade 30 is rotated by reaction of the discharged steam.
  • the steam discharged from the nozzle hole 31 of each disk blade 30 enters the inlet hole 32 of the adjacent disk blade 30 , thereby rotating the disk blade 30 .
  • all the disk blades 30 are rotated due to reaction of the steam, thereby rotating the turbine shaft 20 connected to the plurality of disk blades 30 to perform power generation.
  • the steam introduced through the steam inlet tube 11 is introduced into a turbine entrance 13 and then must be diverted toward the inlet hole 32 of the disk blade 30 (toward the right side in the drawing).
  • the steam introduced through the steam inlet tube 11 may fail to be diverted to the disk blades 30 from the turbine entrance 13 , and thus as shown in FIG. 3 , a vortex phenomenon occurs due to steam that swirls in the turbine entrance 13 .
  • an object of the present invention is to provide a reaction-type steam turbine, in which a guide blade assembly is installed on a turbine shaft at a position where a turbine entrance is provided such that steam introduced through the turbine entrance is automatically guided to disk blades, thereby removing a vortex phenomenon and maximizing the output of the turbine shaft.
  • the present invention provides a reaction-type steam turbine, including: a housing provided at a first side thereof with a steam inlet tube and at a second side thereof with a steam outlet tube, the housing having a space formed therein; and a turbine shaft provided to pass through the space of the housing, with a plurality of disk blades fitted over the turbine shaft, wherein a guide blade assembly is coupled to the turbine shaft at a position between a duct of the steam inlet tube and the disk blades, the guide blade assembly guiding steam introduced through steam inlet tube into the space of the housing toward the disk blades.
  • the guide blade assembly may be provided with a plurality of drag blades radially arranged along a circumference of the turbine shaft, and facing the steam introduced through the steam inlet tube.
  • Each of the drag blades of the guide blade assembly may be formed such that an end of each drag blade is bent toward the steam inlet tube in a curved shape, such that a flow of the steam is guided to flow only toward the disk blades.
  • the space of the housing may include: a turbine entrance directly connected to the duct of the steam inlet; and turbine spaces provided at a side of the turbine entrance, and arranged such that the turbine shaft having the plurality of disk blades is placed perpendicular to the steam inlet tube, and the guide blade assembly is coupled to the turbine shaft at a position where the turbine entrance is provided.
  • the reaction-type steam turbine according to the present invention has the following effects.
  • the turbine shaft can be rotated firstly by the rotation of the guide blade assembly prior to rotation of the disk blades by the steam inflow, it is possible to reduce the load required to initially start the turbine shaft.
  • the turbine shaft can be rotated firstly by pressure applied to the guide blade assembly due to the pressure-feeding force of steam initially introduced straight from the steam inlet tube, it is possible to reduce the load required when the turbine shaft is secondarily and earnestly rotated by the rotation of the disk blades.
  • the rotational force of the turbine shaft is increased by using the pressure-feeding force of the steam that rotates the guide blade assembly, the rotational force of the turbine shaft can be doubled in comparison with the rotational force of the turbine shaft that is rotated only by the reaction force of the disk blades in the related art.
  • the guide blade assembly is provided with the drag blades that face the direction in which steam is introduced, it is possible to increase the rotational output of the turbine shaft.
  • the guide blade assembly is structured to rotate through drag of the steam, the rotational output of the turbine shaft can be maximized.
  • FIG. 1 is a view showing an inside of a reaction-type steam turbine according to the related art
  • FIG. 2 is a partial cross-sectional view showing steam flow through disk blades of the reaction-type steam turbine according to the related art
  • FIG. 3 is a schematic view showing a state in which a vortex phenomenon occurs in the reaction-type steam turbine according to the related art
  • FIG. 4 is a view showing an inside of a reaction-type steam turbine according to a preferred embodiment of the present invention.
  • FIG. 5 is an enlarged perspective view showing guide blade assembly of the reaction-type steam turbine according to the preferred embodiment of the present invention.
  • FIG. 6 is a schematic view showing a state in which steam is introduced into the reaction-type steam turbine according to the preferred embodiment of the present invention.
  • the reaction-type steam turbine has a technical feature wherein a turbine shaft is provided with a guide blade assembly whereby a direction of steam being introduced straight can be diverted to disk blades.
  • the reaction-type steam turbine includes a housing 100 , a turbine shaft 200 , disk blades 300 , and a guide blade assembly 400 .
  • the housing 100 provides a space in which the disk blades 300 are rotated by a reaction force of steam, and is provided at a first side thereof with a steam inlet tube 110 and at a second side thereof with a steam outlet tube 120 .
  • the steam inlet tube 110 forms a duct through which steam is introduced into the housing 100
  • the steam outlet tube 120 forms a duct through which the steam introduced into the housing 100 is discharged from the disk blades 300 .
  • the housing 100 is provided therein with a space 130 in which the turbine shaft 200 and the disk blades 300 are installed.
  • the space 130 includes a turbine entrance 131 and turbine spaces 132 .
  • the turbine entrance 131 defines an entrance space through which steam introduced through the steam inlet tube 110 passes before it is transferred to the turbine spaces 132 , thereby forming a space directly connected to the duct of the steam inlet tube 110 in a straight line.
  • the turbine spaces 132 provide spaces in which the disk blades 300 are installed and the disk blades 300 are rotated, and are provided at a side of the turbine entrance 131 .
  • the side of the turbine entrance 131 refers to a side perpendicular to the duct of the steam inlet tube 110 .
  • turbine spaces 132 are structured to be connected to the duct of the steam outlet tube 120 .
  • the turbine shaft 200 is rotated by the rotational force of both the disk blades 300 and the guide blade assembly 400 to provide a power output, and is installed inside the housing 100 .
  • the turbine shaft 200 is installed to pass through the turbine entrance 131 and the turbine spaces 132 of the housing 100 .
  • the disk blades 300 serve to provide power for rotating the turbine shaft 200 .
  • the disk blades are rotated by the reaction force generated when steam introduced through the steam inlet tube 110 flows in and out of the disk blades 300 , thereby generating power for rotating the turbine shaft 200 .
  • a plurality of disk blades 300 are fitted over the turbine shaft 200 along the axis of the shaft, and the disk blades are placed in the respective turbine spaces 132 of the housing 100 .
  • the disk blades 300 are formed in a circular shape, and each of the disk blades is provided with an inlet hole through which steam is introduced and a nozzle hole through which steam is discharged. This structure of the disk blades 300 remains the same as that of the related art described above.
  • the guide blade assembly 400 serve to divert a flowing direction of steam introduced through the steam inlet tube 110 to the turbine spaces 132 , and is placed in the turbine entrance 131 .
  • the guide blade assembly 400 serves to interfere with steam introduced straight to the turbine entrance 131 through the steam inlet tube 110 and to transfer the steam to the turbine spaces 132 placed at the side of the turbine entrance 131 .
  • the guide blade assembly 400 is coupled to the turbine shaft 200 at a position where the turbine entrance 131 is provided.
  • the configuration of the guide blade assembly 400 will be described in detail with reference to FIG. 5 .
  • the guide blade assembly 400 includes a blade hub 410 that is coupled to the turbine shaft 200 and a plurality of drag blades 420 that are radially arranged along the circumference of the blade hub 410 .
  • the blade hub 410 is structured to be coupled to the turbine shaft 200 , and has a cylindrical shape having an inner diameter corresponding to a diameter of the turbine shaft 200 .
  • the drag blades 420 are configured to face steam introduced into the turbine entrance 131 through the steam inlet tube 110 , and serve to guide the steam to the turbine spaces 132 .
  • the guide blade assembly 400 is structured such that the drag blades 420 face the flowing direction of steam, thereby maximizing the effect of rotating the turbine shaft 200 due to the pressure of steam, and also serves to divert the flowing direction of steam to the turbine spaces 132 where the disk blades 300 are placed.
  • a rotation of the guide blade assembly 400 is generated by drag of steam, so that a rotational output of the turbine shaft 200 can be maximized.
  • the plurality of drag blades 420 is radially arranged along the circumference of the blade hub 410 .
  • each of the drag blades 420 includes a bent portion 421 and a straight portion 422 .
  • the bent portion 421 serves to divert steam introduced into the turbine entrance 131 to the straight portion 422 , and constitutes a first side of the drag blades 420 .
  • the first side of the drag blades 420 refers to a side opposite to the turbine spaces 132 where the disk blades 300 are placed, and the bent portion 421 is bent in a direction in which steam is introduced.
  • bent portion 421 of the drag blades 420 may be formed in a curved shape.
  • the straight portion 422 serves to guide steam guided by the bent portion 421 directly to the turbine spaces 132 , and constitutes a second side of the drag blades 420 .
  • Steam is supplied through the steam inlet tube 110 , and then the steam is pressure-fed to the turbine entrance 131 through the duct of the steam inlet tube 110 .
  • the steam hits the drag blades 420 of the guide blade assembly 400 , and is then guided along both the bent portion 421 and the straight portion 422 to the right side (turbine spaces side) in the drawing ( FIG. 4 ).
  • the drag blades 420 of the guide blade assembly 400 guide the steam to the turbine spaces 132 to divert the direction of the steam, and simultaneously rotate by receiving pressure of the steam.
  • the steam introduced through the steam inlet tube 110 also serves to firstly rotate the turbine shaft 200 by applying pressure to the guide blade assembly 400 .
  • the load required to initially rotate the turbine shaft 200 can be reduced, thereby realizing improved energy efficiency when rotating the turbine shaft 200 .
  • the steam introduced through the steam inlet tube 110 continuously pressurizes the drag blades 420 of the guide blade assembly 400 to rotate the turbine shaft 200 , and is simultaneously introduced into the inlet holes of the disk blades 300 provided at the turbine spaces 132 .
  • the steam rotates the disk blades 300 while flowing in and out of the plurality of disk blades 300 , thereby secondarily rotating the turbine shaft 200 .
  • the reaction-type steam turbine according to the present invention has a technical feature wherein the guide blade assembly 400 is coupled to the turbine shaft 200 at a position where the turbine entrance 131 is provided.
  • the steam introduced straight into the housing can be naturally guided toward the disk blades 300 after hitting the guide blade assembly 400 , so that it is possible to remove a vortex phenomenon occurring due to steam that swirls in the turbine entrance 131 and thereby reduce the energy loss.
  • the turbine shaft can be firstly rotated by the rotation of the guide blade assembly.
  • the turbine shaft can be firstly rotated by the rotation of the guide blade assembly.

Landscapes

  • 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)
US16/008,301 2015-12-15 2018-06-14 Reaction-type steam turbine Abandoned US20180291741A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2015-0179105 2015-12-15
KR20150179105 2015-12-15
PCT/KR2016/005228 WO2017104916A1 (ko) 2015-12-15 2016-05-18 반작용식 스팀 터빈

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/005228 Continuation WO2017104916A1 (ko) 2015-12-15 2016-05-18 반작용식 스팀 터빈

Publications (1)

Publication Number Publication Date
US20180291741A1 true US20180291741A1 (en) 2018-10-11

Family

ID=59056988

Family Applications (1)

Application Number Title Priority Date Filing Date
US16/008,301 Abandoned US20180291741A1 (en) 2015-12-15 2018-06-14 Reaction-type steam turbine

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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130015511A (ko) * 2011-08-03 2013-02-14 강준규 마우스패드형 입력장치 및 입력방법
US20130156546A1 (en) * 2010-08-31 2013-06-20 Hk Turbine Co., Ltd. Reaction-type turbine
US20140255180A1 (en) * 2011-04-05 2014-09-11 Hyuk Sun Choi Axial turbine
US20160237821A1 (en) * 2013-09-27 2016-08-18 Hyuk Sun Choi Structure of axial-type multistage turbine
US20180142555A1 (en) * 2015-07-10 2018-05-24 Posco Energy Co., Ltd. Reaction-type steam turbine

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS467443Y1 (ko) * 1967-03-02 1971-03-17
US4347034A (en) * 1979-05-29 1982-08-31 Zepco, Inc. Gas turbine
DE4100777A1 (de) * 1990-12-18 1992-06-25 Asea Brown Boveri Einlassgehaeuse fuer dampfturbine
KR101355104B1 (ko) 2010-11-04 2014-01-24 주식회사 에이치케이터빈 반작용식 터빈
KR101178379B1 (ko) * 2010-12-10 2012-08-29 황희찬 수직형 초 동력 고효율 복합 터빈 엔진
KR101229575B1 (ko) 2011-10-05 2013-02-05 주식회사 에이치케이터빈 반작용식 터빈장치 및 이의 제조방법
US9617855B2 (en) * 2011-10-18 2017-04-11 Hk Turbine Co., Ltd. Reaction-type turbine
KR101392495B1 (ko) 2011-10-18 2014-05-12 주식회사 에이치케이터빈 반작용식 터빈장치
WO2013064674A2 (de) * 2011-11-03 2013-05-10 Duerr Cyplan Ltd. Strömungsmaschine
KR20130061781A (ko) * 2011-12-02 2013-06-12 강기선 증기 터빈 발전기
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130156546A1 (en) * 2010-08-31 2013-06-20 Hk Turbine Co., Ltd. Reaction-type turbine
US20140255180A1 (en) * 2011-04-05 2014-09-11 Hyuk Sun Choi Axial turbine
KR20130015511A (ko) * 2011-08-03 2013-02-14 강준규 마우스패드형 입력장치 및 입력방법
US20160237821A1 (en) * 2013-09-27 2016-08-18 Hyuk Sun Choi Structure of axial-type multistage turbine
US20180142555A1 (en) * 2015-07-10 2018-05-24 Posco Energy Co., Ltd. Reaction-type steam turbine

Also Published As

Publication number Publication date
EP3392456A1 (en) 2018-10-24
JP2018534478A (ja) 2018-11-22
WO2017104916A1 (ko) 2017-06-22
CN108368741A (zh) 2018-08-03
EP3392456A4 (en) 2019-08-14

Similar Documents

Publication Publication Date Title
JP6497183B2 (ja) 遠心圧縮機
KR101388886B1 (ko) 래디얼 터빈
JP2012154283A5 (ko)
NZ602493A (en) Turbine with radial inlet and outlet rotor for use in bi-directional flows
JP6109548B2 (ja) 圧縮機
RU2687188C2 (ru) Турбина фрэнсиса с короткими лопастями и коротким ободом
KR101392495B1 (ko) 반작용식 터빈장치
JP2007247622A (ja) 遠心形ターボ機械
US20180291741A1 (en) Reaction-type steam turbine
JP2010025041A (ja) 遠心流体機械
US8425182B2 (en) Radial turbine
RU2511967C1 (ru) Турбонасосный агрегат и способ перекачивания холодной, горячей и промышленной воды
US8916986B2 (en) Impulse air turbine arrangement for use with a reversing bi-directional air flow in a wave power plant
JP7080470B2 (ja) 二重反転式羽根車及び流体機械
JP2012122377A5 (ko)
KR101388216B1 (ko) 반작용식 터빈
KR20150139309A (ko) 통공형 원심식 다단터빈
JP2015040505A (ja) 遠心圧縮機及び過給機
KR101763360B1 (ko) 가스를 이용한 동력발생장치
KR20150138651A (ko) 통공형 원심식 다단터빈
KR102034700B1 (ko) 발전용 충동-반동 복합 터빈 장치
US9938979B2 (en) Centrifugal pump
JP5908871B2 (ja) 反作用式タービン
CN114127389B (zh) 轴流涡轮
KR102087054B1 (ko) 다단 배치되는 터빈 일체형 회전자가 구비된 발전기 및 이를 포함하는 발전 사이클 시스템

Legal Events

Date Code Title Description
AS Assignment

Owner name: POSCO ENERGY CO., LTD., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:LEE, JEAJUN;LEE, SANGHOON;OH, SUNG KEUN;AND OTHERS;REEL/FRAME:046476/0477

Effective date: 20180614

STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION