CN110268136A - Controlled streaming runner for turbine - Google Patents
Controlled streaming runner for turbine Download PDFInfo
- Publication number
- CN110268136A CN110268136A CN201880010720.2A CN201880010720A CN110268136A CN 110268136 A CN110268136 A CN 110268136A CN 201880010720 A CN201880010720 A CN 201880010720A CN 110268136 A CN110268136 A CN 110268136A
- Authority
- CN
- China
- Prior art keywords
- runner
- blade
- width
- controlled
- controlled streaming
- 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.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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
- 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
-
- 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
- F01D5/141—Shape, i.e. outer, aerodynamic form
-
- 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
- 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
- F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
- F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
-
- 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
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/301—Cross-sectional characteristics
-
- 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
- F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05D2240/304—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the trailing edge of a rotor blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Architecture (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Hydraulic Turbines (AREA)
Abstract
Present patent application provides the controlled streaming runners (130) being used together with steamturbine.Exemplary controlled streaming runner (130) may include top, the blade adjacent with top (132) and the root adjacent with blade (132)；Blade (132) has top width (134), intermediate width (136) and bottom width (138), and wherein intermediate width (136) is less than top width (134) and bottom width (138).
Description
Technical field
The application and gained patent relate generally to any kind of axial flow turbine, and more particularly relate to steam whirlpool
The controlled streaming runner of wheel.
Background technique
In general, steamturbine etc. can have the steam path of restriction, which includes steam inlet, turbine portion
Point and steam (vapor) outlet.Steam is leaked out from steam path or steam is leaked into from higher pressure area to lower pressure region
Steam path in may negatively affect the working efficiency of the steamturbine.For example, shaft and circumferential ring in steamturbine
Around turbine shroud between steam path leakage may be decreased the whole efficiency of the steamturbine.
Steam can usually flow through multiple stage of turbines, these stage of turbines are typically inserted through (or the spray of first order guiding piece and blade
Mouth and bucket) it is arranged in series, and then across the guiding piece and blade of turbine later stages.In this way, guiding piece can draw steam
To corresponding blade, thus rotate blade and drive load, generator etc..Steam can be by protecting around the circumferential of blade
Cover accommodates, and blade may also help in along Route guiding steam or burning gases.In this way, turbine guiding piece, blade and shield can
It is amenable to the high temperature by steam generation, this may cause forms hot spot and high thermal stress in these components.Because of steamturbine
Efficiency depend on its operating temperature, so in the presence of to along steam or hot gas path positioning component be able to bear it is higher and higher
Temperature without fail or reduced service life constant demand.
Certain turbo blades could be formed with airfoil geometry shape.Blade can be attached to top and root, wherein root
For blade to be connected to disc portion or rotary drum.The geometry and size of turbo blade may cause certain profile loss, two
Secondary loss, leakage loss, losses by mixture etc., this may negatively affect the efficiency and/or performance of steamturbine.
Summary of the invention
Present patent application and gained patent provide the controlled streaming runner being used together with steamturbine.It is exemplary controlled
Streaming runner may include tip shroud, the root attachment below the blade and blade adjacent with tip shroud；Blade has top
Portion's width, intermediate width and bottom width, wherein intermediate width is less than top width and bottom width.
Present patent application and gained patent additionally provide a kind of side for being used together controlled streaming runner with steamturbine
Method.This method may comprise steps of: provide root for controlled streaming runner；It will be used for the blade connection of controlled streaming runner
To the root, wherein blade may include top width, intermediate width and bottom width, wherein intermediate width be less than top width and
Bottom width；And top is connected to blade.
Present patent application and gained patent additionally provide a kind of steamturbine with controlled streaming runner.The steamturbine
It may include disc portion, the controlled streaming guiding piece of first be mounted in inner casing, and be adjacent to the first controlled streaming guiding piece
It is connected to the first controlled streaming runner of disc portion.The first controlled streaming runner may include the first blade.First blade can have
Have in the top width away from the first radial distance of disc portion, in the intermediate width away from the second radial distance of disc portion, and
In the bottom width away from disc portion third radial distance.Intermediate width can be less than top width and bottom width, and the
Two radial distances can be greater than the first radial distance and be less than third radial distance.
After combining several attached drawings and the appended claims reading described in detail below, present patent application and gained patent
These and other features and improve will become obvious for those of ordinary skill in the art.
Detailed description of the invention
Fig. 1 is the schematic diagram of steamturbine.
Fig. 2 is the schematic diagram of a part of the turbine in the steamturbine for can be used for Fig. 1, it is shown that multiple stage of turbines.
Fig. 3 is the front plan view of the turbo blade in the turbine for can be used for Fig. 2.
Fig. 4 is the cross-sectional side view of a part of the steamturbine with controlled streaming runner as described herein.
Fig. 5 shows the various perspective views and side view of controlled streaming runner as described herein.
Fig. 6 schematically shows a part and back surfaces angle of deflection of the turbine of the embodiment according to the disclosure
Example view.
Specific embodiment
Referring now to the drawings, wherein the similar element of digital representation similar in several views, Fig. 1 show steam whirlpool
One exemplary schematic diagram of wheel 10.In general, steamturbine 10 may include high-pressure section 15 and intermediate pressure section 20.Other portions
Other pressure in point may also be used within the context of the present invention.Shell or shell 25 can axially be divided into top half 30 and lower half portion
35.The central part 40 of shell 25 may include higher pressure steam inlet 45 and middle pressure steam entrance 50.In shell 25, high-pressure section
15 and intermediate pressure section 20 can be arranged around rotor or disc portion 55.Disc portion 55 can be supported by multiple bearings 60.Steam is close
Envelope unit 65 can be located in the inside of each bearing 60.Annular section separator 70 can be from central part 40 towards disc portion
It extends radially inwardly.Separator 70 may include multiple filler shells 75.Other component and other configurations can be used.
During operation, higher pressure steam inlet 45 receives the high steam from vapour source.Steam can be guided through
High-pressure section 15, so that function is extracted in the rotation by disc portion 55 from steam.Steam leaves high-pressure section 15, then can return
Vapour source is returned to be reheated.Then, the steam of reheating can be directed to intermediate pressure section entrance 50 again.With enter high pressure
The steam phase ratio of part 15, steam can return to intermediate pressure section 20 under reduced pressure, but temperature is approximately equal to enter height
The temperature of the steam of laminate section 15.Therefore, the operating pressure in high-pressure section 15 can be higher than the work pressure in middle section 20
Power, so that the steam in high-pressure section 15 tends to the leakage by that may be formed between high-pressure section 15 and intermediate pressure section 20
Channel flows to middle section 20.One such leakage passage can extend through filler shell 75 around disc portion axis 55.It is steaming
Steam packing unit 65 and there may be other leakages elsewhere.
Fig. 2 shows the schematic diagrames of a part of steamturbine 10 comprising is located in the steam or heat of steamturbine 10
Multiple grades 52 in gas path 54.The first order 56 may include multiple circumferentially spaced first order guiding pieces 58 and multiple circumferential directions
First grade blade 60 spaced apart.The first order 56 may also include first order shield 62, which circumferentially and encloses
Around the first grade blade 60.First order shield 62 may include the multiple shield segments positioned adjacent to each other in a manner of being circular layout.With
Similar mode, the second level 64 may include multiple second level guiding pieces 66, multiple second grade blades 68 and around the second grade blade
68 second level shield 70.It may include any amount of grade and corresponding guiding piece and runner.Other embodiments can have
Different configurations.
Fig. 3 is shown can the turbine bucket 80 used in a grade in the grade 52 of turbine 10.For example, machine bucket 80 can
To be used in the second level 64 or the subsequent grade of turbine 10.In general, turbine bucket 80 may include blade 82, dovetail or root
Portion 84 and the platform 86 being arranged between blade 82 and root 84.As described above, multiple blades or machine bucket 80 can be with circumference
Array format is arranged in the grade 52 of turbine 10.In this way, the blade 82 of each machine bucket 80 can be relative to the central axis of turbine 10
Line radially extends, and the platform 86 of each machine bucket 80 relative to turbine 10 central axis circumferentially.
Blade 82 can extend radially outwardly into the optional tip shroud positioned around the top of machine bucket 80 90 from root 84
88.In some embodiments, tip shroud 88 can be integrally formed with blade 82.Root 84 can radially-inwardly prolong from platform 86
The butt 92 of machine bucket 80 is reached, so that platform 86 generally defines the interface between blade 82 and root 84.As shown, platform 86
The central axis that the turbine can be formed as being roughly parallel to during turbine 10 works extends.Root 84 can be formed to define
Root structure, such as dovetail are configured on turbine disc portion or rotary drum that machine bucket 80 is fixed to turbine 10.?
During turbine 10 works, the stream of steam or burning gases 35 is along steam or hot gas path 54 and in 86 top row of platform
Into the excircle of the platform and turbine disc portion is formed together the radial inner boundary of steam or hot gas path 54.Therefore, steam
Or the stream of burning gases 35 is directed on the blade 82 of machine bucket 80, therefore the surface of blade 82 is subjected to very high temperature.
Referring to fig. 4 and Fig. 5, the steam with guiding piece as described herein and runner is depicted in one embodiment
Turbine 100.Steamturbine 100 may include for the first controlled streaming guiding piece 120 of the first order and for the first of the first order
Controlled streaming runner 130.First controlled streaming runner 130 can be positioned so that adjacent with the first controlled streaming guiding piece 120.The
One controlled streaming guiding piece 120 and the first controlled streaming runner 130 can be connected to disc portion or rotary drum 110.Steamturbine
Guiding piece can be controlled streaming guiding piece, and runner can be controlled streaming runner.Steamturbine 100 may include for the
The controlled streaming guiding piece 140 of the second of second level, and the second controlled streaming runner 150 for the second level.Second controlled streaming
Guiding piece 140 can be controlled streaming guiding piece, and the second controlled streaming runner 150 can be controlled streaming runner.It can be with
Including any amount of grade and/or controlled streaming guiding piece and controlled streaming runner.
One or more controlled streaming runner (the especially first controlled streaming runner 130 and the second controlled streaming runners
It 150) may include top, blade and root.Root can be configured to for runner to be connected to disc portion 110.Blade can be determined
Position is between root and top.In some embodiments, tip shroud can be connected to top.
The blade of first controlled streaming runner 130 can have arcuate configuration 132.In particular, the first controlled streaming runner
130 blade can have the reduced axial width around the middle section of the first controlled streaming runner 130.As shown in figure 4,
The blade of first controlled streaming runner 130 may include top width 134, intermediate width 136 and bottom width 138.These width
It can be axial width.Top width 134 can be the axial width of the top section of the first controlled streaming runner 130.Top
Width 134 can be the width of a part of the first controlled streaming runner 130, or more specifically, be radial from disc portion 110
The width of outside blade.Intermediate width 136 can be the axial width of the first controlled streaming runner 130 or blade, the axial direction
Width is determined or measured around the middle section of the blade of the first controlled streaming runner 130.Bottom width 138 can be blade or
The axial width of first controlled 130 bottom part of streaming runner, the first controlled streaming runner can be with 110 phases of disc portion or rotary drum
It is adjacent.
Second controlled streaming runner 150 can also have axial width, and the axial width is from the second controlled streaming runner 150
Root or turbine disc portion measurement different distance at change.For example, the second controlled streaming runner 150 can have top axial
Width 152, intermediate axial width 154 and bottom axial width 156.Bottom axial width 156 can be the second controlled streaming and turn
The axial width of wheel 150, the axial width is away from measurement at 110 first radial distance 158 of disc portion.Intermediate axial width 154
It can be the axial width of the second controlled streaming runner 150, the axial width is at away from 110 second radial distance 160 of disc portion
Measurement.Second radial distance 160 can be greater than the first radial distance 158.Top axial width 152 can be the second controlled streaming
The axial width of runner 150, the axial width is away from measurement at 110 third radial distance 162 of disc portion.Third radial distance
162 can be greater than the first radial distance 158 and the second radial distance 160.The intermediate axial width of second controlled streaming runner 150
154 can reduce relative to top axial width 152 and bottom axial width 156, to cause profile loss to reduce.Such as Fig. 4
Shown, the height of the second controlled streaming runner 150 can be greater than the height of the first controlled streaming runner 130.
In some embodiments, one or more of steamturbine 100 or all runners (the such as first controlled streaming
Runner 130 and the second controlled streaming runner 150) intermediate width can be less than corresponding top width and bottom width.Runner
Therefore there can be arcuate configuration.The size of the intermediate width of runner in steamturbine 100 can be set to reduce profile loss.
For example, intermediate width is dimensioned to can reduce the type face in steamturbine 100 less than top width and/or bottom width
Loss.In some embodiments, the bottom width of corresponding runner can be greater than top width.Therefore, controlled streaming runner can
To be configured for accelerating guiding piece wake flow and reduce the losses by mixture in steamturbine 100.In some embodiments, it steams
Steam turbine may include multiple grades, wherein each correspond to corresponding stage of turbine to controlled streaming guiding piece and controlled streaming runner.
Fig. 5 illustrates in perspective view the blade-section 164 of controlled streaming runner as described herein.Blade-section 164 can
With wing geometry 162, there is arcuate configuration 160 at rear.The bottom part 166 of blade-section 164 can have
The center of gravity different from the top section of blade-section 164 or middle section.
Controlled streaming runner can have arch stacking configuration 160, and wherein top, blade and root are to bias center of gravity heap
It is folded.In particular, first center of gravity on the top of runner can be with the second centre offset of blade.Second center of gravity of blade can be with
The third centre offset of root.When gas passes through controlled streaming runner, bending rear and/or opening/pitch distribution of blade
It can produce the distribution of controlled flow whirlpool.Fig. 5 also shows blade with top perspective Figure 170, front view 180 and side view 190, shows
192 in the middle part of the arch of blade.
Fig. 6 schematically shows an exemplary implementation scheme of a part of turbine 200.Turbine 200 may include more
A blade 202, these blades are positioned adjacent to each other to form platform.In some cases, blade 202 can form turbine 200
Afterbody.Any amount of blade 202 can be used herein to form any grade of turbine 200.For example, blade 202 can be with
Form the first order, afterbody or any grade therebetween.Blade 202 can be attached to disc portion and circumferentially spaced from one another.
Each blade 202 may include leading edge 208, rear 210, on the pressure side 212 and suction side 214.Channel 216 can be formed in adjacent leaf
Between piece 202.Channel 216 may include throat region 218.Throat region 218 is the suction from rear 210 to adjacent blades 202
The shortest distance of side 214.Blade can have the back surfaces deflection degree of superelevation.In some embodiments, back surfaces are bent
Degree can be greater than threshold value (such as about 10 degree), or between about 5 degree and about 25 degree.
Fig. 6 is further schematically shown controlled streaming runner as described herein and (is shown with another runner with dotted line
Mean section difference between out).The difference of geometry is by corresponding suction side 220,222 and on the pressure side 228,230 position
The interval 226 between interval 224 and rear between variation and leading edge, which changes, to be indicated.
Tip portion difference between controlled streaming runner as described herein and another runner (shown in dotted line)
It is shown in FIG. 6.As shown, the position disparity and spacing difference of suction side 240,242 and 246,248 (can be minimum
) intensity can be caused to increase and lose reduction.Fig. 6 further illustrates the exemplary back surfaces deflection degree indicated by δ,
Can indicate turning in suction face without covering air-flow, and can be at aditus laryngis point the tangent line of suction face in suction
The angle between tangent line drawn at surface rear circle merging point.
A kind of method using controlled streaming runner as described herein may comprise steps of: in steamturbine by
Flow control formula runner provide root, the blade for being used for controlled streaming runner is connected to root, wherein blade have top width, in
Between width and bottom width, intermediate width be less than top width and bottom width.This method may include that top is connected to blade.
Due to controlled streaming runner as described herein, the stage efficiency gain of steamturbine can be about 0.20%, controlled streaming
Profile loss at runner reduces, and quadratic loss is reduced, and high incidence improves.Certain embodiments can be used for reequiping existing
Steamturbine.Certain embodiments can provide the lighter runner with consistent Mechanical Reliability while keeping cost.
Therefore, stage efficiency can be improved in controlled streaming runner, while keeping or improving Mechanical Reliability and not increasing steamturbine
Cost or complexity.Discharge is likely to reduced.
It is readily apparent that foregoing teachings only relate to certain embodiments of present patent application and gained patent.It is not taking off
In the case where the common essence and range of the invention limited by following claims and its equivalent, this field it is common
Technical staff can be to carrying out many changes and modifications herein.
Claims (14)
1. the controlled streaming runner (130) that one kind is used together with steamturbine (010), the controlled streaming runner include:
Top (090)；
The blade (132) adjacent with the top, the blade (132) include top width (134), intermediate width (136) and
Bottom width (138), wherein the intermediate width (136) is less than the top width (134) and the bottom width (138)；
With
The root (092) adjacent with the blade (132).
2. controlled streaming runner (130) according to claim 1, wherein the blade (132) includes arch stacking configuration
(132)。
3. controlled streaming runner (130) according to claim 1, wherein the first center of gravity of the blade (132) with it is described
Second centre offset of root (092).
4. controlled streaming runner (130) according to claim 3, wherein first center of gravity and the top (090)
Third centre offset.
5. controlled streaming runner (130) according to claim 1, wherein the rear of the blade (132) includes arch structure
Type (192).
6. controlled streaming runner (130) according to claim 5, wherein the opening of the blade (132)/pitch distribution produces
Raw controlled flow whirlpool distribution.
7. controlled streaming runner (130) according to claim 1, wherein the bottom width (138) is greater than the top
Width (134).
8. controlled streaming runner (130) according to claim 1, wherein the back surfaces deflection degree of the blade (132)
Greater than threshold value.
9. controlled streaming runner (130) according to claim 1 further includes the top shield for being connected to the top (090)
It covers (088), and wherein the top width (134) is adjacent with the tip shroud (088).
10. controlled streaming runner (130) according to claim 1, wherein the intermediate width (136) is axial width.
11. controlled streaming runner (130) according to claim 1, wherein the intermediate width (136) are dimensioned
At reduction profile loss.
12. controlled streaming runner (130) according to claim 1, wherein the root (092) is connected to disc portion
(110), and wherein the bottom width (138) is adjacent with the root (092).
13. controlled streaming runner (130) according to claim 1, wherein the blade (132) is oriented and controlled flow
Formula guiding piece (120) is adjacent.
14. controlled streaming runner (130) according to claim 1, wherein the controlled flow formula runner (130) is configured to
For accelerating guiding piece wake flow and reducing losses by mixture.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17154386.1 | 2017-02-02 | ||
| EP17154386.1A EP3358134B1 (en) | 2017-02-02 | 2017-02-02 | Steam turbine with rotor blade |
| PCT/US2018/016330 WO2018144658A1 (en) | 2017-02-02 | 2018-02-01 | Controlled flow runners for turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110268136A true CN110268136A (en) | 2019-09-20 |
Family
ID=57995034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201880010720.2A Pending CN110268136A (en) | 2017-02-02 | 2018-02-01 | Controlled streaming runner for turbine |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20200232327A1 (en) |
| EP (1) | EP3358134B1 (en) |
| JP (1) | JP7106552B2 (en) |
| KR (1) | KR102496125B1 (en) |
| CN (1) | CN110268136A (en) |
| WO (1) | WO2018144658A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10808535B2 (en) * | 2018-09-27 | 2020-10-20 | General Electric Company | Blade structure for turbomachine |
| US11566530B2 (en) * | 2019-11-26 | 2023-01-31 | General Electric Company | Turbomachine nozzle with an airfoil having a circular trailing edge |
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| US20020098082A1 (en) * | 2001-01-25 | 2002-07-25 | Mitsubishi Heavy Industries, Ltd. | Gas turbine |
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| US5277549A (en) * | 1992-03-16 | 1994-01-11 | Westinghouse Electric Corp. | Controlled reaction L-2R steam turbine blade |
| JP2003269109A (en) | 2002-03-18 | 2003-09-25 | Toshiba Corp | Steam turbine |
| JP4713509B2 (en) * | 2007-01-26 | 2011-06-29 | 株式会社日立製作所 | Turbine blade |
| FR2977908B1 (en) | 2011-07-13 | 2016-11-25 | Snecma | TURBINE DAWN |
| EP3059394B1 (en) | 2015-02-18 | 2019-10-30 | Ansaldo Energia Switzerland AG | Turbine blade and set of turbine blades |
| US10808535B2 (en) | 2018-09-27 | 2020-10-20 | General Electric Company | Blade structure for turbomachine |
-
2017
- 2017-02-02 EP EP17154386.1A patent/EP3358134B1/en active Active
-
2018
- 2018-02-01 CN CN201880010720.2A patent/CN110268136A/en active Pending
- 2018-02-01 KR KR1020197022833A patent/KR102496125B1/en active IP Right Grant
- 2018-02-01 US US16/483,201 patent/US20200232327A1/en not_active Abandoned
- 2018-02-01 JP JP2019541265A patent/JP7106552B2/en active Active
- 2018-02-01 WO PCT/US2018/016330 patent/WO2018144658A1/en active Application Filing
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|---|---|---|---|---|
| US2392673A (en) * | 1943-08-27 | 1946-01-08 | Gen Electric | Elastic fluid turbine |
| CN1039874A (en) * | 1988-07-28 | 1990-02-21 | 四川重庆永荣矿务局 | Hyperbola variable cross-section blade |
| US20020098082A1 (en) * | 2001-01-25 | 2002-07-25 | Mitsubishi Heavy Industries, Ltd. | Gas turbine |
| CN101326342A (en) * | 2005-10-11 | 2008-12-17 | 阿尔斯通技术有限公司 | Turbo-machine blade |
| US20120020804A1 (en) * | 2010-07-22 | 2012-01-26 | General Electric Company | Turbine nozzle segment having arcuate concave leading edge |
| DE102011052595A1 (en) * | 2010-08-31 | 2012-03-01 | General Electric Company | Airfoil shape for a compressor |
| DE102011053531A1 (en) * | 2010-09-21 | 2012-03-22 | General Electric Co. | Rotor assembly for use in turbomachinery and method of assembling same |
| US20120210715A1 (en) * | 2011-02-22 | 2012-08-23 | Hitachi, Ltd. | Turbine Nozzle Blade and Steam Turbine Equipment Using Same |
| US20170016342A1 (en) * | 2012-10-25 | 2017-01-19 | Mitsubishi Hitachi Power Systems, Ltd. | Axial Flow Turbine |
| JP6012519B2 (en) * | 2013-03-21 | 2016-10-25 | 三菱重工業株式会社 | Turbine and rotating machine equipped with the same |
| CN105888735A (en) * | 2014-11-21 | 2016-08-24 | 通用电器技术有限公司 | Turbine arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| US20200232327A1 (en) | 2020-07-23 |
| KR20190107052A (en) | 2019-09-18 |
| JP7106552B2 (en) | 2022-07-26 |
| JP2020506325A (en) | 2020-02-27 |
| KR102496125B1 (en) | 2023-02-03 |
| EP3358134A1 (en) | 2018-08-08 |
| EP3358134B1 (en) | 2021-07-14 |
| WO2018144658A1 (en) | 2018-08-09 |
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