JP7012616B2 - 遠心多段圧縮機 - Google Patents
遠心多段圧縮機 Download PDFInfo
- Publication number
- JP7012616B2 JP7012616B2 JP2018147728A JP2018147728A JP7012616B2 JP 7012616 B2 JP7012616 B2 JP 7012616B2 JP 2018147728 A JP2018147728 A JP 2018147728A JP 2018147728 A JP2018147728 A JP 2018147728A JP 7012616 B2 JP7012616 B2 JP 7012616B2
- Authority
- JP
- Japan
- Prior art keywords
- impeller
- flow path
- stage
- labyrinth
- intermediate stage
- 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.)
- Active
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/162—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of a centrifugal flow wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage pumps
- F04D17/122—Multi-stage pumps the individual rotor discs being, one for each stage, on a common shaft and axially spaced, e.g. conventional centrifugal multi- stage compressors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/102—Shaft sealings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/122—Shaft sealings using sealing-rings especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
- F04D29/286—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors multi-stage rotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
-
- 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
- F05D2240/55—Seals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Description
2 ロータ
3 回転軸
4 羽根車
51 吐出流路
52 吸込流路
6 中間ダイアフラム
7 中間ステージラビリンス
8 バイパス流路
9 貫通孔
Claims (5)
- 複数の羽根車が設置された回転軸と、
初段の前記羽根車と最終段の前記羽根車との間で、流体を、一度、機外へ排出する吐出流路と、
初段の前記羽根車と最終段の前記羽根車との間で、排出された流体を、再度、機内へ注入する吸込流路と、
前記吐出流路と前記吸込流路との間に設置された中間ダイアフラムと、
前記吐出流路と前記吸込流路との間をシールする中間ステージラビリンスと、
を有し、
前記中間ダイアフラムは、前述吐出流路に流れる前記流体の一部を、前記中間ステージラビリンスに供給するバイパス流路を有することを特徴とする遠心多段圧縮機。 - 前記中間ステージラビリンスは、前記中間ダイアフラムに設置されていることを特徴とする請求項1に記載の遠心多段圧縮機。
- 前記中間ステージラビリンスは、前記バイパス流路を流れる流体を通す貫通孔を有することを特徴とする請求項2に記載の遠心多段圧縮機。
- 前記流体が、CO2であることを特徴とする請求項1に記載の遠心多段圧縮機。
- 前記中間ステージラビリンスは、アルミニウム製であることを特徴とする請求項1に記載の遠心多段圧縮機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018147728A JP7012616B2 (ja) | 2018-08-06 | 2018-08-06 | 遠心多段圧縮機 |
PCT/JP2019/022092 WO2020031480A1 (ja) | 2018-08-06 | 2019-06-04 | 遠心多段圧縮機 |
US17/263,479 US11319967B2 (en) | 2018-08-06 | 2019-06-04 | Centrifugal multistage compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018147728A JP7012616B2 (ja) | 2018-08-06 | 2018-08-06 | 遠心多段圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020023884A JP2020023884A (ja) | 2020-02-13 |
JP7012616B2 true JP7012616B2 (ja) | 2022-01-28 |
Family
ID=69413473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018147728A Active JP7012616B2 (ja) | 2018-08-06 | 2018-08-06 | 遠心多段圧縮機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11319967B2 (ja) |
JP (1) | JP7012616B2 (ja) |
WO (1) | WO2020031480A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003201993A (ja) | 2001-11-02 | 2003-07-18 | Mitsubishi Heavy Ind Ltd | 流体圧縮機 |
JP2016540928A (ja) | 2013-12-18 | 2016-12-28 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータNuovo Pignone S.R.L. | マルチセクション遠心圧縮機 |
JP6392098B2 (ja) | 2014-11-28 | 2018-09-19 | 株式会社ニューギン | 遊技機 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5870097A (ja) * | 1981-10-23 | 1983-04-26 | Hitachi Ltd | 水平分割形ケ−シング |
JPS6392098U (ja) * | 1986-12-05 | 1988-06-14 | ||
JP2010159634A (ja) | 2009-01-06 | 2010-07-22 | Hitachi Ltd | ターボ機械のシール構造 |
JP2014062504A (ja) * | 2012-09-21 | 2014-04-10 | Hitachi Ltd | 遠心型流体機械 |
CN106062374B (zh) * | 2014-03-03 | 2019-09-10 | 诺沃皮尼奥内股份有限公司 | 用于运行带有侧流的背靠背的压缩机的方法和系统 |
EP3126678B1 (en) * | 2014-04-02 | 2020-04-29 | Dresser-Rand Company | Damper seal for double flow compressor arrangement |
JP2016040461A (ja) * | 2014-08-13 | 2016-03-24 | 三菱重工業株式会社 | 遠心回転機械 |
-
2018
- 2018-08-06 JP JP2018147728A patent/JP7012616B2/ja active Active
-
2019
- 2019-06-04 WO PCT/JP2019/022092 patent/WO2020031480A1/ja active Application Filing
- 2019-06-04 US US17/263,479 patent/US11319967B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003201993A (ja) | 2001-11-02 | 2003-07-18 | Mitsubishi Heavy Ind Ltd | 流体圧縮機 |
JP2016540928A (ja) | 2013-12-18 | 2016-12-28 | ヌオーヴォ ピニォーネ ソチエタ レスポンサビリタ リミタータNuovo Pignone S.R.L. | マルチセクション遠心圧縮機 |
JP6392098B2 (ja) | 2014-11-28 | 2018-09-19 | 株式会社ニューギン | 遊技機 |
Also Published As
Publication number | Publication date |
---|---|
US20210164485A1 (en) | 2021-06-03 |
JP2020023884A (ja) | 2020-02-13 |
US11319967B2 (en) | 2022-05-03 |
WO2020031480A1 (ja) | 2020-02-13 |
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