JP2020051307A - 軸流圧縮機 - Google Patents
軸流圧縮機 Download PDFInfo
- Publication number
- JP2020051307A JP2020051307A JP2018180085A JP2018180085A JP2020051307A JP 2020051307 A JP2020051307 A JP 2020051307A JP 2018180085 A JP2018180085 A JP 2018180085A JP 2018180085 A JP2018180085 A JP 2018180085A JP 2020051307 A JP2020051307 A JP 2020051307A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- low
- axial
- peripheral surface
- pressure
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/02—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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
- F04D27/023—Details or means for fluid extraction
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
12 :アウタケーシング
14 :インナケーシング
14A :内周面
16 :前部第1ベアリング
18 :後部第1ベアリング
19 :フロントファン
20 :低圧系回転軸(ロータ)
20A :先端部
20B :外周面
22 :前部第2ベアリング
24 :後部第2ベアリング
26 :高圧系回転軸
28 :フロントファン
29 :ファンブレード
30 :ステータベーン
32 :バイパスダクト
34 :空気圧縮用ダクト
36 :軸流圧縮機
38 :動翼列
39 :動翼
40 :静翼列
41 :静翼
41A :遊端縁
41B :前端
42 :遠心圧縮機
44 :インペラ
46 :静翼列
50 :デフューザ
52 :逆流燃焼室
54 :燃焼室部材
56 :燃料噴射ノズル
58 :ノズルガイドベーン列
60 :高圧タービン
62 :低圧タービン
64 :高圧タービンホイール
66 :ノズルガイドベーン列
68 :低圧タービンホイール
70 :抽気開口
72 :抽気通路
Claims (5)
- 円筒状のケーシングと、
前記ケーシング内に回転可能に設けられたロータと、
前記ロータの中心軸線周りに所定のピッチをもって前記ロータの外周面に設けられた複数の動翼と、
前記ロータの軸線方向について前記動翼の後側に隣接するように、前記ケーシングの内周面に設けられた複数の静翼とを有する軸流圧縮機であって、
前記ロータの外周面に開口した抽気開口を含む抽気通路を有し、
前記抽気開口は、前記静翼の前記ロータに対向する遊端縁の前記軸線方向について前記遊端縁の前端から1/2の位置より前側に位置にて前記遊端縁に向けて開口している軸流圧縮機。 - 前記抽気開口は、前記静翼の前記遊端縁の前記軸線方向について前記前端から10%〜20%の範囲内に位置する請求項1に記載の軸流圧縮機。
- 前記抽気開口は前記ロータの中心軸線周りに等ピッチをもって複数設けられている請求項1又は2に記載の軸流圧縮機。
- 各抽気通路は前記抽気開口から前記ロータの外周面に対して所定の角度をもって後方に傾斜して延出する請求項1〜3の何れか一項に記載の軸流圧縮機。
- 前記所定の角度は20〜40度の範囲である請求項4に記載の軸流圧縮機。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018180085A JP7041033B2 (ja) | 2018-09-26 | 2018-09-26 | 軸流圧縮機 |
US16/576,098 US20200096002A1 (en) | 2018-09-26 | 2019-09-19 | Axial compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018180085A JP7041033B2 (ja) | 2018-09-26 | 2018-09-26 | 軸流圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020051307A true JP2020051307A (ja) | 2020-04-02 |
JP7041033B2 JP7041033B2 (ja) | 2022-03-23 |
Family
ID=69885373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018180085A Active JP7041033B2 (ja) | 2018-09-26 | 2018-09-26 | 軸流圧縮機 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20200096002A1 (ja) |
JP (1) | JP7041033B2 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562404A (en) * | 1994-12-23 | 1996-10-08 | United Technologies Corporation | Vaned passage hub treatment for cantilever stator vanes |
US20060182623A1 (en) * | 2005-02-16 | 2006-08-17 | Snecma | Taking air away from the tips of the rotor wheels of a high pressure compressor in a turbojet |
US20060222485A1 (en) * | 2004-09-30 | 2006-10-05 | Snecma | Method for air circulation in a turbomachine compressor, compressor arrangement using this method, compression stage and compressor incorporating such a arrangement, and aircraft engine equipped with such a compressor |
US20120060506A1 (en) * | 2010-09-10 | 2012-03-15 | Rolls-Royce Plc | Gas turbine engine |
CN106368973A (zh) * | 2016-11-09 | 2017-02-01 | 哈尔滨工业大学 | 压气机的静叶与端壁间的间隙流动控制方法及压气机 |
-
2018
- 2018-09-26 JP JP2018180085A patent/JP7041033B2/ja active Active
-
2019
- 2019-09-19 US US16/576,098 patent/US20200096002A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5562404A (en) * | 1994-12-23 | 1996-10-08 | United Technologies Corporation | Vaned passage hub treatment for cantilever stator vanes |
US20060222485A1 (en) * | 2004-09-30 | 2006-10-05 | Snecma | Method for air circulation in a turbomachine compressor, compressor arrangement using this method, compression stage and compressor incorporating such a arrangement, and aircraft engine equipped with such a compressor |
US20060182623A1 (en) * | 2005-02-16 | 2006-08-17 | Snecma | Taking air away from the tips of the rotor wheels of a high pressure compressor in a turbojet |
US20120060506A1 (en) * | 2010-09-10 | 2012-03-15 | Rolls-Royce Plc | Gas turbine engine |
CN106368973A (zh) * | 2016-11-09 | 2017-02-01 | 哈尔滨工业大学 | 压气机的静叶与端壁间的间隙流动控制方法及压气机 |
Also Published As
Publication number | Publication date |
---|---|
US20200096002A1 (en) | 2020-03-26 |
JP7041033B2 (ja) | 2022-03-23 |
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