JP4910872B2 - 多段遠心圧縮機 - Google Patents
多段遠心圧縮機 Download PDFInfo
- Publication number
- JP4910872B2 JP4910872B2 JP2007125958A JP2007125958A JP4910872B2 JP 4910872 B2 JP4910872 B2 JP 4910872B2 JP 2007125958 A JP2007125958 A JP 2007125958A JP 2007125958 A JP2007125958 A JP 2007125958A JP 4910872 B2 JP4910872 B2 JP 4910872B2
- Authority
- JP
- Japan
- Prior art keywords
- annular suction
- flow path
- flow
- sectional area
- centrifugal compressor
- 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.)
- Expired - Fee Related
Links
Images
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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
- F04D29/444—Bladed diffusers
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
Description
(1)前記環状吸込流路の心板側流路形状を前記軸平行部と曲線部とで形成したこと。
(2)前記環状吸込流路の側板側半径が最小となる位置の流路平均流速が前記羽根入口部の平均流速の1.45倍〜1.05倍にしたこと。
Claims (3)
- 回転軸と、
心板、側板、及びそれらの間に円形翼列状に配置された羽根により構成され、前記回転軸に多段に取り付けられた遠心羽根車と、
前記遠心羽根車の上流に設けられ、流体の流れを半径方向内向きから羽根入口部に導く環状吸込流路と、
前記遠心羽根車の下流に設けられたディフユーザと、
前記ディフユーザの下流に設けられたベンド部及び前記ベンド部の下流に設けられた案内羽根部により構成される戻り流路と、を有する多段遠心圧縮機において、
前記環状吸込流路の心板側に軸平行部を設け、
前記環状吸込流路の側板側半径が最小となる位置の流路断面積を前記羽根入口部の流路断面積より小さくし、
前記環状吸込流路の側板側半径が最小となる位置の流路断面積が前記羽根入口部の流路断面積の70%〜95%にしたことを特徴とする多段遠心圧縮機。 - 請求項1において、前記環状吸込流路の心板側流路形状を前記軸平行部と曲線部とで形成したことを特徴とする多段遠心圧縮機。
- 請求項1または2において、前記環状吸込流路の側板側半径が最小となる位置の流路平均流速が前記羽根入口部の平均流速の1.45倍〜1.05倍にしたことを特徴とする多段遠心圧縮機。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007125958A JP4910872B2 (ja) | 2007-05-10 | 2007-05-10 | 多段遠心圧縮機 |
EP08008114A EP1990544B1 (en) | 2007-05-10 | 2008-04-28 | Multistage centrifugal compressor |
US12/117,288 US8287236B2 (en) | 2007-05-10 | 2008-05-08 | Multistage centrifugal compressor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007125958A JP4910872B2 (ja) | 2007-05-10 | 2007-05-10 | 多段遠心圧縮機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008280924A JP2008280924A (ja) | 2008-11-20 |
JP4910872B2 true JP4910872B2 (ja) | 2012-04-04 |
Family
ID=39577246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007125958A Expired - Fee Related JP4910872B2 (ja) | 2007-05-10 | 2007-05-10 | 多段遠心圧縮機 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8287236B2 (ja) |
EP (1) | EP1990544B1 (ja) |
JP (1) | JP4910872B2 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101634305B (zh) * | 2009-08-13 | 2010-12-01 | 寿光市康跃增压器有限公司 | 旋转扩压壁式可调压气机装置 |
DE102009052619A1 (de) * | 2009-11-11 | 2011-05-12 | Siemens Aktiengesellschaft | Zwischenboden für eine Radialturbomaschine |
NO335019B1 (no) * | 2013-01-04 | 2014-08-25 | Typhonix As | Sentrifugalpumpe med koalescerende virkning, fremgangsmåte for utforming eller endring dertil, samt anvendelse |
DE102015219556A1 (de) | 2015-10-08 | 2017-04-13 | Rolls-Royce Deutschland Ltd & Co Kg | Diffusor für Radialverdichter, Radialverdichter und Turbomaschine mit Radialverdichter |
FR3087855B1 (fr) * | 2018-10-29 | 2020-11-13 | Danfoss As | Un turbocompresseur centrifuge ayant un trajet de flux de gaz comportant une chambre de detente |
US11098730B2 (en) | 2019-04-12 | 2021-08-24 | Rolls-Royce Corporation | Deswirler assembly for a centrifugal compressor |
CN110159595A (zh) * | 2019-05-29 | 2019-08-23 | 江苏大学 | 一种增高流道的多级泵反导叶以及流道增高方法 |
US11286952B2 (en) | 2020-07-14 | 2022-03-29 | Rolls-Royce Corporation | Diffusion system configured for use with centrifugal compressor |
US11441516B2 (en) | 2020-07-14 | 2022-09-13 | Rolls-Royce North American Technologies Inc. | Centrifugal compressor assembly for a gas turbine engine with deswirler having sealing features |
US11578654B2 (en) | 2020-07-29 | 2023-02-14 | Rolls-Royce North American Technologies Inc. | Centrifical compressor assembly for a gas turbine engine |
CN113107866B (zh) * | 2021-04-16 | 2023-04-21 | 山东天瑞重工有限公司 | 一种可调节轮背气压的真空泵 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR644751A (fr) | 1926-12-13 | 1928-10-13 | Rateau Soc | Dispositif pour élever la vitesse critique d'un mobile de compresseur rotatif |
GB460489A (en) | 1935-05-27 | 1937-01-28 | Escher Wyss Maschf Ag | Multistage centrifugal compressor or pump |
GB690951A (en) | 1950-04-26 | 1953-04-29 | Carrier Engineering Co Ltd | Improvements in or relating to centrifugal compressors |
FR1306368A (fr) | 1961-11-16 | 1962-10-13 | Laval Steam Turbine Co | Machine rotative à fluide |
FR1337460A (fr) | 1962-08-02 | 1963-09-13 | Alsacienne Constr Meca | Perfectionnements aux machines soufflantes rotatives |
CH418137A (de) * | 1964-10-30 | 1966-07-31 | Sulzer Ag | Gehäuse einer mehrstufigen Zentrifugalpumpe |
GB2181785B (en) | 1985-10-31 | 1989-10-04 | Proizv Ob Nevsky Z Im V I | Centrifugal compressor |
JPH0646035B2 (ja) | 1988-09-14 | 1994-06-15 | 株式会社日立製作所 | 多段遠心圧縮機 |
CH676487A5 (ja) | 1988-10-19 | 1991-01-31 | Proizv Ob Nevsky Z Im V I | |
US5344285A (en) * | 1993-10-04 | 1994-09-06 | Ingersoll-Dresser Pump Company | Centrifugal pump with monolithic diffuser and return vane channel ring member |
JP3299638B2 (ja) | 1994-09-20 | 2002-07-08 | 株式会社日立製作所 | ターボ流体機械 |
JPH11153097A (ja) * | 1997-11-21 | 1999-06-08 | Hitachi Ltd | 一軸多段遠心圧縮機及びターボ冷凍機 |
US6345503B1 (en) | 2000-09-21 | 2002-02-12 | Caterpillar Inc. | Multi-stage compressor in a turbocharger and method of configuring same |
JP4513432B2 (ja) * | 2004-07-07 | 2010-07-28 | 株式会社日立プラントテクノロジー | ターボ型流体機械及びこれに用いる段付シール装置 |
JP2006152994A (ja) | 2004-12-01 | 2006-06-15 | Mitsubishi Heavy Ind Ltd | 遠心圧縮機 |
JP4802786B2 (ja) * | 2006-03-20 | 2011-10-26 | 株式会社日立プラントテクノロジー | 遠心形ターボ機械 |
-
2007
- 2007-05-10 JP JP2007125958A patent/JP4910872B2/ja not_active Expired - Fee Related
-
2008
- 2008-04-28 EP EP08008114A patent/EP1990544B1/en not_active Expired - Fee Related
- 2008-05-08 US US12/117,288 patent/US8287236B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8287236B2 (en) | 2012-10-16 |
EP1990544A3 (en) | 2009-06-17 |
US20080279680A1 (en) | 2008-11-13 |
JP2008280924A (ja) | 2008-11-20 |
EP1990544B1 (en) | 2011-06-15 |
EP1990544A2 (en) | 2008-11-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4910872B2 (ja) | 多段遠心圧縮機 | |
JP6140736B2 (ja) | 遠心回転機械 | |
JP5233436B2 (ja) | 羽根無しディフューザを備えた遠心圧縮機および羽根無しディフューザ | |
JP6138470B2 (ja) | 遠心圧縮機 | |
JP2010144698A (ja) | 遠心圧縮機 | |
WO2018181343A1 (ja) | 遠心圧縮機 | |
JP5104624B2 (ja) | 多段遠心圧縮機 | |
JP4802786B2 (ja) | 遠心形ターボ機械 | |
JP2010185361A (ja) | 遠心圧縮機 | |
JP2017180237A (ja) | 遠心圧縮機 | |
WO2015041174A1 (ja) | 回転機械 | |
JP2012102712A (ja) | ターボ型圧縮機械 | |
KR20160122495A (ko) | 볼류트 케이싱 및 이를 구비한 회전 기계 | |
JP2018135836A (ja) | 遠心圧縮機 | |
JP5232721B2 (ja) | 遠心圧縮機 | |
JP6667323B2 (ja) | 遠心回転機械 | |
JP2018066355A (ja) | インペラ及び回転機械 | |
JP6860331B2 (ja) | ディフューザ、吐出流路、および遠心ターボ機械 | |
KR20070095745A (ko) | 원심압축기 | |
JP6700893B2 (ja) | 羽根車、回転機械 | |
JP6078303B2 (ja) | 遠心式流体機械 | |
JP7433261B2 (ja) | 多段遠心圧縮機 | |
JP2009264136A (ja) | 圧縮機のディフューザ | |
JP2015108342A (ja) | 遠心圧縮機 | |
JP2023001450A (ja) | 多段遠心流体機械 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090903 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20110930 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111004 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111125 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20111220 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120102 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4910872 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150127 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |