JP6369621B2 - 遠心圧縮機および過給機 - Google Patents
遠心圧縮機および過給機 Download PDFInfo
- Publication number
- JP6369621B2 JP6369621B2 JP2017500301A JP2017500301A JP6369621B2 JP 6369621 B2 JP6369621 B2 JP 6369621B2 JP 2017500301 A JP2017500301 A JP 2017500301A JP 2017500301 A JP2017500301 A JP 2017500301A JP 6369621 B2 JP6369621 B2 JP 6369621B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- upstream
- wall
- downstream
- groove wall
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B33/00—Engines characterised by provision of pumps for charging or scavenging
- F02B33/32—Engines with pumps other than of reciprocating-piston type
- F02B33/34—Engines with pumps other than of reciprocating-piston type with rotary pumps
- F02B33/40—Engines with pumps other than of reciprocating-piston type with rotary pumps of non-positive-displacement type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
-
- 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
- F05D2220/40—Application in turbochargers
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/10—Purpose of the control system to cope with, or avoid, compressor flow instabilities
- F05D2270/101—Compressor surge or stall
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/17—Purpose of the control system to control boundary layer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Supercharger (AREA)
Description
Claims (5)
- 内部に吸気路を有するハウジングと、
前記吸気路内に収容されたインペラと、
前記吸気路の内壁に形成され、前記インペラの回転方向に延在する偏流溝と
を備え、
前記偏流溝を形成する溝壁と前記吸気路の内壁とが連続的に接続する境界部は、吸気の流通方向の上流側に位置する上流側境界部と、前記流通方向の下流側に位置する下流側境界部とを含み、
前記上流側境界部は、前記下流側境界部よりも、前記インペラの径方向において内側に位置し、
前記偏流溝の前記下流側境界部は、前記流通方向において前記インペラよりも上流側に位置する遠心圧縮機。 - 前記上流側境界部における、前記偏流溝の前記溝壁及び前記溝壁の接線方向のうちの何れかと、前記吸気路の内壁及び前記内壁の接線方向のうちの何れかとの成す角は、90度以下である請求項1に記載の遠心圧縮機。
- 前記下流側境界部における、前記偏流溝の前記溝壁及び前記溝壁の接線方向のうちの何れかと、前記吸気路の内壁及び前記内壁の接線方向のうちの何れかとの成す角は、90度以上である請求項1または2に記載の遠心圧縮機。
- 前記偏流溝は、前記上流側境界部から前記インペラの径方向と平行に延在する上流溝壁部と、前記上流溝壁部から前記下流側境界部まで延在するとともに、前記上流溝壁部に鋭角に接続する下流溝壁部と、を備える請求項1から3のうちの何れか1項に記載の遠心圧縮機。
- 前記請求項1から4のうちの何れか1項に記載の遠心圧縮機を備える過給機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015029784 | 2015-02-18 | ||
JP2015029784 | 2015-02-18 | ||
PCT/JP2015/085451 WO2016132644A1 (ja) | 2015-02-18 | 2015-12-18 | 遠心圧縮機および過給機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016132644A1 JPWO2016132644A1 (ja) | 2017-06-29 |
JP6369621B2 true JP6369621B2 (ja) | 2018-08-08 |
Family
ID=56692697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017500301A Active JP6369621B2 (ja) | 2015-02-18 | 2015-12-18 | 遠心圧縮機および過給機 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10364825B2 (ja) |
JP (1) | JP6369621B2 (ja) |
CN (1) | CN107208658B (ja) |
DE (1) | DE112015004675T5 (ja) |
WO (1) | WO2016132644A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020016174A (ja) * | 2018-07-24 | 2020-01-30 | 株式会社Ihi | 圧縮機および圧縮システム |
CN109372799A (zh) * | 2018-11-30 | 2019-02-22 | 湖南天雁机械有限责任公司 | 叶轮导风腔旁通再循环涡轮增压器压气机 |
DE102018132978A1 (de) * | 2018-12-19 | 2020-06-25 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Turboverdichter mit angepasster Meridiankontur der Schaufeln und Verdichterwand |
US11143201B2 (en) * | 2019-03-15 | 2021-10-12 | Pratt & Whitney Canada Corp. | Impeller tip cavity |
WO2020188765A1 (ja) * | 2019-03-19 | 2020-09-24 | 三菱重工エンジン&ターボチャージャ株式会社 | 遠心圧縮機及びターボチャージャ |
WO2020211788A1 (en) * | 2019-04-15 | 2020-10-22 | Wuxi Cummins Turbo Technologies Company Ltd. | Compressor |
US11268536B1 (en) | 2020-09-08 | 2022-03-08 | Pratt & Whitney Canada Corp. | Impeller exducer cavity with flow recirculation |
DE102020128922A1 (de) * | 2020-11-03 | 2022-05-05 | Borgwarner Inc. | Verstellmechanismus mit lärmreduzierenden merkmalen |
WO2022119709A1 (en) * | 2020-12-03 | 2022-06-09 | Danfoss A/S | Refrigerant compressor including diffuser with grooves |
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-
2015
- 2015-12-18 WO PCT/JP2015/085451 patent/WO2016132644A1/ja active Application Filing
- 2015-12-18 DE DE112015004675.5T patent/DE112015004675T5/de active Pending
- 2015-12-18 CN CN201580075531.XA patent/CN107208658B/zh active Active
- 2015-12-18 JP JP2017500301A patent/JP6369621B2/ja active Active
-
2017
- 2017-03-24 US US15/468,278 patent/US10364825B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20170198713A1 (en) | 2017-07-13 |
CN107208658B (zh) | 2019-07-05 |
CN107208658A (zh) | 2017-09-26 |
JPWO2016132644A1 (ja) | 2017-06-29 |
US10364825B2 (en) | 2019-07-30 |
DE112015004675T5 (de) | 2017-07-06 |
WO2016132644A1 (ja) | 2016-08-25 |
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