JP2018141405A5 - - Google Patents
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- JP2018141405A5 JP2018141405A5 JP2017036011A JP2017036011A JP2018141405A5 JP 2018141405 A5 JP2018141405 A5 JP 2018141405A5 JP 2017036011 A JP2017036011 A JP 2017036011A JP 2017036011 A JP2017036011 A JP 2017036011A JP 2018141405 A5 JP2018141405 A5 JP 2018141405A5
- Authority
- JP
- Japan
- Prior art keywords
- passage
- groove
- recirculation
- centrifugal compressor
- impeller
- 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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- 238000007906 compression Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 230000002093 peripheral Effects 0.000 claims 1
Claims (5)
前記回転軸に取り付けられて放射状に複数のブレードを有するインペラと、
前記回転軸の延在する軸方向に沿って設けられて空気取込口から前記インペラに至る給気通路、前記インペラの外周部に沿って円環形状に形成された圧縮通路、前記圧縮通路の外周に連通する渦巻き形状のスクロール通路、および前記スクロール通路の一部から接線方向で分岐する排気通路を有し前記回転軸および前記インペラを収容するハウジングと、
前記ハウジングにおいて前記給気通路の内壁面に沿って円環形状に形成され前記インペラ側で前記給気通路に開口する抽気溝と前記空気取込口側で前記給気通路に開口する再循環溝とを有して再循環通路を形成する通路壁と、
前記再循環通路の内部の空間を円環方向で仕切るように前記給気通路の内壁面と前記通路壁との間で軸方向に沿って延在して設けられた複数のストラットと、
を備え、
前記スクロール通路から前記排気通路が分岐する舌部の前記回転軸を中心とした角度位置において、前記ストラットで仕切られた空間の断面積が前記抽気溝から前記再循環溝に向かって減少して形成されている遠心圧縮機。 A rotation axis,
An impeller attached to the rotating shaft and having a plurality of blades radially;
An air supply passage that is provided along an axial direction of the rotation shaft and extends from an air intake port to the impeller; a compression passage formed in an annular shape along an outer peripheral portion of the impeller; A spiral scroll passage communicating with the outer periphery, and a housing that has an exhaust passage branched in a tangential direction from a part of the scroll passage and houses the rotating shaft and the impeller;
Open to the air supply passage by the supply passage said gas supply passage extract Kimizo you open to said air inlet side inner wall surface along formed in annular shape before Symbol impeller side of the said housing a passage wall forming the closed to the recirculation passage and the recirculation groove you,
A plurality of struts provided extending along the axial direction between the inner wall surface of the air supply passage and the passage wall so as to partition the space inside the recirculation passage in an annular direction;
With
At the angular position about the rotation axis of the tongue where the exhaust passage branches from the scroll passage, the cross-sectional area of the space partitioned by the struts decreases and forms from the bleed groove toward the recirculation groove. Centrifugal compressor.
前記排気通路の圧力に基づいて圧力上昇時に前記シャッタを閉作動させる一方で圧力下降時に前記シャッタを開作動させる作動機構と、
を備える請求項1または2に記載の遠心圧縮機。 A shutter that opens and closes a part of the groove width of the bleed groove at a portion formed by reducing a cross-sectional area from the bleed groove toward the recirculation groove;
An operating mechanism that closes the shutter when the pressure rises based on the pressure of the exhaust passage and opens the shutter when the pressure drops,
The centrifugal compressor according to claim 1 or 2, further comprising:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017036011A JP6865604B2 (en) | 2017-02-28 | 2017-02-28 | Centrifugal compressor and exhaust turbine supercharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017036011A JP6865604B2 (en) | 2017-02-28 | 2017-02-28 | Centrifugal compressor and exhaust turbine supercharger |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2018141405A JP2018141405A (en) | 2018-09-13 |
JP2018141405A5 true JP2018141405A5 (en) | 2020-01-23 |
JP6865604B2 JP6865604B2 (en) | 2021-04-28 |
Family
ID=63527842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017036011A Active JP6865604B2 (en) | 2017-02-28 | 2017-02-28 | Centrifugal compressor and exhaust turbine supercharger |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6865604B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7235549B2 (en) * | 2019-03-25 | 2023-03-08 | 株式会社Ihi | centrifugal compressor |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003106293A (en) * | 2001-09-28 | 2003-04-09 | Mitsubishi Heavy Ind Ltd | Fluid machinery |
JP5351401B2 (en) * | 2007-09-28 | 2013-11-27 | 三菱重工業株式会社 | Compressor |
US9234526B2 (en) * | 2010-02-09 | 2016-01-12 | Tsinghua University | Centrifugal compressor having an asymmetric self-recirculating casing treatment |
-
2017
- 2017-02-28 JP JP2017036011A patent/JP6865604B2/en active Active
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