JP2016061241A5 - - Google Patents

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Publication number
JP2016061241A5
JP2016061241A5 JP2014190468A JP2014190468A JP2016061241A5 JP 2016061241 A5 JP2016061241 A5 JP 2016061241A5 JP 2014190468 A JP2014190468 A JP 2014190468A JP 2014190468 A JP2014190468 A JP 2014190468A JP 2016061241 A5 JP2016061241 A5 JP 2016061241A5
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JP
Japan
Prior art keywords
hub
shroud
centrifugal impeller
positive
inclination
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.)
Pending
Application number
JP2014190468A
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Japanese (ja)
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JP2016061241A (en
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Publication date
Application filed filed Critical
Priority to JP2014190468A priority Critical patent/JP2016061241A/en
Priority claimed from JP2014190468A external-priority patent/JP2016061241A/en
Priority to PCT/JP2015/059344 priority patent/WO2016042818A1/en
Priority to EP15841417.7A priority patent/EP3196477A4/en
Priority to CN201580043392.2A priority patent/CN106662117A/en
Priority to US15/503,806 priority patent/US20170260998A1/en
Publication of JP2016061241A publication Critical patent/JP2016061241A/en
Publication of JP2016061241A5 publication Critical patent/JP2016061241A5/ja
Pending legal-status Critical Current

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Claims (3)

ハブと、シュラウドと、前記ハブ及び前記シュラウドの間に配置される複数の羽根とを備え、前記ハブに固定された回転軸の回転により流体を径方向に吹き出す遠心羽根車であって、
前記羽根のキャンバ線を所定の子午面断面に投影した際の投影線と該キャンバ線とのなす角を傾斜角度とし、前記回転軸の回転方向とは反対方向への傾斜を正とした場合、
前記羽根は、前縁の前記傾斜角度が前記ハブ側で０または正であり、前記シュラウド側に向けて徐々に大きくなり、後縁の前記傾斜角度が前記ハブ側で０または正であり、前記シュラウド側に向けて徐々に大きくなると共に、流れ方向においては、前記前縁から前記後縁に向かって前記傾斜角度が徐々に小さくなる形状に形成したことを特徴とする遠心羽根車。 A centrifugal impeller comprising a hub, a shroud, and a plurality of blades disposed between the hub and the shroud, and blowing out fluid in a radial direction by rotation of a rotation shaft fixed to the hub;
When the camber line of the blade is projected on a predetermined meridian plane cross section and the angle formed by the camber line is an inclination angle, and the inclination in the direction opposite to the rotation direction of the rotation axis is positive,
The vane is 0 or a positive in the tilt angle of the leading edge is the hub side, Ri gradually increases Na toward the shroud side, the inclination angle of the trailing edge is 0 or a positive at the hub side, A centrifugal impeller having a shape that gradually increases toward the shroud side and that gradually decreases in inclination from the front edge toward the rear edge in the flow direction. 前記羽根の前縁は、子午面断面に投影した際に、前記ハブ側から前記シュラウド側まで直線状、もしくは、前記ハブ側と前記シュラウド側との間で、流れ方向上流側に凸となる形状としたことを特徴とする請求項１に記載の遠心羽根車。 The front edge of the blade is linear from the hub side to the shroud side when projected onto the meridional section, or a shape that protrudes upstream in the flow direction between the hub side and the shroud side The centrifugal impeller according to claim 1, wherein 請求項１または２に記載の遠心羽根車を備えることを特徴とする遠心圧縮機。 Centrifugal compressor, characterized in that it comprises a centrifugal impeller according to claim 1 or 2.
JP2014190468A 2014-09-18 2014-09-18 Radial impeller and centrifugal compressor Pending JP2016061241A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2014190468A JP2016061241A (en) 2014-09-18 2014-09-18 Radial impeller and centrifugal compressor
PCT/JP2015/059344 WO2016042818A1 (en) 2014-09-18 2015-03-26 Centrifugal impeller and centrifugal compressor
EP15841417.7A EP3196477A4 (en) 2014-09-18 2015-03-26 Centrifugal impeller and centrifugal compressor
CN201580043392.2A CN106662117A (en) 2014-09-18 2015-03-26 Centrifugal impeller and centrifugal compressor
US15/503,806 US20170260998A1 (en) 2014-09-18 2015-03-26 Centrifugal impeller and centrifugal compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014190468A JP2016061241A (en) 2014-09-18 2014-09-18 Radial impeller and centrifugal compressor

Publications (2)

Publication Number Publication Date
JP2016061241A JP2016061241A (en) 2016-04-25
JP2016061241A5 true JP2016061241A5 (en) 2017-03-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014190468A Pending JP2016061241A (en) 2014-09-18 2014-09-18 Radial impeller and centrifugal compressor

Country Status (5)

Country Link
US (1) US20170260998A1 (en)
EP (1) EP3196477A4 (en)
JP (1) JP2016061241A (en)
CN (1) CN106662117A (en)
WO (1) WO2016042818A1 (en)

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DE112016002180T5 (en) * 2015-05-14 2018-01-25 Denso Corporation centrifugal blower
CN107989823B (en) * 2017-12-26 2023-12-01 北京伯肯节能科技股份有限公司 Impeller, centrifugal compressor, and fuel cell system
JP7161419B2 (en) * 2019-02-05 2022-10-26 三菱重工コンプレッサ株式会社 Method for manufacturing centrifugal rotating machine, and centrifugal rotating machine
US11143201B2 (en) 2019-03-15 2021-10-12 Pratt & Whitney Canada Corp. Impeller tip cavity
JP7140030B2 (en) * 2019-03-28 2022-09-21 株式会社豊田自動織機 Centrifugal compressor for fuel cell
US11268536B1 (en) * 2020-09-08 2022-03-08 Pratt & Whitney Canada Corp. Impeller exducer cavity with flow recirculation

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JPS5949437B2 (en) * 1977-01-28 1984-12-03 川崎重工業株式会社 mixed flow blower impeller
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JP4308718B2 (en) * 2004-06-15 2009-08-05 三星電子株式会社 Centrifugal fan and air conditioner using the same
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