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公开(公告)号:US20100054949A1
公开(公告)日:2010-03-04
申请号:US12430235
申请日:2009-04-27
申请人: Jin-Wook Jang , Yong-Taek Hwang , Young-Seok Choi , Kyoung-Yong Lee , Uk-Hee Jeong , Murase Seiji
发明人: Jin-Wook Jang , Yong-Taek Hwang , Young-Seok Choi , Kyoung-Yong Lee , Uk-Hee Jeong , Murase Seiji
IPC分类号: F04D29/18
CPC分类号: F04D5/002 , F04D29/188 , F04D29/669
摘要: A random pitch impeller for a fuel pump has number of blades. An incremental angle of the blades is set by the expression: Δθ i = ( 360 N ) + ( - 1 ) i × Am × sin ( p 1 × 360 N × i ) cos ( P 2 × 360 N × i ) , where ΔθI is the incremental angle between the blades, N is the total number of blades (N=2, 3, 5, 7, 11, 13, 17, . . . ), Am is the distribution magnitude of the inter-blade interval (equally divided angle) (0
摘要翻译: 用于燃料泵的随机桨距叶轮具有多个叶片。 叶片的增量角度由以下表达式设置:&Dgr;&thetas; (360 N)+( - 1)i×Am×sin(p 1×360 N×i)cos(P 2×360 N×i),其中&Dgr;Θ I是增量 叶片之间的角度,N是叶片的总数(N = 2,3,5,7,11,13,17,...),Am是叶片间间隔的分布幅度(等分角) (0
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公开(公告)号:US08092186B2
公开(公告)日:2012-01-10
申请号:US12430235
申请日:2009-04-27
申请人: Jin-Wook Jang , Yong-Taek Hwang , Young-seok Choi , Kyoung-Yong Lee , Uk-Hee Jeong , Murase Seiji
发明人: Jin-Wook Jang , Yong-Taek Hwang , Young-seok Choi , Kyoung-Yong Lee , Uk-Hee Jeong , Murase Seiji
IPC分类号: F04D29/18
CPC分类号: F04D5/002 , F04D29/188 , F04D29/669
摘要: A random pitch impeller for a fuel pump has number of blades. An incremental angle of the blades is set by the expression: Δθ i = ( 360 N ) + ( - 1 ) i × Am × sin ( p 1 × 360 N × i ) × cos ( P 2 × 360 N × i ) , where ΔθI is the incremental angle between the blades, N is the total number of blades (N=2, 3, 5, 7, 11, 13, 17, . . . ), Am is the distribution magnitude of the inter-blade interval (equally divided angle) (0
摘要翻译: 用于燃料泵的随机桨距叶轮具有多个叶片。 叶片的增量角度由以下表达式设置:&Dgr;&thetas; i =(360 N)+( - 1)i×Am×sin(p 1×360 N×i)×cos(P 2×360 N×i),其中&Dgr;Θ I是增量 叶片之间的角度,N是叶片的总数(N = 2,3,5,7,11,13,17,...),Am是叶片间间隔的分布幅度(等分角) (0
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