| 发明名称 |
PUMPING ELEMENT DESIGN |
| 摘要 |
A pumping element and method of turbomachinery design includes a blade having an incidence angle (α) and a blade angle (&bgr;), wherein a ratio of α/&bgr; is less than approximately 0.3.
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| 申请公布号 |
US2011116934(A1) |
申请公布日期 |
2011.05.19 |
| 申请号 |
US20090619604 |
申请日期 |
2009.11.16 |
| 申请人 |
MENG SEN Y;SARGENT SCOTT R;LUNDE KEVIN J |
发明人 |
MENG SEN Y.;SARGENT SCOTT R.;LUNDE KEVIN J. |
| 分类号 |
F04D29/30;B23P15/02;F04D29/38 |
主分类号 |
F04D29/30 |
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