Shaft less open impleller suitable for micro pump |
Title： |
| Shaft less open impleller suitable for micro pump |
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Application Number： |
200610002134 |
Application Date： |
2006/01/19 |
Announcement Date： |
2006/08/23 |
Pub. Date： |
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Publication Number： |
1821582 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
F04D 29/24, A61M 1/12 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Liu Shuhong, Shao Jie, Luo Xianwu |
Key Words： |
Shaft less, open impleller, micro pump |
Abstract： |
The shaft-less open impeller suitable for micro pump is one pollution-free and leak-less centrifugal mixed flow pump device suitable for continuous flow artificial heart. The impeller includes one vane combination and one vane holder, and the vane has pressure surface in the horizontal angle of 5-20 deg, conic upper end part of conic angle 40-60 deg, the ration between planar projection area of vane and outer circle area of the impeller of 0.4-0.8, and inlet angle and outlet angle of 45-50 deg. The impeller has effective inhibition of the secondary flow in the pressure surface of the vane, improved inside flow structure, reduced flow loss, small diameter and thus reduced damage to blood cell. The present invention may be also used in various kinds of centrifugal pump or mixed flow pump to improve the performance of the pumps. |
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 Relevancy information |
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| Last Update |
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2008-4-17 |
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Selected patents owned by Tsinghua University filed in 2005 are loaded. |
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2008-3-31 |
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Selected patents owned by Tsinghua University filed in 2006 and 2007 are load. |
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