发明名称 |
Conical logarithmic spiral viscosity pump |
摘要 |
<p>A housing has a pump chamber and an outlet, with the chamber having a section with a conical shape, and the outlet located at a narrow end of the section. An impeller is rotatably located in the chamber and the impeller has a conical section with at least one logarithmic spiral groove along an exterior of the conical section. A front is located at the outlet which is smooth shaped with the groove not extending to the front. The impeller is spaced front he housing along the conical section with a constant gap.</p> |
申请公布号 |
EP0615068(B1) |
申请公布日期 |
1997.09.17 |
申请号 |
EP19940102223 |
申请日期 |
1994.02.14 |
申请人 |
STRATASYS INC. |
发明人 |
BATCHELDER, JOHN SAM;HALL, SHAWN ANTHONY HALL;JACKSON, ROBERT RUSSELL |
分类号 |
F04C2/00;B29C47/38;B29C47/60;F04D3/02;F04D29/18;(IPC1-7):F04D3/02 |
主分类号 |
F04C2/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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