发明名称 |
SINGLE OR MULTIPLE STAGE BLOWER AND NESTED VOLUTE(S) AND/OR IMPELLER(S) THEREFOR |
摘要 |
The present invention relates to an impeller (62) comprising a top shroud (92); a bottom shroud (90), a plurality of vanes (88) extending from the top shroud to the bottom shroud, each said vane including a top edge at a radially inner portion of the vane in contact with the top shroud and a bottom edge at a radially outer portion of the vane in contact with the bottom shroud, such that a radially inner portion of the vane at the bottom edge of each vane is not in contact with or adjacent the bottom shroud and a radially outer portion of the vane at the top edge of each vane is not in contact with or adjacent the top shroud. |
申请公布号 |
EP1940496(A1) |
申请公布日期 |
2008.07.09 |
申请号 |
EP20060804445 |
申请日期 |
2006.10.27 |
申请人 |
RESMED LTD. |
发明人 |
KENYON, BARTON, JOHN;REED, NICHOLAS, JEROME;WILSON, ANDREW;SMITH, IAN, MALCOLM |
分类号 |
A61M16/00;A61M1/00;F04B17/00;F04D17/08;F04D17/16;F04D29/60;F04D29/66 |
主分类号 |
A61M16/00 |
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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