发明名称 |
Method of manufacturing an impeller |
摘要 |
A method of manufacturing an impeller includes the steps of: (a) forming an impeller having a plastic disc body and magnetisable material distributed and encapsulated within the body; (b) testing the imbalance of the impeller; (c) removing plastic material from the impeller to compensate for the tested imbalance; and (d) magnetising the magnetisable material to have an annular array of alternating poles.
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申请公布号 |
US7210226(B2) |
申请公布日期 |
2007.05.01 |
申请号 |
US20030735800 |
申请日期 |
2003.12.12 |
申请人 |
FISHER & PAYKEL HEALTHCARE LIMITED |
发明人 |
MAKINSON IAN DOUGLAS;POTHARAJU SUBBARAO;DICKINSON PHILIP JOHN |
分类号 |
B21K25/00;B23P15/04;B29C45/14;F04D13/06;F04D25/06;F04D29/22;F04D29/28 |
主分类号 |
B21K25/00 |
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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