发明授权
- 专利标题: Impeller-air intake interface for a centrifugal fan, and centrifugal fan therewith
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申请号: US16973295申请日: 2018-06-11
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公开(公告)号: US11460039B2公开(公告)日: 2022-10-04
- 发明人: Francette Fournier , Gael Herve
- 申请人: Carrier Corporation , Francette Fournier
- 申请人地址: US FL Palm Beach Gardens; FR Bettant
- 专利权人: Carrier Corporation,Francette Fournier
- 当前专利权人: Carrier Corporation,Francette Fournier
- 当前专利权人地址: US FL Palm Beach Gardens; FR Bettant
- 代理机构: Cantor Colburn LLP
- 国际申请: PCT/IB2018/000749 WO 20180611
- 国际公布: WO2019/239174 WO 20191219
- 主分类号: F04D29/28
- IPC分类号: F04D29/28 ; F04D29/42 ; F04D29/16
摘要:
An interface of a centrifugal fan includes an inlet shroud of an impeller, an air intake positioned in overlapping arranged with a portion of the inlet shroud, and a clearance defined between the inlet shroud and the air intake. The clearance forms a labyrinth fluid flow path for a leakage air flow.
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