Invention Grant
- Patent Title: Impeller-air intake interface for a centrifugal fan, and centrifugal fan therewith
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Application No.: US16973295Application Date: 2018-06-11
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Publication No.: US11460039B2Publication Date: 2022-10-04
- Inventor: Francette Fournier , Gael Herve
- Applicant: Carrier Corporation , Francette Fournier
- Applicant Address: US FL Palm Beach Gardens; FR Bettant
- Assignee: Carrier Corporation,Francette Fournier
- Current Assignee: Carrier Corporation,Francette Fournier
- Current Assignee Address: US FL Palm Beach Gardens; FR Bettant
- Agency: Cantor Colburn LLP
- International Application: PCT/IB2018/000749 WO 20180611
- International Announcement: WO2019/239174 WO 20191219
- Main IPC: F04D29/28
- IPC: F04D29/28 ; F04D29/42 ; F04D29/16

Abstract:
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.
Public/Granted literature
- US20210246905A1 IMPELLER-AIR INTAKE INTERFACE FOR A CENTRIFUGAL FAN, AND CENTRIFUGAL FAN THEREWITH Public/Granted day:2021-08-12
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