Invention Grant
- Patent Title: Centrifugal fan
- Patent Title (中): 离心风机
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Application No.: US12952715Application Date: 2010-11-23
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Publication No.: US08684676B1Publication Date: 2014-04-01
- Inventor: William E. Kirkpatrick
- Applicant: William E. Kirkpatrick
- Agency: MacMillan, Sobanski & Todd, LLC
- Main IPC: F04D17/08
- IPC: F04D17/08 ; F04D29/26 ; F04D29/34
Abstract:
A centrifugal fan that includes an impeller having fan blades with notched tabs extending through slots in a pair of disc shaped base elements with the notches engaging the ends of the slots to secure the fan blades upon the impeller.
Information query
