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公开(公告)号:US20250020138A1
公开(公告)日:2025-01-16
申请号:US18770669
申请日:2024-07-12
Applicant: DELTA ELECTRONICS, INC.
Inventor: Sheng-Chieh SU , Pei-Han CHIU , Chien-Ming LEE , Chung-Yuan TSANG
Abstract: An impeller for a diagonal fan includes a hub, a cylindrical part, a conical section shell, a plurality of blades and a plurality of extended blades. The cylindrical part is connected to the hub and extends axially from a lower end of the hub. The conical section shell surrounds the hub. The blades are connected to the hub and an inner surface of the conical section shell. The extended blades are disposed on an outer surface of the conical section shell and project from the outer surface of the conical section shell.