Invention Grant
- Patent Title: Impeller and fan
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Application No.: US15010648Application Date: 2016-01-29
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Publication No.: US10539149B2Publication Date: 2020-01-21
- Inventor: Shun-Chen Chang , Chao-Fu Yang
- Applicant: DELTA ELECTRONICS, INC.
- Applicant Address: TW Taoyuan
- Assignee: DELTA ELECTRONICS, INC.
- Current Assignee: DELTA ELECTRONICS, INC.
- Current Assignee Address: TW Taoyuan
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: CN201510923160 20151211
- Main IPC: F04D29/38
- IPC: F04D29/38 ; F04D19/00 ; F04D25/08 ; F04D29/66

Abstract:
An impeller comprises a hub and a plurality of blades surrounding the hub. The hub comprises a shaft. Each blade includes a leading edge, an outer edge, a middle portion and a trailing edge. The leading edge, the outer edge and the trailing edge are around three sides of the middle portion. From the hub outwardly shaft, the height of the leading edge to the horizontal plane of the lowest of the blade gradually decreases first and then gradually increases.
Public/Granted literature
- US20170167508A1 IMPELLER AND FAN Public/Granted day:2017-06-15
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