Fan structure

US8939729B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8939729-B2
Application numberUS-201113282056-A
CountryUS
Kind codeB2
Filing dateOct 26, 2011
Priority dateNov 5, 2010
Publication dateJan 27, 2015
Grant dateJan 27, 2015

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  1. Title

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  2. Abstract

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A fan structure is provided, including a hub and a plurality of blades surrounding the hub. Each blade has a first segment connected to the hub and a second segment extended outwardly from the first segment. A first surface is formed between the first segment and the hub, and a second surface is formed between the first and second segments. The first and second surfaces respectively have a first and second setting angle relative to a base plane of the fan structure, wherein the first setting angle exceeds the second setting angle.

First claim

Opening claim text (preview).

What is claimed is: 1. A fan structure, comprising: a hub; and a plurality of blades surrounding the hub, wherein each of the blades comprises: a first segment connected to the hub, wherein the first segment and the hub form a first surface therebetween, and the first surface has a first setting angle relative to a base plane of the fan structure, and the base plane is perpendicular to a central axis of the fan structure; a second segment extended outwardly from the first se…

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Classifications

  • F04D29/384Primary

    Mechanical Engineering · mapped topic

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What does patent US8939729B2 cover?
A fan structure is provided, including a hub and a plurality of blades surrounding the hub. Each blade has a first segment connected to the hub and a second segment extended outwardly from the first segment. A first surface is formed between the first segment and the hub, and a second surface is formed between the first and second segments. The first and second surfaces respectively have a firs…
Who is the assignee on this patent?
Hsieh Chi-Hao, Yuan shu-ying, Delta Electronics Inc
What technology area does this patent fall under?
Primary CPC classification F04D29/384. Mapped technology areas include Mechanical Engineering.
When was this patent published?
Publication date Tue Jan 27 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).