Ceiling fan having double-layer blades
US-2024102484-A1 · Mar 28, 2024 · US
Fan assembly
US8932014B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8932014-B2 |
| Application number | US-201113241174-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 22, 2011 |
| Priority date | Jun 29, 2011 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A fan assembly includes a first fan and a second fan stacked together. Each of the first fan and the second fan includes a frame and a supporting base received in the frame. Several extending portions extend from a bottom of the frame of the first fan. A buckling block is formed on an inner side face of each of the extending portions. Several receiving portions are formed at a top of the frame of the second fan corresponding to the extending portions, respectively. A positioning groove is defined in each of the receiving portions. The buckling blocks are engagingly received in the positioning grooves.
First claim
Opening claim text (preview).
What is claimed is: 1. A fan assembly comprising a first fan and a second fan placed on the first fan, each of the first fan and the second fan comprising a frame, a plurality of extending portions extending from a side of the frame of the first fan, a buckling block being formed on an inner side face of each of the extending portions, a plurality of receiving portions being formed at a side of the frame of the second fan corresponding to the extending portions, respectively, a pos…
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Classifications
Mechanical Engineering · mapped topic
- F04D19/007Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US8932014B2 cover?
- A fan assembly includes a first fan and a second fan stacked together. Each of the first fan and the second fan includes a frame and a supporting base received in the frame. Several extending portions extend from a bottom of the frame of the first fan. A buckling block is formed on an inner side face of each of the extending portions. Several receiving portions are formed at a top of the frame …
- Who is the assignee on this patent?
- Zhao jin-long, Yeh Dung-Chang, Fu Zhun Precision Ind Shenzhen, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification F04D19/007. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jan 13 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).