The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2018
Filed:
Jun. 30, 2015
Applicant:
Lenovo (Beijing) Co., Ltd., Beijing, CN;
Inventors:
Chunfeng Yuan, Beijing, CN;
Jinyu Li, Beijing, CN;
Assignee:
LENOVO (BEIJING) CO., LTD., Haidian District, Beijing, CN;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/20 (2006.01); F04D 29/42 (2006.01); F04D 25/06 (2006.01);
U.S. Cl.
CPC ...
G06F 1/203 (2013.01); F04D 29/422 (2013.01); F04D 29/4226 (2013.01);
Abstract
A centrifugal fan for an electronic device is described. The centrifugal fan includes a volute casing with an outlet; and vanes accommodated in the volute casing. The volute casing has an inner surface facing the vanes, the inner surface being formed with a plurality of air guiding channels for directing air inside the volute casing in a direction towards the outlet of the volute casing.