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:
Jul. 31, 2018
Filed:
Sep. 26, 2013
Applicant:
Delta Electronics, Inc., Kuei San, Taoyuan Hsien, TW;
Inventor:
Shir-Harn Yeh, Taoyuan Hsien, TW;
Assignee:
Delta Electronics, Inc., Taoyuan Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/16 (2006.01); F04D 19/00 (2006.01); F04D 25/06 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 19/002 (2013.01); F04D 25/064 (2013.01); F04D 29/662 (2013.01);
Abstract
An impeller of a fan comprises a hub, a plurality of blades, a permeable shell and a permanent magnet. The hub includes a top portion and a side wall, and the inside of the top portion adjacent to the side wall includes a plurality of first balance rooms. The blades are disposed around the hub. The permeable shell is disposed within the hub. The permanent magnet is disposed within the permeable shell, and at least a portion of the first balance room is defined between the top portion and the permanent magnet. A fan is also disclosed.