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.

Date of Patent:
Sep. 03, 2019

Filed:

Jan. 31, 2018
Applicant:

Asia Vital Components Co., Ltd., New Taipei, TW;

Inventors:

Bor-Haw Chang, New Taipei, TW;

Chung-Shu Wang, New Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/66 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F04D 29/662 (2013.01); F04D 29/329 (2013.01);
Abstract

The present invention relates to a balance structure of a fan, which comprises a hub and a balance slider. The hub has a circumferential portion and a top portion. The circumferential portion has a plurality of blades. The top portion is provided with a groove having a latch portion. The balance slider has a receiving portion slidingly engaging with the latch portion such that the balance slider can be slidingly disposed in the groove and the balance slider can move to a balance position automatically during the rotation of the hub. In this way, the effect of automatic balance can be achieved.


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