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:
May. 16, 2017

Filed:

Sep. 24, 2013
Applicant:

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

Inventors:

Bor-Haw Chang, New Taipei, TW;

Ta-Cheng Lee, New Taipei, TW;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/00 (2006.01); F04D 29/60 (2006.01);
U.S. Cl.
CPC ...
F04D 19/002 (2013.01); F04D 29/601 (2013.01);
Abstract

A series fan structure with multistage frame body includes a first main body, a second main body, a first frame and a second frame. The first main body has a first fan frame having a first opening and a second opening. The second main body is correspondingly serially connected to the first main body. The second main body has a second fan frame having a third opening and a fourth opening. The third opening corresponds to the second opening. The first frame is correspondingly serially connected to one side of the first fan frame with the first opening. The first frame and the first fan frame together define a first flow passage. The second frame is correspondingly serially connected to one side of the second fan frame with the fourth opening. The second frame and the second fan frame together define a second flow passage.


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