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:
Nov. 02, 2021

Filed:

Aug. 19, 2020
Applicant:

Daikin Industries, Ltd., Osaka, JP;

Inventors:

Hirotaka Tomioka, Osaka, JP;

Daiki Hirawa, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24F 7/06 (2006.01); F24F 1/38 (2011.01); F24F 1/56 (2011.01); F24F 13/20 (2006.01); F24F 1/16 (2011.01); F24F 13/30 (2006.01);
U.S. Cl.
CPC ...
F24F 1/38 (2013.01); F24F 1/56 (2013.01); F24F 13/20 (2013.01); F24F 1/16 (2013.01); F24F 13/30 (2013.01);
Abstract

A fan unit includes: a fan casing having a long side corresponding to either a width or a depth of the fan casing, a short side corresponding to the other of the width or the depth, and an upper surface on which a blow-out grille is mounted; a fan housed in the fan casing and that blows out air from the blow-out grille; and a bell mouth comprising a cylindrical portion surrounding the fan inside the fan casing. The cylindrical portion includes two first arc regions each facing the short side of the fan casing, a second arc region facing the long side of the fan casing, and a guide portion disposed in at least one of the first arc regions. The guide portion includes an extended end portion.


Find Patent Forward Citations

Loading…