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Patent Searching and Data


Title:
AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2021/214939
Kind Code:
A1
Abstract:
This air conditioner comprises: a fan casing for housing a fan; and an annular bell mouth mounted to the fan casing. A peripheral edge section of an upstream-side opening in the bell mouth has a minimum portion at which the distance from the central axis of the downstream-side opening in the bell mouth is smallest, and a maximum portion at which the distance from the central axis of the downstream-side opening is largest. A plurality of hooks provided to the bell mouth are disposed along a virtual arc line centered on a position separated in the direction of the maximum portion from the central axis when viewed from the upstream-side opening.

Inventors:
MORO KOKI (JP)
HIRANO YUTA (JP)
Application Number:
PCT/JP2020/017483
Publication Date:
October 28, 2021
Filing Date:
April 23, 2020
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F24F1/0022; F04D29/44
Foreign References:
JP2011106700A2011-06-02
JP2007127089A2007-05-24
JP2006077585A2006-03-23
JPS6231225U1987-02-25
JP2002021796A2002-01-23
Attorney, Agent or Firm:
KISA PATENT & TRADEMARK FIRM (JP)
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