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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.:

US 12104821 B1

PDFFull Text
Date of Patent:
Oct. 01, 2024

Filed:

May. 10, 2023

Air circulator

Applicant:

Iris Ohyama Inc., Sendai, JP;

Inventors:

Hideki Yamamoto, Kakuda, JP;

Kazuhito Fukumasu, Kakuda, JP;

Hiroshi Ishikawa, Kakuda, JP;

Assignee:

Iris Ohyama Inc., Sendai, JP;

Attorney:

Studebaker & Brackett PC

Primary Examiner:

Brian O Peters

Int. Cl.
CPC ...
F24F 13/08 (2006.01); F04D 25/06 (2006.01); F04D 25/08 (2006.01); F04D 25/10 (2006.01); F04D 27/00 (2006.01); F04D 29/52 (2006.01); F04D 29/54 (2006.01); F04D 29/70 (2006.01); F24F 7/007 (2006.01); F24F 13/20 (2006.01);
U.S. Cl.
CPC ...
F24F 13/082 (2013.01); F04D 25/08 (2013.01); F04D 25/105 (2013.01); F04D 27/004 (2013.01); F04D 29/522 (2013.01); F04D 29/54 (2013.01); F04D 29/544 (2013.01); F04D 29/545 (2013.01); F04D 29/703 (2013.01); F24F 7/007 (2013.01); F24F 13/20 (2013.01); F04D 25/0693 (2013.01); F05D 2210/12 (2013.01); F24F 2013/205 (2013.01); F24F 2221/38 (2013.01);
Abstract

An air circulator includes a blower unit that is provided with an airflow opening on a front side of the blower unit. A grill is provided in the airflow opening, and is provided with airflow guide blades in a spiral manner. The air circulator also includes a controller that achieves a rhythm air in which weak wind and strong wind are switched over by controlling a rotational speed of a motor of the blower unit. The grill is provided with plural airflow guide blades in a spiral manner. Inner end portions of the airflow guide blades closer to the center of the spiral of the airflow guide blades are protruded from outer end portions if the airflow guide blades in an airflow direction.

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