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.:
Date of Patent:
Apr. 15, 2014
Filed:
Jun. 06, 2011
Applicants:
Yosuke Nishihata, Hirakata, JP;
Akira Miyanaga, Daito, JP;
Yoshiharu Arioka, Osaka, JP;
Hideaki Okaniwa, Nagoya, JP;
Inventors:
Yosuke Nishihata, Hirakata, JP;
Akira Miyanaga, Daito, JP;
Yoshiharu Arioka, Osaka, JP;
Hideaki Okaniwa, Nagoya, JP;
Assignee:
SANYO Electric Co., Ltd., Moriguchi-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); B01D 46/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
A filter unit includes an air filter, which captures dust from intake air, and a cleaning unit, which automatically cleans the air filter. The cleaning unit includes a rotation brush, which removes dust from the air filter, and a dust box, which extends parallel to the rotation brush. The dust box includes a dust inlet that opens toward the rotation brush and receives dust from the rotation brush. The dust box is removable from the filter unit.