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. 10, 2016

Filed:

Jul. 01, 2015
Applicant:

Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;

Inventors:

Hiroaki Umemoto, Neyagawa, JP;

Shigeru Tashiro, Toyokawa, JP;

Masayuki Satou, Toyohashi, JP;

Masahiro Yamaguchi, Toyokawa, JP;

Shoichi Yoshikawa, Okazaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/20 (2006.01);
U.S. Cl.
CPC ...
G03G 21/206 (2013.01); G03G 2221/1645 (2013.01);
Abstract

An image forming apparatus having: an inside-air duct having a first inlet to an inside of the image forming apparatus; a first ventilator provided in the inside-air duct; an outside-air duct having a second inlet to an outside of the image forming apparatus; a common duct into which the inside-air duct and the outside-air duct are merged; a second ventilator provided in at least one of the outside-air duct and the common duct; a filter provided in the common duct; and a control section that retrieves information indicative of an flow rate in the inside-air duct and increases a pressure produced by the second ventilator based on the retrieved information such that an flow rate in the outside-air duct is substantially constant with respect to an increase of the flow rate in the inside-air duct.


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