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:
Dec. 27, 2016

Filed:

Dec. 02, 2015
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Shigenori Nakagawa, Tatsuno-machi, JP;

Keiji Matsumoto, Matsumoto, JP;

Toshinobu Yamazaki, Niigata, JP;

Masahiko Sato, Matsumoto, JP;

Makoto Otsuki, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/20 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17563 (2013.01);
Abstract

A liquid ejecting apparatus comprises: a supply passage through which liquid is supplied from a liquid supply source to a liquid ejecting unit; a filter housing portion provided in the supply passage, a first filter being provided inside the filter housing portion; a circulation passage forming portion, one end of which is connected to a space portion located closer to the liquid supply source than the first filter is, the other end of which is connected on the supply passage to a position closer to the liquid supply source than the first filter is, thereby forming a circulation passage; a foreign object separation unit that works with a flow pump, which is a pump for circulation of the liquid through the circulation passage, to cause a foreign object to come off from the first filter; and a second filter that is detachably provided on the circulation passage.


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