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:
Apr. 11, 2023

Filed:

Oct. 08, 2020
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Shinya Komatsu, Shiojiri, JP;

Hitotoshi Kimura, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/03 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/03 (2013.01); B41J 2/175 (2013.01); B41J 2002/031 (2013.01); B41J 2202/07 (2013.01);
Abstract

A liquid ejecting apparatus including a liquid ejecting portion that ejects a liquid in a pressure chamber from a nozzle that communicates with the pressure chamber, a liquid supply flow path that supplies the liquid stored in a liquid storing portion to the liquid ejecting portion, a degas module provided in the liquid supply flow path, a vacuum degree adjustment mechanism configured to adjust a vacuum degree of the degas module, a state detecting mechanism configured to detect a state inside the pressure chamber, and a control portion that drives and controls the vacuum degree adjustment mechanism based on a detecting result of the state detecting mechanism.


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