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:
Sep. 06, 2022
Filed:
Feb. 19, 2021
Applicant:
Memjet Technology Limited, Dublin, IE;
Inventors:
Zhenya Yourlo, North Ryde, AU;
Andrew Thomas, North Ryde, AU;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17596 (2013.01); B41J 2/17566 (2013.01); B41J 2/18 (2013.01);
Abstract
An ink delivery system for delivering ink to an inkjet printhead. The system includes a first ink tank, a second ink tank, a main air line having an air inlet and an air outlet; a first air line interconnecting the first ink tank and the main air line; a second air line interconnecting the second ink tank and the main air line; an air pump positioned in the main air line; first and second airflow restrictor positioned in the main air line; an ink circulation line interconnecting the first and second ink tanks; and an ink pump positioned in the ink circulation line for pumping ink from the first ink tank to the second ink tank.