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:
Mar. 31, 2015
Filed:
Aug. 31, 2011
Applicants:
Alexander Govyadinov, Corvallis, OR (US);
Kianoush Naeli, Corvallis, OR (US);
Tony S. Cruz-uribe, Independence, OR (US);
Inventors:
Alexander Govyadinov, Corvallis, OR (US);
Kianoush Naeli, Corvallis, OR (US);
Tony S. Cruz-Uribe, Independence, OR (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 2/135 (2006.01); B41J 2/14 (2006.01); B41J 2/045 (2006.01); B41J 2/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01); B41J 2/14233 (2013.01); B41J 2002/14241 (2013.01); B41J 2002/14338 (2013.01); B41J 2002/14491 (2013.01);
Abstract
In an embodiment, a method of circulating fluid in a fluid ejection device includes generating compressive and expansive fluid displacements of different durations from a first actuator located asymmetrically within a fluidic channel between a first fluid feedhole and a nozzle while generating no fluid displacements from a second actuator located asymmetrically within the channel between the nozzle and a second fluid feedhole.