Air detection in inkjet pens
US7988265B2 · kind B2 · utility
12Cited by
22References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 27, 2006 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Jul 16, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/19
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An inkjet pen includes a standpipe plenum, a printhead in fluid communication with the standpipe plenum, and a detector for detecting the amount of air in the standpipe plenum. A printing system including such an inkjet pen further includes structure for removing air from the standpipe plenum. Air is removed from the standpipe plenum when the amount of air detected in the standpipe plenum reaches a predetermined level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.