Print head sensing chamber circulation
US10449776B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2018 |
| Grant date | Oct 22, 2019 |
| Priority date | — |
| Expiry date | Sep 8, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A print head has a fluid slot and a sensing chamber having a first port connected to the fluid slot and a second port. The sensing chamber contains an ink level sensor. A circulation passage extends from the fluid slot and is fluidly coupled to the second port. A fluid pump circulates fluid through the circulation passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.