Ink jet printing
US8210663B2 · kind B2 · utility
1Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2008 |
| Grant date | Jul 3, 2012 |
| Priority date | — |
| Expiry date | Jul 2, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/185
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A continuous ink jet printer comprises a gutter for collecting ink droplets not used in printing. Pumping apparatus draws ink from the gutter and control apparatus is configured to vary the level of pumping by the pumping apparatus depending on the temperature or other parameter of the ink. As the temperature of the ink increases the level of pumping is reduced. The pumping apparatus may comprise two venturi pumps connected in parallel each having its throat connected to the gutter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.