Pressure pump system
US7111917B2 · kind B2 · utility
12Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2004 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Sep 26, 2024 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/17596
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system for delivering at least two distinct pressures to a print head of an ink jet printer includes a pump, a passage in communication with the pump and the print head, and a valve. The pump is for delivering positive pressure to the print head of the ink jet printer. The passage includes an opening, and the valve selectively opens and closes the opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.