Multi-path valve for printhead
US8636346B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Nov 27, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87338
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A multi-path valve for a media width inkjet printhead, the printhead being connected to an ink source via a closed ink flow loop, the valve having a body, a first port on the body for connection to the ink source, a second port on the body for connection to the printhead, a third port on the body for connection to a bypass ink path which bypasses the printhead on the closed loop, a fourth port on the body for connection to a gas vent on the closed loop, a chamber within the body via which the first, second, third and fourth ports are able to be interconnected and a selection device for selectively establishing interconnection between the first, second, third and fourth ports to allow ink flow therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.