System for sensing capacity state of liquid container
US8500226B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2011 |
| Grant date | Aug 6, 2013 |
| Priority date | — |
| Expiry date | Jan 26, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87338
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A system for sensing a predetermined pressure change at a port of a liquid container for supplying liquid to a printer, the system having a liquid delivery apparatus connected to a liquid container via a fluid line and a sensing arrangement connected to the fluid line, wherein the liquid container has an internal fluid pressure changing member configured so that contact with liquid being delivered by the liquid delivery apparatus causes the predetermined pressure change in the fluid line, and the sensing arrangement is configured to sense the predetermined pressure change in the fluid line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.