Multifunction cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head
US4910529A · kind A · utility
25Cited by
9References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1987 |
| Grant date | Mar 20, 1990 |
| Priority date | — |
| Expiry date | Dec 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2506
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a cell having a variable volume chamber and a fluid supply circuit for an ink jet printing head which is equipped therewith, the cell including a variable volume chamber (1) connected to a pressure sensor (5) and to at least a pair of valves (7, 9) each associated with a restriction (8, 10); the variation of volume being obtained by a piston actuated by an eccentric (3) secured to the rotor of a motor (4).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.