Piezoelectric inkjet head
US8038263B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Oct 18, 2011 |
| Priority date | — |
| Expiry date | Jul 16, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2002/14475
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A piezoelectric inkjet head includes a plurality of pressure chambers filled with ink that is to be ejected, a manifold to supply ink to the pressure chambers and extending in both sides of each of the pressure chambers parallel to a direction in which the pressure chambers are arranged, a restrictor to connect the manifold to each of the pressure chambers, and to be connected to both ends of each of the pressure chambers in a longitudinal direction, a plurality of piezoelectric actuators respectively corresponding to the pressure chambers, and at least one nozzle respectively connected to each of the pressure chambers, and to be symmetrically arranged with respect to the centerline in a longitudinal direction of each of the pressure chamber. The at least one nozzle includes a first nozzle and at least two second nozzles, the first nozzle is disposed to correspond to the centerline in the longitudinal direction of each of the pressure chambers, and the second nozzles are disposed in both sides of the first nozzle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.