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US 8,556,390 B2Granted
Inkjet nozzle assembly having suspended beam heater element offset from nozzle aperture
AssigneeZamtec Ltd
InventorsAngus John North, Kia Silverbrook, Brian Robert Brown, Samuel James Myers, Jennifer Mia Fishburn, Samuel George Mallinson, Paul Justin Reichl
Life of this patent
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Abstract
An inkjet nozzle assembly includes a nozzle chamber having a planar roof spaced apart from a floor. A heater element is suspended in the nozzle chamber and is configured as a planar beam extending longitudinally and parallel with a plane of the roof. A nozzle aperture defined in the roof has a centroid offset from a longitudinal centroid of the planar beam.
Claims11
An inkjet nozzle assembly comprising:
- a nozzle chamber having a planar roof spaced apart from a floor, said roof having a nozzle aperture defined therein;
- and
- a heater element suspended in said nozzle chamber, said heater element being configured as a planar beam extending longitudinally and parallel with a plane of said roof;
- wherein:
- the nozzle aperture is elliptical having a major axis;
- the major axis of the nozzle aperture is parallel with a longitudinal axis of the beam;
- a centroid of the nozzle aperture is a centroid of the major axis;
- the centroid of the nozzle aperture is offset from a longitudinal centroid of the beam;
- and
- the major axis of the nozzle aperture overlaps with the longitudinal axis of the beam.
7 more elements
Dependencies are inferred from the claim text.