Ink flow heat exchanger for inkjet printhead

Details Ink flow heat exchanger for inkjet printhead Ink flow heat exchanger for inkjet printhead

1996-11-13

1998-09-29

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

347 85, B41J 219

Patent

active

058151850

ABSTRACT:
An ink conduit for an inkjet printhead is disclosed which increases the velocity of ink flowing across the back surface of a substrate and into ink ejection chambers. The increased velocity of ink across the back surface of the substrate results in greater removal of heat from the substrate. This increased ink velocity is achieved by providing narrow ink conduit openings proximate to the back surface of the substrate. To avoid air bubbles becoming trapped in the relatively narrow ink conduit, one or more pockets are formed to allow the accumulation of bubbles, so that the bubbles do not affect the ink flow through the ink conduit and into the ink ejection chambers.

REFERENCES:
patent: 5459498 (1995-10-01), Seccombe et al.

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