EP 2043868 A1 20090408 - INK PRESSURE REGULATOR WITH BUBBLE POINT PRESSURE REGULATION
Title (en)
INK PRESSURE REGULATOR WITH BUBBLE POINT PRESSURE REGULATION
Title (de)
TINTENDRUCKREGLER MIT BLASENPUNKTDRUCKREGELUNG
Title (fr)
RÉGULATEUR DE PRESSION D'ENCRE POUVANT RÉGULER LA PRESSION AU POINT DE BULLE
Publication
Application
Priority
- AU 2007000676 W 20070521
- US 48297806 A 20060710
- US 64035906 A 20061218
Abstract (en)
[origin: WO2008006139A1] An ink pressure regulator for regulating a hydrostatic pressure of ink supplied to an inkjet printhead, said regulator comprising: an ink chamber having an ink outlet for fluid communication with the printhead via an ink line; an air inlet open to atmosphere; a bubble outlet for bubbling air bubbles into the chamber, each air bubble comprising an air cavity trapped inside a film or a body of ink; and an air channel connecting the air inlet and the bubble outlet, wherein said bubble outlet is dimensioned to control a Laplace pressure of air bubbles drawn into said chamber as result of supplying ink to the printhead, thereby regulating a hydrostatic pressure of the ink.
IPC 8 full level
B41J 2/175 (2006.01)
CPC (source: EP)
B41J 2/17513 (2013.01); B41J 2/17556 (2013.01); B41J 2/19 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2008006139 A1 20080117; EP 2043868 A1 20090408; EP 2043868 A4 20100526; EP 2043868 B1 20130102; JP 2010503547 A 20100204
DOCDB simple family (application)
AU 2007000676 W 20070521; EP 07718922 A 20070521; JP 2009518678 A 20070521