Apparatus to damp turbulence in an ink jet fluid supply chamber

Details Apparatus to damp turbulence in an ink jet fluid supply chamber Apparatus to damp turbulence in an ink jet fluid supply chamber

B - Operations, Transporting

41

J

101/96.0218

B41J 2/17 (2006.01)

Patent

CA 1284596

APPARATUS TO DAMP TURBULENCE IN AN INK JET FLUID SUPPLY CHAMBER ABSTRACT A turbulence damping apparatus for a fluid supply chamber of an ink-jet printing head assembly substantially damps multiaxis or turbulent fluid flow immediately upstream of an orifice plate from which at least one column of sequential fluid droplets is issued. The apparatus includes a center support member which defines openings and is adapted for rigid disposition in the fluid supply chamber to thus define upper and lower subchambers. Upper and lower damping structures are rigidly fixed to the upper and lower surfaces, respectively, of the center support member. The upper and lower damping structures respectively include upper and lower apertures such that initial damping of turbulent fluid flow is effected as the fluid flows through the upper apertures and into the openings of the center support member with final damping of the turbulent flow being accomplished as the fluid flows through the lower apertures.

527748

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