Air turbulence control of inflight ink droplets in non-impact re

Details Air turbulence control of inflight ink droplets in non-impact re Air turbulence control of inflight ink droplets in non-impact re

1975-10-24

1976-07-27

Miller, Jr., George H.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, G01D 1518

Patent

active

039720519

ABSTRACT:
A laminar air flow passageway through which ink droplets are directed before striking a moving print medium, having a portion of the passageway contoured to expand toward the print medium for slowing a column of air passing therethrough before the column reaches the document. Air suction apertures located in the expanded portion of the passageway and near the print medium provide withdrawal of the airflow to prevent air buildup at the document interface and to maintain laminarity as the air slows. A separate embodiment includes a single air suction aperture located in the upper portion of a gently expanding air passsageway for airflow withdrawal.

REFERENCES:
patent: 3596275 (1971-07-01), Sweet
patent: 3681778 (1972-08-01), Keur
patent: 3936135 (1976-02-01), Duffield

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