Impulse ink jet ink delivery apparatus

Details Impulse ink jet ink delivery apparatus Impulse ink jet ink delivery apparatus

1980-12-22

1982-07-20

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

043408966

ABSTRACT:
An apparatus is described for delivering ink to an array of impulse ink jet heads some of which may be at different vertical locations. A flow of ink is established along a supply conduit located vertically below the ink jet heads. Ink feed conduits connect at junctions to the supply conduit to provide the ink jet heads with ink. A plurality of flow impeding devices are employed between the junctions so as to enable the formation of columns of ink in the feed conduits of sufficient height to supply the ink to the impulse ink feed jets. Appropriate spacing of the ink jet heads above the top of the ink columns then provides required small negative ink pressures.

REFERENCES:
patent: 4126868 (1978-11-01), Kirner
patent: 4149172 (1979-04-01), Heinzl et al.

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