Liquid ejection system with air humidifying means operative duri

Details Liquid ejection system with air humidifying means operative duri Liquid ejection system with air humidifying means operative duri

1979-03-16

1980-09-16

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1518

Patent

active

042233240

ABSTRACT:
A liquid ejection system comprises a writing head having a liquid chamber for containing liquid therein, a liquid discharge channel, an electromechanical transducer for generating pressure rises in the liquid in the liquid chamber for discharging the liquid through the liquid discharge channel, an air chamber having an air discharge channel coaxially aligned with the liquid discharge channel for discharging dry air from the air chamber along the passage of the ejected liquid. A humidifier, which is operative during the standby mode of the system, is provided to humidify the air supplied to the air chamber. A closing member is mounted with respect to the writing head and operative to close its air discharge channel during the standby mode to direct the humidified air through the exit side of the liquid discharge channel to maintain the liquidity of the liquid in the liquid discharge channel during the standby period and open the air discharge channel during the operational period to allow ejection of dry air simultaneously with liquid to a writing surface.

REFERENCES:
patent: 4097872 (1978-06-01), Giordano et al.
patent: 4106032 (1978-08-01), Miura et al.
patent: 4146900 (1979-03-01), Arnold

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