Ultrasonic removal of solid impurities from recirculating ink

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow

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Details

210 84, 55446, 101366, 118603, 346140R, 261DIG48, B01D 4300

Patent

active

040111571

ABSTRACT:
In an ink jet printer solid impurities contaminating recirculating ink are removed by subjecting contaminated ink to ultrasonic energy for forming an aerosol of the ink. The aerosol of ink is entrained in an air stream and carried to impactor means where the ink aerosol is caused to return to a liquid state.

REFERENCES:
patent: 2088994 (1937-08-01), Corey
patent: 3729138 (1973-04-01), Tysk
patent: 3929071 (1975-12-01), Cialone et al.
patent: 3959798 (1976-05-01), Hochberg et al.

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