Control of fluid carrier resistance and water concentration in a

Details Control of fluid carrier resistance and water concentration in a Control of fluid carrier resistance and water concentration in a

1997-11-19

1999-04-20

Brase, Sandra

Electrophotography

Image formation

Charging

399 50, G03G 1502

Patent

active

058951482

ABSTRACT:
An apparatus and method that insures an even distribution of liquid in an aquatron charging device across the entire length of the device. This enables uniform charging across the width of the photoreceptor. The present invention fills and pressurizes a porous tube with a liquid. The liquid evenly exudes from the pores along the entire length of the porous tube. A hydrophilic liquid retentive foam which contacts the photoreceptor surface is wrapped snugly around the tube. The conductivity and overall rate of dispensation of liquid is controlled by the pressure differential across the porous tube.

REFERENCES:
patent: 5264899 (1993-11-01), Mandel
patent: 5424813 (1995-06-01), Schlueter, Jr. et al.
patent: 5457523 (1995-10-01), Facci et al.
patent: 5493369 (1996-02-01), Sypula et al.
patent: 5510879 (1996-04-01), Facci et al.
patent: 5602626 (1997-02-01), Facci et al.
patent: 5708937 (1998-01-01), Lestrange et al.

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