Recorders – Record receiver deforming
Patent
1980-06-13
1982-08-24
Hartary, Joseph W.
Recorders
Record receiver deforming
210137, 210167, 346140R, G01D 1518
Patent
active
043463886
ABSTRACT:
A fluid supply system for an ink jet print head includes a recirculating path through a fluid pump, an inertial filter, and a variable restriction valve. Filtrate effluent from the inertial filter passes from the recirculating fluid path through a fixed restriction to the fluid supply line for the print head. The pressure drop across the fixed restriction is monitored and is utilized to control adjustment of the variable restriction valve in the recirculating fluid path such that the flow rate to the print head supply line is held constant. By this arrangement, the fluid within the print head may be maintained at a constant pressure level without the need for a pressure monitoring device directly associated with the print head.
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Hartary Joseph W.
The Mead Corporation
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