Invention Grant
US09457579B2 Fluid circulation 有权
流体循环

Fluid circulation
Abstract:
A method for use in fluid jetting, the method includes recirculating a fluid between a first container and a second container through a flow path in a printhead, the flow path includes a nozzle through which jets fluid from either the first container or second container which supplies the fluid for jetting. A ratio of a recirculation fluid flow rate to an amount of fluid jetted through the nozzle depends on an operational parameter of the printhead, and the recirculation fluid flow rate includes an amount of the recirculation fluid passing by a cross-section of the flow path per second.
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