Patent ID: 8608300
Filing Date: 2013-12-17
Classification: B41J

Abstract:
1. A liquid circulation system to be installed in a liquid discharging machine for discharging liquid, comprising: a liquid discharge head having a plurality of nozzles for discharging liquid and a shared flowing route connected to the nozzles; a liquid container for storing the liquid to be supplied to the liquid discharge head; a first flowing route for supplying the liquid from the liquid container to one end of the shared flowing route; a second flowing route for refluxing the liquid from the other end of the shared flowing route to the liquid container; and a differential pressure generating section for generating a differential pressure between a supply port, through which the liquid is supplied from the liquid container to the first flowing route, and a reflux port, through which the liquid is refluxed from the second flowing route to the liquid container, in the liquid stored in the liquid container, the differential pressure generating section includes an impeller, the liquid container is provided with a partition plate for partitioning the liquid container into two areas, the partition plate includes a center opening and a plurality of surrounding openings, the reflux port is placed in one area, and the supply port and the impeller are placed in the other area.