Invention Grant
US08851639B2 Liquid ejection apparatus 有权
液体喷射装置

Liquid ejection apparatus
Abstract:
A liquid ejection apparatus includes: a head including: a nozzle configured to eject liquid; a supply port to which the liquid is continuously supplied; and a recovery port from which the liquid is continuously recovered; a supply flow channel through which the liquid is supplied to the head; and a recovery flow channel through which the liquid is recovered from the head. A flow channel resistance inside the head from the supply port to the nozzle is R_HEAD_IN. A flow channel resistance inside the head from the nozzle to the recovery port is R_HEAD_OUT. A flow channel resistance of the supply flow channel is R_CHANNEL_IN. A flow channel resistance of the recovery flow channel is R_CHANNEL_OUT. The supply and recovery flow channels are laid out so as to satisfy a condition of R_CHANNEL_IN>R_CHANNEL_OUT when R_HEAD_IN>R_HEAD_OUT, or a condition of R_CHANNEL_IN
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