Patent ID: 7290866
Filing Date: 2007-11-06
Classification: B41J

Abstract:
1. A liquid discharging apparatus comprising: a channel unit including a common liquid chamber; a pressure chamber having two opposite walls substantially parallel to a direction in which a pressure wave propagates in the pressure chamber; a nozzle; a separate liquid channel which is formed in the channel unit and extends from the common liquid chamber through the pressure chamber to the nozzle; an inlet port through which a liquid flows from the common liquid chamber into the pressure chamber; and an outlet port through which the liquid flows from the pressure chamber toward the nozzle; an actuator which is fixed to the channel unit and changes a pressure of the liquid in the pressure chamber; and a barrier block which is arranged on at least one of the two opposite walls of the pressure chamber and which occupies a region crossing a straight line connecting the inlet and outlet ports.