Patent ID: 7837306
Filing Date: 2010-11-23
Classification: B41J

Abstract:
1. A valve unit for opening and closing a flow passage, the valve unit comprising: a laminate body including a plurality of plate members laminated together and forming the flow passage; a valve portion arranged in the laminate body operable to open and close the flow passage; a drive portion that generates drive force for driving the valve portion, with the valve portion opening the flow passage based on the drive force of the drive portion; and a transmission portion arranged between the valve portion and the drive portion for transmitting the drive force of the drive portion to the valve portion; wherein the plurality of plate members includes: a second plate member including a hole functioning as part of the flow passage, with the valve portion being moved between a closing position for closing the hole and an opening position for opening the hole based on the drive force of the drive portion transmitted by the transmission portion; and