Air removal device for ink supply mechanism, ink supply mechanism, and ink-jet printer

An air removal device for ink supply mechanism is provided which ensures separation of ink from an air permeable membrane after removal of air is completed. The air removal device includes an ink chamber, an air discharge passage, an air permeable membrane, a pump, and a movable member. The movable...

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Bibliographic Details
Main Author Takemoto, Takatoshi
Format Patent
LanguageEnglish
Published 27.01.2009
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Summary:An air removal device for ink supply mechanism is provided which ensures separation of ink from an air permeable membrane after removal of air is completed. The air removal device includes an ink chamber, an air discharge passage, an air permeable membrane, a pump, and a movable member. The movable member is designed to be displaced between a first position and a second position. When the movable member is displaced to the second position to operate the pump, air collected in the ink chamber is discharged to the air discharge passage. When the pump is stopped and the movable member is displaced to the first position, one or both of air left in a portion of space in the ink chamber and air present downstream in an air discharge direction of the air permeable membrane flows in between the air permeable membrane and the ink inside the ink chamber.