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    • 43. 发明授权
    • Ink supply device for ink jet printer
    • 喷墨打印机供墨装置
    • US4931814A
    • 1990-06-05
    • US320930
    • 1989-03-08
    • Hisashi Yoshimura
    • Hisashi Yoshimura
    • B41J2/175G01D15/16B41J3/04
    • B41J2/175
    • An ink supply device for an ink jet printer includes a tank for storing ink and transports the ink from the tank to a nozzle at normal pressure by utilizing capillary effect. The tank is provided with an opening which connects the interior of the tank with the outside air but a one-way valve is at the opening such that air can move into but not out of the tank therethrough. A separate device for introducing air into the tank to increase the pressure inside the tank is provided such that air particles accumulating in the passageway between the tank and the nozzle can be removed easily as ink is pushed out of the tank.
    • 用于喷墨打印机的供墨装置包括用于储存油墨的罐,并且通过利用毛细管效应将油墨从油罐传送到常压下的喷嘴。 油箱设有一个将罐的内部与外部空气相连的开口,但是单向阀处于开口处,使得空气可以移入罐中而不通过罐中。 提供用于将空气引入罐中以增加罐内的压力的单独装置,使得当油墨从罐中推出时,积聚在罐和喷嘴之间的通道中的空气颗粒可以容易地去除。