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    • 6. 发明授权
    • Ink supply for pressurized ink jet
    • 用于加压喷墨的墨水供应
    • US4042937A
    • 1977-08-16
    • US691699
    • 1976-06-01
    • Francis James PerryAnthony Vesci
    • Francis James PerryAnthony Vesci
    • B05B9/00B41J2/175G01D15/18
    • G01D15/18B41J2/175
    • Ink supply system and sequencing for purge, startup, operation, and shutoff of pressurized ink jet systems. Employing an ink jet head having an inlet, startup is accomplished by filling the head with ink, closing an inlet valve, building pressure behind the valve to a level significantly greater than required for operation, and opening the valve. The system includes an inlet valve connecting a pump from a reservoir to the ink jet head, and an outlet valve connecting an outlet from the head to the reservoir and a vacuum source. At shutoff, the inlet valve is closed with the outlet valve open to create a negative pressure in the head.
    • 墨水供应系统和用于清洗,启动,操作和关闭加压喷墨系统的排序。 使用具有入口的喷墨头,通过用墨水填充头部,关闭入口阀,阀后面的建筑压力到明显大于操作所需的水平并打开阀门来实现启动。 该系统包括将泵从储存器连接到喷墨头的入口阀以及将头部的出口连接到储存器的出口阀和真空源。 关闭时,入口阀关闭,出口阀打开以在头部产生负压。