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    • 1. 发明授权
    • High-performance ink jet print head having an improved ink feed system
    • 具有改进的供墨系统的高性能喷墨打印头
    • US06003971A
    • 1999-12-21
    • US610564
    • 1996-03-06
    • David W. HanksMeade NealSharon S. BergerDonald B. MaclaneNasser AlavizadehRonald F. BurrWilliam H. Tomison
    • David W. HanksMeade NealSharon S. BergerDonald B. MaclaneNasser AlavizadehRonald F. BurrWilliam H. Tomison
    • B41J2/14B41J2/155B41J2/175B41J2/21A47J27/00B41J2/045H05B1/00
    • B41J2/155B41J2/175B41J2/17593B41J2002/14306B41J2002/14419
    • An ink jet array print head (101) includes four media-width linear ink jet arrays (100). Ink flows from four sets of manifolds (106) through acoustically matched inlet filters (116), inlet ports (117), inlet channels (118), pressure chamber ports (120), and ink pressure chambers (122). Ink leaves the pressure chambers through outlet ports (124) and flows through oval outlet channels (128) to orifices (108), from which ink drops (110) are ejected. The ink pressure chambers are bounded by flexible diaphragms (130) to which piezo-ceramic transducers (132) are bonded. To minimize inter-jet cross-talk caused by pressure fluctuations in the manifolds, compliant walls (150) form one wall along the entire length of each manifold. An improved ink feed system (210) supplies four colors of ink to the print head. Phase-change inks are melted and deposited in ink catch basins (202), funneled into ink storage reservoirs (204), and fed to the print head through ink stack feeds (206) having substantially equal lengths and cross-sectional areas to improve jetting uniformity. Manifold tapering, inlet port positioning, and an elevationally upward slope of the ink stack feeds enhances purgeability of the ink feed system and the ink jet print head.
    • 喷墨阵列打印头(101)包括四个中等宽度线性喷墨阵列(100)。 墨水通过声学匹配的入口过滤器(116),入口端口(117),入口通道(118),压力室端口(120)和墨水压力室(122)从四组歧管(106)流出。 墨水通过出口(124)离开压力室,并通过椭圆形出口通道(128)流到喷嘴(108),墨滴(110)从中喷出。 墨压力室由压电陶瓷换能器(132)接合的柔性隔膜(130)界定。 为了最小化由歧管中的压力波动引起的喷气间串扰,顺从壁(150)沿着每个歧管的整个长度形成一个壁。 改进的供墨系统(210)向打印头供应四种颜色的墨水。 相变油墨熔化并沉积在油墨捕集池(202)中,漏斗进入油墨储存器(204),并通过具有基本相同的长度和横截面积的油墨堆积进料(206)进料到打印头,以改善喷射 均匀性 歧管锥形,入口端口定位以及油墨堆叠进料的向上倾斜增强了墨水供给系统和喷墨打印头的清洁能力。
    • 2. 发明授权
    • High-performance ink jet print head
    • 高性能喷墨打印头
    • US5907338A
    • 1999-05-25
    • US372422
    • 1995-01-13
    • Ronald F. BurrSharon S. BergerWilliam H. TomisonDavid A. Tence
    • Ronald F. BurrSharon S. BergerWilliam H. TomisonDavid A. Tence
    • B41J2/21B41J2/01B41J2/045B41J2/055B41J2/14B41J2/155B41J2/16
    • B41J2/155B41J2002/14306B41J2002/14419
    • An ink jet array print head (101) includes four media-width linear ink jet arrays (100). Ink flows from four sets of manifolds (106) through acoustically matched inlet filters (116), inlet ports (117), inlet channels (118), pressure chamber ports (120), and ink pressure chambers (122). Ink leaves the pressure chambers through outlet ports (124) and flows through oval outlet channels (128) to orifices (108), from which ink drops (110) are ejected. The ink pressure chambers are bounded by flexible diaphragms (130) to which piezo-ceramic transducers (132) are bonded. To minimize inter-jet cross-talk caused by pressure fluctuations in the manifolds, compliant walls (150) form one wall along the entire length of each manifold. An ink feed system (200) supplies four colors of ink to the print head. Phase-change inks are melted and deposited in ink catch basins (202), funneled into ink storage reservoirs (204), and fed to the-print head through ink stack feeds (206). Manifold tapering, inlet port positioning, and an elevationally upward slope of the ink stack feeds enhances purgability of the ink feed system and the ink jet print head.
    • 喷墨阵列打印头(101)包括四个中等宽度线性喷墨阵列(100)。 墨水通过声学匹配的入口过滤器(116),入口端口(117),入口通道(118),压力室端口(120)和墨水压力室(122)从四组歧管(106)流出。 墨水通过出口(124)离开压力室,并通过椭圆形出口通道(128)流到喷嘴(108),墨滴(110)从中喷出。 墨压力室由压电陶瓷换能器(132)接合的柔性隔膜(130)界定。 为了最小化由歧管中的压力波动引起的喷气间串扰,顺从壁(150)沿着每个歧管的整个长度形成一个壁。 供墨系统(200)向打印头供应四种颜色的墨水。 相变油墨熔化并沉积在油墨捕集池(202)中,漏斗进入油墨储存器(204),并通过油墨堆积进料(206)送入打印头。 歧管锥形,入口端口定位以及油墨堆叠进料的向上倾斜增加了墨水供给系统和喷墨打印头的可抽吸性。