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    • 82. 发明授权
    • Container for liquid to be ejected
    • 用于液体的容器被排出
    • US6145972A
    • 2000-11-14
    • US971711
    • 1997-11-17
    • Kenta UdagawaHajime KishidaOsamu SatoKen TsuchiiKazuhiro Nakajima
    • Kenta UdagawaHajime KishidaOsamu SatoKen TsuchiiKazuhiro Nakajima
    • B41J2/175
    • B41J2/17556B41J2/17513B41J2/1752B41J2/17553
    • A container for containing liquid to be ejected. The container includes a negative pressure producing member accommodating chamber for accommodating a negative pressure producing member. The negative pressure producing member accommodating chamber is provided with an air vent for fluid communication with ambience and a liquid supply portion for supplying the liquid to a liquid ejecting head having ejection outlets. The container also includes a liquid containing chamber which is substantially hermetically sealed except for a fluid communication path through which the liquid containing chamber is in fluid communication with the negative pressure producing member accommodating chamber. A partition is provided for separating the negative pressure producing member accommodating chamber and the liquid containing chamber. The partition is provided with an ambience introduction path for introducing the ambience into the liquid containing chamber from the negative pressure producing member accommodating chamber. The ambience introduction path forms a capillary force generating portion. The capillary force which is produced by the capillary force generating portion satisfies a relationship between that capillary force and potential head differences, head losses, and other capillary forces in the container.
    • 用于容纳待喷射液体的容器。 容器包括用于容纳负压产生构件的负压产生构件容纳室。 负压产生构件容纳室设置有用于与环境流体连通的通气口和用于将液体供应到具有喷射出口的液体喷射头的液体供应部分。 容器还包括基本上气密密封的液体容纳室,除了液体容纳室与负压产生构件容纳室流体连通的流体连通路径。 设置有用于分离负压产生构件容纳室和液体容纳室的隔板。 隔壁设置有用于从负压产生构件容纳室将气氛引入液体容纳室的环境引导路径。 环境引导路径形成毛细管力产生部分。 由毛细管力产生部产生的毛细管力满足该毛细管力与潜在头部差异,头部损失以及容器中的其他毛细作用力之间的关系。
    • 87. 发明授权
    • Liquid ejection head and ink jet printing apparatus
    • 液体喷射头和喷墨打印设备
    • US08523325B2
    • 2013-09-03
    • US13147213
    • 2010-02-05
    • Masataka SakuraiKen Tsuchii
    • Masataka SakuraiKen Tsuchii
    • B41J2/14B41J2/04B41J2/05
    • B41J2/04501B41J2/1404B41J2/14072B41J2/14145B41J2002/14467
    • A power supply-heater wiring and a heater-driving circuit wiring for a heater located on the right side of a supply port can be laid out utilizing a beam portion configured to separate supply ports from each other. Furthermore, a plurality of supply ports are provided to supply ink to channels and pressure chambers and separated from one another by beam portions. Thus, an ejection structure such as an ejection opening can be located on both sides of each of the supply ports. Even if the ejection structures are relatively densely arranged, the heaters and the like can have necessary and sufficient sizes and locations without being restricted by the arrangement. A wiring connecting the heater to the power supply wiring or driving circuit is also laid out on the beam portion serving as a partition wall for the supply ports.
    • 可以利用被配置为将供应端口彼此分离的梁部分布置用于位于供应口右侧的加热器的电源加热器布线和加热器驱动电路布线。 此外,提供多个供应口以向通道和压力室供应墨水并且通过光束部分彼此分离。 因此,诸如排出口的排出结构可以位于每个供给口的两侧。 即使喷射结构相对密集地布置,加热器等可以具有必要且足够的尺寸和位置,而不受该布置的限制。 将加热器连接到电源线或驱动电路的布线也布置在用作供应端口的分隔壁的梁部分上。
    • 88. 发明授权
    • Liquid ejection head
    • 液体喷头
    • US08205979B2
    • 2012-06-26
    • US12636109
    • 2009-12-11
    • Eisuke NishitaniToru YamaneTomoyuki InoueKen Tsuchii
    • Eisuke NishitaniToru YamaneTomoyuki InoueKen Tsuchii
    • B41J2/175B41J2/15B41J2/14B41J2/05
    • B41J2/17563B41J2/1404B41J2/1433B41J2002/14475
    • A liquid ejection head includes ejection orifices allowing liquid to be ejected therethrough, passages communicating with the ejection orifices and the pressure chambers each accommodating an energy generating element generating energy for ejecting the liquid therein, a supply port supplying the liquid to the passages, and a filter including substantially cylindrical members between the supply port and passages and having openings. Each of the ejection orifices has a substantially circular cross section having larger and smaller diameters substantially perpendicularly to its liquid ejecting direction. Each of the openings has a substantially rectangular cross section having longer and shorter sides substantially perpendicularly to its liquid supplying direction. The relationships D1>L1, D1 L2≧D1 are satisfied where D1 is the smaller diameter, D2 is the larger diameter, L1 is the shorter side, and L2 is the longer side.
    • 液体喷射头包括允许液体喷射通过的喷射孔,与喷射孔连通的通道和每个容纳能量产生元件的压力室,所述能量产生元件产生用于在其中喷射液体的能量产生元件,将液体供应到通道,以及 过滤器包括在供给口和通道之间并具有开口的基本上圆柱形的构件。 每个喷射孔具有基本上圆形的横截面,其具有大致垂直于其液体喷射方向的更大和更小的直径。 每个开口具有基本上矩形的横截面,其具有基本垂直于其液体供应方向的较短和短边。 满足关系D1> L1,D1 L2≥D1,其中D1是较小的直径,D2是较大的直径,L1是较短的一侧,L2是较长的一侧。
    • 90. 发明授权
    • Liquid ejection recording head having element substrate with plural supply ports
    • 具有多个供给口的元件基板的液体喷射记录头
    • US08083325B2
    • 2011-12-27
    • US12389981
    • 2009-02-20
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • Tomoyuki InoueKen TsuchiiMasataka SakuraiAkiko Saito
    • B41J2/05
    • B41J2/1404B41J2/1408B41J2/14145B41J2002/14387B41J2002/14403B41J2002/14467
    • A liquid ejection recording head includes an element substrate having plural ejection energy generating elements, an ejection outlet array of plural ejection outlets, and bubble generation chambers. The element substrate includes a first liquid supply port provided along an arrangement direction of the ejection outlets, and plural second ink supply ports disposed between a lateral end of the substrate and the chambers. Each bubble generation chamber communicates with the first and second liquid supply ports through first and second liquid supply passages, respectively. The element substrate has a thermal resistance against heat flowing from the ejection energy generating elements along a direction perpendicular to the array direction and parallel to a surface of the substrate. The thermal resistance, per unit length with respect to the array direction, at both end portions of the array is larger than that at a central portion of the ejection outlet array.
    • 液体喷射记录头包括具有多个喷射能量产生元件的元件基板,多个喷射出口的喷射出口阵列和气泡发生室。 元件基板包括沿着喷射出口的排列方向设置的第一液体供应端口,以及设置在基板的横向端部和室之间的多个第二供墨口。 每个气泡产生室分别通过第一和第二液体供应通道与第一和第二液体供应口连通。 元件基板具有耐热喷射能量产生元件沿着与阵列方向垂直的方向并平行于基板表面的热阻。 阵列两端的每单位长度相对于阵列方向的热阻大于喷射出口阵列的中心部分处的热阻。