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    • 2. 发明授权
    • Liquid discharge head and recording apparatus provided with the liquid discharge head
    • 液体排出头和设置有排液头的记录装置
    • US06834940B2
    • 2004-12-28
    • US10400481
    • 2003-03-28
    • Hideyuki SugiokaTakayuki YagiTakeo Yamazaki
    • Hideyuki SugiokaTakayuki YagiTakeo Yamazaki
    • B41J205
    • B41J2/1404B41J2/14129B41J2/14145B41J2202/03B41J2202/11
    • A liquid discharging head for discharging liquid droplets utilizing generated bubbles by heating liquid to bubble comprises discharge port for discharging liquid droplets, bubbling chamber communicated with the discharge port for filling liquid; heat-generating member arranged in the bubbling chamber, being supported in a state of having gaps on both sides to the inner wall faces of the bubbling chamber; and supporting portion for supporting the heat-generating member. Then, after the generation of bubble in liquid by the heat-generating member, the sufrace temperature of the heat-generating member is made lower than the bubbling temperature at the time of bubble extinction by the heat radiation from the heat-generating member to the supporting portion side. In this way, it is made possible to prevent liquid from being heated again to generate bubble subsequent to the bubble extinction.
    • 用于通过将液体加热到气泡来产生气泡来排出液滴的液体排出头包括用于排出液滴的排出口,与用于填充液体的排出口连通的鼓泡室; 布置在所述鼓泡室中的发热元件以在所述鼓泡室的内壁面两侧具有间隙的状态被支撑; 以及用于支撑发热部件的支撑部。 然后,在通过发热部件产生液体中的气泡之后,使发热部件的转速低于通过从发热部件到发热部件的热辐射而发生气泡熄灭时的发泡温度 支撑部分侧。 以这种方式,可以防止在气泡消失之后液体再次被加热以产生气泡。