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    • 4. 发明申请
    • INK CIRCULATION SYSTEM FOR INKJET PRINTING
    • 用于喷墨打印的墨水循环系统
    • WO2006064036A1
    • 2006-06-22
    • PCT/EP2005/056809
    • 2005-12-15
    • AGFA-GEVAERTWOUTERS, PaulVERHOEST, BartVAN DE WYNCKEL, WernerJANSSENS, RobertKEMPENEERS, Erwin
    • WOUTERS, PaulVERHOEST, BartVAN DE WYNCKEL, WernerJANSSENS, RobertKEMPENEERS, Erwin
    • B41J2/175
    • B41J2/18B41J2/1707B41J2/17556
    • An ink circulation system (1) for use in an inkjet printing apparatus includes an inkjet printhead (10), a supply subtank (20) for containing a supply of ink for the inkjet printhead (10) and a return subtank (30) for containing a surplus of ink not used by the inkjet printhead (10) . The supply subtank (20) is coupled with the return subtank (30) and with the inkjet printhead (10) via a first fluid path. A second fluid path couples the return subtank (30) with the supply subtank (20) for circulating the ink from the return subtank (30) back to the supply subtank (20) . This way a closed ink circulation path is realized. The ink flow from the supply subtank (20) to the inkjet printhead (10) and to the return subtank (30) is controlled by means of a pressure difference (P3-P2, ΔP) between the ink in the supply subtank (20) and the ink in the return subtank (30). A back pressure at the nozzle of the inkjet printhead (10) is established via active pressure control means (P2, P3).
    • 一种用于喷墨打印设备的油墨循环系统(1)包括喷墨打印头(10),用于容纳用于喷墨打印头(10)的油墨供应的供应子容器(20)和用于容纳 喷墨打印头(10)未使用的墨水剩余。 供应子容器(20)通过第一流体路径与返回子容器(30)和喷墨打印头(10)耦合。 第二流体通路将返回子容器(30)与供应子容器(20)相耦合,用于将墨从回流子容器(30)循环回供给子容器(20)。 这样就实现了封闭的油墨循环路径。 通过在供应子容器(20)中的墨水之间的压力差(P3-P2,ΔP)来控制从供给子容器(20)到喷墨打印头(10)和返回子容器(30) )和返回子容器(30)中的墨水。 通过主动压力控制装置(P2,P3)建立喷墨打印头(10)喷嘴处的背压。
    • 7. 发明申请
    • INK DEGASSING FOR CIRCULATING INK SUPPLY SYSTEMS IN INK JET PRINTERS
    • 喷墨打印机中的墨水供应系统的墨水分离
    • WO2008080895A1
    • 2008-07-10
    • PCT/EP2007/064415
    • 2007-12-21
    • AGFA GRAPHICS NVWOUTERS, PaulVAN DE WYNCKEL, Werner
    • WOUTERS, PaulVAN DE WYNCKEL, Werner
    • B41J2/175
    • B41J2/19B41J2/175
    • An ink circulation system which improves the degassing quality of the ink supplied an ink jet print head of a printing apparatus is provided. The ink circulation system includes a supply subtank (20) for supplying ink to an ink jet print head (10) and a return subtank (30) returning the ink not ejected by the ink jet print head (10). A print circulation path links the supply subtank (20) with the ink jet print head (10) and the return subtank (30) for providing a print flow of ink from the supply subtank (20) to the ink jet print head (10), the return subtank (30), and back to the supply subtank (20). A degas circulation path links the supply subtank (20) with a through-flow degassing unit (60) for providing a degas flow of ink from the supply subtank (20) to the through-flow degassing unit (60) and back to the supply subtank (20).
    • 提供一种提高印刷装置的喷墨打印头供墨的脱气质量的油墨循环系统。 油墨循环系统包括用于将油墨供应到喷墨打印头(10)的供应子容器(20)和返回未被喷墨打印头(10)喷射的墨的返回子介质(30)。 打印循环路径将供应子介质(20)与喷墨打印头(10)和返回子介质(30)连接,用于提供从供应子容器(20)到喷墨打印头(10)的墨水打印流程, ,返回子标签(30),并返回到供应子标签(20)。 脱气循环路径将供应子容器(20)与通流脱气单元(60)连接,用于提供从供给子容器(20)到通流脱气单元(60)的墨水脱气并返回到供应源 子树(20)。