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    • 2. 发明授权
    • Ink jet printing system
    • 喷墨打印系统
    • US5910810A
    • 1999-06-08
    • US556255
    • 1995-11-13
    • Jeffrey B. BrooksCharles W. Spehrley, Jr.Steven H. BarssEdward R. MoynihanNathan P. HineDavid W. Gailus
    • Jeffrey B. BrooksCharles W. Spehrley, Jr.Steven H. BarssEdward R. MoynihanNathan P. HineDavid W. Gailus
    • B41J2/015B41J2/175B41J2/19B41J2/195B41J25/304
    • B41J25/304B41J2/175B41J2/17593B41J2/19B41J2/195
    • In the ink jet printing system described in the specification, a hot melt ink jet printhead having two ink reservoirs is coupled through an ink supply line to a remote hot melt ink supply and a temperature controller is arranged to control the temperatures of the ink in the remote ink supply, the supply line, the ink reservoirs in the printhead and passages leading from the reservoirs to the ink jet orifices at selected temperature levels to inhibit high-temperature degradation of the ink while permitting the ink to be jetted at the desired jetting temperature. In addition, a pressure control system controls the pressure of the ink in the printhead at one or more selected levels to permit the printhead to be used at different orientations and to permit purging of air bubbles and contaminants from the orifice passageways and to supply a relatively high vacuum to a deaerator in the printhead to extract dissolved air from the ink. A check valve in the ink supply line permits the printhead to be positioned at different elevations with respect to the remote ink supply without causing any undesired flow of ink between the reservoir and the printhead.
    • 在本说明书中描述的喷墨打印系统中,具有两个墨水储存器的热熔喷墨打印头通过墨水供应管线连接到远程热熔体墨水供应源,并且设置温度控制器以控制墨水的温度 远程供墨,供应管线,打印头中的油墨储存器和从储存器引导到选定温度水平的喷墨孔的通道,以抑制油墨的高温劣化,同时允许油墨以所需的喷射温度喷射 。 此外,压力控制系统以一个或多个选定的水平来控制打印头中的墨水的压力,以允许打印头以不同的取向使用并且允许从孔口通道清洗气泡和污染物并提供相对的 打印头中的脱气器的高真空度以从油墨中提取溶解的空气。 墨水供应线中的止回阀允许打印头相对于远程墨水供应处于不同的高度,而不会在储存器和打印头之间引起不期望的墨水流动。
    • 8. 发明授权
    • Ink supply system for an ink jet head
    • 用于喷墨头的供墨系统
    • US4937598A
    • 1990-06-26
    • US319630
    • 1989-03-06
    • Nathan P. HinePaul A. HoisingtonCharles W. Spehrley, Jr.Melvin BiggsRichard Carden
    • Nathan P. HinePaul A. HoisingtonCharles W. Spehrley, Jr.Melvin BiggsRichard Carden
    • B41J2/175B41J2/19G01D15/18
    • B41J2/175B41J2/19B41J2/17596B41J2202/12
    • In the representative ink supply system described in the specification, continuous circulation of ink in an ink jet head is accomplished by providing two reservoirs connected to each ink jet orifice through corresponding passages so that ink flows continuously from a high-level reservoir past the orifice to a low-level reservoir. The difference between the levels of ink in the reservoirs is maintained relatively constant by inertial pumping during reciprocal motion of the ink jet head or by pressure transfer of ink from one reservoir to the other reservoir. Cross-flow purging of air or debris from the ink jet head is effected by covering the ink jet orifices and applying air pressure to one reservoir to cause ink and any trapped air or debris to flow from the head to the other reservoir. A pump responsive to reciprocal motion of the ink jet head generates a positive air pressure which is applied during purging and a negative air pressure which is applied to a deaerator for removing dissolved air from the ink.
    • 在本说明书中描述的代表性供墨系统中,油墨在喷墨头中的连续循环通过提供通过相应通道连接到每个喷墨孔的两个储存器来实现,使得墨水从高级储存器连续流过孔, 一个低层次的水库。 通过在喷墨头的往复运动期间的惯性泵送或通过将油墨从一个储存器压力转移到另一储存器,储存器中的墨水量之间的差异保持相对恒定。 通过覆盖喷墨孔并将空气压力施加到一个储存器以使油墨和任何被捕获的空气或碎屑从头部流到另一个储存器来实现来自喷墨头的空气或碎屑的交叉流吹扫。 响应于喷墨头的往复运动的泵产生在吹扫期间施加的正空气压力和施加到脱气器的负空气压力,以从油墨中除去溶解的空气。
    • 9. 发明授权
    • Dual reservoir and valve system for an ink jet head
    • 用于喷墨头的双储存器和阀门系统
    • US5189438A
    • 1993-02-23
    • US799745
    • 1991-11-22
    • Nathan P. HinePaul A. HoisingtonCharles W. Spehrley, JrMelvin L. BiggsRichard Carden
    • Nathan P. HinePaul A. HoisingtonCharles W. Spehrley, JrMelvin L. BiggsRichard Carden
    • B41J2/175B41J2/19
    • B41J2/175B41J2/19B41J2/17596
    • In the representative ink supply system described in the specification, continuous circulation of ink in an ink jet head is accomplished by providing two reservoirs connected to each ink jet orifice through corresponding passages so that ink flows continuously from a high-level reservoir past the orifice to a low-level reservoir. The difference between the levels of ink in the reservoirs is maintained relatively constant by inertial pumping during reciprocal motion of the ink jet head or by pressure transfer of ink from one reservoir to the other reservoir. Cross-flow purging of air or debris from the ink jet head is effected by covering the ink jet orifices and applying air pressure to one reservoir to cause ink and any trapped air or debris to flow from the head to the other reservoir. A pump responsive to reciprocal motion of the ink jet head generates a positive air pressure which is applied during purging and a negative air pressure which is applied to a deaerator for removing dissolved air from the ink.
    • 在本说明书中描述的代表性供墨系统中,油墨在喷墨头中的连续循环通过提供通过相应通道连接到每个喷墨孔的两个储存器来实现,使得墨水从高级储存器连续流过孔, 一个低层次的水库。 通过在喷墨头的往复运动期间的惯性泵送或通过将油墨从一个储存器压力转移到另一储存器,储存器中的墨水量之间的差异保持相对恒定。 通过覆盖喷墨孔并将空气压力施加到一个储存器以使油墨和任何被捕获的空气或碎屑从头部流到另一个储存器来实现来自喷墨头的空气或碎屑的交叉流吹扫。 响应于喷墨头的往复运动的泵产生在吹扫期间施加的正空气压力和施加到脱气器的负空气压力,以从油墨中除去溶解的空气。