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1. 发明授权

US06497472B2 Self-cleaning ink jet printer and print head with cleaning fluid flow system 有权
标题翻译：自清洁喷墨打印机和打印头与清洗液流动系统
公开(公告)号：US06497472B2
公开(公告)日：2002-12-24
申请号：US09751236
申请日：2000-12-29
申请人： Ravi Sharma , Michael E. Meichle , Gilbert A. Hawkins , Omid Moghadam , John A. Quenin
发明人： Ravi Sharma , Michael E. Meichle , Gilbert A. Hawkins , Omid Moghadam , John A. Quenin
IPC分类号： B41J2165
CPC分类号： B41J2/16544 , B41J2/16552
摘要： According to one embodiment of the present invention, a print head comprises a print head body defining an interior chamber and an orifice plate. The orifice plate has an outer surface and further defines a cleaning fluid orifice through the orifice plate for conducting a flow of a cleaning fluid through the cleaning fluid orifice and onto an outer surface of said orifice plate. The orifice plate also defines a drain orifice for conducting a flow of cleaning fluid from the surface to the interior chamber. A supply of pressurized cleaning fluid is disposed in said cavity and connected to the cleaning fluid passageway. During cleaning operations, the fluid flow system defines a flow of a cleaning fluid from the passageway and onto said outer surface. The drain orifice receives cleaning fluid from the outer surface and channels the cleaning fluid into the fluid return.
摘要翻译：根据本发明的一个实施例，打印头包括限定内部腔室和孔板的打印头本体。孔板具有外表面并且进一步限定通过孔板的清洁流体孔口，用于使清洁流体流过清洁流体孔口并进入所述孔板的外表面。孔板还限定了用于将清洁流体从表面传导到内部室的排水孔。供应的加压清洗流体设置在所述空腔中并连接到清洁流体通道。在清洁操作期间，流体流动系统限定清洁流体从通道到所述外表面的流动。排水孔从外表面接收清洁流体并将清洁流体引导到流体回流中。

2. 发明授权

US06595617B2 Self-cleaning printer and print head and method for manufacturing same 有权
公开(公告)号：US06595617B2
公开(公告)日：2003-07-22
申请号：US09751620
申请日：2000-12-29
申请人： Ravi Sharma , Michael E. Meichle , Gilbert A. Hawkins , Omid Moghadam , John A. Quenin
发明人： Ravi Sharma , Michael E. Meichle , Gilbert A. Hawkins , Omid Moghadam , John A. Quenin
IPC分类号： B41J2165
CPC分类号： B41J2/16552
摘要： The present invention comprises a self-cleaning print head having an orifice plate defining an ink jet orifice, cleaning orifice and drain orifice. The orifice plate further defines an outer surface between the orifices. The print head has a source of pressurized cleaning fluid connected to the cleaning orifice and a fluid return connected to the drain orifice for storing used cleaning fluid. During cleaning operations, the source of pressurized cleaning fluid causes cleaning fluid to flow from the cleaning orifice, and the cleaning orifice directs the flow of cleaning fluid across the outer surface and the ink jet orifice and into the drain orifice.

3. 发明授权

US06312119B1 Method and apparatus for foam removal in an ink container 有权
标题翻译：在墨水容器中泡沫去除的方法和装置
公开(公告)号：US06312119B1
公开(公告)日：2001-11-06
申请号：US09606756
申请日：2000-06-29
申请人： Thomas E. Kocher , Omid Moghadam
发明人： Thomas E. Kocher , Omid Moghadam
IPC分类号： B41J219
CPC分类号： B01D19/02 , B41J2/17503 , B41J2/17513 , B41J2/17596 , B41J2/19
摘要： An apparatus for removing foam from an ink container of a printer including a nozzle disposed within the ink container such that the nozzle floats upon a surface of the ink located within the container. The nozzle contains a plurality of inlet channels located therein and an outlet communicating with the inlet channels. A vacuum source is coupled with the outlet of the nozzle to create a suction force within the inlet channels of the nozzle to remove foam located on the surface of the ink. As the level of the ink is depleted or added to the container, the nozzle remains on the surface of the ink and the foam is actively removed from the surface through the inlet channels.
摘要翻译：一种用于从打印机的墨水容器中除去泡沫的装置，其包括设置在墨水容器内的喷嘴，使得喷嘴浮在位于容器内的墨水的表面上。喷嘴包含位于其中的多个入口通道和与入口通道连通的出口。真空源与喷嘴的出口耦合以在喷嘴的入口通道内产生吸力，以去除位于油墨表面上的泡沫。当墨水的水平耗尽或添加到容器中时，喷嘴保留在墨水的表面上，并且通过入口通道主动从表面去除泡沫。

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