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1. 发明授权

US5168285A Modal ink jet printing system 失效
标题翻译：模式喷墨打印系统
公开(公告)号：US5168285A
公开(公告)日：1992-12-01
申请号：US610886
申请日：1990-11-07
申请人： Thomas H. Winslow
发明人： Thomas H. Winslow
IPC分类号： B41J2/175
CPC分类号： B41J2/175
摘要： An ink jet pen has two modes of operation, a normal speed mode and a high speed mode. In the normal speed mode, the pen's ink reservoir is maintained at a desired below-atmospheric pressure by a bubble generator orifice that introduces air from an atmospherically vented chamber into the reservoir to relieve the partial vacuum caused by ejection of ink. In the high speed mode, a heater heats air trapped in the ink reservoir. As the air tries to expand, it pressurizes the ink and causes it more quickly to refill the pen's ink-ejecting nozzle after firing. The pen can thus be fired at a faster rate. The bubble generator orifice is blocked during the high speed mode by the first droplet of ink expelled through the orifice, which acts to wet and seal a vent tube.
摘要翻译：喷墨笔具有两种操作模式，正常速度模式和高速模式。在正常速度模式中，笔的墨水储存器通过气泡发生器孔口保持在期望的低于大气压的压力，该气泡发生器孔口将空气从大气通风的腔室引入储存器以减轻由喷射墨水引起的部分真空。在高速模式中，加热器加热捕获在储墨器中的空气。当空气试图膨胀时，它对油墨加压，并且在烧制之后使其更快地重新填充笔的喷墨喷嘴。因此，笔可以以更快的速度被点燃。在高速模式期间，气泡发生器孔口被通过孔排出的第一墨滴被阻塞，其作用是湿润和密封排气管。

2. 发明授权

US4994824A Modal ink jet printing system 失效
标题翻译：模式喷墨打印系统
公开(公告)号：US4994824A
公开(公告)日：1991-02-19
申请号：US285915
申请日：1988-12-16
申请人： Thomas H. Winslow
发明人： Thomas H. Winslow
IPC分类号： B41J2/01 , B41J2/05 , B41J2/175 , B41J2/205
CPC分类号： B41J2/175
摘要： An ink jet pen has two modes of operation, a normal speed mode and a high speed mode. In the normal speed mode, the pen's ink reservoir is maintained at a desired below-atmospheric pressure by a bubble generator orifice that introduces air from an atmospherically vented chamber into the reservoir to relieve the partial vacuum caused by ejection of ink. In the high speed mode, a heater heats air trapped in the ink reservoir. As the air tries to expand, it pressurizes the ink and causes it more quickly to refill the pen's ink-ejecting nozzle after firing. The pen can thus be fired at a faster rate. The bubble generator orifice is blocked during the high speed mode by the first droplet of ink expelled through the orifice, which acts to wet and seal a vent tube.
摘要翻译：喷墨笔具有两种操作模式，正常速度模式和高速模式。在正常速度模式中，笔的墨水储存器通过气泡发生器孔口保持在期望的低于大气压的压力，该气泡发生器孔口将空气从大气通风室引入储存器以减轻由喷射墨水引起的部分真空。在高速模式中，加热器加热捕获在储墨器中的空气。当空气试图膨胀时，它对油墨加压，并且在烧制之后使其更快地重新填充笔的喷墨喷嘴。因此，笔可以以更快的速度被点燃。在高速模式期间，气泡发生器孔口被通过孔排出的第一墨滴被阻塞，其作用是湿润和密封排气管。

3. 发明授权

US5341160A Valve for ink-jet pen 失效
标题翻译：喷墨笔阀
公开(公告)号：US5341160A
公开(公告)日：1994-08-23
申请号：US687549
申请日：1991-04-17
申请人： Thomas H. Winslow , Paul H. McClelland , Donald E. Wenzel
发明人： Thomas H. Winslow , Paul H. McClelland , Donald E. Wenzel
IPC分类号： B41J2/05 , B41J2/175 , B41J2/055
CPC分类号： B41J2/17513 , B41J2/17596 , Y10T137/0874 , Y10T137/4643
摘要： An ink-jet pen for storing at below-ambient pressure has an orifice formed therein for providing air bubbles to prevent the back pressure from rising above a level that would cause malfunction of the pen. The amount of air drawn into the reservoir is restricted by the reservoir ink that covers the orifice whenever the pen is in an upright position. The valve operates to occlude the orifice whenever the pen is moved into a position, such as inverted, where the reservoir ink no longer covers the orifice. The occlusion of the orifice prevents the unrestricted flow of ambient air into the reservoir that would otherwise eliminate the required back pressure in the reservoir. The valve includes a sealing liquid selected so that the liquid occludes a passage between the orifice and ambient air without flowing through that passage.
摘要翻译：用于在低于环境压力下存储的喷墨笔具有形成在其中的孔口，用于提供气泡以防止背压升高到将导致笔误动作的水平。当笔处于直立位置时，吸入储存器的空气量受到覆盖孔口的贮存器油墨的限制。只要笔移动到诸如倒置的位置，其中储存器墨水不再覆盖孔口，阀就操作以闭塞孔口。孔口的阻塞防止环境空气进入储存器的不受限制的流动，否则将消除储存器中所需的背压。阀包括选择的密封液体，使得液体封闭孔和环境空气之间的通道，而不流过该通道。

4. 发明授权

US4992802A Method and apparatus for extending the environmental operating range of an ink jet print cartridge 失效
标题翻译：用于延长喷墨打印墨盒的环境操作范围的方法和装置
公开(公告)号：US4992802A
公开(公告)日：1991-02-12
申请号：US289876
申请日：1988-12-22
申请人： John H. Dion , Thomas H. Winslow
发明人： John H. Dion , Thomas H. Winslow
IPC分类号： B41J2/17 , B41J2/175 , B41J27/00 , G01D15/16
CPC分类号： B41J2/17513
摘要： An ink jet print cartridge includes an ink reservoir, a print head for ejecting ink from the reservoir and first and second pressure control mechanisms for limiting the reservoir underpressure. The first pressure control mechanism limits reservoir underpressure by controllably introducing replacement fluid (i.e. air or ink) thereto. The second pressure control mechanism limits reservoir underpressure by changing the volume thereof. The two pressure control mechanisms cooperate to regulate the underpressure in the reservoir at a desired value over a broad range of environmental excursions and permit use of a volumetrically efficient package.

5. 发明授权

US5039999A Accumulator and pressure control for ink-ket pens 失效
标题翻译：墨水笔的蓄能器和压力控制
公开(公告)号：US5039999A
公开(公告)日：1991-08-13
申请号：US545263
申请日：1990-06-26
申请人： Thomas H. Winslow , Bruce A. Anderson
发明人： Thomas H. Winslow , Bruce A. Anderson
IPC分类号： B41J2/045 , B41J2/055 , B41J2/175
CPC分类号： B41J2/175
摘要： Underpressure changes in an ink-jet pen (20, 120) reservoir (22, 122) are compensated for by volumetric changes in the reservoir (22, 122) effected by movement of a piston (56, 156) within a sleeve (50, 150) that is connected to the reservoir (22, 122). The piston (56, 156) and sleeve (50, 150) are sized to provide capillarity for holding ink (72, 172) therebetween. The ink (72, 172) between the piston (56, 156) and sleeve (50, 150) acts as a low-friction seal for preventing fluid communication between ambient air and the interior of the resevoir (22, 122). In one embodiment (120), the volumetric efficiency of the pen is enhanced with an auxiliary ink reservoir carried on the piston (156).

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