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| Number | Title | Issue Date |
| 8172388 | Liquid container A liquid container mountable in a liquid ejecting apparatus is provided. The liquid container includes a liquid storage section that stores liquid, a liquid supply section through which the liquid stored in the liquid storage section is supplied to the liquid ejecti... | 05/08/2012 |
| 8172387 | Supply system and injection-head structure thereof A supply system capable of providing a working fluid is provided. The supply system includes an access device, a first energizer, a second energizer, a third energizer and an output device. The access device utilized to access the working fluid includes a connecting... | 05/08/2012 |
| 8157365 | Ink degassing for circulating ink supply systems in ink jet printers An ink circulation system includes a supply subtank for supplying ink to an ink jet print head and a return subtank returning the ink not ejected by the ink jet print head. A print circulation path links the supply subtank with the ink jet print head and the return ... | 04/17/2012 |
| 8147050 | Liquid droplet jetting apparatus A liquid droplet jetting apparatus is capable of carrying out selectively a first purge mode and a second purge mode. In the first purge mode, a first air discharge purge of discharging air in an ink storage chamber is carried out while maintaining a meniscus of the... | 04/03/2012 |
| 8142003 | Inkjet printer system and ink supply apparatus An inkjet printer system includes a print head and a sub tank. The print head is configured to eject ink. The sub tank is provided above the print head and connected to the print head via a head-side supply passage. The sub tank has a first supplying hole and a seco... | 03/27/2012 |
| 8132903 | Ink jet system and method for removing air bubbles inside of an ink jet nozzle An ink jet system according to the present invention is provided with an air bubble removing unit including: an ink jet body having a plurality of ink supply path; a nozzle plate connected to an end of the ink jet body and having a plurality of spaced nozzle holes t... | 03/13/2012 |
| 8128214 | Liquid charging apparatus and liquid charging method An ink charging injection apparatus for charging ink to an ink pack is disclosed. The ink injection apparatus includes a pressurizing tank for storing ink, piping, a deaeration device, and an air vent pipe. The piping connects the pressurizing tank to the ink pack s... | 03/06/2012 |
| 8118418 | Printer with gas bubble occlusion resistant conduits An inkjet printer with a printhead and a conduit connected to the printhead. The conduit defines a flow path for the printing fluid and has an internal cross section configured such that the surface tension of printing fluid within it favors gas bubble growth along ... | 02/21/2012 |
| 8100520 | Inkjet printhead and method of removing bubbles in the same An inkjet printhead includes an ink flow channel including a pressure chamber, a nozzle to communicate with the pressure chamber, an actuator to provide a driving force to eject ink from the pressure chamber, and a plurality of electrodes, a lower voltage is applied... | 01/24/2012 |
| 8092001 | Liquid jetting apparatus A liquid jetting apparatus includes: a head; an ink storage chamber communicating with the head; a gas distributing chamber in which a gas introducing hole is formed; a buffer chamber in which a communicating hole for communicating with the gas distributing chamber,... | 01/10/2012 |
| 8079693 | Liquid ejecting device Ink is supplied to a supply tank from a second buffer tank, and ink is pressure-fed from the supply tank to a head. Further, ink is supplied from the second buffer tank to a recovery tank, and ink is pressure-fed from the recovery tank to the head. In both pressure-... | 12/20/2011 |
| 8079692 | Printer comprising priming/de-priming system with cooperative pushing and pulling of ink through printhead A printer comprising: an inkjet printhead having an ink inlet, an ink outlet and a plurality of nozzles; an ink chamber having an outlet port; an upstream ink line providing fluid communication bet... | 12/20/2011 |
| 8075120 | Ink jet print head and ink jet printing apparatus An ink jet print head is capable of creating a state where the direction of ink-drop ejection is not likely to be influenced by air currents generated by the ink ejection, and is capable of printing an image without causing the shifting of dots. To this end, air cur... | 12/13/2011 |
| 8070278 | Method of priming a printhead with ink bubbles present in a printhead assembly A method of priming one or more printhead integrated circuits, the method comprising the steps of: (i) providing a printhead assembly comprising: an ink distribution manifold having an ink inlet and an ... | 12/06/2011 |
| 8066362 | Liquid discharging head and liquid discharging apparatus having grooved surface from ink inlet to ink outlet A liquid discharging head includes a head chip including a plurality of energy generating elements configured to discharge liquid and liquid chambers provided around the corresponding energy generating elements, and a common passage member configured to define a com... | 11/29/2011 |
| 8057030 | Ink supplying system for ink jet printer, ink supplying method for ink jet printer, and ink jet printer An ink supplying system has a first pipe having one end that connects to a main ink tank storing ink containing no air and another end that removably connects to a primary auxiliary ink tank that receives ink from the main ink tank. A second pipe has one end that re... | 11/15/2011 |
| 8047644 | Ink-jet recording apparatus, method of removing air of ink-jet recording apparatus and removing air device An air removing device is connected to a tank to contain ink through a first supply tube, and an ink-jet head is connected to the air removing device through a second supply tube. The first supply tube and ink-jet head are heated and controlled. Air dissolved in ink... | 11/01/2011 |
| 8042928 | Liquid container, fuel cell system and method for controlling fuel cell system A liquid container includes a hollow body; a tubular suction port coupled to the hollow body; a first porous member disposed in the hollow body; a second porous member disposed in the suction port and being in contact with the first porous member, the second porous ... | 10/25/2011 |
| 8033659 | Liquid ejecting apparatus A liquid ejecting head has a pressure chamber into which liquid flows from a liquid reservoir through a liquid passage, and a pressure generating unit operable to pressurize the liquid in the pressure chamber to eject the liquid through a nozzle opening. A gas trapp... | 10/11/2011 |
| 8033658 | Liquid ejection apparatus and liquid restoration method The liquid ejection apparatus includes: a liquid ejection device which ejects liquid; a liquid supply device which supplies the liquid to the liquid ejection device; a saturated dissolved gas amount determination device which determines a saturated dissolved gas amo... | 10/11/2011 |
| 8029121 | Ink supply system having downstream conduit loop An ink supply system for an inkjet printer. The ink supply system includes: an upstream ink conduit for connection with an ink inlet of a printhead; a pressure-regulating chamber having an outlet port connected to the upstream ink conduit, the chamber containing ink... | 10/04/2011 |
| 8029119 | Ink jet print head which prevents bubbles from collecting Ink jet print head comprising a substrate with an upper surface and a lower surface; a plurality of actuators with ejection chambers and ink supply passages, an ink distribution slot formed in the substrate between the lower surface and the upper surface; a manifold... | 10/04/2011 |
| 8029120 | Liquid container and method of manufacturing the same A liquid container includes: a bubble trapping section, disposed upstream of the upstream buffer chamber. The bubble trapping section includes: a bubble trapping chamber, adapted to trap bubbles upside by allowing the liquid level to be lowered with reduction in an ... | 10/04/2011 |
| 8020983 | Image forming apparatus An image forming apparatus is disclosed that includes an exhaust unit that discharges air accommodated in a second liquid accommodating unit; a liquid transfer unit that transfers liquid from a first liquid accommodating unit to the second liquid accommodating unit ... | 09/20/2011 |
| 8020982 | Bubble removing apparatus for inkjet printer and method of removing air bubbles using the same A bubble removing apparatus for removing air bubbles in ink to be supplied to a printer head of an inkjet printer and a method of removing the air bubbles are provided to provide a smooth flow of ink to the inkjet printer head. When an air bubble removing operation ... | 09/20/2011 |
| 8020981 | Inkjet recording apparatus and air removal method therefor There is provides an inkjet recording apparatus comprising: an inkjet head held in a head holder; and an ink tank mounted on the head holder. The ink tank has an ink chamber, a path for communicating the chamber with atmosphere, and an exit valve to open and close t... | 09/20/2011 |
| 7997710 | Liquid supply apparatus and liquid discharge apparatus Inks are supplied from ink inflow flow passages to ink storage chambers in a subtank. The inks are further supplied from the ink storage chambers via ink outflow flow passages to a head. The ink storage chambers are stacked in the vertical direction, with upper surf... | 08/16/2011 |
| 7988275 | Inkjet head An inkjet head, comprises an ink jetting chamber unit in which a plurality of ink jetting chambers to jet ink from respective nozzles is arranged along at least one array; a manifold to distribute ink to the plurality of ink jetting chambers; a first ink flow path t... | 08/02/2011 |
| 7984981 | Printer with ink supply system having downstream conduit loop A printer comprising: a printhead having an ink inlet and an ink outlet; a pressure-regulating chamber having an outlet port connected to the ink inlet via an upstream ink conduit, the chamber containing ink at a f... | 07/26/2011 |
| 7938523 | Fluid supply tank ventilation for a micro-fluid ejection head An improved fluid supply tank for a micro-fluid ejection head and method for improving operation of a micro-fluid ejection device. The fluid supply tank has a body portion for holding a fluid to be ejected. The body portion includes a fluid exit port on an exit end ... | 05/10/2011 |
| 7931360 | Printhead priming system with feedback control of priming pump A priming system for priming an inkjet printhead having an ink inlet, an ink outlet and a plurality of nozzles, the priming system comprising: an ink chamber having an outlet port connected to the ink inlet via an upstream ink line... | 04/26/2011 |
| 7891795 | Printer comprising priming pump and downstream expansion chamber A printer comprising: an inkjet printhead having an ink inlet, an ink outlet and an array of nozzles; an ink chamber having an outlet port connected to the ink inlet via an upstream ink conduit; an air pump having a pump outlet communicating with a headspace in the ... | 02/22/2011 |
| 7891794 | Ink sensing device An ink sensing device for an ink supply system, the device comprising: a bubble-bursting box comprising: one or more bubble-bursting chambers, each chamber having a respective chamber inlet for connection to an ink line; and an air outlet in fluid communication with... | 02/22/2011 |
| 7887174 | Liquid ejection apparatus and gas processing method The liquid ejection apparatus includes a first liquid chamber which supplies liquid to pressure chambers of an ejection head; a gas flow channel which has a first end connected to an upper portion of the first liquid chamber and which forms a flow channel for gas to... | 02/15/2011 |
| 7878640 | Method of priming a printhead having downstream ink line connected to a priming pump A method of priming one or more inkjet printheads, the method comprising the steps of: (i) providing a printhead assembly comprising: an ink distribution manifold having an ink inlet and an ink outlet; | 02/01/2011 |
| 7878639 | Printer comprising multiple color channels with single air pump for printhead priming A printer comprising: an inkjet printhead having a plurality of ink inlets, a plurality of ink outlets and an array of nozzles; a plurality of ink chambers, each ink chamber having an outlet port connected to a cor... | 02/01/2011 |
| 7878638 | Liquid ejecting head The invention provides a liquid ejecting head which is capable of introducing liquid from a liquid storage member to a pressure chamber through a liquid flow channel and discharging the liquid in the pressure chamber from a nozzle opening as liquid drops by an opera... | 02/01/2011 |
| 7874662 | Method of replacing a printhead in an inkjet printer with minimal ink wastage A method of replacing a printhead in an inkjet printer with minimal ink wastage, the method comprising the steps of: (i) providing a printhead comprising: an ink distribution manifold having an ink inle... | 01/25/2011 |
| 7857441 | Ink pressure regulator There is provided an ink pressure regulator for regulating a hydrostatic pressure of ink supplied to an inkjet printhead. The regulator comprises: an ink chamber having an ink outlet for fluid communication with the printhead via an ink line; an air inlet open to at... | 12/28/2010 |
| 7837314 | Liquid ejection apparatus and image forming apparatus The liquid ejection apparatus comprises: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which are connected respectively to the ejection ports; pressure generating elements which are provided to correspond respectively to the pres... | 11/23/2010 |
