Patent application number | Description | Published |
20110279496 | METHOD OF PRIMING PRINTHEAD - A method of priming a media width printhead, the method having controlling operation of the printhead, with a controller of a printing system having the printhead, to draw fluid in a first direction around a closed fluid flow loop from a fluid container to the printhead and controlling operation of a pump on the closed loop, with the controller, to draw fluid from the container in an opposite, second direction around the closed loop. | 11-17-2011 |
20110279497 | METHOD OF PRIMING AND DE-PRIMING PRINTHEAD - A method of priming and de-priming a media width printhead the method having controlling operation, with a controller of a printing system having the printhead, of a pump on a closed fluid flow loop interconnecting a fluid container to the printhead to draw fluid from the container in a first direction around the closed loop to prime the printhead with fluid from the container and controlling operation of a valve on the closed loop, with the controller, to allow gas to enter the closed loop via a gas inlet to cause fluid in the closed loop and the printhead to de-prime to the container in a second direction around the closed loop. | 11-17-2011 |
20110279561 | FLUID DISTRIBUTION SYSTEM HAVING VALVED FLUID CONTAINER - A system for distributing fluid to a printhead, the system having a printhead a first fluid container and a second fluid container for distributing fluid from the first container to the printhead, the second container having a body for containing the fluid to a predetermined capacity, an inlet connected to the first container, a valve at the inlet, and an outlet connected to the printhead, wherein the valve is operated so that the valve is closed when the body contains fluid at the predetermined capacity and is open when fluid is distributed to the printhead via the outlet. | 11-17-2011 |
20110279566 | PRINTING SYSTEM HAVING CLOSED FLUID PATH FOR PRINTHEAD - A printing system having a fluid source, a first fluid path connecting the fluid source to a first fluid port of the printhead, a second fluid path connecting the fluid source to a second fluid port of the printhead, wherein the first and second paths are configured so that fluid from the fluid source flows between the first and second paths via the printhead. | 11-17-2011 |
20110279567 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS - A fluid distribution system for a printhead, the system having a first fluid path connected to a first fluid port of the printhead, a second fluid path connected to a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279568 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS - A printing system having a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width; a first fluid path connected to the first fluid port of the printhead, a second fluid path connected to the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279569 | FLUID DISTRIBUTION SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A fluid distribution system for a printhead, the system having a fluid container, a first fluid path interconnecting the container and a first fluid port of the printhead, a second fluid path interconnecting the container and a second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279570 | PRINTING SYSTEM HAVING PRINTHEAD BYPASS FROM CONTAINER - A printing system having a fluid container, a media width printhead having a first fluid port at one longitudinal end of the media width and a second fluid port at the other longitudinal end of the media width, a first fluid path interconnecting the container and the first fluid port of the printhead, a second fluid path interconnecting the container and the second fluid port of the printhead, a third fluid path interconnecting the first and second paths, wherein the first, second and third paths are configured so that fluid from the container flows between the first and second paths via the printhead and via the third fluid path. | 11-17-2011 |
20110279571 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 11-17-2011 |
20110279572 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop and a multi-path valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path. | 11-17-2011 |
20110279573 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 11-17-2011 |
20110279574 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR BYPASSED PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing fluid flow along each of the closed loops via the printhead and the respective bypass paths. | 11-17-2011 |
20110279575 | FLUID DISTRIBUTION SYSTEM FOR PRIMING PRINTHEAD - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, the fluid being drawn from the container in a first direction around the closed loop by the printhead during printing and a pump on the closed loop, the pump being operational to draw fluid from the container in an opposite, second direction around the closed loop. | 11-17-2011 |
20110279576 | MULTI-PATH VALVE FOR PRINTHEAD - A multi-path valve for a media width inkjet printhead, the printhead being connected to an ink source via a closed ink flow loop, the valve having a body, a first port on the body for connection to the ink source, a second port on the body for connection to the printhead, a third port on the body for connection to a bypass ink path which bypasses the printhead on the closed loop, a fourth port on the body for connection to a gas vent on the closed loop, a chamber within the body via which the first, second, third and fourth ports are able to be interconnected and a selection device for selectively establishing interconnection between the first, second, third and fourth ports to allow ink flow therebetween. | 11-17-2011 |
20110279577 | MULTI-CHANNEL VALVE FOR PRINTHEAD - A multi-channel valve for a media width inkjet printhead, the printhead being connected to a plurality of ink supplies via a plurality of ink flow channels, the valve having a body, a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a selection device for selectively establishing interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 11-17-2011 |
20110279578 | DIAPHRAGM VALVE FOR PRINTHEAD - A diaphragm valve for distributing ink from an ink source to a media width inkjet printhead, the valve having a body, a plurality of ports on the body for connection to the ink source and printhead, a chamber within the body via which the ports are able to be interconnected, a diaphragm pad having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports thereby allowing ink flow therebetween. | 11-17-2011 |
20110279579 | MULTI-CHANNEL DIAPHRAGM VALVE FOR PRINTHEAD - A multi-channel diaphragm valve for distributing ink from a plurality of ink supplies to a media width inkjet printhead via a plurality of ink flow channels, the valve having: a body; a plurality of sealed chambers within the body, a plurality of groups of ports on the body, each port group being associated with a respective one of the chambers and having individual ports for respective connection to the printhead and a respective one of the ink supplies and a plurality of diaphragm pads having seals for sealing respective ones of the ports and a selection device for manipulating the diaphragm pad to selectively seal and un-seal the ports to establish interconnection between the ports of each port group to allow ink flow therebetween for each of the channels. | 11-17-2011 |
20110279582 | MULTI-CHANNEL VALVE ARRANGEMENT FOR PRINTHEAD - A multi-channel valve arrangement for distributing ink from a plurality of ink supplies to a media width inkjet printhead via a plurality of ink tubes each defining an individual ink flow channel, the valve having a body, a plurality of ports defined through the body, each port being configured to receive a respective one of the ink tubes therethrough, a movable pinch element extending across the ports and a pinch drive arrangement for selectively moving the pinch element into and out of pinching contact with the ink tubes so as to respectively block and allow ink flow through the ink tubes. | 11-17-2011 |
20110279589 | INK CONTAINER HAVING FLOAT ACTUATED VALVE - An ink container for an inkjet printhead, the ink container having a body for containing ink to a predetermined capacity, an ink inlet on the body, a float member within the body for floating on ink contained in the body, a valve at the inlet and a valve actuator for selectively opening and closing the valve, wherein the float member is pivotally attached to the valve actuator so that the float member causes the valve actuator to close the valve when the body contains ink at the predetermined capacity and to open the valve otherwise. | 11-17-2011 |
20110279595 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas vent on the closed loop and a multi-path valve on the closed loop for selectively allowing venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279596 | PRINTING SYSTEM HAVING MULTI-PATH VALVE FOR GAS VENTING - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a gas vent on the closed loop and a multi-path valve on the closed loop for selectively allowing venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279597 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents | 11-17-2011 |
20110279598 | PRINTING SYSTEM HAVING MULTI-PATH, MULTI-CHANNEL VALVE FOR GAS VENTING - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-path, multi-channel valve for selectively allowing venting of gas in each of the closed loops via the gas vents. | 11-17-2011 |
20110279600 | PRINTING SYSTEM HAVING FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a fluid container fluidically interconnected with the printhead via a closed fluid flow loop, a bypass fluid path bypassing the printhead on the closed loop, a gas vent on the closed loop and a four-way valve on the closed loop for selectively allowing fluid flow along the closed loop via the printhead and the bypass path and venting of gas in the closed loop via the gas vent. | 11-17-2011 |
20110279601 | FLUID DISTRIBUTION SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE - A fluid distribution system for a printhead, the system having a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 11-17-2011 |
20110279602 | PRINTING SYSTEM HAVING MULTI-CHANNEL FOUR-WAY VALVE FOR PRINTHEAD - A printing system having a media width printhead, a plurality of fluid containers fluidically interconnected with the printhead via a respective plurality of closed fluid flow loops, a plurality of bypass fluid paths bypassing the printhead, each bypass path being associated with a respective one of the closed loops and a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a multi-channel four-way valve for selectively allowing fluid flow along each closed loop via the printhead and the bypass paths and venting of gas in each closed loop via the gas vents. | 11-17-2011 |
20110279608 | FLUID CONTAINER WITH INTERNAL FILTRATION - A fluid container having a body for containing fluid, a fluid outlet on a first wall of the body at which the contained fluid exits the body and a filter arranged within the body adjoining the first wall so that the contained fluid passes through the filter before exiting the outlet, wherein the filter is inclined relative to the first wall so that filtered fluid is contained in the body between the filter and the outlet. | 11-17-2011 |
20110279609 | FLUID DISTRIBUTION SYSTEM HAVING FILTERED INK CONTAINER - A system for distributing filtered ink to an inkjet printhead, the system having an ink container having a body for containing the ink, am ink outlet on a first wall of the body at which the contained ink exits the body, and a filter arranged within the body adjoining the first wall so that the contained ink passes through the filter before exiting the outlet, an inkjet printhead having an ink inlet and an ink line connecting the outlet of the container to the inlet of the printhead, wherein the filter is inclined relative to the first wall so that filtered ink is contained in the body between the filter and the outlet which is distributed to the printhead. | 11-17-2011 |
20110279610 | Fluid Container with Air Lock Prevention - A fluid container having a body for containing fluid, a fluid outlet on a first wall of the body at which the contained fluid exits the body and a filter arranged within the body substantially parallel to, and spaced from, a second wall of the body wherein the second wall adjoins the first wall with the outlet in the space between the filter and the second wall so that the contained fluid passes through the filter before exiting the outlet and the second wall declines from the adjoined first wall when the container is disposed with the filter above the second wall. | 11-17-2011 |