Patent application number | Description | Published |
20110279555 | FLUID DISTRIBUTION SYSTEM HAVING FLUID FLOW RESTRICTION - A fluid distribution system having a first fluid container having a fluid outlet, a second fluid container having a fluid inlet, a fluid line interconnecting the outlet of the first container and the inlet of the second container, an inverted umbrella valve between the fluid line and the inlet, the valve arranged to allow fluid flow from the first container to the second container via the fluid line and a restrictor for restricting the allowed fluid flow through the fluid line. | 11-17-2011 |
20110279557 | Fluid Distribution System for Pressure Control at Printhead - A fluid distribution system for a printhead. The system having a first fluid container a fluid connector for connection to a fluid input of the printhead; and a second fluid container connected between the first container and the connector for delivering fluid from the first container to the connector, wherein the second container is located relative to the first container and the connector so that a fluid pressure difference between fluid contained within the second container and fluid at the connector is independent of the amount of fluid contained within the first container. | 11-17-2011 |
20110279558 | METHOD OF CONTROLLING FLUID PRESSURE AT PRINTHEAD - A method of controlling fluid pressure at a printhead with a fluid distribution arrangement, the method having providing the fluid distribution arrangement with a first fluid container, a fluid connector for connection to a fluid input of the printhead, and a second fluid container connected between the first container and the connector for delivering fluid from the first container to the connector and locating the second container relative to the first container and the connector so that a fluid pressure difference between fluid contained within the second container and fluid at the connector is independent of the amount of fluid contained within the first container. | 11-17-2011 |
20110279559 | PRINTING SYSTEM HAVING PRESSURE CONTROL AT PRINTHEAD - A printing system having a first fluid container, a printhead and a second fluid container connected between the first container and the printhead for delivering fluid from the first container to the printhead, wherein the second container is located relative to the first container and the printhead so that a fluid pressure difference between fluid contained within the second container and fluid at the printhead is independent of the amount of fluid contained within the first container. | 11-17-2011 |
20110279560 | METHOD OF DISTRIBUTING FLUID PRESSURE IN PRINTING SYSTEM - A method of distributing fluid pressure in a printing system, the method having providing the printing system with a first fluid container, a printhead having fluid ejection nozzles, and a second fluid container connected between the first container and the printhead for delivering fluid from the first container to the printhead and locating the first container above the printhead and the second container and locating the second container below the printhead such that negative fluid pressure is provided at the nozzles of the printhead and positive fluid pressure is provided at the second container. | 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 |
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 |
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 |
20110279599 | FLUID DISTRIBUTION SYSTEM HAVING FOUR-WAY VALVE - 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, 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 |
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 |
20110279604 | SYSTEM FOR FLUSHING PRINTHEAD AND PRINTHEAD BYPASS - A fluid distribution system for a media width printhead, the system having a fluid container having a gas vent; a first fluid path interconnecting the container and a first fluid port at one longitudinal end of the media width of the printhead, a second fluid path interconnecting the container and a second fluid port at the other longitudinal end of the media width of the printhead, a third fluid path interconnecting the first and second paths, pump on the second path, the pump being operational to draw fluid from the container through the first and second paths via the printhead and via the third fluid path to flush gas in the paths to the container for venting via the gas vent. | 11-17-2011 |
20110279605 | PRINTING SYSTEM HAVING VALVED INK AND GAS DISTRIBUTION 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 fluid tubes each defining an individual closed fluid flow loop, a first multi-channel valve arrangement for selectively allowing fluid flow along each closed loop via the printhead by selectively moving a pinch element into and out of pinching contact with the fluid tubes so as to respectively block and allow fluid flow through the fluid tubes, a plurality of gas vents, each gas vent being associated with a respective one of the closed loops and a second multi-channel valve arrangement for selectively allowing 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 |
20120293592 | INK DISTRIBUTION SYSTEM HAVING GAS VENTING - An ink distribution system for a printhead, the system having a first ink container having an ink outlet, a second ink container having an ink inlet, an ink line interconnecting the outlet of the first container and the inlet of the second container and a gas vent on the ink line. | 11-22-2012 |