Xerox Corporation

Francisco Zirilli

Ali Rafic Dergham

Mark A Adiletta

Roger Gaylord Leighton

Christopher Douglas Atwood

Gary Allen Denton

Jorge Antonio Alvarez

Jeffrey John Bradway

James Michael Chappell

Michael B Monahan

Jorge Mario Rodriguez

Glenn David Batchelor

Andrew Charles LaRocca

William N Vogt

Peter Johan Nystrom

Palghat Srinivas Ramesh

Peter John Knausdorf

Augusto E Barton

Derek Albert Bryl

Gary Daniel Redding

Jack Thomas Lestrange

Paul S Bonino

Jonathan Byron Hunter

Jerry Floyd Adams

Richard A Van Dongen

Lawrence R Benedict

Alfred J Claflin, Jr

Susan M Aurand

Armando J Rivera

Peter J McGuire

Chad Labarge

Ivan Delgado-Velazquez

Ali R Drgham

A dampening fluid recycling system may include a print station having an imaging member with a reimageable surface, a dampening fluid deposition subsystem for applying a layer of dampening fluid onto the reimageable surface, and a dampening fluid recovery subsystem configured to remove excess dampening fluid vapor that does not condense over the reimageable surface. The dampening fluid deposition subsystem may include a dampening fluid supply chamber, a dampening fluid supply channel, and a dampening fluid supply channel outlet. The dampening fluid supply chamber may include an inlet tube and a tube body that may be a split tube. The dampening fluid supply channel may attach to the split tube and descend towards the imaging member to deliver fluid vapor from both parts of the first split tube onto the reimageable surface of the imaging member.

Vapor deposition and recovery systems for ink-based digital printing

A dampening fluid deposition system includes a vapor generator adjacent an air supply channel and in fluid communication with a dampening fluid supply to produce dampening fluid vapor. The vapor generator includes a vapor channel having an interior in communication with air confined within the air supply channel. The vapor generator may include a liquid reservoir receiving dampening fluid from the dampening fluid supply and a heater that heats the received dampening fluid into dampening fluid vapor. The liquid reservoir may include a wick that stores dampening fluid and releases dampening fluid vapor into the vapor channel and a heat conductive tub that holds the wick and dampening fluid. The passive dampening fluid deposition system mixes the dampening fluid vapor with the confined air to form an air/vapor mix that is condensed as a layer of dampening fluid onto the reimageable surface of an imaging member.

Passive vapor deposition system and method

A cooling system comprising of a coolant manifold, a heat sink configured to fit in the coolant manifold, a plurality of cooling fins formed in the heat sink, and a coolant configured to flow through the coolant manifold to the heat sink. Diamond shaped pin fins associated with the heat sink create a series of divergent fluid paths for the cooling fluid that helps to create turbulence and improved heat transfer.

System and method for cooling digital mirror devices

An apparatus and a method for cooling a digital micromirror device are disclosed. For example, the apparatus includes a digital micromirror device (DMD), a housing coupled to the DMD, wherein a first side of the housing is coupled to a bottom of the DMD and a cooling block coupled to a second side of the housing that is opposite the first side. The cooling block includes a plate that includes a plurality of openings, a diaphragm coupled to the plate, an air inlet to generate an airflow across the plate, wherein the diaphragm creates a force to move the airflow in a direction that is perpendicular to a direction of the airflow towards the second side of the housing, and an air outlet to collect the airflow.

Variable area microjets to cool digital micromirror devices

A dampening fluid deposition system includes a vapor generator adjacent the air supply channel and in fluid communication with a dampening fluid supply to produce dampening fluid vapor. The vapor generator includes a vapor channel having an interior in communication with air confined within the air supply channel. The vapor generator may include a liquid reservoir receiving dampening fluid from the dampening fluid supply and a heater that heats the received dampening fluid into dampening fluid vapor. The liquid reservoir may include a wick that stores dampening fluid and releases dampening fluid vapor into the vapor channel and a heat conductive tub that holds the wick and dampening fluid. The passive dampening fluid deposition system mixes the dampening fluid vapor with the confined air to form an air/vapor mix that is condensed as a layer of dampening fluid onto the reimageable surface of an imaging member.

Synthetic jets to cool digital micromirror devices

A DMD chip includes a micromirror array mounted on a very thin silicon wafer attached to a cooling system integrated within the DMD chip. The cooling system includes a fluid cooled heat sink with a cooling channel. Fluid coolant may be pumped through the channel and out of the DMD to remove heat from the silicon substrate and the micromirror array. The micromirror array may be hermetically sealed within the housing, with the heat sink located between the micromirror array and a back wall of the housing, with both the heat sink and the array within the interior of the housing.

Digital micromirror device cooling system and method

A media transport system includes a vacuum plenum and a belt positioned over the vacuum plenum. The belt includes at least one member having a first region and a second region that both include holes that enable the vacuum plenum to apply a force to hold print media against the belt. The belt also includes slots formed through the at least one member in an inter-copy gap positioned between the first region and the second region. Each slot is formed with a larger area than an area of each hole.

Vacuum media transport system with reduced pressure variations in inter-copy gaps

An apparatus and a method for cooling a digital mirror device are disclosed. For example, the apparatus includes a digital mirror device (DMD), a thermal pad, wherein a first side of the thermal pad is coupled to a bottom of a housing of the DMD and a cooling block coupled to a second side of the thermal pad that is opposite the first side. The cooling block includes a plate that includes a plurality of openings that generates a liquid jet of a liquid that is forced through the plurality of openings towards a side of the cooling block coupled to the thermal pad.

Cooling a digital micromirror device

In an example embodiment, an image processing system can be implemented, which includes a printing surface and a prism that splits light from an input light source into two parallel light beams indicative of a signal image. Two or more DMDs (Digital Micromirror Devices) can be utilized, wherein the two parallel light beams are directed to the DMDs for image processing, such that as the two parallel light beams are reflected out onto the printing surface, the two parallel light beams are recombined into a single image, thereby enabling heat dissipation while 'stitching' said output of said at least two digital micromirror devices to a usable video path.

System and method for utilizing digital micromirror devices to split and recombine a signal image to enable heat dissipation

An apparatus and a method for cooling a digital micromirror device are disclosed. For example, the apparatus includes a digital micromirror device (DMD), a socket coupled to the DMD and a spray cooling block coupled to the socket to form an enclosed volume with a surface of the DMD. The spray cooling block includes a first plurality of openings to spray liquid droplets onto the surface of the DMD and a second plurality of openings to collect effluent into an effluent collection volume.

A DMD cooling apparatus and method includes a DMD chip configured on a substrate, and a heatsink located within and integrated into the substrate upon which the DMD is configured. A plurality of micro-channels can be formed on a backside of the substrate. The micro-channels are fabricated via microlithography in association with a fabrication of the DMD chip such that the heatsink integrated into the silicon substrate allows for direct heat removal from the substrate.

Integrated micro-channel heatsink in DMD substrate for enhanced cooling capacity

An ink-based digital printing dampening fluid delivery system useful for printing with an ink-based digital printing system, the ink-based digital printing system having an imaging member, includes a supply chamber; and a supply channel, the supply channel being configured to deliver fluid onto a surface of the imaging member, wherein a width of the surface of the imaging member onto which dampening fluid is applied is twenty percent greater, or more, than a diameter of the supply chamber.

Dampening fluid vapor deposition systems for ink-based digital printing

An ink-based digital printing dampening fluid delivery system useful for printing with an ink-based digital printing system, the ink-based digital printing system having an imaging member is provided. The dampening fluid delivery system includes a supply chamber, a supply channel and a particularly-configured vapor mixing chamber. The vapor mixing chamber is in fluid communication with the supply chamber. The vapor mixing chamber interfaces with the supply chamber by way of a plurality of equally spaced, angled, small-diameter vapor exit ports for providing dampening fluid to be entrained in a flow of air provided to carry a uniform mass fraction distribution of the dampening fluid to be deposited on a reimageable surface of the imaging member.

Growing community of inventors

Penfield, NY, United States of America

Francisco Zirilli