Patent application number | Description | Published |
20110261523 | Expanded Heat Sink for Electronic Displays - A system for cooling various components of an electronic display. One or more heat-generating components are preferably placed in thermal communication with a plate and ribs. One or more fans are placed to draw cooling air along the ribs to remove the heat removed from the component. Some embodiments may place the electronic image assembly in thermal communication with the ribs to remove heat from the electronic image assembly. Exemplary embodiments have power modules and the electronic image assembly in thermal communication with the ribs. Conductive thermal communication is established between the ribs and the components in the exemplary embodiments. | 10-27-2011 |
20120026432 | SYSTEM AND METHOD FOR MAINTAINING A CONSISTENT TEMPERATURE GRADIENT ACROSS AN ELECTRONIC DISPLAY - An electronic display which can be mounted above a paved surface in an outdoor environment. A surface or plate is placed behind the electronic display to define a gap where cooling air can be drawn through said gap in order to cool the electronic display. A plurality of ribs may be placed within the gap and in thermal communication with the electronic display. The density of the ribs may be varied according to the inlet and exhaust openings for the cooling air. The ribs may be placed at a higher density near the exhaust to account for the increase in temperature of the cooling air as it travels through the gap. | 02-02-2012 |
20120038849 | Expanded Heat Sink for Electronic Displays and Method of Producing the Same - An expanded heat sink for transferring heat from an electronic display component to a path of cooling air is disclosed. A continuous sheet may define a series of channels where the cooling air is blown through the channels and along the continuous sheet. When viewed along the path of the cooling air and oriented horizontally, the continuous sheet may define a series of four-sided polygons having top, bottom, left side, and right side portions where either the top or bottom portions are absent from each polygon. The absent top portions may be supplied by a front plate or the rear portion of an electronic display. The absent bottom portions maybe supplied by a rear plate. One or more components of the electronic display may be placed in thermal communication with the sheet and/or front/rear plates to transfer heat from the components to the cooling air. | 02-16-2012 |
20120105790 | SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH MANIFOLDS AND AMBIENT GAS - A system for cooling an electronic image assembly using ambient gas. The system contains a plurality of channels place behind the electronic image assembly and preferably in conductive thermal communication with the image assembly. Ambient gas is ingested into the display housing and directed to a first manifold which distributes the ambient gas to the plurality of channels. A second manifold preferably collects the ambient gas from the channels after absorbing heat from the electronic image assembly and/or channels. The second manifold then preferably directs the ambient gas towards an exhaust aperture and out of the display housing. Circulating gas may also be used to cool a front portion of the electronic image assembly. A cross through plate may be used to allow the ambient gas and circulating gas to cross paths without mixing. | 05-03-2012 |
20120106081 | SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH A HEAT EXCHANGER HAVING INTERNAL FANS - A system for cooling an electronic image assembly using a heat exchanger with an internal fan assembly. Circulating gas may also be used to cool a front portion of the electronic image assembly or any other internal cavity of the electronic display housing. The circulating gas may be drawn through a heat exchanger so that heat may be transferred to an ambient gas. The heat exchanger may have an internal fan assembly for drawing ambient air through the heat exchanger and exhausting it out of the display housing. The heat exchanger may be divided into two portions so that the fan assembly is placed between the two portions. | 05-03-2012 |
20120206687 | SYSTEM AND METHOD FOR THERMALLY CONTROLLING AN ELECTRONIC DISPLAY WITH REDUCED NOISE EMISSIONS - An assembly for cooling an electronic image assembly having a rear channel placed behind the image assembly and a heat exchanger for accepting ambient air. The system contains a first fan placed within the heat exchanger to force ambient air through the heat exchanger and the rear channel. A second fan may be used to force circulating gas through an interior portion of the display housing and through the heat exchanger in order to transfer heat to the ingested ambient air. | 08-16-2012 |
20120281161 | SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH MANIFOLDS AND AMBIENT GAS - A system for cooling an electronic image assembly using ambient gas. The system contains a plurality of channels place behind the electronic image assembly and preferably in conductive thermal communication with the image assembly. Ambient gas is ingested into the display housing and directed to a first manifold which distributes the ambient gas to the plurality of channels. A second manifold preferably collects the ambient gas from the channels after absorbing heat from the electronic image assembly and/or channels. The second manifold then preferably directs the ambient gas towards an exit aperture and out of the display housing. Circulating gas may also be used to cool a front portion of the electronic image assembly. A cross through plate may be used to allow the ambient gas and circulating gas to cross paths without mixing. | 11-08-2012 |
20130170139 | SYSTEM AND METHOD FOR SELECTIVELY ENGAGING COOLING FANS WITHIN AN ELECTRONIC DISPLAY - A system and method for cooling an electronic image assembly having a plurality of cooling gas pathways place behind the electronic image assembly. A first fan may be used to force cooling gas through a first grouping of cooling gas pathways while a second fan may be used to force cooling gas through a second grouping of cooling gas pathways. Temperature sensing devices may be positioned so as to measure the temperature of the first and second groupings of cooling gas pathways. The speeds of the first and second fans may be adjusted based on the temperature measurements of the cooling gas pathway groupings. Additional fans with additional temperature sensing devices may be used for further accuracy and control over the temperature gradients of the electronic image assembly. Manifolds may be used to distribute/collect cooling gas to/from the cooling gas pathways. | 07-04-2013 |
20140111758 | Heat Exchanger for an Electronic Display - A cooling assembly for an electronic image assembly having an open and closed gaseous loop. A closed gaseous loop allows circulating gas to travel across the front surface of an image assembly and through a heat exchanger. An open loop allows ambient gas to pass through the heat exchanger and extract heat from the circulating gas. An optional additional open loop may be used to cool the back portion of the image assembly (optionally a backlight). Ribs may be placed within the optional additional open loop to facilitate the heat transfer to the ambient gas. The cooling assembly can be used with any type of electronic assembly for producing an image. | 04-24-2014 |
20140113540 | Back Pan Cooling Assembly for Electronic Display - Exemplary embodiments disclosed herein provide a back pan cooling assembly for an electronic display having a rear pan. A cooling back pan is preferably positioned behind the rear pan, the space between the cooling back pan and the rear pan defining a gap. A fan is positioned to cause a flow of ambient air through the gap. An electronic component for driving the electronic display may be placed in conductive thermal communication with the cooling back pan. A rear cover can be placed against the cooling back pan to define a sealed compartment which does not permit ambient air to enter. A port can be provided within the rear cover which allows ambient air to travel between the surroundings, the fan, and the gap. | 04-24-2014 |
20140295748 | SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH MANIFOLDS AND AMBIENT GAS - A method for cooling an electronic image assembly using ambient gas. Exemplary embodiments of the method include the steps of circulating a closed loop of circulating gas around the electronic image assembly, directing a flow of ambient air through a first manifold, allowing the flow of ambient air to cross the flow of circulating gas without allowing the two to mix, directing the flow of ambient air behind the electronic image assembly and directing the flow of ambient air through a second manifold. The circulating gas may be used to cool a front portion of the electronic image assembly. A cross through plate may be used to allow the ambient gas and circulating gas to cross paths without mixing. A heat exchanger may be included with some embodiments of the method. | 10-02-2014 |
20140313458 | SYSTEM AND METHOD FOR MAINTAINING A CONSISTENT TEMPERATURE GRADIENT ACROSS AN ELECTRONIC DISPLAY - An electronic display which can be mounted above a paved surface in an outdoor environment. A surface or plate is placed behind the electronic display to define a gap where cooling air can be drawn through said gap in order to cool the electronic display. A plurality of ribs may be placed within the gap and in thermal communication with the electronic display. The density of the ribs may be varied according to the inlet and exhaust openings for the cooling air. The ribs may be placed at a higher density near the exhaust to account for the increase in temperature of the cooling air as it travels through the gap. | 10-23-2014 |
20140313698 | Cooling Assembly for an Electronic Display - The exemplary embodiments herein provide a system for cooling an electronic display where a plate is positioned behind the electronic display, the space between the plate and the electronic display defining a first channel. A first fan is preferably positioned to force a first flow of external air through the first channel. A heat exchanger is preferably positioned adjacent to the plate where the space between the heat exchanger and the plate defines a second channel; and a second fan is preferably positioned to force a second flow of external air through the second channel and through the heat exchanger. A continuous heat sink may be placed within the first channel. Pass through gaskets may be used to ensure the external air may cross paths with the circulating gas without permitted the external air and circulating gas to mix. | 10-23-2014 |
20140314395 | Heat Exchanger Assembly for an Electronic Display - The exemplary embodiments disclosed herein provide a heat exchanger assembly for cooling power module bricks, having a plurality of heat exchanger layers where a top layer is in conductive thermal communication with the power module brick. A series of metallic plates are preferably positioned within each heat exchanger layer and are preferably aligned with the power module brick. A circulating fan may be positioned to force circulating gas across the power module brick and through the heat exchanger. An external air fan may be positioned to force external air through the heat exchanger. Pass through junctions may be positioned near edges of the heat exchanger to permit the circulating gas to cross paths with the external air without allowing the two gas flows to mix with one another. | 10-23-2014 |
20140321103 | Expanded Heat Sink for Electronic Displays - A system for cooling various components of an electronic display. One or more heat-generating components are preferably placed in thermal communication with a plate and ribs. One or more fans are placed to draw cooling air along the ribs to remove the heat removed from the component. Some embodiments may place the electronic image assembly in thermal communication with the ribs to remove heat from the electronic image assembly. Exemplary embodiments have power modules and the electronic image assembly in thermal communication with the ribs. Conductive thermal communication is established between the ribs and the components in the exemplary embodiments. | 10-30-2014 |
20140345834 | SYSTEM FOR THERMALLY CONTROLLING AN ELECTRONIC DISPLAY WITH REDUCED NOISE EMISSIONS - A heat exchanger assembly for an electronic image assembly placed within a housing where ambient air surrounds the exterior of the housing and a rear plate may be placed behind a backlight to create a channel. An ambient air fan may be placed between two portions of a heat exchanger to force ambient air through the heat exchanger. The fan may also be positioned to also force ambient air through the channel. A circulating gas fan may also be placed within the housing to force circulating gas through at least one portion of the heat exchanger. | 11-27-2014 |
20140369003 | SYSTEM FOR COOLING AN ELECTRONIC IMAGE ASSEMBLY WITH A HEAT EXCHANGER HAVING INTERNAL FANS - A system for cooling an electronic image assembly using a heat exchanger with an internal fan assembly. Circulating gas may also be used to cool a front portion of the electronic image assembly or any other internal cavity of the electronic display housing. The circulating gas may be drawn through a heat exchanger so that heat may be transferred to an ambient gas. The heat exchanger may have an internal fan assembly for drawing ambient air through the heat exchanger and exhausting it out of the display housing. The heat exchanger may be divided into two portions so that the fan assembly is placed between the two portions. | 12-18-2014 |