Patent application number | Description | Published |
20140216686 | Partitioned, Rotating Condenser Units to Enable Servicing of Submerged IT Equipment Positioned Beneath a Vapor Condenser Without Interrupting a Vaporization-Condensation Cycling of the Remaining Immersion Cooling System - An immersion cooling tank includes: a tank comprised of a base wall, and perimeter walls, and having a lower tank volume in which a liquid can be maintained and heated to a boiling point to generate a rising plume of vapor; a rack structure within the tank volume that supports insertion of multiple, heat dissipating electronic devices in a side-by-side vertical configuration; and a condenser configured as a plurality of individually rotatable condenser sub-units, with each condenser sub-unit located above a vertical space that extends vertically from the lower tank volume and within which an electronic device can be inserted. Each individual condenser sub-unit can be opened independent of the other sub-units and each other condenser sub-unit can remain in a closed position while a first condenser sub-unit is opened to allow access to a first vertical space and any existing electrical device contained therein below the first condenser sub-unit. | 08-07-2014 |
20140216688 | Heat Exchanger and Technique for Cooling a Target Space and/or Device Via Stepped Sequencing of Multiple Working Fluids of Dissimilar Saturation Temperatures to Provide Condensation-by-Vaporization Cycles - A system for heat exchange includes a first condenser that places a first working fluid vapor in proximity to a second working fluid liquid. The two working fluids have respective saturation temperatures that enable the second working fluid to absorb sufficient amounts of heat from the first working fluid vapor to vaporize, while the first working fluid vapor condenses back into a liquid. The second working fluid vapor exits the first condenser via a first conduit and enters a first heat exchanger which places the second working fluid vapor in proximity to a third working fluid. The relative saturation temperatures of the second and third working fluids enables the transfer of sufficient amounts of heat from the second working fluid vapor to cause the second working fluid vapor to condense back into liquid while at least a portion of the third working fluid liquid vaporizes into third working fluid vapor. | 08-07-2014 |
20140216711 | Scalable, Multi-Vessel Distribution System for Liquid Level Control Within Immersion Cooling Tanks - A fluid level control system includes: a first immersion cooling tank having a first volume of immersion cooling liquid and an inlet/outlet pipe extending from a base wall of the tank by which immersion cooling liquid can flow into and out of the first immersion cooling tank; at least one second volume of cooling liquid held within a liquid containing unit having a corresponding inlet/outlet pipe; and a pipe distribution system that physically connects the second volume of immersion cooling liquid to the first volume of immersion cooling liquid via respective inlet/outlet pipes and which enables fluid equilibrium to be maintained between the first volume of liquid and the second volume of liquid via gravitational equilibrium and/or passive level control such that a first volume level of the first volume of immersion cooling liquid remains substantially equal to a second volume level of the second volume of immersion cooling liquid. | 08-07-2014 |
20140218858 | Stand Alone Immersion Tank Data Center with Contained Cooling - A stand-alone immersion tank datacenter (SITDC) includes: a multi-phase heat transfer immersion cooling tank having external walls surrounding a tank volume within which a dielectric liquid is maintained and heated to a boiling point temperature; a plurality of servers having one or more processing and memory components submerged within the dielectric liquid for cooling of the one or more components via heat dissipation from the one or more components into the dielectric liquid when the one or more components are connected to an electric power supply; and a condenser located vertically above the plurality of servers and in a direct path of rising dielectric vapor created when the dielectric liquid absorbs sufficient heat from the one or more components to reach a boiling point temperature of the liquid. The condenser can be a passive heat exchanger, created by providing a heat conductive material as a top lid of the tank. | 08-07-2014 |
20140218859 | System for Cooling Hard Disk Drives Using Vapor Momentum Driven By Boiling of Dielectric Liquid - A system for cooling hard disk drives (HDDs) includes: an enclosure having a lower volume within which a cooling liquid is heated to a boiling point temperature to cause some of the cooling liquid to evaporate into a plume of rising vapor; a HDD cooling area with at least one HDD placed in the direct path of the rising vapor, which cools the at least one HDD during functional operation of the at least one HDD; and a heat source that dissipates heat into the lower volume of the enclosure, sufficient to heat the cooling liquid to the boiling point temperature. The system can also include a condenser located above both the HDD cooling area. A substantial portion of the rising vapor that passes through the HDD cooling area and cools the at least one HDD is condensed back into liquid phase on contact with the condenser. | 08-07-2014 |
20140218861 | Vertically-Oriented Immersion Server with Vapor Bubble Deflector - An immersion server includes: a first surface that is exposed when the server is submerged within a cooling liquid; and at least one vapor bubble deflector physically abutting the first surface and extending away from the first surface at an angle. The deflector divides the first surface into an upper segment and a lower segment when the server is upright. When the server is submerged, the cooling liquid surrounding the lower segment absorbs sufficient heat to evaporate and generate vapor bubbles rising to the liquid surface. The vapor bubble deflector deflects the rising vapor bubbles away from the surface of the upper segment. This enables superior liquid contact with heat dissipating components at the upper segment and better cooling of those components. The deflector can be a device-level deflector separating two or more components or a component-level deflector separating a lower segment from an upper segment of a single component. | 08-07-2014 |
20150060009 | Techniques for Controlling Vapor Pressure in an Immersion Cooling Tank - A method that controls pressure within an immersion cooling tank having condensation fluid flowing through a condenser, includes: a controller receiving a signal that indicates a current level of vapor pressure within the tank; determining from the signal when the current level of vapor pressure exceeds or is below a first preset threshold pressure level; and in response to the current level of vapor pressure exceeding or being below the first preset threshold pressure level, signaling a flow control mechanism that modulates a flow rate of the condensation fluid through the condenser to increase or decrease the rate of flow from a current rate of flow. The controller receives the signal by a pressure sensor within the immersion cooling tank detecting the current vapor pressure, generating the signal and forwarding the signal to the controller. The pressure sensor can be a differential pressure transducer that measures a differential pressure internal to and outside of the immersion tank. | 03-05-2015 |
20150062806 | Immersion Server, Immersion Server Drawer, and Rack-Mountable Immersion Server Drawer-Based Cabinet - An information handling system includes: an immersion server drawer (ISD) having: an impervious enclosure which holds a volume of dielectric cooling liquid within/at the enclosure bottom. The ISD is configured with dimensions that enable insertion of liquid-cooled servers within the enclosure bottom. A plurality of liquid-cooled servers can be placed in a side-by-side configuration along one dimension of the ISD, with one or more heat dissipating components of the servers being placed below a surface layer of the cooling liquid. Submerged components of the immersion server are liquid-cooled, while the other heat generating components above the liquid surface are air cooled by rising vapor generated by boiling and vaporization of the cooling liquid. The ISD is placed in an ISD cabinet, which is configured with an upper condenser that allows for multi-phase cooling of the electronic devices placed within the immersion server drawer. The ISD cabinet can be rack-mountable. | 03-05-2015 |
20150070846 | System and Method for Powering Multiple Electronic Devices Operating Within an Immersion Cooling Vessel - An immersion cooling tank comprises: a dielectric liquid disposed within a lower volume of the tank; at least one electronic equipment immersed within the dielectric liquid and which requires electrical power to operate; and at least one power distribution unit and/or a bus bar distribution system submerged beneath a surface of the dielectric liquid and providing electrical power to the at least one electronic equipment. The immersion cooling tank further includes a condenser located vertically above the dielectric fluid and the at least one electronic equipment, and through which is flowing a condensation fluid that has a lower density than the dielectric liquid. A leak of the condensation fluid into the tank volume results in the condensation fluid floating atop the dielectric liquid and prevents the condensation liquid from coming into contact with the power distribution unit. The bus bar distribution system enables blind mating of inserted electronic components. | 03-12-2015 |
Patent application number | Description | Published |
20150177750 | ENHANCED FAN DESIGN, CONFIGURATION, AND CONTROL FOR MODULAR, SCALABLE AND EXPANDABLE, RACK-BASED INFORMATION HANDLING SYSTEM - A rack-based information handling system (IHS) includes a rack having a modular structure that supports insertion of different numbers and sizes of information technology (IT) gear to create one or more IT nodes. A fan bay module is attached to the rack and supports insertion of multiple different fan configurations in more than one fan receptacle. At least one fan is inserted within corresponding at least one fan receptacle of the fan bay module to conform to at least a first fan configuration. A block controller is configurable to control each of the different fan configurations and which, in response to detecting the first fan configuration of the at least one fan inserted within the fan bay module, activates a corresponding first control algorithm that enables the detected first fan configuration to be utilized to provide rack-level cooling for one or more of the IT nodes inserted within the rack. | 06-25-2015 |
20150241885 | SYSTEMS AND METHODS FOR PROVIDING USER-VISIBLE THERMAL PERFORMANCE DEGRADATION MONITORING IN AN INFORMATION HANDLING SYSTEM - In accordance with embodiments of the present disclosure, an information handling system may include a processor, a user interface communicatively coupled to the processor, and a thermal management application. The thermal management application may include a program of instructions embodied in non-transitory computer-readable media, and may be configured to, when executed by the processor receive measurements associated with a plurality of parameters of a thermal system of the information handling system, calculate a calculated thermal resistance based on the measurements, and report information regarding the calculated thermal resistance via the user interface. | 08-27-2015 |
20160007497 | APPARATUS AND METHOD FOR CONDUCTIVE COOLING OF AN INFORMATION HANDLING SYSTEM - An apparatus provides conductive cooling of an information handling system. The apparatus includes a panel having a vent area formed in the panel. The vent area includes a perimeter, an interior section and a plurality of ribs that extend across the interior section. The vent area further includes several openings defined by lateral spacing between the ribs. The openings extend through the panel and are configured to receive cooling airflow into the openings and to discharge cooling air flow from the openings. A conductive heat sink layer is attached to the panel. The conductive heat sink layer covers a perimeter area surrounding the vent area, with strips of the conductive heat sink layer also covering the ribs, while leaving the openings between the ribs uncovered such that the strips of the conductive heat sink layer function to conduct additional heat away from the vent area along the ribs. | 01-07-2016 |
20160033974 | METHOD AND SYSTEM FOR AUTOMATICALLY SCALING PERFORMANCE IN AN INFORMATION HANDLING SYSTEM - A method and an information handling system for selecting or scaling system performance. The method of scaling performance of an information handling system includes a controller receiving component data that identifies a heat removal effectiveness of a cooling component, selecting a performance characteristics of the information handling system based on the received component data, and adjusting the operating parameters of the information system to achieve the selected performance characteristics and heat removal capability. The controller communicates with the cooling component through a serial signal bus. The cooling component includes a cooling device and storage. | 02-04-2016 |
20160044824 | LIQUID-VAPOR PHASE CHANGE THERMAL INTERFACE MATERIAL - An assembly for cooling a heat dissipating device reducing the thermal contact/interface resistance between a heatsink and a heat dissipating device includes: a heat dissipating device having a heat releasing surface; a heatsink having a heat absorbing surface; a gasket extending between the heat releasing surface and the heat absorbing surface to provide a sealed interstitial cavity; and a working fluid provided within the cavity. The working fluid has specific thermal properties that cause the fluid to (i) absorb latent heat and evaporate from a liquid to a vapor at the liquid surface in contact with the heat releasing surface during operation of the heat dissipating device and (ii) condense from the vapor back to the liquid when the vapor contacts the heat absorbing surface of the heatsink, thus releasing the latent heat from the vapor to the heatsink. | 02-11-2016 |
20160088774 | EMBEDDED CHASSIS DUCTING SYSTEM FOR PARALLELIZING AIRFLOW THROUGH COMPONENTS ORIENTED IN SERIES - An information handling system (IHS) has a server chassis assembly including a server chassis with a cold air inlet and a hot air exhaust and provisioned with compute components that are series aligned. A ducting structure positioned in the server chassis defines a cold air plenum in fluid communication with the cold air inlet and a hot air plenum in fluid communication with the hot air exhaust. A shroud of the ducting structure separates the cold air plenum and the hot air plenum. Air drops are provided longitudinally along the shroud corresponding respectively to the respective compute components being cooled. The air drops are each in fluid communication between the cold air plenum and the hot air plenum. Hot air from one compute component is routed directly to the hot air plenum away from other compute components. | 03-24-2016 |
20160088775 | BI-DIRECTIONAL AIRFLOW HEATSINK - An information handling system (IHS) has a heatsink including cooling fins each having a plate structure and attached to the base in spaced parallel arrangement for receiving a first air flow that is in parallel alignment to the conductive surface. The heatsink includes a tunnel formed through the cooling fins perpendicularly to the first air flow. The IHS provides cooling air to one or more heatsinks without thermally shadowing other compute components as well as providing a second flow of cooling air to downstream component/s via the tunnel of each heatsink. | 03-24-2016 |
20160095250 | AIRFLOW CONTROL SYSTEM - An information handling system (IHS) cooling system includes a multi-IHS chassis having at least one fan system that produces an airflow. An IHS is positioned in the multi-IHS chassis. The IHS includes an IHS chassis that houses a processing system and a memory system. An airflow channel is defined within the IHS chassis and is configured to receive at least a portion of the airflow produced by the at least one fan system. An airflow impedance element is positioned in the airflow channel, and includes a first orientation in which the airflow impedance element extends into the airflow channel to impede airflow through the airflow channel. The airflow impedance element is configured to change shape as a function of temperature into at least one second orientation that reduces the impedance of airflow through the airflow channel. In some embodiments, the airflow impedance element is a bimetallic plate. | 03-31-2016 |
Patent application number | Description | Published |
20090011928 | PHOTOCATALYTIC METHODS FOR PREPARATION OF ELECTROCATALYST MATERIALS - The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs). | 01-08-2009 |
20130302721 | DENDRITIC METAL NANOSTRUCTURES FOR FUEL CELLS AND OTHER APPLICATIONS - Embodiment of the present invention relate to dendrimers useful for application as catalysts, in particular as improved electrocatalysts for polymer electrolyte membrane fuel cells (PEM-FCs). Methods of preparing such catalysts are described. Examples include dendritic nanostructured metal catalysts, such as platinum and platinum-alloy catalysts. | 11-14-2013 |
20140031193 | PHOTOCATALYTIC METHODS FOR PREPARATION OF ELECTROCATALYST MATERIALS - The invention relates to methods and structures of metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs). | 01-30-2014 |
20140080038 | PHOTOCATALYTIC METHODS FOR PREPARATION OF ELECTROCATALYST MATERIALS - The invention relates to methods of preparing metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in proton exchange membrane fuel cells (PEM-FCs). | 03-20-2014 |