Patent application number | Description | Published |
20080222954 | Self-Regulating Feedstock Delivery Systems and Hydrogen-Generating Fuel Processing Assemblies and Fuel Cell Systems Incorporating the Same - Feedstock delivery systems and hydrogen-producing fuel processing assemblies and fuel cell systems containing the same. The feedstock delivery systems include a liquid pump that draws at least one liquid feedstock from a supply and delivers at least one feed stream containing the feedstock(s) to a fuel processor, such as to the hydrogen-producing region thereof. The feedstock delivery system further includes a recycle conduit that establishes a fluid flow path for the liquid feedstock(s) from a location downstream of the pump back to a location upstream of the pump. In some embodiments, the feedstock delivery system further includes a flow restrictor associated with the recycle conduit and a pressure-actuated valve that selectively permits the recycled feedstock to bypass the flow restrictor. In some embodiments, the pump is configured to draw a greater flow rate of the feed stream from the supply than is delivered to the fuel processor. | 09-18-2008 |
20080248347 | FUEL PROCESSOR FEEDSTOCK DELIVERY SYSTEM - Fuel processing and fuel cell systems with feedstock delivery systems that are designed to deliver a mixed component feed stream to a hydrogen-producing region for the production of hydrogen gas therefrom and to selectively deliver the feed stream to a heating assembly for use as a combustible fuel stream for heating at least the hydrogen-producing region. The feed stream contains water and a carbon-containing feedstock, and may contain at least 31 vol % water. In some embodiments, the feedstock delivery system may be adapted to mix the components of the feed stream at a determined mix ratio and to deliver this feed stream to the fuel processor(s). The fuel processing system may also include one or more fuel cell stacks that are adapted to produce an electric current from the product hydrogen stream produced by the fuel processing system. | 10-09-2008 |
20080305034 | STEAM REFORMING FUEL PROCESSOR, BURNER ASSEMBLY, AND METHODS OF OPERATING THE SAME - Systems and methods for producing hydrogen gas with a fuel processing system that includes a hydrogen-producing region that produces hydrogen gas from a feed stream and a heating assembly that consumes a fuel stream to produce a heated exhaust stream for heating the hydrogen-producing region. In some embodiments, the heating assembly heats the hydrogen-producing region to at least a minimum hydrogen-producing temperature. In some embodiments, the feed stream and the fuel stream both contain a carbon-containing feedstock and at least 25 wt % water. In some embodiments, at least one of the feed and fuel streams contain at least one additional component. In some embodiments, the feed and fuel streams have the same composition. In some embodiments, the feed and fuel streams are drawn or obtained from a common source or supply, and in some embodiments as a liquid stream that is selectively apportioned to form the feed and fuel streams. | 12-11-2008 |
20120058403 | HYDROGEN PURIFICATION MEMBRANES, COMPONENTS AND FUEL PROCESSING SYSTEMS CONTAINING THE SAME - Hydrogen-producing fuel processing systems, hydrogen purification membranes, hydrogen purification devices, fuel processing and fuel cell systems that include hydrogen purification devices, and methods for operating the same. In some embodiments, operation of the fuel processing system is initiated by heating at least the reforming region of the fuel processing system to at least a selected hydrogen-producing operating temperature. In some embodiments, an electric heater is utilized to perform this initial heating. In some embodiments, use of the electric heater is discontinued after startup, and a burner or other combustion-based heating assembly combusts a fuel to heat at least the hydrogen producing region, such as due to the reforming region utilizing an endothermic catalytic reaction to produce hydrogen gas. | 03-08-2012 |
20120231356 | FUEL CELL SYSTEM CONTROLLER - A fuel cell system that includes a control system for regulating the power produced by the fuel cell system. The fuel cell system includes a fuel cell stack adapted to produce electrical power from a feed. In some embodiments, the fuel cell system includes a fuel processing assembly adapted to produce the feed for the fuel cell stack from one or more feedstocks. The control system regulates the power produced by the fuel cell system to prevent damage to, and/or failure of, the system. | 09-13-2012 |
20130011301 | HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES - Hydrogen generation assemblies, hydrogen purification devices, and their components, and methods of manufacturing those assemblies, devices, and components are disclosed. In some embodiments, the assemblies may include a vaporization region with packing material configured to transfer heat from a heated exhaust stream to a liquid-containing feed stream, and/or an insulation base adjacent a combustion region and configured to reduce external temperature of an enclosure. In some embodiments, the assemblies may include a cooling block configured to maintain an igniter assembly in thermal communication with a feed stream conduit, an igniter assembly including a catalytic coating, and/or a fuel stream distribution assembly. In some embodiments, the assemblies may include a heat conducting assembly configured to conduct heat from external heaters to an enclosure portion. In some embodiments, the devices may include frames with membrane support structures and/or may include a microscreen structure configured to prevent intermetallic diffusion. | 01-10-2013 |
20130108514 | HYDROGEN PURIFICATION MEMBRANES, COMPONENTS AND FUEL PROCESSING SYSTEMS CONTAINING THE SAME | 05-02-2013 |
20140065020 | HYDROGEN GENERATION ASSEMBLIES - Hydrogen generation assemblies and their components are disclosed. In some embodiments, the assemblies may include a pump controller configured to select a flowrate from a plurality of flowrates based on detected pressure, and to operate the pump at the selected flowrate. In some embodiments, the assemblies may include a purge valve assembly configured to allow at least one pressurized gas to flow through a purge conduit from a pressurized gas assembly to a fuel processing assembly when power to the fuel processing assembly is interrupted. In some embodiments, the assemblies may include a damper controller configured to move a damper between fully open and closed positions based, at least in part, on detected temperature in a hydrogen-producing region. In some embodiments, the assemblies may include a reformer controller configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure. | 03-06-2014 |
20140065021 | HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES - Hydrogen generation assemblies, hydrogen purification devices, and their components are disclosed. In some embodiments, the devices may include a permeate frame with a membrane support structure having first and second membrane support plates that are free from perforations and that include a plurality of microgrooves configured to provide flow channels for at least part of the permeate stream. In some embodiments, the assemblies may include a return conduit fluidly connecting a buffer tank and a reformate conduit, a return valve assembly configured to manage flow in the return conduit, and a control assembly configured to operate a fuel processing assembly between run and standby modes based, at least in part, on detected pressure in the buffer tank and configured to direct the return valve assembly to allow product hydrogen stream to flow from the buffer tank to the reformate conduit when the fuel processing assembly is in the standby mode. | 03-06-2014 |
20150122128 | HYDROGEN GENERATION ASSEMBLIES AND HYDROGEN PURIFICATION DEVICES - Hydrogen generation assemblies, hydrogen purification devices, and their components, and methods of manufacturing those assemblies, devices, and components are disclosed. In some embodiments, the devices may include frames with membrane support structures and/or may include a microscreen structure configured to prevent intermetallic diffusion. | 05-07-2015 |
Patent application number | Description | Published |
20090119349 | Methods and Computer Program Products for Efficient Conflict Detection in a Replicated Hierarchical Content Repository Using Replication Anchors - Exemplary embodiments of the present invention relate to a methodology for using replication anchors to detect conflicts within replicated hierarchical content repository. The method comprises locking a data object in the event that an operation applied on the data object is replicated from a first server to a second server, reading a transaction identifier that is associated with the data object, retrieving a transaction sequence value that is associated with the transaction identifier, and determining if a conflict situation exist by comparing the retrieved transaction sequence value with an operation synchronization anchor value, the operation synchronization value being the transaction sequence value of a last transaction from the second server to the first server, wherein a conflict situation is determined to exist in the event that the transaction sequence value is greater than the operation synchronization anchor value. | 05-07-2009 |
20090119351 | Methods and Computer Program Products for Transaction Consistent Content Replication - Exemplary embodiments of the present invention relate to methodologies, computer program products and systems for the support of content replication, wherein transaction-level data replication consistency is guaranteed. Further, the exemplary methodologies of the present invention can be implemented while incurring little or no additional I/O overhead. | 05-07-2009 |
20090292779 | Method and System for Supervising Electronic Text Communications of an Enterprise - A method and system for supervising electronic text messages in an enterprise allows for storing organizational information related to the enterprise, identifying a source and a target of the electronic text message, invoking communication screens between the identified source and target, each of the invoked communication screens being determined by the organizational information for the identified source and target, analyzing the electronic text message by a set of rules corresponding to said invoked communication screens to provide a supervisory score, and applying supervisory action to the electronic text message based on the supervisory score, including any of blocking transmission, redirecting the electronic text message to a supervisor or a supervisory file, and copying the electronic text message to the supervisory file. | 11-26-2009 |
20100010965 | Query Management Systems - Methods and computer program products are presented for managing a query result set in response to a search, including: generating a user request corresponding with a portion of the query result set, responsive to the portion of the query result set being resident on a client cache, returning the portion of the query result set corresponding with the user request to a client table, responsive to the user request not having been sent to an application server, adding the user request to an inflight queue, sending the user request to the application server, returning the portion of the query result set corresponding with the user request to the client cache, and returning the portion of the query result set corresponding with the user request to the client table, and responsive to the user request having been sent to the application server, adding the user request to a blocked cache queue. | 01-14-2010 |
20140282097 | TECHNIQUES TO FACILITATE COLLABORATIVE SOCIAL CODING - Embodiments relate to method and program product enabling collaborative social coding. Social networking functionality is embedded and via that social networking functionality information relating to a particular function across a computing network is tracked. The tracked information is then accumulating and organized as relating to a particular function. Upon request receipt, information is then provided relating to the particular function including a list of those accessing that function. | 09-18-2014 |
20140337421 | QUERY-DRIVEN VIRTUAL SOCIAL NETWORK GROUP - Embodiments relate to implementing a query-driven virtual social media network group. An aspect includes providing, through a social media network, a search function option incorporated into a user interface that is configured for access by a user of the social media network. Another aspect includes receiving, at the social media network, a query from the user through the search function option of the user interface and searching a database of user profiles and content history for information that satisfies the query. The user profiles and the content history include content received from users as members of the social media network. A further aspect includes creating a virtual social media network group from results of the searching and providing access to a view of the virtual social media network group via the user interface for the user. | 11-13-2014 |