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| 20090035618 | SYSTEM AND METHOD FOR RECIRCULATING UNUSED FUEL IN FUEL CELL APPLICATION - A system and method for delivering an input fluid stream through a fuel cell stack and discharge an unused fluid stream is provided. An inlet of the fuel cell stack is adapted to receive the fluid stream. An ejector is configured to combine the supply fluid stream and the unused fluid stream to generate the input fluid stream and control the flow of the input fluid stream to the fuel cell stack. A blower is configured to control the flow of the unused fluid stream to the ejector. A bypass valve is configured to control the flow of the unused fluid stream to the blower and to the ejector. | 02-05-2009 |
| 20090208789 | SYSTEM AND METHOD FOR PURGING WATER FROM A FUEL CELL STACK - A system for delivering an input fuel stream to a fuel cell stack to generate electrical current and to discharge an unused fuel stream is provided. A supply produces a supply fuel stream. An ejector combines a purged fuel stream and the supply fuel stream and controls the flow of the input fuel stream to the fuel cell stack. A purging arrangement receives the unused fuel stream which includes impurities and purges the impurities from the unused fuel stream to generate the purged fuel stream. A bypass valve is capable of delivering the purged fuel stream to the ejector. A blower is capable of delivering the purged fuel stream to the ejector. A controller controls one of the bypass valve and the blower for delivering the purged fuel stream to the ejector based on the amount of electrical current generated by the fuel cell stack. | 08-20-2009 |
| 20090255326 | ANODE LEAK TEST IMPLEMENTATION - A system and method is provided for detecting an anode leak of an anode stream in a fuel cell stack. The system comprises a controller that stores at least one first predetermined control value that corresponds to a first pre-selected pressure level. The controller generates at least one first operational control value. The controller controls a pressure regulator device to adjust the pressure of the anode stream to reach the first pre-selected pressure level with the at least one first operational control value. The controller compares the at least one first operational control value to the at least one first predetermined control value. The controller determines the presence of an anode leak in the anode stream based on the comparison of the at least one first operational control value to the at least one first predetermined control value. | 10-15-2009 |
| 20100178578 | SYSTEM AND METHOD FOR DETECTING A FUEL CELL ANODE GAS COMPOSITION - In at least one embodiment, a purge system for a fuel cell stack is provided. The system comprises a blower, a differential pressure sensor and a purge valve. The blower delivers a recirculated gas back to the stack at varying electrical power levels and blower speeds. The differential pressure sensor senses pressure of the recirculated gas across the blower. The purge valve purges the recirculated gas based on at least one of a blower power level, a blower speed, and the pressure of the recirculated gas. | 07-15-2010 |
| 20110008689 | SYSTEM AND METHOD FOR HUMIDIFYING A MASTER FUEL CELL STACK WITH A SLAVE FUEL CELL STACK - A system and method for humidifying a fuel cell stack system is provided. The system includes a slave stack, a master stack and at least one valve. The slave stack generates power to drive a load in response to at least one fluid stream and discharges at least one recirculated fluid stream having water content therein. The master stack receives the at least recirculated fluid stream to humidify the master stack with the water content. The valve delivers the at least one recirculated fluid stream from the slave stack to the master stack based on a power request amount by the load. | 01-13-2011 |
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| 20100055165 | LIPOSOMAL GEL PHTHALOCYANINE PREPARATION FOR PHOTODYNAMIC THERAPY OF TUMORS AND ITS MANUFACTURING - Liposomal gel hydrophobic phthalocyanine (FCH) preparation for photodynamic therapy of tumors and other diseases is composed of lecithin liposomes or liposomes on the basis of other lipids, with incorporated curing drug, which can be chosen either from a group including hydrophobic hydroxyaluminum phthalocyanine, hydrophobic aluminum phthalocyanine, hydrophobic zinc phthalocyanine, hydrophobic silicone phthalocyanine, or organic silicone phthalocyanine, or hydrophobic phthalocyanine without the core metal; while resulting liposomes are mixed in ratios of 10:1 to 1:10 with a translucent gel, advantageously on the basis of carboxymethylcellulose. The added curing drug can be coated by glucose or other saccharides, by polyethylenglycol or other usable polymers, as lecithin or other lipids, or by sodium chloride or other salts usable in pharmacology. Liposomal gel hydrophobic phthalocyanine (FCH) preparation is manufactured on the following schema: Lecithin or other lipid of a pharmacological purity at concentration between 10 to 40 mg per ml of sterile isotonic solution is fluidised on a microfluidizer in particular chamber to the final particle size smaller than 1000 nm, in temperature higher than 0° C. and a pressure at 500 to 2000 Bar; then while stirring the curing drug or the treated curing drug is added in the ratio of 5:1 to 0.1:1 in relation to the lecithin or other lipid; the resulting suspension is again fludized on a microfludizer in particular smaller chamber to the final particle size smaller than 500 nanometer, with pressure at least 1000 to 2000 Bar, in temperature higher than 0° C.; the resulting suspension is then mixed with a translucent gel in ratios of 10:1 to 1:10; Alternatively, first lecithin or other lipid of a pharmacological purity at concentration between 10 to 40 mg per ml of sterile isotonic solution is microfludized on a microfluidizer in particular chamber to the final particle size smaller than 1000 nm, a pressure at least 1000 to 2000 Bar and temperature higher than 0° C.; Afterwards, in parallel the curing drug or the treated curing drug is separately microfluidized in amounts corresponding to the ratio of 5:1 to 0.1:1 in relation to the lecithin or other lipid in an equal volume of fluid, advantageously on the basis of sterile isotonic solution to the final particle size smaller than 1000 nanometer, and with pressure at 1000 to 2000 Bar; Afterwards both microfludized components are mixed together and again microfludized on a microfludizer in particular chamber with a pressure at 1000 to 2000 Bar and temperature higher than 0° C. to the final particle size maximum of 500 nanometer, the resulting suspension is fluidised on a microfluidizer in a particular smaller chamber with a pressure at least 1000 to 2000 Bar and temperature higher than 0° C. to the final particle size smaller then 500 nm, the resulting suspension is then mixed with a translucent gel in ratios of 10:1 to 1:10; Alternatively, Lecithin or other lipid in the pharmacological purity at the concentration of 10 to 40 mg per milliliter of sterile isotonic solution is first treated by extrusion across the filters with a size 10 to 500 nm together with the curing drug or the treated curing drug in the ratio of 5:1 to 0.1:1 related to the lecithin or other lipid; and the resulting suspension is again fluidised on a microfluidizer in a particular chamber with a pressure at least 1000 to 2000 Bar and temperature higher than 0° C. to the final particle size smaller then 500 nm, with a pressure at least 1000 to 2000 Bar and temperature higher than 0° C., the resulting suspension is mixed with a translucent pharmaceutical gel in a ratio of 10:1 to 1:10. | 03-04-2010 |
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| 20110044187 | METHOD FOR OPERATING A RADIO STATION IN A MOBILE NETWORK - The present invention relates to a method for operating a secondary station comprising means for communicating with a primary station, the method comprising receiving from the primary station an interference status report, said interference status report comprising an spatial indication being representative of a spatial characteristic of the interference, measuring channel characteristics on reference symbols, and interpreting the measured channel characteristics with help of the interference status report. | 02-24-2011 |
| 20110045859 | METHOD FOR OPERATING A RADIO STATION IN A MOBILE NETWORK - The present invention relates to a secondary station comprising means for communicating with at least one primary station, the secondary station comprising means for receiving from the primary station a subset of reference symbols selected out a set of possible reference symbols, the reference symbols of the subset being associated with a spatial channel, wherein a transmission characteristic of the subset of reference symbols depends on the spatial channel. | 02-24-2011 |
| 20120106424 | METHOD FOR COMMUNICATING IN A MOBILE NETWORK IMPLEMENTING DISCONTINUOUS RECEPTION - The present invention relates to a method for operating a network comprising a primary station communicating with a plurality of secondary stations, the method comprising the primary station communicating with a secondary station in a discontinuous mode; the secondary station transmitting to the primary station a control message based on the current status of the secondary station; the primary station changing a parameter of the discontinuous mode based on the control message. | 05-03-2012 |
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| 20110026490 | METHOD FOR COMMUNICATING AND RADIO STATION THEREFOR - The present invention relates to method for communicating between a primary station and a secondary station comprising (a) at the secondary station, upon arrival of a data packet to be transmitted to the primary station, buffering said data packet in a buffer, and transmitting to the primary station a request for an uplink transmission resource if a request condition is satisfied, said request condition being based on at least one previous grant of uplink transmission resource, (b) at the primary station, granting to the secondary station an uplink transmission resource to be used. | 02-03-2011 |
| 20110039500 | METHOD FOR COMMUNICATING IN A NETWORK AND RADIO STATIONS THEREFOR - The present invention relates to a method for communicating between a primary station and at least one secondary station, comprising the steps of (a) at the primary station, requesting the secondary station to transmit channel quality information representative of the channel quality and, (b) at the secondary station, responsive to the request of step (a), transmitting to the primary station the channel quality information, wherein step (b) comprises substep (b1) wherein the secondary station further transmits with the channel quality information an indication of a secondary station buffer status. | 02-17-2011 |
| 20110044277 | RESOURCE ALLOCATION IN TWO DOMAINS - The present invention relates to a method for transmitting data from a secondary station to at least one primary station, comprising, at the primary station, transmitting on a signaling channel to the secondary station a resource allocation message allocating resource blocks for transmission of data from the secondary station, said message comprising a field for allocating resources in a first domain, and wherein at least one bit of said field is stolen to allocate resources in a second domain being different from the first domain. | 02-24-2011 |
| 20110085566 | METHOD FOR COMMUNICATING IN A NETWORK AND RADIO STATIONS ASSOCIATED - The present invention relates to a method for communicating in a network comprising a primary station and at least one secondary station, said secondary station comprising a buffer containing data packets to be transmitted to the primary station, the method comprising the step of the secondary station transmitting an indication of the buffer status to the primary station, said indication comprising information about history of said buffer. | 04-14-2011 |
| 20120002612 | METHOD FOR COMMUNICATING IN A MIMO NETWORK - The present invention relates to a method for communicating in a network, said network comprising a primary station and at least a first secondary station, wherein the first secondary station transmits to the primary station an indication of a first plurality of precoding vectors, wherein the number of first precoding vectors is greater than a preferred rank of transmission from the primary station to the first secondary station. | 01-05-2012 |
| 20120009917 | METHOD FOR COMMUNICATING IN A MIMO NETWORK - The present invention relates to method for communicating in a network, said network comprising a primary station and at least one secondary station having a plurality of antennas, the method comprising the step of the primary station transmitting to a first secondary station an indication of a first receive combining matrix that the first secondary station should use to combine the signals received at its said plurality of antennas from a first subsequent transmission from the primary station. | 01-12-2012 |
| 20120033569 | ADAPTIVE BUFFER STATUS REPORTING - The present invention relates to a method for communicating in a network from a first station to a second station, wherein the first station comprises at least one buffer memory for storing data packets to be transmitted, the method comprising the steps of (a) the first station estimating the status of the at least one buffer memory, (b) the first station transmitting at least one buffer status packet representative of the buffer memory status, wherein the method further comprises (c) adapting the value of a first parameter of the buffer status packets on the basis of a data traffic characteristic. | 02-09-2012 |
| 20120046027 | METHOD FOR COMMUNICATION IN A MOBILE NETWORK - The present invention relates to a method for communicating between a primary station and at least one secondary station, comprising configuring a secondary station being in a first state to search at least one of a plurality of search spaces having a first structure, said first structure consisting of at least a first number of resource sets having a first size, where at least one resource set might be used to transmit a message to the considered secondary station, changing the search space structure to a second structure different from the first structure when the secondary station enters into a second state. | 02-23-2012 |
| 20120057645 | METHOD FOR COMMUNICATING IN A NETWORK - The present invention relates to a method for operating a communication system in a network, the system comprising a primary station and at least one secondary station, the primary station comprising a plurality of transmit antennas and the secondary station comprising a plurality of receive antennas, the method comprising the steps of the primary station selecting a first communication scheme among a plurality of communication schemes, the primary station computing a transmission vector on the basis of the first communication scheme, the secondary station computing a reception vector on the basis of a second communication scheme, the second communication scheme being selected among the plurality of communication schemes by the secondary station on the assumption that a predetermined communication scheme is being used by the primary station. | 03-08-2012 |
| 20120106389 | METHOD FOR COMMUNICATING IN A NETWORK - The present invention relates to a method for operating a network comprising a primary station communicating with a plurality of secondary stations, the method comprising the primary station communicating with a secondary station in a discontinuous mode; the secondary station transmitting to the primary station a control message based on the current status of the secondary station; the primary station changing a parameter of the discontinuous mode based on the control message. | 05-03-2012 |
| 20120106494 | METHOD FOR COMMUNICATING IN A MOBILE NETWORK - The present invention relates to a method for communicating between a primary station and a plurality of secondary stations, comprising (a) the primary station configuring a secondary station to search on a first channel at least one of a plurality of search spaces having a first structure, said first structure consisting of at least a first number of resource sets, where at least one resource set might be used to transmit a message to a secondary station, (b) the primary station setting a characteristic of the first channel to a first value. (c) the primary station changing the characteristic of the first channel to a second value upon detection of a capacity event in the search spaces. | 05-03-2012 |
| 20120113936 | METHOD FOR COMMUNICATING IN A MOBILE NETWORK - The present invention relates to a method or communicating between a primary station and a plurality of secondary stations, comprising the primary station providing a plurality of resource sets, the primary station configuring a secondary station to search for a control channel on at least one of a plurality of search spaces each corresponding to a resource set, wherein at least part of one of the search spaces is used to transmit a control message to a secondary station, the control message being indicative of a resource allocated to the secondary station for transmitting to the primary station or receiving from the primary station data, and wherein the secondary station deduces from the part of the search space used for transmitting the control message an indication of the resource set from the plurality of resource sets within which the allocated resource is located. | 05-10-2012 |
