Patent application number | Description | Published |
20140300367 | DEVICE FOR MEASURING VOLTAGE IN A FUEL CELL - A device for measuring voltages of N cells in a fuel cell includes plural voltage measurement modules and a communication bus connecting in series the plural measurement devices to a computer. The N cells are separated by bipolar plates. Each module can measure M voltages on a group of adjoining cells of the fuel cell, with M being a natural number, and with M≦N/2. A group of cells measured by a first module is adjacent to group of cells measured by a second module. Each module includes a mechanism for fixing the module onto the fuel cell, a voltage measurement device, a connector for connecting bipolar plates of the module to the voltage measurement device, and a connector for connecting the voltage measurement device to the communication bus. A last bipolar plate connected to the first module also is connected to the second module. | 10-09-2014 |
20150136352 | COOLING CIRCUIT FOR FUEL CELL - A cooling circuit for a fuel cell includes at least one channel, a mechanical support, a first sensor, and a second sensor. Each channel is formed in a bipolar plate of the fuel cell, and is adapted to permit a cooling fluid to flow. The first sensor senses a flow rate of the cooling fluid. The second sensor senses an electrical conductivity of the cooling fluid. Both the first sensor and the second sensor are installed on the mechanical support. | 05-21-2015 |
20150316439 | HYDROGEN LEAKAGE DETECTOR - A hydrogen leakage detector includes a sensor and a microcontroller. The sensor is sensitive to a concentration of hydrogen in air. A sensitive unit of the sensor is exposed directly to an in situ concentration of the hydrogen. The microcontroller is programmed to generate and output an analog signal corresponding to concentration information, based on a concentration measurement from the sensor, and to generate and output an analog signal indicating a correct operation of the detector. | 11-05-2015 |
20150325867 | FUEL CELL SYSTEM EQUIPPED WITH A HYDROGEN LEAKAGE DETECTOR - A fuel cell system includes a stack of electrochemical cells, a sensor, and a microcontroller. Each cell of the stack includes an electrode plate having a face in electrical contact with an electrolyte. At least one tube is connected to the face of each cell in a circuit for exchanging a gas with an area exterior to the stack. The sensor is sensitive to a concentration of the gas in air surrounding the stack. A sensitive unit of the sensor is exposed directly to an in situ quantity of a component of the gas. The microcontroller is programmed to generate and output an analog signal corresponding to concentration information, based on a concentration measurement, and to generate and output an analog signal indicating an operation status of the sensor. | 11-12-2015 |
20150325871 | PROCEDURE FOR DETECTING THE STATE OF PERMEABILITY OF THE ION EXCHANGE POLYMER MEMBRANE OF A FUEL CELL - An automated method or procedure for detecting a permeability state of a membrane of a fuel cell stack is provided. The procedure is sensitive enough to detect a defective membrane, and is accurate enough to enable correct maintenance of the fuel cell stack. The fuel cell stack is formed of a stack of electrochemical cells each having an anode and a cathode sandwiching a polymeric ion-exchange membrane therebetween. The fuel cell stack includes a fuel gas supply system on the anode side of the electrochemical cells, and includes an oxidant gas supply system on the cathode side of the electrochemical cells. | 11-12-2015 |
Patent application number | Description | Published |
20120237843 | ELECTROCHEMICAL REACTOR, SUCH AS A FUEL CELL OR AN ELECTROLYSER, PROVIDED WITH A DEVICE FOR MEASURING A PARAMETER OF A GAS SPECIFIC TO THE OPERATION OF SAID REACTOR - An electrochemical reactor, such as a fuel cell stack or an electrolyser, comprises: a stack ( | 09-20-2012 |
20120270127 | Method for Detecting the Permeability State of the Ion Exchanger Polymer Membrane of a Fuel Cell - Procedure for detecting the permeability state of the polymeric ion-exchange membrane of a fuel cell stack, in which, as soon as the pressure difference in the anode and cathode circuits drops to a value below a threshold value P | 10-25-2012 |
20120276465 | Method for Detecting the Sealed State of a Fuel Cell - Procedure for detecting the sealing state of a fuel cell stack in which, as soon as the fuel cell stack is considered to be extinguished, the sum of the pressures in the anode circuit and in the cathode circuit equal to P | 11-01-2012 |
20120308906 | Fuel Cell and Method for Stopping a Fuel Cell - The fuel cell stack ( | 12-06-2012 |
20130344406 | RECIRCULATING LOOP FOR A FUEL CELL - Recycling loop for a gas circuit of a fuel cell stack, forming a connecting line beginning at the outlet of one of the two anode or cathode circuits and terminating in one of the two supply circuits, either in the fuel gas supply channel, or in the oxidant gas supply channel, providing the recycling of the gas contained in the anode or cathode circuits of the fuel cell stack, and comprising a pump that provides the recycling of the gas contained in the anode or cathode circuits of the fuel cell stack, a multi-way valve dividing said recycling loop into a first section and a second section, said multi-way valve having a first stable usage position providing the continuity between the first and second sections of said recycling loop and having a second stable usage position simultaneously providing the interruption of said continuity between the first and second sections of said recycling loop and a bringing of said recycling loop into contact with the atmosphere carried out by manoeuvring said multi-way valve. | 12-26-2013 |
Patent application number | Description | Published |
20140114414 | DEVICES AND METHODS FOR SPINAL STABILIZATION AND INSTRUMENTATION - Apparatus and methods for providing spinal percutaneous delivery of an implant that can rigidly fixate the spinous process of a first superior bone and a second inferior bone of a functional spinal unit. In one aspect, the device comprises two bone abutment members connected via an interconnecting member. In another aspect, the method comprises implanting at least two spinal implant apparatus within a target disc space via an implantation apparatus. In another aspect, a placement instrument comprising an implant delivery segment, an anchor segment, and an articulating arm is disclosed. | 04-24-2014 |
20140277486 | METHODS AND APPARATUS FOR IMPLANTING AN INTERBODY DEVICE - A delivery device for inserting an interbody implant into an intervertebral space in a patient has an elongate tube with a channel and is sized to fit in an intervertebral space. The elongate tube has a proximal portion, a distal portion, a longitudinal axis, and a window with a longitudinal axis. The window is disposed adjacent the distal portion of the elongate tube and the longitudinal axis of the window is offset from the longitudinal axis of the elongate tube. The channel is sized to receive the interbody implant, and also the channel is configured such that the interbody implant is advanced therealong from the proximal region toward the distal region. The interbody implant is deployed into the intervertebral space from the window. | 09-18-2014 |
20150012098 | METHODS AND APPARATUS FOR IMPLANTING AN INTERBODY DEVICE - An interbody implant comprises one or more elongate members that have superior and inferior surfaces with a height, and medial and lateral surfaces having a width. The height is set so the implant fits into the intervertebral space. The width is less than the height. The interbody implant has a first configuration, a second configuration, and a third configuration. The interbody implant is inserted into the intervertebral space in the first configuration such that medial and lateral surfaces contact the vertebral bodies, and the interbody implant is then actuated into the second configuration such that superior and inferior surfaces engage the vertebral bodies. Actuation of the implant from the first configuration to the second configuration distracts the vertebral bodies. The implant is actuated into the third configuration where the width of the implant is greater than width of the implant in the first or the second configuration. | 01-08-2015 |
20150080973 | METHODS AND APPARATUS FOR AN INSERTION GUIDE DEVICE - A delivery instrument for placing an interbody implant into an intervertebral space of a patient comprises a plurality of elongated plates disposed adjacent one another. Each elongated plate has a proximal portion and a distal portion. The distal portion is sized and shaped to fit into the intervertebral space, and is configured to engage a vertebral body in the intervertebral space. An expandable member is coupled to the plurality of elongated plates so as to form an enclosed tube that is sized and shaped to receive the interbody implant. The expandable member allows for translation of the plurality of elongated plates relative to one another as the interbody implant passes through the tube. | 03-19-2015 |
Patent application number | Description | Published |
20100154339 | PROCESS FOR REALISING HIGH-RESISTANCE SLABS OR TILES, DESTINED FOR COVERING INTERNAL OR EXTERNAL FLOORS OR WALLS - The process for realizing high-resistance slabs or tiles, destined for covering internal or external floors or walls comprises following stages: arranging a slab or tile exhibiting an in-view surface; arranging at least a slim support slab or support plate having a characteristic of possessing a thermal expansion coefficient which is greater than a thermal expansion coefficient of the slab or tile, the slim support slab or support plate exhibiting good properties of tenacity and resistance to easy breakage thereof; gluing under heating the slab or tile onto the slim support slab or support plate, or vice versa, using a suitable glue for adhering to surfaces thereof to be glued; leaving an assembly thus obtained to cool down to an ambient temperature such that owing to a different thermal expansion coefficient (contraction), the slim support slab or support plate induces on the slab or tile, to which it is solidly glued, a state of compression starting from a lower surface thereof which is opposite the in-view surface. | 06-24-2010 |
20130291468 | PROCESS FOR FORMING HIGH-RESISTANCE SLABS OR TILES, INTENDED FOR COVERING INTERNAL OR EXTERNAL FLOORS OR WALLS - The process includes the following stages: arranging a slab or tile exhibiting an in-view surface; arranging at least a slim support slab or support plate having a characteristic of possessing a thermal expansion coefficient which is greater than a thermal expansion coefficient of the slab or tile, the slim support slab or support plate exhibiting effective properties of tenacity and resistance to easy breakage thereof; gluing under heating the slab or tile onto the slim support slab or support plate, or vice versa, using a suitable glue for adhering to surfaces thereof to be glued; leaving an assembly thus obtained to cool down to an ambient temperature such that owing to a different thermal expansion coefficient (contraction), the slim support slab or support plate induces on the slab or tile, to which it is solidly glued, a state of compression starting from a lower surface thereof which is opposite the in-view surface. | 11-07-2013 |