Patent application number | Description | Published |
20090081520 | METAL SEPARATOR FOR FUEL CELLS AND FABRICATING METHOD THEREOF - A metal separator for fuel cells formed with a metal plate and provided between cells accumulated, in which the metal plate is formed like trapezoidal irregularities to separate channels for a fuel gas from ones for an oxidant gas. Slope portions are formed after forming uniformly and thinly wall thickness of both upper and lower flat portions or either of the upper or the lower flat portion to 90% or less of that of the metal plate to be formed to obtain trapezoidal irregularities by forming flat portions which contact upper and lower cells and slope portions which interconnect the upper and the lower flat portions. | 03-26-2009 |
20090081522 | Metal composite for fuel cell and fuel cell bipolar plate using same, and fabrication method for same - A metal composite for fuel cells according to the present invention, which includes: a core of a metal; cladded layers of a corrosion resistant metal covering both surfaces of the core; and a through-hole formed through the core and cladded layers. The through-hole has, on a hole wall of the core region of the through-hole, a concave portion which is recessed relative to hole walls of the cladded layer regions of the through-hole. | 03-26-2009 |
20090092878 | CURRENT-COLLECTING COMPOSITE PLATE FOR FUEL CELL AND FUEL CELL FABRICATED USING SAME - A current-collecting composite plate for a fuel cell configured with unit cells according to the present invention, which comprises: an insulator layer; and a plurality of pairs of conductor layers, the conductor layers being bonded to the insulator layer to be spaced apart from each other by a predetermined distance, each pair being used for adjacently disposed anode and cathode electrodes for a different one of the unit cells by sandwiching an electrolyte assembly therebetween. And, each conductor layer includes: a first conductor layer of a corrosion resistant metal treated with an electrically conductive surface treatment; a second conductor layer of a metal with low electrical resistivity; a through-hole penetrating the first conductor layer and the insulator layer; and a connecting portion formed of the second conductor layer for connecting the unit cells. | 04-09-2009 |
20090297918 | Board material for fuel cell metallic separator, method of making same, and fuel cell metallic separator - A board material for a fuel cell metallic separator includes a metallic substrate, an intermediate layer formed on a surface of the metallic substrate, and including titanium (Ti), and a Au layer formed on a surface of the intermediate layer, including pure gold (Au), and having an average thickness of not less than 1 nm and not more than 9 nm. A fuel cell metallic separator includes the board material that includes a concavo-convex shape. | 12-03-2009 |
20090312187 | Method for fabricating a superconducting wire - A metallic thin film is wound around a core material made of a first metallic material in a predetermined number of windings to provide a first wire rod having a diameter which is applicable for roll forming in a longitudinal direction of the core material. The metallic thin film is formed by rolling a second metallic material and carrying out an annealing heat treatment on the rolled second metallic material. The first wire rod is cut to provide second wire rods, and the second wire rods are filled into a billet for multi-wires to provide a multi billet. The multi billet is extruded and drawn. Thereafter, a heat treatment is carried out on the drawn material to provide a superconducting wire. | 12-17-2009 |
20100096117 | RADIATOR PLATE, PERFORATED PLATE AND METHODS OF MAKING THE SAME - A radiator plate includes a core having core surfaces and holes whose hole axes are directed in a direction along a normal direction of the core surface, and heat transfer plates joined to the core surfaces and filled in the holes. A multilayer radiator plate includes a first radiator plate including a first core having first core surfaces and first holes whose hole axes are directed in a direction along a normal direction of the first core surface and first heat transfer plates joined to the first core surfaces and filled in the first holes, a second radiator plate including a second core having second core surfaces and second holes whose hole axes are directed in a direction along a normal direction of the second core surface and second heat transfer plates joined to the second core surfaces and filled in the second holes, and the first radiator plate and the second radiator plate are joined to each other. | 04-22-2010 |
20120108437 | Precursor for Nb3Sn superconductor wire, superconductor wire using the same and method for manufacturing Nb3Sn superconductor wire - A precursor for a Nb | 05-03-2012 |
20120149579 | Precursor for a Nb3Sn superconductor wire, method for manufacturing the same, Nb3Sn superconductor wire, and superconducting magnet system - A precursor for a Nb | 06-14-2012 |
20140221215 | PRECURSOR FOR A NB3SN SUPERCONDUCTOR WIRE, METHOD FOR MANUFACTURING THE SAME, NB3SN SUPERCONDUCTOR WIRE, AND SUPERCONDUCTING MAGNET SYSTEM - A precursor for a Nb | 08-07-2014 |
Patent application number | Description | Published |
20120090341 | WATER HEATER AND CONTROL METHOD THEREFOR - A water heater includes one or a plurality of heat pumps that heat tap water or return water from a hot water supply part, a circulation line that supplies hot water heated in the heat pumps to the hot water supply part, and introduces the return water from the hot water supply part to the heat pumps, an incoming water pipe that joins to between the hot water supply part in the circulation line and the heat pumps and supplies the tap water, a circulation pump that returns the return water to the heat pumps and circulates the return water through the circulation line, and a control unit that controls operation or stop of the circulation pump according to driving operation time or elapsed stop time by linking a combustion process of the heat pumps. | 04-19-2012 |
20120138149 | HOT WATER SUPPLY SYSTEM, WATER HEATER AND HOT WATER SUPPLY CONTROL METHOD - A hot water supply system including a water heater that includes a storage unit storing at least device information of another water heater, and performs hot water supply control by which the water heater cooperates with the other water heater, these water heaters being able to supply hot water according to a hot water supply request; one or a plurality of the other water heater that is connected to the water heater in parallel, and supplies hot water according to the hot water supply control by the water heater; communication connection means that communicably connects the water heater and the other water heater; water supply means that supplies water to the water heater and the other water heater; and hot water supply means that supplies hot water heated by the water heater and the other water heater to a hot water supply destination. | 06-07-2012 |
20140379147 | HOT WATER SUPPLY SYSTEM, WATER HEATER AND HOT WATER SUPPLY CONTROL METHOD - A hot water supply system includes a plurality of water heaters, one of which is designated as a master, and the rest(s) of which is/are designated as (a) slave(s). A control unit that is provided for each of the water heaters operates a water heater, for which the control unit is provided, as the master or the slave, the master controls the slave(s), and the master and the slave(s) control hot water supply. | 12-25-2014 |