Abstract: A guide wire includes an elongated wire body exhibiting flexibility, a distal side coating layer that covers a distal portion of the wire body and is made of a resin material, and a tubular member through which the wire body passes and possessing a distal portion positioned in the vicinity of a proximal portion of the distal side coating layer. A plurality of melted portions which are concavely deformed toward the wire body side by melting are formed in the tubular member. The tubular member is fixed to the wire body by bringing the melted portions into press-contact with the wire body The plurality of melted portions is irregularly formed along an axis direction of the tubular member.

Abstract: A fuel cell system acquires an operation state of a fuel cell and estimates an IV characteristic that indicates a relationship between a current and a voltage in the fuel cell. At least one of a resistance overvoltage, an activation overvoltage, a current-voltage hysteresis and a concentration overvoltage of the fuel cell is determined from the operation state of the fuel cell, and the IV characteristic is estimated based on the determined result.

Abstract: A guide wire is disclosed, which includes a wire main body that has flexibility; a distal end member that is fixed to a distal end portion of the wire main body; and a tubular member that is arranged closer to a proximal end side than the distal end member, and on an outer circumference of the wire main body. The tubular member can be configured such that the longitudinal entirety of the tubular member is not fixed to the wire main body. The tubular member can be provided such that a distal end portion of the tubular member is not fixed to the distal end member. A proximal-end side thickness reduction portion with a wall thickness decreasing toward the proximal end side is provided in a proximal end portion of the tubular member.

Abstract: A fuel cell system according to the present invention comprises: a fuel cell and a secondary battery, each acting as a power supply source; a first converter a second converter provided between the fuel cell and the secondary battery and first and second loads; a first inverter provided between the first and second converters and the first load and a second inverter provided between the first and second converters and the second load; a first controller that controls an output of the fuel cell by controlling the first converter; and a second controller configured separately from the first controller, the second controller controlling the second converter, the first inverter and the second inverter to thereby control outputs supplied to the first inverter and the second inverter, including an output from the secondary battery. The first and second controllers are connected so as to be able to communication with each other regarding failure information on respective control targets.

Abstract: A fuel cell system comprising a fuel cell and a secondary cell as power supply sources to a load, in which, during normal operation, a first control part allows a first converter (boost converter at the fuel cell side) to control an output voltage of the fuel cell and a second control part allows a second converter (boost converter at the secondary cell side) to control an output voltage to a first load side, whereas during an occurrence of an abnormality of the secondary cell, the first control part allows the first converter to control an output voltage thereof and the second control part allows the second converter to control an output voltage to a second load side.

Abstract: A guide wire includes an elongated wire body having flexibility; a distal member that covers a distal portion of the wire body and is configured to have a resin material; and a hydrophilic lubricant layer that is formed so as to cover a proximal end of the distal member and is configured to have a hydrophilic material. In addition, the hydrophilic lubricant layer has a tapered shape whose outer diameter gradually decreases toward a proximal side. In addition, the maximum outer diameter of the hydrophilic lubricant layer is smaller than the maximum outer diameter of the distal member. In addition, a proximal portion of the distal member has a tapered shape whose outer diameter gradually decreases toward the proximal side, and a distal end of the hydrophilic lubricant layer is positioned at the tapered portion of the distal member.

Abstract: A guide wire includes an elongated wire body exhibiting flexibility, a distal side coating layer that covers a distal portion of the wire body and is made of a resin material, and a tubular member through which the wire body passes and possessing a distal portion positioned in the vicinity of a proximal portion of the distal side coating layer. A plurality of melted portions which are concavely deformed toward the wire body side by melting are formed in the tubular member.

Abstract: A guide wire has a wire body; and a distal side coating layer that covers a distal portion of the wire body. The guide wire has a cylindrical member that has an outer diameter substantially the same as an outer diameter of a proximal portion of the distal side coating layer, that encircles a portion of the wire body and that has a distal portion positioned proximate the proximal portion of the distal side coating layer; and a joint member that is disposed at a proximal side of the cylindrical member and joins the cylindrical member and the wire body. The joint member has a gradually decreasing outer diameter portion whose outer diameter gradually decreases toward a proximal side of the wire body, and an outer peripheral surface of the cylindrical member has a surface continuous with the gradually decreasing outer diameter portion.

Abstract: A guide wire includes: a flexible elongate wire body; and a coating layer that covers a distal portion of the wire body and is formed of a resin material. The wire body of the guide wire is provided with a projection that protrudes along the entire circumference of an outer circumferential portion of the wire body. A distal portion of the projection is in contact with a proximal portion of the coating layer, and the maximum outside diameter of the projection is larger than the outside diameter of the coating layer that is in contact with the projection. In addition, a proximal portion of the projection has an outside diameter tapering portion where the outside diameter is gradually reduced toward a proximal end.

Abstract: A guide wire for medical treatment includes a straight-line shaped proximal section and a distal section which is continuous with the distal side of the proximal section and whose most distal portion faces toward the proximal direction. The distal section includes a curved portion continuous with the proximal section and a distal portion continuous with the distal side of the curved portion, the proximal section and at least a portion on the proximal side of the curved portion continuous with the proximal section are positioned on an identical plane, and the distal portion is extended toward a direction backing away from the plane and includes the most distal portion in a section of a direction to which the curved portion is curved with respect to an plane n an axis core of the proximal section orthogonal to the plane.

Abstract: A safety valve device has a safety valve body and is configured to open at a temperature of or over a preset reference temperature. The safety valve device also includes a gas flow path arranged to make a flow of hydrogen flowing out of a hydrogen tank via the safety valve body in a valve open position, and a discharge pipe configured to have a hydrogen discharge opening and arranged to discharge the hydrogen flowing through the gas flow path to the outside. The hydrogen discharge opening of the discharge pipe is formed to discharge the hydrogen in an oblique direction relative to a direction of an axial center of the gas flow path. The discharge pipe also has a groove formed to apply an input rotational force to the discharge pipe and thereby rotate the discharge pipe around the axial center of the gas flow path.

Abstract: A guide wire includes a core wire which forms a line shape formed from a flexible metal material. A distal portion of the core wire is arranged in an axial line direction of the core wire and includes a plurality of deformable portions, which are easily-deformable in a specific direction on a plane (x-y plane) with the axial line of the core wire being a normal line, and easily-deformable directions of the adjacent easily-deformable portions among the respective easily-deformable portions are different from each other.

Abstract: A guide wire includes: a flexible elongate wire body; and a coating layer that covers a distal portion of the wire body and is formed of a resin material. The wire body of the guide wire is provided with a projection that protrudes along the entire circumference of an outer circumferential portion of the wire body. A distal portion of the projection is in contact with a proximal portion of the coating layer, and the maximum outside diameter of the projection is larger than the outside diameter of the coating layer that is in contact with the projection. In addition, a proximal portion of the projection has an outside diameter tapering portion where the outside diameter is gradually reduced toward a proximal end.

Abstract: A fuel cell system acquires an operation state of a fuel cell and estimates an IV characteristic that indicates a relationship between a current and a voltage in the fuel cell. At least one of a resistance overvoltage, an activation overvoltage, a current-voltage hysteresis and a concentration overvoltage of the fuel cell is determined from the operation state of the fuel cell, and the IV characteristic is estimated based on the determined result.

Abstract: A guide wire for medical treatment includes a straight-line shaped proximal section and a distal section which is continuous with the distal side of the proximal section and whose most distal portion faces toward the proximal direction. The distal section includes a curved portion continuous with the proximal section and a distal portion continuous with the distal side of the curved portion, the proximal section and at least a portion on the proximal side of the curved portion continuous with the proximal section are positioned on an identical plane, and the distal portion is extended toward a direction backing away from the plane and includes the most distal portion in a section of a direction to which the curved portion is curved with respect to an plane n an axis core of the proximal section orthogonal to the plane.

Abstract: A medical guide wire includes a core wire having a distal portion, and a cover portion formed of a resin for covering at least the distal portion of the core wire, and is provided with a distal shape portion having a curved portion, wherein the distal portion of the core wire includes a tapered portion continuously varied in outside diameter, and a distal flexible portion provided on the distal side of the tapered portion, and the wire diameter variation rate at the tapered portion is 40 to 55%.

Abstract: A safety valve device has a safety valve body configured to include a valve mechanism opened at a temperature of or over a preset reference temperature. The safety valve device also includes a gas flow path arranged to make a flow of hydrogen flowing out of a hydrogen tank via the safety valve body in a valve open position of the valve mechanism, and a discharge pipe configured to have a hydrogen discharge opening and arranged to discharge the hydrogen flowing through the gas flow path to the outside. The hydrogen discharge opening of the discharge pipe is formed to discharge the hydrogen in an oblique direction relative to a direction of an axial center of the gas flow path. The discharge pipe also has a groove formed to apply an input rotational force to the discharge pipe and thereby rotate the discharge pipe around the axial center of the gas flow path.

Abstract: A guide wire has a wire body which includes a first wire, and a second wire disposed on the proximal side of the first wire and joined to the first wire. A radiopaque coil is preferably disposed around a distal end portion of the first wire. Preferably, a proximal end portion of the first wire is substantially constant in outside diameter along the longitudinal direction, while a distal end portion of the second wire may be composed of a tapered portion of which the outside diameter is gradually increased in the proximal direction from the distal end thereof. Both the wires may be joined their end faces. The outer periphery of the joined portion is preferably provided thereon with a coating layer.

Abstract: A medical guide wire includes a core wire having a distal portion, and a cover portion formed of a resin for covering at least the distal portion of the core wire, and is provided with a distal shape portion having a curved portion, wherein the distal portion of the core wire includes a tapered portion continuously varied in outside diameter, and a distal flexible portion provided on the distal side of the tapered portion, and the wire diameter variation rate at the tapered portion is 40 to 55%.

Abstract: The technique of the invention prepares a thin electrolyte layer without causing cracks. An electrolyte membrane 30 includes a dense inorganic electrolyte layer 36 formed on a dense base member 31. Each unit fuel cell includes the electrolyte membrane 30, a fuel electrode, and an oxygen electrode. Multiple unit fuel cells are laminated in series to complete a fuel cell stack.