Abstract: A current interruption device includes a first conductive member, a second conductive member, a first deformable member, and a second deformable member. The first conductive member is fixed to a casing. The second conductive member is disposed at a position opposed to the first conductive member. The first deformable member is in contact with the second conductive member when pressure in the casing is equal to or less than a predetermined value. Further, the first deformable member is brought out of contact with the second conductive member when the pressure in the casing exceeds the predetermined value. A plastic deformation portion deformed in a manner of projecting toward the second conductive member is provided on a center portion of the second deformable member.

Abstract: A current interruption device includes: a first conducting plate 90 configured to be electrically connected to a terminal; and a second conducting plate 88 disposed to face the first conducting plate and configured to be electrically connected to the electrode assembly. A center portion of the first conducting plate 90 and a center portion of the second conducting plate 88 are joined by a first welding portion. The second conducting plate 88 is configured to be fractured so as to interrupt the current flowing between the terminal and the electrode assembly when the internal pressure of the casing exceeds the preset pressure. The first welding portion has a fuse function of interrupting the current flowing between the terminal and the electrode assembly by fusion of the first welding portion when the current flowing between the terminal and the electrode assembly exceeds a preset current.

Abstract: A two-stroke uniflow engine is provided with: a cylinder; a piston; an exhaust valve that is opened and closed in order to discharge exhaust gas that is generated inside the cylinder; a scavenging port that takes active gas into the interior of the cylinder in accordance with a sliding movement of the piston; a fuel injection port that is provided in the internal circumferential surface of the cylinder; a fuel injection valve that injects fuel gas into the fuel injection port; and a fuel injection control unit that executes control of the injection of the fuel gas in the fuel injection valve, wherein the fuel injection control unit decides at least one of an injection pressure and an injection time of the fuel injection valve based on a change in pressure inside the cylinder that is caused by a reciprocating movement of the piston.

Abstract: In an electromagnetic clutch, a rotor includes a cover portion that covers a radially outer end of an armature from a radially outer side. The cover portion, the radially outer end of the armature, and a wall of the rotor define a discharge passage that is formed into a ring shape centered on a rotating shaft and is open on a first end side in an axis line direction for discharging abrasion powder generated by friction between walls. The cover portion includes a tapered surface that is shaped such that an area in a cross sectional plane of the discharge passage which is orthogonal to an axis of the rotating shaft becomes larger toward the first end side in the axis line direction.

Abstract: A current interruption device disclosed in the present specification includes: a first conductive member and a second conductive member that are facing each other; an insulating seal member disposed therebetween; and an insulating cover accommodating the first conductive member, the second conductive member, and the seal member. The seal member separates a space between the first and second conductive members into an inner space and an outer space which communicates with the space within the casing. In a plan view, the seal member is positioned in an entire area outside of contact portions of the seal member with the first and second conductive members within a range where the first and second conductive members are facing each other. The cover is disposed along outer circumferential edges of the first and second conductive members, and the seal member is in contact with the cover.

Abstract: A current interruption device is provided with a first conducting member that is fixed to a casing, a second conducting member that is disposed at a position opposed to the first conducting member, a first deforming member, and a second deforming member. The first deforming member makes contact with the second conducting member when pressure in the casing is equal to or less than a predetermined value, and is configured not to make contact with the second conducting member when the pressure in the casing exceeds the predetermined value. The second deforming member is provided with a projection in a shape projecting toward a center portion of the second conducting member. A restricting structure that restricts a movement of the first deforming member is provided on the first conducting member. A restricting structure that restricts a movement of the second deforming member is provided on the second conducting member.

Abstract: An electric storage device disclosed in the present application includes a casing, a first electrode terminal and a second electrode terminal that are provided on a terminal attachment wall of the casing, and an electrode assembly, a first conductive member, a second conductive member, and a current interruption device that are disposed within the casing. The first conductive member and the second conductive member connected respectively to a positive electrode or a negative electrode of the electrode assembly. The current interruption device is arranged between the terminal attachment wall and the electrode assembly, connected in series between the first electrode terminal and the first conductive member, and configured to connect or interrupt a conductive path from the electrode assembly to the first electrode terminal. A first spacer is further provided between the current interruption device and the electrode assembly, the first spacer being in contact with the electrode assembly.

Abstract: A current interruption device is provided with a first conducting member that is fixed to a casing, a second conducting member that is disposed at a position opposed to the first conducting member, a first deforming member, and a second deforming member. The first deforming member makes contact with the second conducting member when pressure in the casing is equal to or less than a predetermined value, and is configured not to make contact with the second conducting member when the pressure in the casing exceeds the predetermined value. The second deforming member is provided with a projection in a shape projecting toward a center portion of the second conducting member. A restricting structure that restricts a movement of the first deforming member is provided on the first conducting member. A restricting structure that restricts a movement of the second deforming member is provided on the second conducting member.

Abstract: A lithium ion secondary battery comprising a case; an electrolyte solution encased in the case; an electrode assembly encased in the case and having a positive electrode and a negative electrode; and a current interrupt device encased in the case for interrupting a current to be supplied to the positive electrode or the negative electrode depending on a pressure in the case. The electrolyte solution contains an additive, a decomposition electric potential of the additive is between an electric potential of the positive electrode in a full charge state and a decomposition electric potential of a solvent in the electrolyte solution. The negative electrode has a capacity capable of intercalating 100% or more of lithium ions deintercalated from the positive electrode when the electric potential at the positive electrode is increased from a full charge state to the decomposition electric potential of the additive to overcharge the battery.

Abstract: A power storage device includes positive electrodes, negative electrodes separators each of which is located between a positive electrode and a negative electrode and insulates the positive electrode and the negative electrode from each other, and an electrode assembly, which is configured by stacking the positive electrodes, the negative electrodes, and the separators. The power storage device further includes an insulating member including sandwiching portions. Each sandwiching portion is formed by two insulating portions that sandwich a positive electrode non-application portion from both sides in the stacking direction of the electrode assembly. When viewed in the stacking direction of the electrode assembly, each insulating portion is arranged at least between a positive electrode border and a negative electrode border.

Abstract: A current interruption device includes a deforming plate, a contact plate and a conducting plate which configure a current path. The deforming plate includes one surface on an opposite side from the contact plate facing a first space, a pressure of which is retained to a same pressure as the internal pressure of the casing and the other surface opposed to the contact plate facing a second space, a pressure of which is retained to a same pressure as an external pressure of the casing. When the internal pressure rises above the predetermined level, the second contact portion is separated from the conducting plate by deformation of the deforming plate toward the contacting plate.

Abstract: A perpendicular magnetic recording medium is disclosed. The perpendicular magnetic recording medium includes a first layer, and a second layer positioned immediately below the first layer. Among the materials in the first layer and the second layer, if the interface energy when two different materials—material a and material b—are in contact is defined as Ei(a//b), the surface energy when material a exists independently is defined as Es(a), and the energy resulting by subtracting the sum of the respective surface energies (?Es) from the interface energy is defined as G(a//b), then when G(1//3)<G(1//4) holds, either G(2//4) or G(1//3) is the minimum among G(1//3), G(1//4), G(2//3) and G(2//4), and when G(1//3)<G(1//4) does not hold, G(2//4) is the minimum among G(1//3), G(1//4), G(2//3) and G(2//4).

Abstract: A nanocomposite resin composition having improved heat resistance, higher glass transition temperature, and excellent mechanical characteristics and thermal conductivity and cured nanocomposite resin material are disclosed. The resin composition comprises a thermosetting resin and/or a thermoplastic resin, a silane coupling agent, and an inorganic filler. The inorganic filler includes an inorganic filler with a particle diameter or long diameter of 1 nm to 99 nm and an inorganic filler with a particle diameter or long diameter of 100 nm to 100 ?m. At least one of these inorganic fillers is formed of SiO2-coated inorganic particles in which a coat of SiO2 is formed on the surface of inorganic particles of AlN, a metal oxide selected from the group consisting of Al2O3, MgO and TiO2, or a mixture of these.

Abstract: A uniflow scavenging 2-cycle engine includes a cylinder; a piston sliding in the cylinder; scavenging ports formed in an inner circumferential surface of one end of the cylinder in a piston stroke direction and suctioning an active gas into the combustion chamber according to the piston sliding motion; fuel injection valves inject a fuel gas into the active gas suctioned into the combustion chamber; and an exhaust port formed in the other end of the cylinder. An exhaust valve driving mechanism opens and closes exhaust valves such that a time required to displace an exhaust valve from a fully opened position to a fully closed position is longer than that required to displace the exhaust valve from the fully closed position to the fully opened position. With this constitution, an injection start timing of the fuel gas can be advanced while blow-by of the fuel gas is suppressed.

Abstract: A semiconductor device (1) includes: a semiconductor chip (2) having a first main surface and a second main surface opposite to the first main surface; a heat dissipating plate (3) opposed to the first main surface; a first electrode (5) disposed between the first main surface and the heat dissipating plate (3) so as to be electrically connected to the semiconductor chip (2); a pressure contact member (4) opposed to the second main surface; a second electrode (6) disposed between the second main surface and the pressure contact member (4) so as to be electrically connected to the semiconductor chip (2); and a pressure generating mechanism that generates a pressure for pressing the first electrode (5) into contact with the heat dissipating plate (3) and the semiconductor chip (2) and pressing the second electrode (6) into contact with the pressure contact member (4) and the semiconductor chip (2).

Abstract: A uniflow-scavenging-type two-cycle engine includes: a cylinder; a piston that slides in the cylinder; an exhaust port that is provided at a first end of the cylinder; an exhaust valve that opens and closes the exhaust port; a scavenging port that is provided in an inner circumferential surface of a second end of the cylinder in the stroke direction of the piston and inhales an active gas into a combustion chamber in accordance with a sliding movement of the piston; a plurality of fuel injection valves that inject a fuel gas to the active gas, which has been drawn in from the scavenging port to the combustion chamber, to thereby generate a premixed gas; and a fuel injection control unit that varies injection directions of fuel gas injected from a part or all of the fuel injection valves.

Abstract: A uniflow-scavenging-type two-cycle engine according to the present invention includes: a cylinder in which a combustion chamber is formed; a piston that slides in the cylinder; a scavenging port that is provided at one end of the cylinder in a stroke direction of the piston and draws in an active gas into the combustion chamber in accordance with a sliding movement of the piston; a fuel injection section that is provided in the scavenging port on an outer side of the cylinder than a center of a width of the scavenging port in a penetration direction and injects a fuel gas to the active gas drawn in into the scavenging port.

Abstract: A uniflow-scavenging-type two-cycle engine of the present invention includes: a cylinder; a piston that slides in the cylinder; an exhaust port that is provided at a first end of the cylinder; an exhaust valve that opens and closes the exhaust port; a scavenging port that is provided in an inner circumferential surface of a second end of the cylinder in the stroke direction of the piston and draws in an active gas into the combustion chamber in accordance with a sliding movement of the piston; and a plurality of fuel injection valves that inject a fuel gas to the active gas, which has been drawn in from the scavenging port to the combustion chamber, to thereby generate a premixed gas.

Abstract: A power storage device includes positive electrodes, negative electrodes separators each of which is located between a positive electrode and a negative electrode and insulates the positive electrode and the negative electrode from each other, and an electrode assembly, which is configured by stacking the positive electrodes, the negative electrodes, and the separators. The power storage device further includes an insulating member including sandwiching portions. Each sandwiching portion is formed by two insulating portions that sandwich a positive electrode non-application portion from both sides in the stacking direction of the electrode assembly. When viewed in the stacking direction of the electrode assembly, each insulating portion is arranged at least between a positive electrode border and a negative electrode border.

Abstract: A pressed-contact type semiconductor device includes a power semiconductor element, on an upper surface of which at least a first electrode is formed and on a lower surface of which at least a second electrode is formed, lead frames which face the first electrode and the second electrode of the power semiconductor element respectively, and a clip which applies a pressure to the lead frames while the power semiconductor element is sandwiched by the lead frames, wherein a metallic porous plating part is formed on a surface which faces the first electrode or the second electrode, the surface being a surface of at least one of the lead frames.