Abstract: A protection structure for an on-board battery. The on-board battery includes a battery stack and is configured to be mounted on a vehicle. The protection structure includes a first frame, a second frame, and a fixing member. The first frame is to be coupled to an upper portion of a battery case that contains the battery stack, so as to fix the battery case to a vehicle body of the vehicle. The second frame is to be disposed above the battery case and to be coupled to the first frame. The fixing member is to be fixed to the second frame so as to suspend and support the battery stack. The second frame is to be disposed in a direction crossing a longer direction of the battery stack and at least at an approximate center in the longer direction of the battery stack.

Abstract: A power storage device to be mounted below a floor of a vehicle includes a battery tray, a battery frame, and a cooling plate. The battery tray accommodates a secondary battery cell. The battery frame surrounds the battery tray. The cooling plate includes a plate portion provided above the battery tray and the battery frame and having a refrigerant flow path through which a refrigerant flows, and a main pipe disposed on an outer side of the battery frame so as to overlap the battery frame in a top-bottom direction and continuous with the plate portion such that the refrigerant flow path and an internal space of the main pipe communicate with each other.

Abstract: A freight vehicle has a loading space, on which freight is loaded, rearward of a vehicle cabin in which an occupant rides. The freight vehicle includes a fuel cell mounted below the vehicle cabin and functioning as an electric power source, a storage portion disposed between the vehicle cabin and the loading space, and a tank disposed in the storage portion and stores fuel gas that is supplied to the fuel cell, and a radiator installed in the storage portion and performs heat exchange between air and a coolant that is supplied to the fuel cell.

Abstract: A vehicle battery protection structure includes a vehicle frame member, a first duct, and a second duct. The vehicle frame member is disposed in a region including a battery. The vehicle frame member has a through hole. The battery is mountable on a vehicle. The first duct is disposed on an outside of the battery at a location oriented toward an outside of the vehicle. The second duct is inserted through the through hole of the vehicle frame member. The second duct is disposed to overlap the first duct in a vertical direction of the first duct on the outside of the battery at the location oriented toward the outside of the vehicle.

Abstract: A battery stack structure includes a battery stack, a passage, a junction box, and a bus bar. The battery stack includes spaced battery cells. The passage is adjacent to a first side of the battery stack. The passage allows air to flow in the passage before the air cools the battery stack. The junction box is adjacent to a second side of the battery stack. The junction box allows the air to flow in the junction box after the air has cooled the battery stack. The junction box contains an electronic device. The bus bar is contained in the junction box and is electrically and thermally coupled to the electronic device. The bus bar allows passing of current. The direction of the flow of the air flowing from the battery stack faces a major surface of the bus bar.

Abstract: A vehicle battery temperature control apparatus includes a battery temperature detector, first and second ducts, an exhaust pipe, a heat receiver, a blower fan, and a processor. The processor causes the blower fan to rotate in one of opposite directions, thereby introducing cooling air from the first duct into a battery compartment, and emitting the cooling air that has cooled a battery to the outside via the second duct, if the battery temperature is higher than a first set temperature, and causes the blower fan to rotate in the other direction, thereby introducing air raised in temperature by exchanging heat with the exhaust pipe through the heat receiver from the second duct into the battery compartment, and emitting the air that has raised the temperature of the battery to the outside via the first duct, if the battery temperature is lower than a second set temperature.

Abstract: A battery support structure includes upper and lower battery modules, a support, and a battery pack case. The upper battery module includes an upper battery module body, and an upper battery module fixing member. The upper battery module fixing member extends downward from the upper battery module body and is coupled to the support. The lower battery module includes a lower battery module body, and a lower battery module fixing member. The lower battery module fixing member extends upward from the lower battery module body and is coupled to the support. The upper battery module is fixed to an upper surface of the support. The lower battery module is fixed to a lower surface of the support. The battery pack case covers the upper and lower battery modules. The battery pack case is fixed to the support on outside of the upper and lower battery modules.

Abstract: A battery module includes a battery stack, a bottom plate, end plates, and side plates. The battery stack includes battery cells that are arranged in a first direction. The bottom plate covers a bottom surface of the battery stack. The end plates respectively cover first ends of the battery stack. The first ends are disposed in the first direction. The side plates respectively cover second ends of the battery stack. The second ends are disposed in a second direction orthogonal to the first direction. Each of the side plates includes a first coupling protrusion protruding upward of the battery stack. The bottom plate includes a second coupling protrusion protruding downward of the battery stack.

Abstract: A polypropylene composition made from or containing a first polymer consisting of component (1) made from or containing a propylene homopolymer having an MFR of 80 to 300 and containing 97.5% by weight or more of xylene insolubles (XI), wherein XI of the propylene homopolymer has a Mw/Mn of 4 to 10; and component (2) made from or containing an ethylene/propylene copolymer containing 35 to 50% by weight of an ethylene-derived unit; wherein the polypropylene composition has the following characteristics: 1) the relative proportions of component (2)/[component (1) and component (2)] is more than 30% by weight and not more than 50% by weight, 2) the intrinsic viscosity of xylene solubles (XSIV) of the first polymer is in the range of 1.5 to 4.0 dl/g, and 3) the MFR of the first polymer is in the range of 20 to 100 g/10 min.

Abstract: A polypropylene composition made from or containing a polymer made from or containing: (i) component (1) made from or containing a propylene homopolymer having MFR of 100 to 300 (at a temperature of 230° C. under a load of 2.16 k(g) and containing more than 97.5% by weight of xylene insolubles (XI), wherein XI has a Mw/Mn of 4 to 10; (ii) component (2) made from or containing an ethylene/propylene copolymer containing 15 to 50% by weight of an ethylene-derived unit; wherein 1) relative proportions of component (1) and component (2) are, respectively, not less than 50 parts by weight but less than 70 pbw and more than 30 pbw but not more than 50 pbw, 2) intrinsic viscosity of xylene solubles (XSIV) of the polymer is in the range of 1.5 to 4.0 dl/g, 3) MFR of the polymer is in the range of 20 to 100 g/10 min.

Abstract: An in-vehicle battery attachment structure is to be disposed under a rear seat of the vehicle. The in-vehicle battery attachment structure includes at least one left battery module and at least one right battery module, a housing case, and a battery frame. The at least one left battery module and the at least one right battery module are to be disposed apart from each other in a left-right direction of the vehicle. The housing case houses the at least one left battery module and the at least one right battery module. The at least one left battery module, the at least one right battery module, and the housing case are attached to the battery frame in a suspended state. The battery frame is to be fixed to a vehicle body of the vehicle. The rear seat is attached to the battery frame.

Abstract: A protection structure for an on-board battery. The on-board battery includes a battery stack and is configured to be mounted on a vehicle. The protection structure includes a first frame, a second frame, and a fixing member. The first frame is to be coupled to an upper portion of a battery case that contains the battery stack, so as to fix the battery case to a vehicle body of the vehicle. The second frame is to be disposed above the battery case and to be coupled to the first frame. The fixing member is to be fixed to the second frame so as to suspend and support the battery stack. The second frame is to be disposed in a direction crossing a longer direction of the battery stack and at least at an approximate center in the longer direction of the battery stack.

Abstract: A polypropylene-based resin composition contains: a component (A1) being a propylene homopolymer or a copolymer of propylene and a 30 wt % or less ?-olefin having 2 or 4 to 8 carbon atoms, having a intrinsic viscosity of more than 20 dl/g, as measured in a tetralin solvent at 135° C.; and a component (A2) being a polymer selected from the group consisting of (A2-1) a propylene homopolymer, (A2-2) a random copolymer of propylene and an ?-olefin having 2 or 4 to 8 carbon atoms, (A2-3) a block copolymer of propylene and an ?-olefin having 2 or 4 to 8 carbon atoms, and a combination of the (A2-1), (A2-2), and (A2-3). The resin composition has a content of the component (A1) of 0.1 to 10 wt % and a content of the component (A2) of 99.9 to 90 wt % based on the total amount of the component (A1) and the component (A2). The component (A2) has a melt flow rate (MFR) (230° C., load: 2.16 kg) of 1 to 500 g/10 min.

Abstract: A vehicle battery temperature control apparatus includes a battery temperature detector, first and second ducts, an exhaust pipe, a heat receiver, a blower fan, and a processor. The processor causes the blower fan to rotate in one of opposite directions, thereby introducing cooling air from the first duct into a battery compartment, and emitting the cooling air that has cooled a battery to the outside via the second duct, if the battery temperature is higher than a first set temperature, and causes the blower fan to rotate in the other direction, thereby introducing air raised in temperature by exchanging heat with the exhaust pipe through the heat receiver from the second duct into the battery compartment, and emitting the air that has raised the temperature of the battery to the outside via the first duct, if the battery temperature is lower than a second set temperature.

Abstract: To provide a construction machine capable of reducing the time and labor of an operator and reliably preventing deterioration of cooling efficiency of a heat exchanger unit. A construction machine includes a heat exchanger unit having a plurality of heat exchangers, a cooling fan configured to supply cooling air to the heat exchanger unit during a forward rotation thereof, a controller configured to control an operation of the cooling fan, a timer configured to count an operation time period of forward rotation of the cooling fan, and a reverse rotation signal output switch configured to output to the controller a reverse rotation signal for causing the cooling fan to rotate in the reverse direction in response to an applied manual operation.

Abstract: A spark plug according to one embodiment of the present invention includes an insulator formed of an alumina-based sintered body, wherein the insulator contains 90 wt % or more of an aluminum component in terms of oxide, and wherein crystal grains of the insulator has an average grain size of 1.5 mm or smaller and a grain size standard deviation of 1.2 ?m or smaller.

Abstract: A battery stack structure includes a battery stack, a passage, a junction box, and a bus bar. The battery stack includes spaced battery cells. The passage is adjacent to a first side of the battery stack. The passage allows air to flow in the passage before the air cools the battery stack. The junction box is adjacent to a second side of the battery stack. The junction box allows the air to flow in the junction box after the air has cooled the battery stack. The junction box contains an electronic device. The bus bar is contained in the junction box and is electrically and thermally coupled to the electronic device. The bus bar allows passing of current. The direction of the flow of the air flowing from the battery stack faces a major surface of the bus bar.

Abstract: A polypropylene composition made from or containing a polymer made from or containing: (i) component (1) made from or containing a propylene homopolymer having MFR of 100 to 300 (at a temperature of 230° C. under a load of 2.16 kg) and containing more than 97.5% by weight of xylene insolubles (XI), wherein XI has a Mw/Mn of 4 to 10; (ii) component (2) made from or containing an ethylene/propylene copolymer containing 15 to 50% by weight of an ethylene-derived unit; wherein 1) relative proportions of component (1) and component (2) are, respectively, not less than 50 parts by weight but less than 70 pbw and more than 30 pbw but not more than 50 pbw, 2) intrinsic viscosity of xylene solubles (XSIV) of the polymer is in the range of 1.5 to 4.0 dl/g, 3) MFR of the polymer is in the range of 20 to 100 g/10 min.

Abstract: A battery-pack storage structure includes: a battery-case upper part configured to store a battery stack; a battery-case lower part; and a cooling air path through which cooling air for cooling the battery stack flows. The battery-case upper part is disposed on the battery-case lower part, and a bottom-part cooling air path, through which the cooling air flows, is formed between a bottom surface of the battery-case upper part and a bottom surface of the battery-case lower part.

Abstract: A vehicle battery protection structure includes a vehicle frame member, a first duct, and a second duct. The vehicle frame member is disposed in a region including a battery. The vehicle frame member has a through hole. The battery is mountable on a vehicle. The first duct is disposed on an outside of the battery at a location oriented toward an outside of the vehicle. The second duct is inserted through the through hole of the vehicle frame member. The second duct is disposed to overlap the first duct in a vertical direction of the first duct on the outside of the battery at the location oriented toward the outside of the vehicle.