Abstract: A power tool includes a motor, a spindle, an inner housing, an outer housing formed by an upper member and a lower member, a pair of interposing members and a pair of elastic members. The interposing members are arranged leftward and rightward of the inner housing, respectively, and fixedly connected to a first member, which is one of the upper member and the lower member, and at least partially in contact with an inner surface of the first member. The elastic members are held between a left portion of the inner housing and one of the interposing members and between a right portion of the inner housing and the other of the interposing members, respectively. A first end portion of each of the interposing members has at least one first surface extending to be closer to the inner housing toward a tip end of the first end portion.

Abstract: A cooling system of an embodiment includes a container, a housing, and a duct. The container includes an inflow passage extending in a first direction, an outflow passage positioned in a second direction, the outflow passage extending in the first direction, an inflow port through which cooling air from an air conditioning device flows in, and an outflow port through which the cooling air flows out. The housing includes shelf portions arranged between the inflow passage and the outflow passage, the shelf portions containing heat-generating modules. The housing includes intermediary passages extending between the inflow passage and the outflow passage across the shelf portions. The duct connects the inflow port and an outlet port of the air conditioning device. The duct includes a sloping face facing the cooling air and sloping in the second direction as the sloping face approaches the inflow port.

Abstract: A cooling system of an embodiment includes a container having a first wall and a second wall intersecting the first wall; a housing accommodated in the container and including a plurality of racks juxtaposed to one another in a first direction being away from the first wall; a plurality of modules that generates heat, and is supported by the corresponding racks and placed in a row in a second direction intersecting the first direction and along the second wall; an opening through which air for cooling the modules flows into the container; and an air injection passage and an air discharge passage extending between the housing and the second wall and between the housing and an opposite side. The housing is provided with an intermediate passage extending between the injection passage and the discharge passage. The opening is juxtaposed to the injection passage in the second direction.

Abstract: According to one embodiment, a vehicle-use storage battery system includes a storage battery, a main circuit, a circuit breaker, a storage battery management unit, a first determiner, and a second determiner. The main circuit is electrically connected to the storage battery. The circuit breaker is disposed between the storage battery and the main circuit to make or break the electrical connection therebetween. The storage battery management unit manages an operating state of the storage battery. The first determiner determines whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker. The second determiner determines, on the basis of at least one of operating states of the storage battery management unit, the first determiner, and the circuit breaker, whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker.

Abstract: According to one embodiment, a vehicular storage battery device includes a housing, battery boxes, and a common cooling passage. The battery boxes are disposed in the housing. Each of the battery boxes houses an electric cell as a vehicle power source and includes a heat transporting part transporting heat generated in the battery box to outside of the battery box. The common cooling passage is disposed in the housing. The common cooling passage is provided with an inlet for taking in a fluid and an outlet for discharging the fluid having passed through the passage. The inlet and the outlet are open in a direction different from a traveling direction of the vehicle. The heat transporting part of each of the battery boxes is exposed to inside of the passage.

Abstract: A heat generating element housing device includes a first side surface, a second side surface, a first shelf plate, second shelf plates, module cases, and highly heat conductive members. The module cases are in a substantially rectangular parallelepiped shape and are fixed to the second shelf plates at the respective heights, with their longitudinal direction directed along a flow direction of the air. Each of the highly heat conductive members is fixed, with its heat transfer surface being in contact with at least one of the longitudinal side surfaces of the module case and with a side portion of the heat transfer surface being in contact with the second shelf plate.

Abstract: According to one embodiment, a vehicle-use storage battery system includes a storage battery, a main circuit, a circuit breaker, a storage battery management unit, a first determiner, and a second determiner. The main circuit is electrically connected to the storage battery. The circuit breaker is disposed between the storage battery and the main circuit to make or break the electrical connection therebetween. The storage battery management unit manages an operating state of the storage battery. The first determiner determines whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker. The second determiner determines, on the basis of at least one of operating states of the storage battery management unit, the first determiner, and the circuit breaker, whether to break the electrical connection between the storage battery and the main circuit by means of the circuit breaker.

Abstract: According to one embodiment, a vehicular storage battery device includes a housing, battery boxes, and a common cooling passage. The battery boxes are disposed in the housing. Each of the battery boxes houses an electric cell as a vehicle power source and includes a heat transporting part transporting heat generated in the battery box to outside of the battery box. The common cooling passage is disposed in the housing. The common cooling passage is provided with an inlet for taking in a fluid and an outlet for discharging the fluid having passed through the passage. The inlet and the outlet are open in a direction different from a traveling direction of the vehicle. The heat transporting part of each of the battery boxes is exposed to inside of the passage.

Abstract: According to one embodiment, a railroad storage battery device includes a first and second resin assembled battery boxes, a battery management unit, and a metal box mountable on a railroad vehicle via an insulating member. The first resin assembled battery box possesses a certain insulating property and accommodates a first battery cell group and a first cell monitoring device monitoring charge and discharge of battery cells. The second resin assembled battery box possesses a certain insulating property and accommodates a second battery cell group connected in series with the first battery cell group and a second cell monitoring device monitoring charge and discharge of the battery cells. The battery management unit controls the first and second cell monitoring devices. The metal box accommodates the first and second assembled battery boxes and the battery management unit.

Abstract: A heat generating element housing device includes a first side surface, a second side surface, a first shelf plate, second shelf plates, module cases, and highly heat conductive members. The module cases are in a substantially rectangular parallelepiped shape and are fixed to the second shelf plates at the respective heights, with their longitudinal direction directed along a flow direction of the air. Each of the highly heat conductive members is fixed, with its heat transfer surface being in contact with at least one of the longitudinal side surfaces of the module case and with a side portion of the heat transfer surface being in contact with the second shelf plate.

Abstract: A gas exhaust structure of a battery includes a rupture valve formed in a battery body, and a pipe unit composed by integrating a coupling pipe and an exhaust pipe with each other. A one-side opening of the coupling pipe is coupled to the rupture valve. The exhaust pipe is coupled to an other-side opening of the coupling pipe, guides gas that spouts out from an inside of the battery body through the rupture valve and the one-side opening of the coupling pipe, and exhausts the gas to an outside. The exhaust pipe is arranged to be offset with respect to the rupture valve without allowing an extended line that passes through a center of the rupture valve and a centerline of the exhaust pipe to be perpendicular to each other.

Abstract: A battery pack device of an embodiment includes a battery module, a casing, an air inlet, an air outlet, and a ventilation channel. In the battery module, a plurality of battery cells stacked one on another are disposed. The casing is installed while housing the battery module therein. The air inlet is provided in the casing and lets an outside air into the casing. The air outlet is provided in the casing, disposed at a position higher than a position of the air inlet, and lets the air out of the casing. The ventilation channel, in the casing, connects the air inlet and the air outlet, and inclines with respect to a horizontal direction.

Abstract: A battery pack is a battery pack chargeable a normal charge and a quick charge, and includes: a normal charging terminal 10 (11, 12) configured to apply a current of a first predetermined value to a battery cell; and a quick charging terminal 30 (31, 32) configured to apply to the battery cell a current of a second predetermined value exceeding the first predetermined value, the quick charging terminal having a different shape from a shape of the normal charging terminal.

Abstract: A gas exhaust structure of a battery includes a rupture valve formed in a battery body, and a pipe unit composed by integrating a coupling pipe and an exhaust pipe with each other. A one-side opening of the coupling pipe is coupled to the rupture valve. The exhaust pipe is coupled to an other-side opening of the coupling pipe, guides gas that spouts out from an inside of the battery body through the rupture valve and the one-side opening of the coupling pipe, and exhausts the gas to an outside. The exhaust pipe is arranged to be offset with respect to the rupture valve without allowing an extended line that passes through a center of the rupture valve and a centerline of the exhaust pipe to be perpendicular to each other.

Abstract: A battery system in which module batteries, each of which includes cell batteries connected in series, are connected to one another. Each of the module batteries includes: a cell voltage detection/inter-cell balancing circuit that detects a cell voltage of each of the cell batteries to then create a cell voltage signal, and balances energies among the cell batteries based on the created cell voltage signal; and an inter-module balancing circuit that balances energies among the module batteries based on a module voltage obtained by summing up the cell voltages of the cell batteries.

Abstract: There is provided a battery apparatus mounted in a vehicle that is not subjected to forced draft, the battery apparatus including a plurality of rectangular parallelepiped batteries stacked in a direction vertical to a traveling direction of the vehicle, a rectangular parallelepiped battery box that accommodates the plurality of rectangular parallelepiped batteries therein, and a heat equalizing plate that is brought into contact with the plurality of rectangular parallelepiped batteries.

Abstract: There is provided a bus bar which electrically connects two terminals respectively provided to two batteries with each other and is formed of at least one tabular conductor, the bus bar including two connecting portions which are connected with the two terminals, and a convex portion formed into a convex shape between the two connecting portions by curving the tabular conductor.

Abstract: A battery module includes a plurality of batteries provided adjacent to one another. Each battery includes a case, which has a frame-shaped peripheral wall having open ends and a sidewall provided at one end of the peripheral wall, and a cell which is contained in the case and exposed at the other end of the peripheral wall. In two adjacent batteries of the batteries, the other end of a peripheral wall of one battery and one end of a peripheral wall of the other battery are opposed to each other.

Abstract: A battery pack provided with a battery module including a projection, a support which holds the respective projections of a plurality of the battery modules disposed so that the projections are arranged in a straight line, and a fixing member for fixing the support to the projections.

Abstract: A battery module provided with a cell which contains an electrode group and a non-aqueous electrolyte and a case including a cell containing portion which contains the cell and a hollow portion which communicates with the cell containing portion and configured so that an outlet is formed in each of a pair of sidewalls thereof which face each other with the hollow portion therebetween.