Abstract: A power generation assembly includes: an engine including a crank shaft having an axial direction extending vertically; and an axial gap power generator located at one side of the engine in the axial direction and including a rotor connected to the crank shaft so as to be rotatable about a rotation axis extending in the axial direction and a stator opposed to the rotor in the axial direction while being spaced apart from the rotor in the axial direction.

Abstract: An energy generator includes: an internal combustion engine; a power generator that is driven by the internal combustion engine to generate operating power; a communication interface that receives information given from working equipment; a supply interface that supplies the operating power to the working equipment; and circuitry configured to control at least one of the internal combustion engine and the power generator based on information given from the working equipment through the communication interface.

Abstract: In a battery management method of managing battery packs by an external storage, the battery packs are detachably mounted on respective vehicle bodies of movable bodies. The method includes receiving battery identification information from each battery pack by processing circuitry fixed to the vehicle body; storing the received battery identification information in a vehicle body-side memory fixed to the vehicle body; associating state history information with the battery identification information and storing the state history information in the vehicle body-side memory by the processing circuitry, the state history information indicating a history of a state of a battery of the battery pack while the battery pack is mounted on the vehicle body; and associating the state history information, stored in the vehicle body-side memory, with the battery identification information and transmitting the state history information from the movable body to the external storage by the processing circuitry.

Abstract: A battery management method according to one aspect includes: detecting information by at least one sensor, the information being related to a state of a battery mounted on a vehicle body; classifying the state of the battery into any one of predetermined state categories based on the information detected by the at least one sensor; and storing in a memory a frequency of occurrence of the state of the battery corresponding to the state category.

Abstract: An off-road vehicle, including: an engine body having a cylinder and a crankshaft that extends in a horizontal direction; and a transmission disposed adjacent to the engine body in a direction orthogonal to an axial direction of the crankshaft in a horizontal direction, in which the cylinder has a center axis inclining to an opposite side to a direction in which the transmission is disposed in a horizontal direction or extending horizontally to the opposite side.

Abstract: Provided is a battery pack adapted to be removably mounted on a movable machine, the battery pack including: a rechargeable battery unit; a detector secured to the battery unit to detect the motion of the battery unit; a memory device; a processing device configured to record a history of motion information detected by the detector in the memory device; and an interface configured to output the motion information recorded in the memory device to the outside of the battery pack.

Abstract: A power device includes: a plurality of shafts; and a case that rotatably supports the plurality of shafts. Each of the plurality of shafts has a protruding end portion protruding outward from the case at least at one end portion in an axial direction. An output unit capable of rotationally driving a driven device is configured at the protruding end portion.

Abstract: A rough terrain vehicle includes: a vehicle body; a state detector mounted on the vehicle body and configured to detect a state of the vehicle; a control target mounted on the vehicle body and operable during driving of the vehicle; an estimator mounted on the vehicle body and configured to estimate a margin for overturning of the vehicle or for load on the vehicle based on a result of detection by the state detector; and a controller mounted on the vehicle body and configured to, when the vehicle is traveling, control the control target to allow the margin estimated by the estimator to exceed a predetermined level.

Abstract: Provided is a storage device storing a movement assistance program, the program being configured to cause a computer to implement the functions of: a terrain information acquisition instruction section that instructs a terrain information acquisition device mounted on a flying machine to acquire terrain information representing a terrain lying between a present location of a ground-moving machine and a destination; a zone classification section that makes a classification based on a predetermined movement permission condition and the terrain information to divide the terrain lying between the present location and the destination into a movement-permitted zone and a movement-prohibited zone; and an output section that outputs at least one selected from a movement route of the ground-moving machine, the movement-permitted zone, and the movement-prohibited zone, the movement route leading from the present location to the destination without passing through the movement-prohibited zone.

Abstract: A battery pack of a vehicle includes a battery cell, a casing accommodating the battery cell, and at least one connector projecting outward from an outer surface of the casing. The casing includes at least one projection projecting outward from the outer surface of the casing. The projection projects in a projecting direction of the connector beyond the connector.

Abstract: This state monitoring device configured to monitor a current state of a vehicle includes: a storage configured to have stored therein a load index which is an index indicating an accumulation degree of a load having occurred in the vehicle; and a calculation unit configured to receive detection values of a plurality of sensors mounted on the vehicle, and configured to perform a predetermined calculation. The calculation unit includes: a status specification section configured to, by using the detection values of the plurality of sensors, specify, out of a plurality of status categories determined in advance and each indicating a status of use regarding running of the vehicle, one or more of the status categories; and an index update section configured to, on the basis of each specified status category, update the load index stored in the storage.

Abstract: A hybrid vehicle includes: an engine including a crankshaft; an electric motor including a motor drive shaft; a power transmission shaft to which a total of drive power from the engine and drive power from the electric motor is transmitted; and a switching dog clutch located on a power transmission route from the crankshaft to the power transmission shaft, the switching dog clutch including a switching dog structure slidable to cut off the power transmission route.

Abstract: An off-road vehicle, including: an engine body having a cylinder and a crankshaft that extends in a horizontal direction; and a transmission disposed adjacent to the engine body in a direction orthogonal to an axial direction of the crankshaft in a horizontal direction, in which the cylinder has a center axis inclining to an opposite side to a direction in which the transmission is disposed in a horizontal direction or extending horizontally to the opposite side.

Abstract: A power unit of a utility vehicle includes: a power source for travel of the utility vehicle; a continuously variable transmission; a reduced-speed shaft disposed parallel to a drive shaft of the power source and coaxially with a CVT input shaft of the continuously variable transmission; speed-reduction gears that transmit rotational power of the drive shaft to the reduced-speed shaft; and an electricity generator mounted on a shaft assembly including the CVT input shaft and the reduced-speed shaft. The drive shaft, the shaft assembly, the CVT input shaft, and the CVT output shaft extend in a first direction. The electricity generator is aligned with the power source in a second direction perpendicular to the first direction, and the location of the electricity generator in the first direction overlaps with the location of the power source in the first direction.

Abstract: A hybrid vehicle includes: an internal combustion engine; an electric motor; a controller; a transmission including an input shaft that receives power inputted from the internal combustion engine and the electric motor and an output shaft that outputs power to a drive wheel; and a clutch disposed in a first power transmission route between the internal combustion engine and the input shaft. The electric motor is connected to the input shaft so as to transmit power to the input shaft through a second power transmission route different from the first power transmission route. The controller changes the manner of controlling the electric motor upon switching of the state of power transmission from the internal combustion engine and the electric motor.

Abstract: A utility vehicle includes: a pair of front wheels; a pair of rear wheels; at least one front wheel power source configured to drive the front wheels and not to drive the rear wheels; at least one rear wheel power source configured to drive the rear wheels and not to drive the front wheels; and a controller that controls the front wheel power source and the rear wheel power source. Upon receiving a predetermined two-wheel drive command, the controller brings the front wheel power source into a non-operative state while allowing the rear wheel power source to drive the rear wheels. Upon receiving a predetermined four-wheel drive command, the controller brings the front wheel power source into operation while allowing the rear wheel power source to drive the rear wheels.

Abstract: A rough terrain vehicle includes: a vehicle body; a state detector mounted on the vehicle body and configured to detect a state of the vehicle; a control target mounted on the vehicle body and operable during driving of the vehicle; an estimator mounted on the vehicle body and configured to estimate a margin for overturning of the vehicle or for load on the vehicle based on a result of detection by the state detector; and a controller mounted on the vehicle body and configured to, when the vehicle is traveling, control the control target to allow the margin estimated by the estimator to exceed a predetermined level.

Abstract: An electricity generation system includes an internal combustion engine and at least one electricity generation motor that generates electricity upon an input shaft thereof being rotated by the internal combustion engine, wherein the internal combustion engine includes: a piston reciprocable in a cylinder; a valve actuating mechanism that actuates an intake valve and exhaust valve; a supercharger that compresses intake air to be delivered into the cylinder; and a fuel feeder, and wherein while the piston reciprocates once by starting from a top dead center and returning to the top dead center, the valve actuating mechanism actuates the intake and exhaust valves in such a manner as to provide a valve overlap period, the fuel feeder feeds fuel into the cylinder after closing of the exhaust valve, and an air-fuel mixture inside the cylinder is burned during a period in which both of the intake and exhaust valves are closed.

Abstract: A power unit of a utility vehicle includes a power source for travel of the utility vehicle, a continuously variable transmission, a gear transmission, a first clutch, a second clutch, and an output mechanism. The gear transmission includes a first GT input shaft, a second GT input shaft, a GT output shaft, a first GT intermediate shaft, a second GT intermediate shaft, first speed-change gears, second speed-change gears, a first transmission gear, and a second transmission gear. The first clutch is configured to disable power transmission from the power source to the first GT input shaft. The second clutch is configured to disable power transmission from a CVT output shaft of the continuously variable transmission to the second GT input shaft.

Abstract: A dual clutch transmission-equipped power unit includes a prime mover including a drive shaft and a dual clutch transmission that changes the speed of rotation produced by rotational power output by the drive shaft. The dual clutch transmission includes a first input shaft which overlaps the drive shaft when viewed in a first direction perpendicular to the drive shaft. The dual clutch transmission includes a second input shaft which overlaps the drive shaft when viewed in a second direction perpendicular to the drive shaft. The dual clutch transmission includes a countershaft which overlaps the drive shaft when viewed in a third direction perpendicular to the drive shaft.