Abstract: A hydraulic system for driving a vibratory mechanism of a compaction roller includes at least one hydraulic motor connectable to a vibratory mechanism and a first hydraulic pump fluidly connected to the at least one hydraulic motor and arranged for supplying pressurised hydraulic fluid to the at least one hydraulic motor. The hydraulic system further includes a second hydraulic pump fluidly connected to the at least one hydraulic motor and arranged for supplying pressurised hydraulic fluid to the at least one hydraulic motor. A corresponding method for controlling a vibratory mechanism of a compaction roller is also provided.

Abstract: A suspension system may include a lower arm configured to perform a vibrating movement by vibration of the vehicle, a reducer connected to the lower arm so that the vibrating movement of the lower arm is transmitted thereto, and a motor unit connected to the reducer, and configured to receive power from the reducer. The reducer may include an input shaft unit rotatably mounted to the housing and connected to the lower arm to be rotated by vibration of the lower arm, a gear unit configured to receive a rotating force from the input shaft unit, an output shaft unit configured to receive power from the gear unit, and a clutch unit selectively connecting the gear unit with the output shaft unit.

Abstract: The present invention comprises: a first pressure-regulating mechanism that pressurizes a first wheel cylinder on either the left or right front wheel side of a vehicle, by using the movement of a first control piston driven by a first electric motor; a second pressure-regulating mechanism that pressurizes a second wheel cylinder on the other side, out of the left and right front wheels, by using the movement of a second control piston driven by a second electric motor; an opening/closing means interposed in a connection fluid path that connects the first wheel cylinder and the second wheel cylinder; and a control means. If the operation amount for a braking operation member is less than a prescribed value, the control means puts the opening/closing means in a connected state, puts the first electric motor in an electricity-supplied state, and puts the second electric motor in a non-electricity-supplied state.

Abstract: An energy storage and recovery system device for a vehicle, comprising a flywheel, a first and a second set of gears, and multiple wet multi-plate clutches, wherein one of each gear set is arranged coaxially along a clutch shaft with one of the clutches, and wherein the device is coupled to the vehicle transmission, such that actuation of a clutch redirected the torque path via the gears, thereby enabling multiple ratios and therefore multiple speeds.

Abstract: A support assembly secured to a vehicle has a fixedly positioned exterior tube, an interior tube removably received in the exterior tube, an open input, and an open output. A support shaft is positioned in the interior tube. A plurality of bearings support the support shaft for rotational movement. A plurality of fans are mounted on the support shaft for rotation in response to airflow through the support assembly. A plurality of alternators/generators are mounted on the support shaft for generating electricity. An electrical assembly has a plurality of batteries and a controller coupling the alternators/generators and the batteries.

Abstract: A control system may receive sensor data indicative of respective fluid levels of two or more hydraulic accumulators configured to operate at respective target fluid levels within a hydraulic system. The control system may determine respective errors of the hydraulic accumulators based on the respective fluid levels and respective target fluid levels of the hydraulic accumulators. The respective errors may correspond to pressure errors, fluid volume errors, or other types of errors of the hydraulic accumulators. Responsive to determining the respective errors, the control system may determine that the error of a given hydraulic accumulator is greater than errors of the other hydraulic accumulators and provide instructions to control a hydraulic valve to supply fluid from a single pump of the hydraulic system to the given hydraulic accumulator.

Abstract: The present invention discloses a power transmission control method and device for a crane and the crane. The method includes: setting the maximum working displacement of a secondary element corresponding to each gear of the crane; determining the current gear state and specific gear of the crane; determining the working mode of the secondary element from the gear state, and setting the maximum allowable displacement of the secondary element as the maximum working displacement corresponding to the specific gear.

Abstract: An agricultural baler including a base unit, a plurality of ground engaging devices and a transmission. The plurality of ground engaging devices support the base unit. The transmission is mounted on the base unit. The transmission includes an input shaft and an other shaft. The other shaft is separate from the input shaft. The other shaft is drivingly coupled to the input shaft. The other shaft is connected to a flywheel and/or a hydraulic pump. The other shaft is configured to operate at a different speed than the speed at which the input shaft operates.

Abstract: A hybrid powertrain utilizes a motor with a permanent magnet rotor. The rotor is formed by inserting parallelepiped magnets into slots. To reduce the likelihood of demagnetization, the net magnetization of each magnet is oriented parallel to a sidewards surface of the magnet and not perpendicular to an outwards surface of the magnet. The magnets may be arranged in multiple rows. The magnets in each row may be perpendicular to a rotor radial or diagonal to a rotor diagonal.

Abstract: An energy supply vehicle for supplying an electrically drivable motor vehicle with an electrical energy. A drive unit for moving the energy supply vehicle, an electrical energy source for supplying electrical energy for the electrically drivable motor vehicle, and an electrical coupling device for electrical coupling the electrical energy source to the electrically drivable motor vehicle in order to transfer the electrical energy from the electrical energy source to the electrically drivable motor vehicle having a control unit including a communication device and is designed to guide the energy supply vehicle as a self-driving and remotely controlled vehicle and to control the electrical coupling device for an automatic electrical coupling of the electrically drivable motor vehicle.

Abstract: A transmission includes a drive shaft, an output shaft, three planetary gear sets, and five shift elements, the first and second planetary gear sets are negative or minus gear sets. The third planetary gear set comprises three elements. The drive shaft is connected to the first element. A ring gear of the first planetary gear set is connected to the second element. The drive shaft is connectable to a sun gear of the first planetary gear set through the first shift element. The third element is rotationally fixable through the second shift element. The sun gear of the second planetary gear set is rotationally fixable through the third shift element. The planetary carrier of the second planetary gear set is rotationally fixable through the fourth shift element. The drive shaft is connectable to the planetary carrier of the second planetary gear set through the fifth shift element.

Abstract: Systems and methods for launching a hybrid vehicle that includes a motor/generator and an automatic transmission with a torque converter are described. The systems and methods may permit improved vehicle acceleration to enhance hybrid vehicle performance during specific vehicle launch conditions. The launch conditions may be established based on brake pedal position and accelerator pedal position.

Abstract: A transmission system selectively coupled to an engine crankshaft of an internal combustion engine arranged on a vehicle includes a waste heat recovery (WHR) system, a brake assembly and a phase-change thermal heat storage system. The WHR system selectively circulates a WHR fluid in the transmission system. The brake assembly selectively couples a transmission output shaft to a drive axle. The brake assembly is configured to operate in a braking mode that retards relative rotation between the transmission output shaft and the drive axle while generating heat. The heat storage system includes a housing defining at least one cavity and a fluid transfer manifold. A phase-change material is disposed in the cavity that is configured to change phase during the braking mode. The WHR system circulates the WHR fluid through the fluid transfer manifold collecting braking heat to be used at a later time in the form of driveline power.

Abstract: In a hybrid transmission, a traction motor is mounted between a dry clutch module and a manual gearbox. A slave cylinder is mounted within the rotor of the traction motor to reduce axial length. The rotor is fixedly coupled to an engine crankshaft. The stator may be cooled by circulating engine coolant through the housing. The stator and the rotor may be cooled by spraying transmission fluid into a sealed motor cavity.

Abstract: Systems and methods for improving operation of a stop/start vehicle are presented. In one example, an engine throttle position is adjusted in response to whether or not a starter engages a flywheel during engine stopping. The throttle may be adjusted to a more open position if the starter engages the flywheel or to a more closed position if the starter does not engage the flywheel.

Abstract: In one embodiment, an apparatus comprises a thermal barrier configured to surround at least a portion of a driveshaft and to protect the driveshaft from heat. The thermal barrier comprises an inner wall forming a cavity in which the driveshaft lies, an outer wall enclosing the inner wall, and a space between the inner wall and the outer wall. The space is evacuated and forms a vacuum.

Abstract: A hybrid vehicle drive system for use with a first prime mover and a transmission driven by the first prime mover. The system includes a second prime mover coupled to a rechargeable energy source, a split shaft PTO, and an accessory coupled to the split shaft PTO. The split shaft PTO is configured to couple to the second prime mover, and the accessory is configured to receive power from the second prime mover through the split shaft PTO.

Abstract: A vehicle may include an internal combustion engine configured to drive a plurality of wheels of the vehicle via a drive train. A waste heat utilization device may drive an electric generator by converting the waste heat generated by the internal combustion engine. The generator may be electrically connected to an on-board electrical system comprising an electric energy store and at least one electric consumer. An electric motor may be coupled to the drive train to provide an additional drive. The generator may convert kinetic energy generated by the waste heat utilization device into electrical energy and to provide the electrical energy to the on-board electrical system and/or to the electric motor. The electric motor may convert electrical energy provided by the electric energy store of the on-board electrical system and/or by the generator into kinetic energy and may couple the same into the drive train.

Abstract: An agricultural, construction, or industrial vehicle or machine has a driveline including an engine, a power-shuttle transmission connected to the engine, and at least one drive axle driven by an output shaft of the power-shuttle transmission. The power-shuttle transmission has an input shaft, a forward shuttle gear train, and a reverse shuttle gear train. Each shuttle gear train has a shuttle clutch selectively coupling it with the input shaft. The forward shuttle gear train drives the output shaft when the forward shuttle clutch is engaged, and the reverse shuttle gear train drives the output shaft when the reverse shuttle clutch is engaged. The at least one drive axle has at least one service brake. A hydraulic energy recapture system is coupled to the output shaft of the power-shuttle transmission and works in cooperation with the shuttle clutches and with the service brakes.

Abstract: An assembly for a motor vehicle has an electric machine and a clutch actuating device. The electric machine has a machine housing, a rotor and a stator. The stator includes a stator carrier with a fluid cooling jacket constructed substantially as an annular space, a fluid inlet, and a fluid outlet spaced apart from the fluid inlet. The stator encloses a central receiving space in which a pressure medium cylinder of the clutch actuating device is arranged. The pressure medium cylinder has a pressure medium inlet arranged inside the axial extension of the stator carrier and can be brought into fluidic connection with, or is fluidically connected with, a pressure source via a pressure medium channel extending from the machine housing. The pressure medium channel is constructed at least partially in a wall portion of the stator carrier adjoining the central receiving space.

Abstract: A hybrid driveline which may be operated in a hydrostatic drive mode and a direct drive mode and a method of operating a hybrid driveline in a hydrostatic drive mode and a direct drive mode is provided. The hybrid driveline comprises a power source, a first hydrostatic unit drivingly engaged with the power source, a second hydrostatic unit selectively drivingly engaged with a vehicle output and in fluid communication with the first hydrostatic unit, an accumulator assembly in fluid communication with the first hydrostatic unit and the second hydrostatic unit, and a clutching device selectively drivingly engaged with the vehicle output and one of the first hydrostatic unit and the second hydrostatic unit. The hybrid driveline provides the benefits of a series hybrid arrangement and a parallel hybrid arrangement, reduces torque interruptions during operation and shifting procedures, and increases an efficiency of a vehicle the driveline is incorporated in.

Abstract: A regenerative brake control device of a vehicle, which is configured to control a rotary electric motor that is configured to drive wheels at a regeneration ratio corresponding to a selected regeneration stage to thereby obtain a regenerative brake force, includes: a selecting section which is manually operated to select a regeneration stage from a plurality of regeneration stages which have been set; and a control section which is configured to make control so that, when a predetermined operation is performed on the selecting section, a regeneration stage in which the predetermined operation has not been performed on the selecting section is automatically changed to another regeneration stage.

Abstract: A motor-generator includes a double-sided stator having a first stator pole wound with a first stator winding of a first channel and a second stator pole wound with a second stator winding of a second channel. The first stator pole and the second stator pole are axially aligned with respect to a centerline of the motor-generator and radially offset between a radially inner side and a radially outer side of the double-sided stator. The motor-generator also includes at least one rotor radially disposed from the double-sided stator with respect to the centerline of the motor-generator.

Abstract: A system and method are provided for hybrid electric internal combustion engine applications in which a motor-generator, a narrow switchable coupling and a torque transfer unit therebetween are arranged and positioned in the constrained environment at the front of an engine in applications such as commercial vehicles, off-road vehicles and stationary engine installations. The motor-generator is preferably positioned laterally offset from the switchable coupling, which is co-axially-arranged with the front end of the engine crankshaft. The switchable coupling is an integrated unit in which a crankshaft vibration damper, an engine accessory drive pulley and a disengageable clutch overlap such that the axial depth of the clutch-pulley-damper unit is nearly the same as a conventional belt drive pulley and engine damper. The front end motor-generator system includes an electrical energy store that receives electrical energy generated by the motor-generator when the coupling is engaged.

Abstract: A dual-clutch seven speed transmission arrangement comprises a dual-clutch gearbox, a drive machine and a transfer transmission. The dual clutch gearbox comprises first and second input shafts provided with first and second input clutches. The first input shaft is provided with at least first and second gearwheels, which are arranged to host three even and one reverse drive gear, and the second input shaft is arranged to host four odd drive gears. Furthermore, the first input shaft is a hollow shaft enclosing the second input shaft. The drive machine is a flywheel and the transfer transmission meshes with the first gearwheel that also hosts a fourth drive gear of the dual clutch gearbox.

Abstract: System, methods, and other embodiments described herein relate to adapting a manner of braking according to brake wear of friction brakes of a vehicle. In one embodiment, a method includes identifying whether brake wear of at least one of the friction brakes satisfies a threshold for modifying a deceleration pattern of the vehicle. The deceleration pattern indicates how regenerative brakes and the friction brakes are engaged to decelerate the vehicle individually for each wheel of the vehicle. The method includes adjusting the deceleration pattern according to at least the brake wear of the at least one of the friction brakes to transition braking from the at least one of the friction brakes to the regenerative brakes. The method includes controlling the vehicle to decelerate according to the deceleration pattern upon receiving a control input.

Abstract: One of the most popular and exhilarating stunts in off-road vehicle driving is catching air off a jump. Unfortunately, once the vehicle is in the air, the driver loses significant control of the vehicle. An electronic vehicle control system is described herein that addresses this problem. The system may include an ABS module, a shock position sensor, and an ABS override module. The ABS override module may be coupled to the shock position sensor and the ABS module. The ABS override module may receive a shock-extended signal from the shock position sensor indicating one or more of the shocks are fully extended. The ABS override module may send a stop-ABS signal that may prevent the ABS module from operating. The ABS override module may additionally be connected to a yaw rate sensor, the brakes, and the throttle, and may automatically control the pitch, roll and yaw of the vehicle.

Abstract: A regenerative brake control device of a vehicle, which is configured to control a rotary electric motor that is configured to drive wheels at a regeneration ratio corresponding to a selected regeneration stage to thereby obtain a regenerative brake force, includes: a selecting section which is manually operated to select a regeneration stage from a plurality of regeneration stages which have been set; and a control section which is configured to make control so that, when a predetermined operation is performed on the selecting section, a regeneration stage in which the predetermined operation has not been performed on the selecting section is automatically changed to another regeneration stage.

Abstract: A method and a device for recovering heat from an engine and for converting the heat into mechanical energy using an expansion machine. A heat accumulator fluid is guided in a primary circuit by means of a primary pump and is firstly heated by the waste heat of the combustion engine by means of a heat exchanger, is transferred into a heat accumulator and recirculated to the first heat exchanger, and, secondly, the heat accumulator fluid is guided in a secondary circuit by said heat accumulator fluid being extracted in the vapor state from the heat accumulator and being supplied to the expansion machine, and being condensed by means of a condenser downstream thereof and being recirculated into the heat accumulator by means of a secondary pump. The primary circuit of the heat accumulator fluid is connected to the secondary circuit exclusively via the heat accumulator.

Abstract: A system includes an engine, a generator assembly, a direct current voltage bus, and a controller. The assembly is coupled to and driven via the engine, and has an electric generator, field windings, and a voltage rectifier collectively producing a generator output voltage. An inner control loop of the controller provides a field duty cycle signal to the field windings in response to an adjusted voltage control signal. An outer control loop of the controller provides a torque-based voltage control signal as an input to the inner control loop in response to a commanded engine torque and an estimated generator torque. An output torque of the generator is directly controlled via the outer control loop. The inner control loop calculates the adjusted voltage control signal as a difference between the torque-based voltage control signal and the output voltage.

Abstract: An example system for using an inductor in magnetic skyhook damper isolation includes a first component moveable with respect to a second component, and a tuned magnetic dashpot positioned between the first component and the second component. The tuned magnetic dashpot damps movement of the first component relative to the second component, and includes a voice coil coupled to the first component, a magnet coupled to the second component and concentric with the voice coil, and an inductor positioned in series with the voice coil to enable frequency dependent damping, such that damping below a critical frequency ?{square root over (2)}?n is greater than damping above the critical frequency ?{square root over (2)}?n, where ?n is a natural frequency of movement of the first component relative to the second component.

Abstract: A method according to an embodiment of the invention is provided for identifying at least one routing option for use in routing a user from a current location to at least one destination comprising.

Abstract: A power distribution method and system for a fuel cell vehicle is provided. The method includes deducing an amount of moisture in a stack of a fuel cell, when a supply amount of air of the stack of the fuel cell is decreased and determining a state of the fuel cell based on the amount of moisture. Additionally, the method includes deducing allowance power of a regenerative braking of a driving motor using maximum power of the regenerative braking of an air compressor and chargeable power of a high voltage battery based on the determined state. The regenerative braking of the driving motor is then adjusted to prevent actual power of the regenerative braking of the driving motor from exceeding the allowance power of the regenerative braking.

Abstract: A vehicle regenerative speed control device is provided that includes a controller which performs a regenerative speed control for downshifting a belt-type continuously variable transmission to the low gear ratio side and increasing a rotational speed of a transmission input shaft to which a motor generator is connected when there is a request for an increase in the regeneration amount while decelerating. The controller also imposes the limitation of staying within a Pri end command rotational speed change rate for the Pri end command rotational speed when performing a regenerative speed control for increasing the Pri end command rotational speed based on a braking operation in a brake switching region for switching from regenerative braking to hydraulic braking due to a decrease in vehicle speed.

Abstract: A vehicle control apparatus is a vehicle control apparatus controlling a vehicle and provided with a regenerative device generating electric power while applying a regenerative braking force by performing regenerative electric power generation, an electric power supply capable of exchanging electric power with the regenerative device, and a hydraulic device applying a hydraulic braking force attributable to a hydraulic pressure, and is provided with an electronic control device controlling the regenerative device and the hydraulic device so as to adjust the ratios of the regenerative braking force and the hydraulic braking force to a required braking force required for the braking of the vehicle based on an input electric power value input into the electric power supply.

Abstract: A hybrid electric vehicle includes a combustion engine, electric machine, turbocharger, and turbo lag reduction assembly that includes an auxiliary compressor and pressure tank, which are coupled to a clutch driven by a driveshaft powered by vehicle wheel rotation. A controller engages the clutch in response to a braking signal, until the auxiliary compressor recharges the pressure tank. The controller also disengages the clutch in response to one of termination of the braking signal and the pressure tank being recharged with compressed air. Additionally, the controller responds to an engine torque demand signal and discharges compressed air from the pressure tank to an intake manifold of the engine. Further, the controller may discharge a volume of compressed air from the pressure tank to the intake manifold of the engine, until a turbo charge limit signal is received that indicates the turbocharger reached an operating speed.

Abstract: The invention relates to a dual motor hydraulic hybrid transmission. The transmission comprises a power source, a hydraulic circuit including a pump drivingly engaged with the power source and two displacement units, a hydraulic accumulator assembly including high and low pressure accumulators, one or more control valves, and an output shaft drivingly engaged with the first hydraulic displacement unit. The displacement units are in fluid communication with the hydraulic pump. The accumulators are in fluid communication with the hydraulic circuit. The second hydraulic displacement unit is drivingly engaged with the output shaft.

Abstract: A vehicle charge system includes a computer programmed to navigate a vehicle to a charge location based on a determination, upon determining that light received by the vehicle is below a light threshold, that one of a current vehicle charge level and a predicted charge level is below a charge threshold.

Abstract: A power transmission device PT includes a clutch input part 120, a clutch output part 130, a start clutch 110 which can connect the clutch input part 120 and the clutch output part 130 to each other, and an electric motor MG having a rotor MGa. The clutch input part 120, the clutch output part 130, and the start clutch 110 are arranged in the rotor MGa. The power transmission device PT includes a switching mechanism 140 which is switchable between an output side correction state in which the rotor MGa and the clutch output part 130 are connected to each other and an input side connection state in which the rotor MGa and the clutch input part 120 are connected to each other.

Abstract: A power transmission device of a work vehicle has an input shaft, an output shaft, a gear mechanism, and an electric motor. The gear mechanism has a planetary gear mechanism and transmits the rotation of the input shaft to the output shaft. The electric motor is connected to a rotating element of the planetary gear mechanism. The power transmission device is configured to change the rotation speed ratio of the output shaft with respect to the input shaft by changing the rotation speed of the electric motor. A control unit has a target torque determination unit and a target torque correcting unit. The target torque determination unit determines a target torque of the electric motor. The target torque correcting unit corrects the target torque according to a correction torque based on a moment of inertia of the electric motor.

Abstract: A forced-air battery charging system for a vehicle having an engine compartment includes a turbine assembly having a casing and a plurality of blades, the casing being positioned forwardly in the engine compartment for operably receiving ambient air as the vehicle travels forwardly and having an outlet expelling the ambient air. The plurality of blades are situated in the casing between the inlet and the outlet and are operable to rotate about an axis when impacted by the received ambient air in a direction askew to the axis. An electricity generator is operatively coupled to the plurality of blades. The system includes an air duct having walls that define a channel having proximal and distal ends, the proximal end being open and in communication with the casing outlet, the distal end being open through which the ambient air exits under the vehicle after passing through the air duct proximal end.

Abstract: Provided is a wind powered system which provides electrical energy to a vehicle using wind flow through wind tunnels. The system includes a plurality of ducts or wind tunnels each of which accommodates a plurality of rotary fans which are connected to a corresponding one of a plurality of alternators. A pulling fan and a motor connected to the pulling fan are provided to pull and move the wind throughout the ducts.

Abstract: In order to achieve a vehicle wheel (10) slip relative to a roadway (12) while braking the vehicle, said slip being as advantageous as possible, the rotational speed (w) of the wheel (10) can be actively reduced by an ABS by means of a braking intervention and passively allowed to accelerate again via the roadway (12) when the brake is released. The slip of the wheel (10) oscillates by an optimal slip value during the ABS regulating process. The aim of the invention is to improve an anti-lock braking system for a vehicle. In the method according to the invention, at least one wheel (10) of the vehicle is supplied with a braking torque (Mb) in order to temporarily reduce a travel speed (v) of the vehicle relative to a rolling surface (12), said braking torque acting against a rotating direction (14) of the wheel (10).

Abstract: Provided is a control device for an electric vehicle capable of stabilizing vehicle behavior when performing slip control of drive wheels. The control device for an electric vehicle according to the present invention is a control device for an electric vehicle to be used in an electric vehicle, the electric vehicle including: a motor which is connected to the drive wheels of the electric vehicle via a differential gear and a drive shaft, and which is configured to generate a braking or driving torque for each of the drive wheels; and a mechanical braking device capable of independently generating a braking force for each of the drive wheels.

Abstract: A motive power stoppage guidance apparatus includes at least one of a display device configured to be disposed in a compartment of a vehicle, and a sound output device configured to output a sound in the compartment of the vehicle; and an indication control unit configured, when the vehicle is traveling in a state where a motive power stops, or when the likelihood is high in that the vehicle is traveling in the state where the motive power stops, to execute at least one of having the display device display at least one of that the motive power is in a stopped state, and a recommended operational method, and having the sound output device output an indication sound.

Abstract: A method for controlling an electrical drive of an electrically driven air compressor of a motor vehicle and a corresponding control circuit. A prevailing load torque of the air compressor that is applied at a drive shaft of the compressed air compressor is estimated as a function of at least one operating parameter and is fed forward as an estimated disturbance variable to the control circuit of the electrical drive to reduce a control error produced as a result of the prevailing load torque.

Abstract: The present invention relates to a method and device for on-line prediction of remaining driving mileage of an electric vehicle. The method comprises: acquiring in-transit data and driving environment data of the electric vehicle which is driving; calculating the power consumption per mileage of the electric vehicle in the current case by using the in-transit data and the driving environment data in combination with a power consumption rate data model; predicting the remaining driving mileage of the electric vehicle based on the power consumption per mileage. The device provided by the present invention is implemented on the basis of the method above. The prediction result of the present invention is more accurate, to avoid the problem that the power is exhausted due to exceeding the mileage expected by a user so that the electric vehicle cannot continue to drive, thereby improving the driving experience of the user.

Abstract: An agricultural product distribution system includes a fan configured to provide an air flow that fluidizes and transports particulate material throughout the agricultural product distribution system. The fan includes an impeller, an inlet position on a first axial side of the fan, and an outlet position on a peripheral side of the fan. The agricultural product distribution system includes a power transfer shaft having a first end non-rotatably coupled to the impeller, wherein the power transfer shaft extends through the inlet of the fan.

Abstract: A regeneration control device of an electrically driven vehicle configured to control regeneration operation in which rotational energy of wheels is converted and regenerated into electric energy by a rotary electric motor, includes: a regeneration level selecting unit manually operated to select a regeneration level in the regeneration operation; a regeneration level setting unit changing the regeneration level to a stage in accordance with the operation on the regeneration level selecting unit; and a regeneration executing unit executing the regeneration operation in accordance with the stage of the regeneration level changed by the regeneration level setting unit. When a specific operation is performed on the regeneration level selecting unit, the regeneration level setting unit changes the regeneration level to a highest stage in one of an up direction and a down direction.

Abstract: A shovel includes a main pump, a hydraulic actuator, and an accumulator part. The hydraulic actuator is configured to be driven with hydraulic oil discharged by the main pump. The accumulator part is configured to store the hydraulic oil discharged from the hydraulic actuator and discharge the hydraulic oil to the intake side of the main pump.