1457results about "Auxillary drives" patented technology

The invention provides a lithium battery hybrid power motorcycle performance improvement control strategy generation method, which comprises the steps that vehicle driving states comprise a sliding state and a braking state, if the current vehicle is in the sliding state, a preset sliding energy recovery mode is activated, and if the current vehicle is in the braking state, a preset braking energy recovery mode is activated; different energy recovery strategies are combined and optimized according to the subdivision result of the energy recovery strategies in the sliding state and the braking state, and the vehicle speed, the battery charging state and the energy recovery potential value parameters are input to obtain a target energy recovery strategy combination scheme; the intention of acceleration, deceleration or constant speed of a driver is judged according to the operation characteristics of an accelerator and a brake, the operation characteristics refer to the force of stepping on an accelerator pedal and a brake pedal, and the driver intention obtained through judgment serves as the basis for dynamic adjustment of the energy recovery strategy.

An electrified fire fighting vehicle includes a chassis, a front axle coupled to the chassis, a rear axle coupled to the chassis, a water pump, an energy storage system, an engine, an electric motor coupled to the engine and the energy storage system, and a power divider positioned between the electric motor, the water pump, and the rear axle. The power divider facilitates selectively driving the water pump and the rear axle with the engine and the electric motor.

A vehicle includes a chassis including a frame rail extending longitudinally, a tractive element coupled to the chassis, a cab coupled to the chassis and configured to support an operator, an electric motor configured to drive the tractive element to propel the vehicle, a battery configured to supply electrical energy to the electric motor, a heat exchanger, a cable electrically coupling the electric motor and the battery, and a conduit fluidly coupling the battery and the heat exchanger. The cable and the conduit extend laterally from the battery to the frame rail, and the cable and the conduit extend longitudinally along the frame rail.

The disclosure is directed to an apparatus or a system for generating energy in response to a vehicle wheel rotation. The apparatus or the system may include a roller configured to be positioned in substantial physical contact within a groove of a wheel of the vehicle. The roller may be configured to rotate in response to a rotation of the wheel. A flexible arm may be rotatably couplable to the roller such that rotation of the roller causes the flexible arm to rotate. The flexible arm may exert a downward force on the roller to increase the friction between the roller and the groove of the wheel. A first generator may be operably coupled to the flexible arm and configured to generate an electrical output based on the rotation of the flexible arm shaft and convey the electrical output to an energy storage device or vehicle motor.

A refuse vehicle includes a cab, a refuse compartment, a chassis, a high voltage power distribution unit (HVPDU) including a battery, a plurality of cables and a manual service disconnect. The manual service disconnect is accessed via a through hole of a wheel well of the refuse vehicle. The refuse vehicle further includes a platform removably coupled to the chassis and the HVPDU and configured to enclose the high voltage power distribution unit.

The invention relates to the technical field of flood drainage machines, and discloses an intelligent flood drainage robot and a water pump assembly thereof, the water pump assembly comprises a water inlet section, one end of the water inlet section is provided with a water inlet, a drainage pump is arranged in the water inlet section, and a first pressure sensor is arranged between the water inlet and the drainage pump; the water outlet section is connected with the drainage section, a second pressure sensor is arranged on the water outlet section, and a water outlet is formed in the end, opposite to the water inlet section, of the water outlet section; and the first controller is electrically connected to the first pressure sensor, the second pressure sensor and the drainage pump. The first pressure sensor and the second pressure sensor are arranged on the water inlet side and the water outlet side of the drainage pump correspondingly, the water pressure in front of and behind the drainage pump can be accurately monitored in real time in the series use process of the flood drainage robots, and the drainage pump is accurately adjusted to adapt to the drainage flow of the front-section flood drainage robot; safety of fan blades and a motor of the drainage pump is protected, and the service life of the drainage assembly is guaranteed.

An electrified fire fighting vehicle includes a chassis, a cab, a body, a front axle, a rear axle, an engine, a battery pack, a pump system including a water pump, an electromagnetic device electrically coupled to the battery pack and mechanically coupled to at least one of the front axle or the rear axle, and a power divider coupled to the pump system, the engine, and the electromagnetic device.

An electrified fire fighting vehicle includes a chassis, a cab, a body, a front axle, a rear axle, an engine, a battery pack, a pump system including a water pump, an electromagnetic device, and a power divider coupling the engine to the pump system and the electromagnetic device. The electromagnetic device is electrically coupled to the battery pack. The electromagnetic device has (a) an output coupled to at least one of the front axle or the rear axle and (b) a power take-off coupled to the pump system.

The present disclosure relates to a powertrain for a work machine (50). The powertrain (100) comprises a first prime mover (10), a second prime mover (12), a set of first gears (14a, 14b), a set of second gears (16a, 16b), an engaging unit (24), and an actuator (26). The first prime mover (10) configured to engage a first shaft (18). The second prime mover (12) configured to engage a power take off (PTO) shaft (20). The first gears (14a, 14a) mounted on the first shaft (18) and the second gears (16a, 16b) mounted on the PTO shaft (20). The actuator (26) configured to be in communication with the engaging unit (24), and further configured to selectively displace the engaging unit (24) from the idling configuration to the engaging configuration to engage with one of the second gears (16a, 16b). Advantageously, the engaging unit (24) facilitates the coupling of the second prime mover (12) with the first prime mover (10); therefore the powertrain (100) provides the desired torque to meet the requirements.

The invention provides an electric drive axle assembly and a vehicle with the same, and relates to the technical field of vehicles. The electric drive axle assembly comprises a drive motor; the differential mechanism is connected with a vehicle wheel end through a half shaft; the first planetary gear train at least comprises a first sun gear and a first planetary gear, the first sun gear is connected with an output shaft of the driving motor, and the first planetary gear is arranged on a first planetary carrier; the second planetary gear train at least comprises a second sun gear and a second planetary gear, the second planetary gear is arranged on a second planetary carrier, and the output end of the second planetary carrier is connected with the differential mechanism; and the transmission gear system is connected with the first planetary gear system and the second planetary gear system, and the transmission gear system is used for transmitting power of any one of the first planet carrier and the first sun gear to any one of the second planet carrier and the second sun gear. The problems that an electric drive axle of a commercial vehicle is large in size and unreasonable in gear-speed ratio setting are solved.

An electrified vehicle includes a human-machine interface to enable a towed vehicle mode to enable electric pumps to lubricate and / or cool vehicle components and to disable driver assistance features while the electrified vehicle is being towed by another vehicle. The electrified vehicle includes a drivetrain having an electric machine configured to provide propulsive torque to vehicle wheels, a high-voltage traction battery selectively connected to the electric machine, a battery powered fluid pump configured to pump fluid to the drivetrain, and a controller programmed to, after receiving a signal enabling towed vehicle operation of the electrified vehicle, control operation of the battery powered fluid pump while the electrified vehicle is being towed. The controller may disable one or more driver assistance features and alerts such as automatic emergency braking, automatic shifting of the drivetrain, automatic parking brake operation, automatic headlights, automatic steering, cruise control, parking assistance, and external object distance detection.

A compact work machine, such as a compact track loader and / or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint.

The present disclosure relates a power transmission system (100) for a work machine (50). The work machine is defined by drive wheels (14) for driving the work machine and a power take off (PTO) shaft (18) for driving a plurality of implements attached to the work machine. The system (100) comprises a first prime mover (10), a second prime mover (16), a first gear (20), a second gear (22), an engaging unit (24) and a switch. The engaging unit (24) is configured to be operatively mounted on the PTO shaft (18). The engaging unit (24) is configured to be displaced on the PTO shaft (18) from an idling configuration to an engaging configuration based on the satisfaction of a predetermined set of conditions. The system provides the compact assembly without any additional requirement of any external transmission assembly. Also, it makes the coupling response quick and provides smooth and noise free shifting and coupling of gears.

A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a sensor to measure a remaining amount of fuel in the at least one fuel tank, a motor connected to the fuel cell module, a power take-off shaft driven by the motor and to which an implement is connected, a display, and a processor configured or programmed to estimate, based on the measured remaining amount of fuel and a type of the implement connected to the power take-off shaft and / or a type of work performed by the implement, at least one of a travelable distance, a travelable area, or a travelable time with the work, and to display an estimation result on the display.

An example system includes a DC / DC converter interposed between a battery pack and an electrical load of a vehicle, the DC / DC converter having a first power supply phase and a second power supply phase; and a controller, including: a power request circuit structured to interpret a power request for the electrical load; a power provision circuit structured to determine a current value for each of a plurality of power supply phases; and a power command circuit structured to provide a phase power command value in response to the current value for each of the plurality of power supply phases, the phase power command value including a duty cycle command for each of the plurality of power supply phases; and wherein each of the power supply phases are responsive to the phase power command value to provide pulse width modulated (PWM) electrical power to the electrical load.

An electric work vehicle includes a chassis, a battery housing supported by the chassis, a rear axle, and an isolation structure. The chassis includes an intermediate frame attached to a rear portion of the battery housing. The intermediate frame is located between the battery housing and the rear axle in a front-rear direction of the electric work vehicle. The intermediate frame includes a plurality of wall portions that define an interior space. At least one of the plurality of wall portions includes a wall surface that faces the interior space. The isolation structure is attached to the wall surface.

An electric work vehicle includes a frame, a first motor to drive a first wheel, the first motor being supported by the frame and mounted on a first motor baseplate, and a second motor to drive a second wheel, the second motor being supported by the frame and mounted on a second motor baseplate. The first motor baseplate and the second motor baseplate are spaced apart from each other to define a space between the first motor baseplate and the second motor baseplate. A portion of a first motor power connection line and a portion of a second motor power connection line are located in the space between the first motor baseplate and the second motor baseplate. A first power receiving terminal of the first motor which is connected to the first motor power connection line is located at a rear portion of the first motor.

The invention relates to a stepless speed change electric drive axle system and a vehicle, and the system comprises a motor which is used for providing power; the first gear set is in transmission connection with the motor and distributes power; the input end of the stepless speed regulating mechanism is connected with the first gear set, and the stepless speed regulating mechanism is used for achieving stepless speed change; the planetary gear train comprises a sun gear, a planet gear, an inner gear ring and a planet carrier, the sun gear is in transmission connection with the first gear set, and the inner gear ring is in transmission connection with the output end of the stepless speed regulating mechanism; the differential mechanism is in transmission connection with the planet carrier and used for outputting power to wheels; the first gear set shunts power to the stepless speed regulating mechanism and the sun gear, and the two paths of power are coupled in the planetary gear train and then output to the differential mechanism through the planet carrier. The stepless speed regulating mechanism enables the rotating speed of the inner gear ring to be steplessly adjustable by adjusting the displacement and the rotating speed, so that stepless adjustment of the output rotating speed of the planet carrier is achieved.

An example system includes a motor / generator selectively coupled to a drive line of a vehicle, and configured to selectively modulate power transfer between an electrical load and the drive line; a battery pack; a DC / DC converter electrically interposed between the motor / generator and the electrical load, and between the battery pack and the electrical load; a covering tray positioned over a plurality of batteries of the battery pack, the covering tray comprising a connectivity layer that has a charging circuit allowing each of the plurality of batteries to be discharged individually; a plurality of battery microcontrollers, each of the plurality of battery microcontrollers associated with a corresponding one of a plurality of batteries of the battery pack; and a primary DC / DC controller configured to command operations of the DC / DC converter; wherein the plurality of battery microcontrollers are operationally coupled to the primary DC / DC controller.

All-terrain vehicle systems and methods configured for attachable tools and implements are disclosed. An example embodiment includes: an All-Terrain Vehicle (ATV) frame configured with a void; a modular Power Take-Off (PTO) system removably installable in the ATV frame in the void; and a cargo bed removably installable at a rear portion of the ATV frame.

The invention relates to the technical field of vehicle transmission power generation, in particular to a vehicle-mounted engine power takeoff driven parking power generation device which comprises a power takeoff and a power generator, a transmission shaft component is arranged between the power takeoff and the power generator, and the power takeoff drives the power generator to work and generate power through the transmission shaft component; the transmission shaft component comprises a first split shaft and a second split shaft which are coaxially arranged, an axial lock sleeve is fixedly arranged on the first split shaft, and the axial lock sleeve axially limits the second split shaft; according to the parking power generation device driven by the power takeoff of the vehicle-mounted engine, a vehicle can have higher safety redundancy, and when the power takeoff breaks down and cannot be connected with power or disconnected from the power, the working condition can be automatically recognized, and power takeoff is disconnected or power takeoff is connected in an emergency.

A propulsion system for vehicle propulsion component having a variable displacement hydraulic pump, a hydraulic motor, adapted to drive the rotation of the propulsion component, an electric motor, adapted to drive the hydraulic pump, a source of electric power, and a controller configured, as a function of a setpoint value, to control the displacement of the hydraulic pump and the rotational speed of the electric motor so as to achieve the setpoint value while maintaining a rotational speed of the electric motor greater than a lower threshold value.

An electric drive assembly for operation with a work vehicle component using an SAE standard hydraulic pump / motor mount includes an electric machine with a shaft and a mounting flange. An adapter housing defines an interior space between a component mounting flange and an electric machine mounting flange. The electric machine mounting flange is sized and configured to mate with the electric machine mounting flange. The component mounting flange has a bolt hole pattern and mounting pad that are complementary in size and configuration to those of the SAE standard hydraulic pump / motor mount. A gear set, located at least partially within the interior of the adapter housing, is configured to effect a change in gear ratio and transmit power between the electric machine shaft and a drive shaft.

A system for operating at least a pair of pumps using a driver. The driver can be coupled to a first portion of a first drive shaft that is not positioned in within an interior area of a thermal fluid tank of a first thermal circuit. A magnetic coupling can couple the first portion to a second portion of the first drive shaft that is within the thermal fluid tank. Rotational displacement of the first portion of the first drive shaft can be translated, via the magnetic coupling, to the second portion of the first drive shaft to drive a first fluid pump. The first portion of the first drive shaft can also be coupled to a second drive shaft by a clutch, the second drive shaft being used to operate a second fluid pump that provides a force for circulating a second thermal fluid of a second thermal circuit.

An electric crawler vehicle includes a pair of left and right traveling crawlers, a traveling electric motor that generates traveling power to be transmitted to the pair of left and right traveling crawlers, and a turning electric motor that generates turning power to be transmitted to the pair of left and right traveling crawlers. The traveling electric motor and the turning electric motor are disposed on one lateral side of the vehicle.

Disclosed is a drive arrangement for a tractor. In one example, the drive arrangement includes a first powertrain, a power take-off for driving a coupled attachment unit, and / or including a pump power take off for driving at least one hydraulic pump. A second powertrain has a vehicle transmission with at least one transmission output for driving at least one vehicle axle. A first electric machine can be coupled in terms of drive to the first powertrain. A second electric machine can be coupled in terms of drive to the second powertrain.

The present invention relates to the technical field of hydrogen fuel cell vehicles, and in particular to a fuel cell vehicle self-range extension system and control method based on photovoltaic hydrogen production, comprising a tractor head and a tractor trailer; wherein the tractor head mainly uses a high-power fuel cell as a power source, comprises a hydrogen filling port, a high-pressure hydrogen storage bottle group, an ejector, a high-power fuel cell, a tail water collection box, an electrolysis device, a hydrogen / water separator, etc., and can convert solar energy obtained from the surrounding external environment by the tractor trailer into electrical energy during normal operation or parking of the hydrogen fuel vehicle, further reversely decompose the tail water discharged by the high-power fuel cell into hydrogen, and feed it back to the front-end hydrogen supply system of the whole vehicle, thereby realizing vehicle-level autonomous automatic fuel replenishment, effectively increasing the vehicle's driving range, and improving the fuel economy of the whole vehicle.

A radio-controlled vehicle, in particular a radio-controlled lawn mower, comprising: a frame; an engine; at least one rolling unit to cause the radio-controlled vehicle, in use, to move on a ground; a drive system for each rolling unit; a remote control; a control unit, which exchanges signals with the remote control, the engine and each drive system; a belt drive assembly which is interposed between the engine and each drive system and is operated by the engine so as to cause the rotation of each drive system.

An electric work vehicle includes a housing, a motor to drive to a wheel, the motor being supported by the housing, a gearing including a plurality of gears, and a locking assembly including a pawl. The motor is connected to the gearing to drive the wheel. The locking assembly is operable to lock an outermost gear of the plurality of gears in a left-right direction of the electric work vehicle. The outermost gear includes a first diameter portion and a second diameter portion that is larger than the first diameter portion. The first diameter portion is located outside of the second diameter portion in the left-right direction of the electric work vehicle. The pawl is operable to engage with the first diameter portion to lock the outermost gear from rotating.

A cooling system for an electric drive assembly, being used for providing lubricating oil for the electric drive assembly. The electric drive assembly comprises an electric motor assembly and a variable-speed gear set, and the cooling system comprises a mechanical oil pump (10) and an electronic oil pump (20), the mechanical oil pump (10) being configured to be drivingly connected to the variable-speed gear set. The mechanical oil pump (10) can rotate along with the electric drive assembly to provide circulating power for cooling oil, and the electronic oil pump (20) is configured to provide circulating power for the cooling oil when the temperature of the cooling oil is higher than a first preset temperature and a vehicle speed is lower than a first preset vehicle speed. Further provided are an electric drive assembly, a vehicle, and a control method.