3264 results about "Powertrain" patented technology

A vehicle-body structure may include a floor panel, a dash panel extending upward from a vehicle front portion of the floor panel and partitioning a vehicle front portion of an occupant space, a cooler disposed on a vehicle front side of the dash panel, a control device disposed in the occupant space, and a supply pipe through which a heat exchange medium subjected to heat exchange at a heat exchanger is supplied to the control device. The heat exchanger may be closer to the control device than a powertrain PT mounted on an automobile.

An off-road vehicle includes a powertrain assembly having an engine and a steel belt continuously variable transmission. Portions of the powertrain assembly are supported at a rear portion of the vehicle and are positioned relative to other components of the vehicle also supported at the rear portion of the vehicle. The vehicle also is configured for various operating modes.

A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed electronic steering system. The system and method may include modifying at least one brake or powertrain command to individual roadwheels where vehicle instability is detected.

A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed electronic steering system. The system and method may include modifying at least one brake or powertrain command to individual roadwheels where vehicle instability is detected.

Disclosed in the present application are a corner module and a vehicle, the corner module comprising a suspension system and a steering system, wherein the steering system comprises a steering power assembly, a steering execution assembly and a steering transmission assembly; the steering execution assembly comprises a first steering knuckle and a second steering knuckle, wherein the first steering knuckle is arranged on a traveling system, and the first steering knuckle is connected to the steering transmission assembly; the second steering knuckle is connected to the suspension system; and the first steering knuckle is movably connected to the second steering knuckle, such that the first steering knuckle turns around a movable connection point of the first steering knuckle and the second steering knuckle. In the corner module, decoupling of a steering axis from the suspension system is achieved, the position of the movable connection point is conveniently configured to form a more rational steering axis, the degree of design freedom is increased, the steering performance is better considered, excessive constraint on the degree of freedom of the traveling system is avoided to a certain extent, and motion interference between the steering system and the suspension system is reduced, thereby improving the flexibility, safety and stability of the steering system of the corner module.

A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed electronic steering system. The system and method may include modifying at least one brake or powertrain command to individual roadwheels where vehicle instability is detected.

The invention relates to the technical field of new energy pipelines, in particular to an anti-cracking hydrogen-doped pipeline system and a performance degradation monitoring method thereof. The hydrogen-doped pipeline system comprises a pipeline assembly, a supporting assembly, an operation assembly, a power assembly, a storage battery pack, a system control cabinet and a power generation assembly, the phenomena of hydrogen permeation and gas stratification are effectively inhibited through innovative pipeline structure design and material optimization in the system level, the hydrogen embrittlement risk is reduced from the source, and the energy consumption is reduced. According to the method, the hydrogen atom diffusion tracking and crack initiation prediction are combined, and a multi-scale collaborative monitoring system is constructed, so that the whole-process monitoring from hydrogen atom diffusion tracking to crack initiation prediction is realized, and particularly, a quantum dot marking technology is combined with a traditional sensing network, so that the service life of the pipeline can be effectively prolonged, and the reliability and the maintenance efficiency of safety monitoring are improved.

A method for state-of-health monitoring of a powertrain component in an electric vehicle system includes: determining an equivalent circuit model of the powertrain component; modeling heat losses in the powertrain component considering both transient and steady-state conditions; modeling heat flow through the powertrain component based on one or more material properties of the powertrain component; determining a temperature of a particular structure within the powertrain component; and determining, using a Rainflow algorithm, a number of temperature cycles until failure of the particular structure based on the temperature of the particular structure.

A number of variations are disclosed including a system and method for modifying, in real-time, at least one brake or powertrain application to individual roadwheels of a vehicle to increase lateral maneuver capability in a vehicle having an operational, partially operational, failing, or failed electronic steering system. The system and method may include modifying at least one brake or powertrain command to individual roadwheels where vehicle instability is detected.

A low floor electric bus includes a frame extending longitudinally from a front end to a rear end, the frame having two sidepieces and a plurality of crossmembers extending between and coupled to the sidepieces, wherein the frame has a central section positioned at a lower height relative to the front and / or rear sections. The bus further includes a battery pack mounted to the central section of the frame; a powertrain having an electric motor and a driveshaft, wherein the electric motor is mounted to the rear section of the frame behind a rear axle coupled to the frame and the driveshaft extends from the electric motor to the rear axle; and a cradle coupled to the front section of the frame. A mixed-material cabin is also provided. The cabin includes a passenger cabin with a floor, sidewalls, and ceiling having steel, ceramic, and composite components.

A motor controller for pulse heating of a power battery. The motor controller includes an inverter circuit, the inverter circuit includes three switching transistor bridge arms, two ends of each switching transistor bridge arm are respectively configured to connect to positive and negative electrodes of the power battery through a direct current bus, and bridge arm midpoints of the three switching transistor bridge arms are separately configured to connect to a three-phase winding of a motor. The bridge arm midpoints of the three switching transistor bridge arms are configured to output a three-phase current, the three-phase current is used to generate a pulse alternating current on the direct current bus, and the pulse alternating current is used to heat the power battery. A current of each phase of the three-phase current is a unipolar triangular wave, and a sum of the three-phase current is zero.

The embodiment of the invention provides a rotor punching sheet. The rotor punching sheet comprises a plurality of magnetic slot units arranged along the circumferential direction of the rotor punching sheet; the rotor punching sheet is provided with a peripheral wall, the peripheral wall comprises a plurality of arc-shaped peripheral wall sections which are sequentially distributed along the circumferential direction of the rotor punching sheet, and one arc-shaped peripheral wall section corresponds to one magnetic slot unit; each magnetic slot unit comprises a first magnetic slot and a second magnetic slot which are arranged along the radial direction of the rotor punching sheet, and the ratio of the minimum distance between the first magnetic slot and the second magnetic slot to the arc length of the arc-shaped circumferential wall section in the circumferential direction of the rotor punching sheet is 0.05-0.08, so that the magnetic circuit saturation position can be changed, and the suppression problem of magnetic circuit saturation on the output performance of the motor is effectively improved.

A snowmobile may have an electric powertrain. The electric powertrain may include one or more electric motors to power movement of one or more endless tracks. The electric powertrain may include a plurality of battery assemblies. At least one of the plurality of battery assemblies may be part of a structural frame of the snowmobile. At least one of the plurality of battery assemblies may be supported by a tunnel of the snowmobile.

Methods, systems, and apparatus for a regenerative braking and powertrain pedal system. The powertrain system includes an electric motor that is configured to generate regenerative energy and provide a regenerative braking torque. The powertrain system includes an electronic control unit coupled to the electric motor. The electronic control unit is configured to cause an accelerator pedal to rotate about its pivot point to increase a total available stroke in response to an energy recovery mode being activated. The electronic control unit is configured to control an amount of the regenerative braking torque to be applied using an accelerator pedal position. The electronic control unit is configured to cause the accelerator pedal to rotate about its pivot point to decrease the total available stroke in response to the energy recovery mode being deactivated.

A snowmobile may include an endless track, an electric powertrain operatively coupled to the endless track and a structural frame including a rear portion including a tunnel and a front portion positioned forward of the tunnel. The snowmobile may include a steering assembly and a straddle seat positioned along the longitudinal axis of the snowmobile over the endless track. The straddle seat may extend longitudinally rearward of the steering assembly. The straddle seat has a longitudinal front extent, a longitudinal rear extent, and a longitudinal mid-point. The snowmobile may include a storage support above the endless track and extending under the straddle seat of the snowmobile. The storage support may be accessible along a longitudinal direction of the snowmobile while the straddle seat is supported by a seat support and may extend longitudinally along the tunnel from a location rearward of the straddle seat to at least forward of the longitudinal mid-point of the straddle seat. The snowmobile may include a cantilevered straddle seat. The snowmobile may include a pass through storage positioned above the skis.

A direct current fast charging (DCFC) control system for a range extended electrified vehicle (REEV) includes a set of DCFC connectors electrically connecting a high voltage battery system of an electrified powertrain of the REEV to a charging port of the REEV and a control system configured to determine an ambient temperature external to the REEV, access a temperature model configured to model a temperature associated with the set of DCFC connectors, wherein the temperature model accounts for heat energy generated by an engine of the electrified powertrain, determine, using the temperature model, a modeled temperature associated with the set of DCFC connectors, and control, based on the ambient temperature and the modeled temperature associated with the set of DCFC connectors, a DCFC current provided by an external DCFC station to a high voltage battery system via a charging port and the set of DCFC connectors.

An undercarriage, a middle large rotor and a middle large motor are connected to the lower portion of a fuselage body and sequentially connected to the top of a middle small tower, and the right front portion, the left front portion, the left rear portion and the right rear portion of the fuselage body are correspondingly connected with a right front fuselage arm, a left front fuselage arm, a left rear fuselage arm, a right rear fuselage arm and a power assembly. The connecting line of the rotating centers of the rotors of the four power assemblies is square or rectangular, the rotating directions of the rotors of the power assemblies at the same opposite angles are the same, the rotating directions of the rotors of the power assemblies at different opposite angles are opposite, and the rotating faces of the two rotors opposite to the middle large rotor in rotating direction incline around the axes of the respective arms. The included angle between the rotating surfaces of the two rotors and the horizontal plane is an acute angle beta, the rotating surfaces of the two rotors with the same rotating direction as the middle large rotor incline around respective arm axes, the included angle between the rotating surfaces of the two rotors and the horizontal plane is an acute angle theta, beta is larger than theta, the reaction torque and the horizontal component torque of the rotors jointly drive the aircraft to steer, and the aircraft has the advantages of being long in endurance time, large in load and high in wind resistance. And a universal flight platform is formed.

A powertrain of a vehicle comprising an electric motor (16) having a drive shaft (11) wherein the drive shaft is oriented preferably perpendicular to the common axis (Aw) of the wheels (18) which the powertrain is intended to drive (i.e. rotate). The drive shaft of the electric motor is mechanically connected to the axles (20, 22) of the wheels, which are aligned with the common axis, via a transmission (10) having at least one pair of mating gears (12, 14), preferably with one of the pair of mating gears being an offset pinion (14), and with the reduction ratio of the transmission being in the range of about 6 to about 15 with the pinion having 2 to 6 teeth.

A system has means for globally coordinating distribution of energy between subsystems in a battery electric vehicle based on a computed energy consumption trajectory for a predetermined route of the battery electric vehicle. The subsystems include at least an electric powertrain, a cooling system, and a cabin air conditioning system. The means for performing the global coordination has system inputs and is associated with a coordination system layer above an optimization system layer and a component control system layer. The means for performing the global coordination is arranged to distribute energy available in a battery of the vehicle to the subsystems in a coordinated manner based on a coordination function using the system inputs based on a cost function considering a must / want energy to be provided to the subsystems via the optimization system layer so as to maximize a user satisfaction for a user of the vehicle while driving and at the same time reach a driving destination on the predetermined route with a predetermined remaining state of charge of the battery.

A vehicle system includes a camera coupled to a controller. The controller includes at least one processor coupled to at least one memory device storing instructions that, when executed by the at least one processor, cause controller to perform operations including: receive data from the camera regarding at least one of an internal or an external condition of the vehicle system; determine that the data is indicative of a certain predefined condition; and adjust operation of a vehicle powertrain based on the determined certain predefined condition.

The invention belongs to the technical field of belt conveyor maintenance, and particularly relates to a belt conveyor carrier roller disassembly and assembly auxiliary operation robot for a coal mine. Comprising a walking part, a power assembly, a carrier roller replacement box, a cab, an auxiliary operation platform and a lifting mechanism, the auxiliary operation platform comprises a posture adjusting platform capable of adjusting the direction, the inclination angle and the height; two groups of sliding telescopic mechanisms with the same telescopic direction are carried on the posture adjusting platform, and are respectively a left sliding telescopic mechanism and a right sliding telescopic mechanism; an action terminal of the left sliding telescopic mechanism carries a belt lifting supporting mechanism, and an action terminal of the right sliding telescopic mechanism carries a multi-degree-of-freedom disassembly and assembly manipulator; the auxiliary operation robot for disassembling and assembling the carrier roller can realize mechanical carrier roller replacement operation under the non-stop state of the belt conveyor, improve the operation efficiency, reduce the operation intensity, ensure the continuity of the coal mining process and ensure the safety and reliability of the carrier roller replacement process.

The invention relates to the technical field of torque converters, in particular to a hydrodynamic transmission power chain optimization method and system.The method comprises the steps that a hydrodynamic torque converter parameterized geometric model is built, and a pump impeller blade outflow angle, a guide wheel runner input / output angle, turbine blade geometric parameters and the relative position of a pump impeller and a turbine are set as design variables; based on CFD three-dimensional flow field simulation, a k-epsilon model is adopted for rapid analysis, an SST model is adopted for transient simulation, and simulation data under different variable combinations are obtained; training a BP neural network by using the simulation data, inputting each design variable, and constructing a multi-target optimization model with maximization of efficiency and minimization of noise as targets; a design variable combination is selected in the Pareto optimal solution set, a model is reconstructed, and an optimized hydraulic torque converter is obtained; according to the method, the problems that the design optimization efficiency of the hydraulic torque converter is low, the parameter adjusting period is long, and good compromise between the transmission efficiency and noise suppression is difficult to obtain can be solved.

An electric vehicle and a powertrain for an electric vehicle are disclosed. According to an embodiment, an electric vehicle includes a steering system with a steering column, and a battery pack having a battery enclosure and a plurality of battery modules housed within the battery enclosure. The battery enclosure defines a slot that extends from at least a top surface of the battery enclosure to receive the steering column.

The invention relates to the technical field of automobile energy supply, in particular to a solid hydrogen storage-fuel cell integrated power assembly system based on dual-mode hydrogen supply, which comprises a hydrogen supply path identification module, a hydrogen storage unit state monitoring module, a linkage path switching module, a fuel cell load matching module and a safe hydrogen discharge regulation and control module. According to the method, the hydrogen supply pressure difference value is obtained by dynamically comparing the pressure of the cavity of the hydrogen storage tank with the pressure of the hydrogen inlet of the fuel cell, the current hydrogen supply path state can be accurately recognized in the early stage, rapid judgment of the hydrogen supply mode and accurate control of path switching are achieved, whether the risk of hydrogen supply interruption exists or not can be effectively screened, and the reliability of hydrogen supply is improved. The switching reliability of a hydrogen supply channel is improved through cross comparison of key state signals of a main channel and a standby channel, and instant response and energy consumption optimization of hydrogen discharge safety regulation and control are guaranteed through a linkage feedback mechanism between the hydrogen concentration change rate in unit time and catalytic converter control power.

The invention relates to the technical field of new energy automobile electric control, and discloses a torque compatible intelligent matching system and method for a new energy automobile, and the system comprises a parameter pre-storage module, an EOL configuration module, a dynamic selection module, a data collection module, a torque calculation module, and an execution output module. A driving system configuration identifier is written in through a vehicle production line EOL terminal to realize hardware adaptation selection; an eagle optimization algorithm is innovatively integrated and improved to construct a historical driving database, an output proportion table is periodically adjusted to improve the driving smoothness, and meanwhile a supplier batch compensation mechanism is established to solve the hardware tolerance problem; fault grading processing is achieved through parameter table dual redundancy check, and torque distribution efficiency is continuously optimized in combination with a full-life-cycle closed-loop self-learning module. According to the scheme, the development cost adaptive to different power systems is reduced, and the core pain points of poor multi-source hardware compatibility, weak working condition adaptability and extensive energy efficiency management of the new energy automobile are solved.

The present application provides a stator core for cooling a winding end, a motor, a powertrain, and an electric vehicle. The stator core comprises a plurality of stator laminations, and the plurality of stator laminations are sequentially arranged adjacently in the axial direction of the stator core to form at least part of the stator core. Each stator lamination comprises a central hole and a plurality of cooling holes, and the cooling holes are arranged at intervals between the central hole and the outer peripheral surface of the stator lamination. The plurality of stator laminations comprise a first lamination and a second lamination arranged adjacent to each other, and each cooling hole of the first lamination is used for being communicated with one cooling hole of the second lamination and used for cooling a stator winding end so as to form a channel for a cooling medium to flow. In at least one direction of the radial direction or the circumferential direction of the stator core, each cooling hole of the first lamination is eccentrically arranged relative to one corresponding cooling hole of the second lamination communicated with the cooling hole of the first lamination. The stator core can reduce the cross-section of the channel for the cooling medium to flow and improve the flow speed of the cooling medium.

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.

A flat towing technique for an electrified vehicle includes in response to a request for and during a flat towing operation, monitoring at least a back electromotive force (EMF) generated by an electric motor of the electrified powertrain, performing field weakening control of the electric motor such that the back EMF generated by the electric motor during the flat towing operation maintains a high voltage bus that powers the electric motor at a target voltage level, selectively isolating a high voltage battery system of the electrified powertrain from the high voltage bus based on a desired capacity of the high voltage battery system, and adjusting the target voltage level for the high voltage bus based on respective lower limits for electric motor speed and high voltage bus voltage and when the high voltage battery system is isolated from the high voltage bus.

An aircraft system includes an electrified powertrain having a first power module and a second power module. The aircraft system further includes a thermal management system having a thermal fluid loop for conveying a thermal fluid. The first power module and the second power module are in thermal communication with the thermal fluid loop. The thermal management system further includes a heat exchanger in thermal communication with the thermal fluid loop upstream of the first power module and the second power module such that the thermal fluid from the heat exchanger is partitioned between the first power module and the second power module.

A control system for an electrified powertrain of an electrified vehicle includes a set of sensors configured to monitor a set of operating parameters of the electrified vehicle, each operating parameter of the set of operating parameters being related to the enablement / disablement of a power dissipation mode of the electrified powertrain and a control system configured to receive, from the set of sensors, the set of operating parameters, determine whether to enable / disable the power dissipation mode of the electrified powertrain based on the set of operating parameters, and determine a target power dissipation for the electrified powertrain and, when the power dissipation mode is enabled, control a set of power dissipation systems to achieve the target power dissipation and thereby reduce a thermal load on a friction brake system of the electrified vehicle.