52results about How to "Improve fuel economy" patented technology

The present application relates to the technical field of power distribution control, and particularly relates to a power intelligent dynamic distribution method for a skid steer loader based on multi-working condition identification. The method comprises the following steps: performing skid steer loader multi-modal operation characteristic analysis on power states of skid steer loader multi-source operation data to generate skid steer loader multi-modal operation characteristic data; performing skid steer loader working condition characteristic analysis on the skid steer loader multi-modal operation characteristic data to generate skid steer loader working condition characteristic data; performing power demand characteristic analysis on working condition dynamic change trends based on skid steer loader real-time operation data and the skid steer loader working condition characteristic data to generate working condition dynamic change trend power demand characteristic data; and performing skid steer loader power distribution and dynamic optimization processing based on the working condition dynamic change trend power demand characteristic data to generate skid steer loader power distribution dynamic optimization data. The present application realizes efficient and energy-saving intelligent distribution of power under multi-working conditions of a skid steer loader.

The utility model provides an automobile front bumper and an automobile, and relates to the technical field of automobiles. The automobile front bumper comprises a protective bumper and a license plate frame, wherein the protective bumper is provided with a winch hole; at least part of the license plate frame is movably arranged in the capstan hole, so that the capstan hole can be at least switched between the shielding state and the non-shielding state. Through linkage cooperation of the license plate frame and the capstan hole, the license plate frame and the capstan hole can be arranged at the same position of the protective bar, the space of the front bar is effectively utilized, and the problem that the size of a traditional front bar is too large due to installation of a capstan is solved.

The utility model relates to an electromagnetic retarding dual-motor second-gear power uninterrupted driving integrated system, which comprises a first motor, a first input shaft, a first constant mesh gear set, a first intermediate shaft and a first gear shifting set which are connected in sequence, the first normally engaged gear set is connected with the first gear shifting set through the first intermediate shaft. The second motor, the second input shaft, the second constant mesh gear set, the second intermediate shaft and the second gear shifting set are connected in sequence, the second motor is connected with the second constant mesh gear set through the second input shaft, and the second constant mesh gear set is connected with the second gear shifting set through the second intermediate shaft at the same time; an output gear and an output shaft are further included, the first gear shifting set and the second gear shifting set are both meshed with the output gear, and the output gear is connected to the output shaft in a sleeving mode and drives the output shaft to rotate. A plurality of gears connected with the first motor and the second motor respectively form two symmetrical modules, so that the maintenance is more convenient.

This invention provides a hybrid-type cotton harvester and its control method, including a hybrid-type hybrid system. The hybrid-type hybrid system includes an engine, a gearbox, a coupling device, a differential, a generator, a battery, a main controller, a travel motor controller, a picking motor controller, a fan motor controller, a baling motor controller, a cotton collecting motor controller, and a conveying motor controller. The engine transmits power to the coupling device via the gearbox, the coupling device couples the power of the engine and the travel motor, and then transmits the power to the wheels via the differential. This invention achieves mechanical decoupling between the various working systems of the cotton harvester through distributed electric drive, solving the problems of numerous components, long paths, and inability to adjust operating parameters in real time in traditional cotton harvester transmission systems. It results in low fuel consumption, low pollution, and high energy efficiency, balancing the machine's range and energy saving, and enabling switching between different modes, thus improving the overall fuel economy and dynamic performance of the vehicle.

The application provides a shift control method and a control system of a fuel cell electric vehicle, and belongs to the technical field of fuel cell electric vehicle control, and solves the problem that the AMT control strategy in the prior art cannot effectively save energy and reduce emissions. The method comprises the following steps: obtaining the throttle opening degree, upshift speed and downshift speed of the AMT shift strategy in the vehicle power system during vehicle driving; based on the target of the lowest fuel consumption per 100 kilometers of the vehicle, the throttle opening degree, upshift speed and downshift speed are optimized in real time; the AMT is controlled to execute the optimized upshift speed and downshift speed to shift, and the fuel cell is controlled to execute the optimized throttle opening degree during shifting; the vehicle power system is calculated according to the optimized throttle opening degree, upshift speed and downshift speed, the optimized fuel consumption per 100 kilometers of the vehicle is output and displayed.

The application discloses a range extender control method, device, equipment, vehicle and storage medium, and belongs to the technical field of vehicle control. The method comprises the following steps: acquiring road condition information on a vehicle driving route; generating a range extender control strategy according to the road condition information; correcting a SOC threshold value of the range extender according to the range extender control strategy; and controlling the range extender to work based on the corrected SOC threshold value. In the application, the range extender works at an optimal power before the vehicle enters a low-speed driving mode, charges a power battery, and keeps the SOC value of the power battery in a high range. When the vehicle enters the low-speed driving mode, the working time of the range extender at low power is reduced, the range extender does not need to generate power at medium and high powers, fuel economy and driving comfort are improved.

This utility model discloses an engine cylinder head and its electronic fuel injection system, including a cylinder head body. The cylinder head body has an intake manifold, an exhaust manifold, and a connecting surface for connection and mating with the engine block. The cylinder head body has a fuel jet channel communicating with the intake manifold. A cylinder head fuel jet clearance groove is provided on the inner wall of the intake manifold near the inner end of the fuel jet channel. An intake valve is installed on the cylinder head body, with its valve head installed in an intake valve seat hole. An intake pipe is installed on the cylinder head body on one side of the intake manifold. An injector seat is provided on the intake pipe, and an injector mounting hole communicating with the fuel jet channel is provided on the injector seat. An injector is installed in the injector mounting hole, and the linear distance between the injector nozzle and the center of the valve head is 70mm to 110mm. By precisely defining the position and mating relationship between the components, the overall performance of the engine is maximized.

This utility model discloses a core structure for a high-energy ignition coil used in automobiles, including a core structure installed inside the ignition coil housing. The core structure comprises a magnetic sheet, a primary coil, a secondary coil, and a toroidal core. The magnetic sheet is embedded in the primary coil, which is interference-fitted into the secondary coil. The toroidal core simultaneously surrounds both the primary and secondary coils and is tightly fitted to the magnetic sheet. The end of the primary core furthest from the magnetic sheet is tightly fitted against the toroidal core. The closed magnetic circuit structure of the toroidal core concentrates the magnetic field almost entirely within the core, resulting in minimal magnetic leakage, uniform magnetic field distribution, low magnetic reluctance, and high magnetic flux density. This leads to high energy conversion efficiency, minimal energy loss, and the efficient energy conversion capability enables the ignition coil to generate higher secondary voltage and stronger spark energy. It is suitable for lean-burn and high-performance engines, ensuring reliable ignition and better fuel economy.

This invention discloses a simulated loading system, a simulated loading method, and a storage medium, relating to the field of excavator power matching and debugging technology. The simulated loading system includes a hydraulic main pump, a control valve, a power source, a proportional relief valve, a speed sensor, a first pressure sensor, a second pressure sensor, a flow meter, and control components. The hydraulic main pump is driven by the power source. The speed sensor is used to detect the speed value of the power source. The first pressure sensor and the flow meter are located at the output end of the hydraulic main pump to detect the output pressure and output flow of the hydraulic main pump, respectively. The inlet of the proportional relief valve is connected to the outlet of the control valve. The proportional relief valve is used to simulate the actual load on the actuator by adjusting its own opening. The second pressure sensor is located at the inlet of the proportional relief valve to detect the pressure value at the load end. This system can controllably simulate the actual load on the actuator during the excavator power matching and debugging stage and improve the power matching accuracy between the hydraulic main pump and the power source.

The present application relates to the field of agricultural machinery control technology, and particularly relates to a hybrid power tractor intelligent power distribution method based on multi-domain joint control, comprising the following steps: S1, collecting power domain, chassis domain and operation domain data of the hybrid power tractor, and constructing a multi-domain perception graph reflecting current working condition requirements; S2, based on the multi-domain perception graph and power data, fusing operation energy-saving priority and traction load, and constructing a multi-source power supply and demand mapping model; S3, according to the supply and demand mapping model, selecting an optimal driving mode, combining the efficiency, energy and thermal load of each power source, outputting driving switching logic and power distribution instructions, and realizing intelligent power scheduling. The present application realizes intelligent driving mode switching and efficient power distribution of the hybrid power tractor under different working conditions, and improves operation energy efficiency and system response capability.

The utility model provides a hybrid power driving system and a vehicle, and relates to the technical field of hybrid power vehicles. The hybrid power driving system comprises a motor, an engine and a planet wheel mechanism, the motor is provided with a first input shaft, the engine is provided with a second input shaft, the second input shaft is connected with the planet wheel mechanism, a first gear set is arranged between the first input shaft and the second input shaft, and a second gear set is arranged between the first input shaft and the planet wheel mechanism. The first input shaft is connected with a synchronizer, and the synchronizer is configured to move between a first position and a second position. According to the hybrid power driving system provided by the embodiment of the invention, the movable synchronizer is selectively coupled with the first gear set and the second gear set, so that linkage of the engine and the motor in different working modes can be realized, and the functions of motor driving, engine driving and electric energy recycling of the motor are realized; and therefore, the power performance and the fuel economy of the system are improved.

The utility model relates to the technical field of frame support, concretely is the light weight anticollision support subassembly of frame assembly, including the support beam of installing in the side surface of longitudinal beam, and the both ends of longitudinal beam are connected with the crossbeam for fixing longitudinal beam, the outer surface of support beam is equipped with through -hole, the upper surface of support beam is equipped with guide slot, in the utility model, the plug -in column is inserted with the side surface of longitudinal beam, ensures that support beam can be connected to the longitudinal beam quickly and firmly, through this mode, the assembly personnel can complete the installation of support beam in short time, lay the foundation for the subsequent fastening work, the guide rod penetrates support beam, plays the guiding role in the installation process, ensures that support beam can move to the predetermined position, through the electric wrench screwing screw column, can adjust the interval between extruding seat and support beam, makes the angle between articulated rod and support beam reduce, namely can make the plug -in column of socket outward slide and complete, complete the quick -mounting of device.

The application provides a pre-ignition control method and device of a vehicle range extender and a vehicle. The pre-ignition control method comprises the following steps: in response to a pre-ignition trigger signal sent by an EMS system of the vehicle for the range extender, the range extender is controlled to suppress pre-ignition of the range extender by means of idling charging, so that the range extender enters a first pre-ignition control mode; after the range extender enters the first pre-ignition control mode, an accelerator pedal sensor is used to acquire an accelerator signal parameter corresponding to a current time; it is judged whether the accelerator signal parameter meets a first predetermined condition; if yes, the range extender is controlled to operate in a normal charging mode, so that the range extender exits the first pre-ignition control mode and enters a normal control mode. Through the above method, the fuel economy of the range extender in the range-extending vehicle is improved, and the service life of the range extender is increased.

The present application relates to the technical field of lubricating oil, and discloses energy-saving and wear-reducing low-volatility lubricating oil for diesel vehicles and a preparation method thereof, which comprises the following raw materials in parts by mass: poly-α-olefin copolymer 40-50 parts, benzoic acid 1.5-2 parts, alkyl alcohol amide 1-1.5 parts, dibutyl hydroxytoluene 1-1.5 parts, composite additive 2-3 parts, polymethyl methacrylate 1-2 parts, and bis(hexafluoroisopropyl) phosphate 1-2 parts. The energy-saving and wear-reducing low-volatility lubricating oil formed by mixing the poly-α-olefin copolymer, benzoic acid, alkyl alcohol amide, dibutyl hydroxytoluene, composite additive, polymethyl methacrylate and bis(hexafluoroisopropyl) phosphate has high wear-resistant lubricating performance, and the surface of the composite additive contains a copolymer of triethylene glycol divinyl ether and dodecene, so that the composite additive can be uniformly dispersed in the lubricating oil system to play the wear-resistant lubricating performance.

The application discloses a cylinder structure of a two-stroke engine, comprising: a cylinder body, which is internally provided with a combustion chamber, an air inlet and an air outlet; two main scavenging channels and two auxiliary scavenging channels are symmetrically arranged on the cylinder body about the center line L of the air outlet; the included angle formed by the extension line of the side wall of the two main scavenging channels close to the center line L is θ1, the included angle formed by the extension line of the side wall of the two main scavenging channels away from the center line L is θ2; the included angle formed by the extension line of the side wall of the two auxiliary scavenging channels close to the center line L is θ3, and the included angle formed by the extension line of the side wall of the two auxiliary scavenging channels away from the center line L is θ4; wherein the extension lines of θ1, θ2, θ3 and θ4 intersect on the center line L, and satisfy the relationship θ2-θ1≥θ4-θ3. In some embodiments, the included angle of the main scavenging channel from the top to the bottom of the side wall is θ5, 93°<θ5<98°.

The utility model relates to the technical field of automobile wire and discloses high-soft high-strength copper-clad steel automobile wire for business car, include: conductor unit and insulating sheath, the insulating sheath is covered in the outside of conductor unit, the conductor unit includes inner stranding layer and outer stranding layer, the outer stranding layer concentric stranding constitutes with inner stranding layer, the outer stranding layer is stranding in the outside of inner stranding layer, the inner stranding layer is stranding constitutes by tensile metal wire, the outer stranding layer is stranding constitutes by conducting wire; The insulating sheath includes first insulating layer, metal braid, stress release ring and second insulating layer. The utility model discloses by setting up by tensile metal wire and conducting wire respectively stranding constitutes and concentric stranding's inner, outer stranding layer, guarantees conductivity and promotes tensile strength and flexibility, solves the problem that pure copper conductor wire is easy to break, reduces weight and improves efficiency, also overcomes the problem of aluminum conductor space occupation, and the outer layer insulating sheath structure realizes excellent insulation and mechanical protection, reduces the risk of breakage.

This invention discloses a hydraulic mechanical continuously variable transmission (CVT) mechanism and its control method. The CVT mechanism includes a drive motor, a hydraulic mechanism, a first clutch, a second clutch, a third clutch, and a control unit. The input end of the first clutch is connected to the engine output shaft, and the output end of the first clutch is connected to the drive axle. The input end of the second clutch is connected to the engine output shaft, and the output end of the second clutch is connected to the input end of the hydraulic mechanism, which in turn is connected to the drive axle. The output end of the drive motor is connected to the input end of the third clutch, and the output end of the third clutch is connected to the drive axle. This invention avoids hydraulic power backflow, improves the efficiency of the tractor's power transmission system, and enhances engine fuel economy.

The utility model relates to the field of bulldozers, in particular to a power transmission system for bulldozers and bulldozers. The power transmission system comprises: an engine; a transfer case, a first clutch is arranged between the engine and the transfer case; a hydraulic pump, connected with the transfer case, a second clutch is arranged between the transfer case and the hydraulic pump; a final drive structure, connected with the hydraulic motor, and the hydraulic motor is connected with the hydraulic pump; a generator, drivingly connected with the transfer case, and configured to generate electricity or drive the transfer case to act under the driving of the transfer case; a third clutch is arranged between the generator and the transfer case, and the generator is electrically connected with a power battery. The power transmission system for bulldozers can realize multi-mode hybrid power driving, and enhance the fuel economy of the vehicle; meanwhile, the engine and the generator both transmit power through the transfer case, and can more conveniently realize electricity generation, pure electric driving and double-machine driving mode.

Provided is a liner for a pressure vessel, the liner being constituted from a fiber-reinforced composite material containing a cured product of a thermosetting resin or a thermosetting resin composition, and continuous reinforcing fibers. Also provided is a high-pressure gas storage tank provided with the liner.

The invention relates to the technical field of hybrid electric vehicle train energy management, and particularly discloses a self-adaptive weight dynamic planning hybrid electric vehicle train energy management method, which comprises the following steps: road network reconstruction: obtaining gradient information of a vehicle by using a terminal and a map of an Internet of Vehicles service system; calculating feasible regions: calculating the maximum acceleration and the minimum acceleration reached by the vehicles on each road section, and iterating to obtain the feasible regions of all the road sections in front; establishing a pre-planning cost function model: determining the vehicle speed as a dynamic planning algorithm state variable, and establishing the pre-planning cost function model; performing one-dimensional dynamic planning on the vehicle speed; optimizing by using a DP (Decentralized Performance) algorithm, namely performing iterative calculation in a speed feasible region by using a state transition equation; updating a self-adaptive weight and cost function; vehicle speed and SOC dynamic planning; vehicle speed planning and SOC execution are carried out, and optimal energy efficiency cruise control is carried out; the method is adaptive to the gradient working condition, multi-target performance is considered, the overall performance is improved through collaborative planning, and the driving smoothness and dynamic response consistency are improved.

The application provides a power uninterrupted continuously variable hybrid transmission, and relates to the technical field of automobile transmission.The scheme is that the continuously variable hybrid transmission comprises a transmission body, a first gear shifting device, a second gear shifting device, a third gear shifting device and a fourth gear shifting device are sequentially arranged from the input end to the output end of the central shaft, the second gear shifting device is arranged between the tenth transmission gear and the eleventh transmission gear of the first hollow shaft, the third gear shifting device is arranged between the fifth transmission gear and the sixth transmission gear of the second hollow shaft, the fourth gear shifting device is arranged at the left end of the front planet carrier, the rear planet carrier is connected with the second hollow shaft and the central shaft through bearings and splines respectively, and the front planet carrier is connected with the second hollow shaft through a bearing.The application has the effects that the gear shifting frequency is reduced, the output power is uninterrupted during the whole vehicle gear shifting process, the continuously variable transmission function is achieved, the gear shifting jerk is eliminated, and the comfort, economy and safety of the whole vehicle are improved.

The invention is suitable for the technical field of automobile aerodynamics, and provides a self-adaptive flexible spoiler experimental development method under a yaw working condition, and the method comprises the steps: arranging and driving a flexible spoiler in a wind tunnel; the parameters of the spoiler are optimized with the wind resistance coefficient as the target at the multiple yaw angles; designing a piecewise linear rule controller based on an optimization result; pressure monitoring points are arranged on the two sides of a vehicle body, the regression relation between the pressure difference and the yaw angle is established, and the yaw angle is recognized in real time; developing a self-adaptive resistance reduction optimization program, driving the spoiler to be adjusted to the optimal form in real time according to the identified yaw angle, and verifying the resistance reduction effect of the spoiler; a mathematical method is used for calculating the curved surface shape of the spoiler, and reference is provided for automobile appearance design. Aerodynamic configuration self-adaptive adjustment of the vehicle under the crosswind working condition can be achieved, the wind resistance optimization capacity of the real vehicle in the running process is remarkably improved, and an effective experimental method and design basis are provided for low-wind-resistance development of the vehicle.

This invention discloses an unlocking control method for a center-lock variable valve timing system, comprising: S1: After obtaining an unlocking command and meeting the unlocking conditions, proceeding to S2; S2: Obtaining the current duty cycle, controlling the current duty cycle for time t1 in an open loop, and obtaining the current phase of the camshaft in real time. If the phase difference between the current phase and the initial phase is greater than or equal to a deviation threshold, unlocking is successful, and the current duty cycle is controlled in a closed loop to adjust the current phase to the target phase; otherwise, unlocking fails, proceeding to S3; S3: Adjusting the current duty cycle to the first duty cycle time t2; S4: Adjusting the current duty cycle for time t3 according to the oscillation-assisted unlocking rule, and obtaining the current phase in real time. If the phase difference is greater than or equal to the deviation threshold, unlocking is successful, and the current duty cycle is controlled in a closed loop to adjust the current phase to the target phase; otherwise, unlocking fails, and a fault code is reported. This method can shorten the unlocking time under normal conditions and reduce overshoot, thus reducing the phenomenon of failure to unlock.

The present application relates to a multi-material composite parallel layered bead structure and design method, and belongs to the field of tire structure and manufacturing method thereof. The cross-sectional shape of the bead is hexagonal, the bead is composed of multiple composite layers stacked along the radial direction of the cross-section of the bead, the multiple composite layers contain at least two material layers with different elastic moduli, and the elastic modulus of each material layer is gradiently distributed along the radial direction of the cross-section of the bead; the laying direction of each material layer is parallel to the bottom side of the hexagonal cross-section, forming a parallel composite layered structure. The present application gradiently lays and arranges multiple materials with different elastic moduli along the radial direction of the cross-section of the bead, actively adjusts the stress proportion of each load-bearing layer, promotes the balanced distribution of the hoop tension in the full cross-section range, and thus improves the fatigue resistance quality and service life while maintaining the overall load-bearing capacity of the bead.

This utility model provides a commercial vehicle axle assembly structure, including an axle tube, a mounting base, and a base plate. The mounting base is rotatably connected to the end of the axle tube, and the base plate is fixed to the axle tube. The mounting base is connected to a gear ring, and an ABS sensor is mounted on the base plate. The gear ring is positioned opposite to the ABS sensor, and a fixing plate is connected to the side wall of the ABS sensor. The fixing plate has a mounting hole. The assembly also includes a positioning post made of plastic. The base plate has a positioning hole, which corresponds to the mounting hole. An elastic hook is connected to the end of the positioning post, and a pressure plate is connected to the outer wall of the positioning post. The positioning post passes through the mounting hole and into the positioning hole, causing the elastic hook to abut against the surface of the base plate and the pressure plate to abut against the fixing plate. This achieves the goal of overcoming the influence of harsh environments and enabling convenient and reliable installation and removal of the ABS sensor.

The present application relates to the technical field of vehicle speed prediction, and particularly relates to a vehicle speed prediction method based on error synchronous prediction. The present application firstly establishes a vehicle speed prediction model based on multiple standard working conditions; then, by using the prediction error obtained by the vehicle speed prediction model, error prediction models based on RBF neural network and Markov chain model are respectively established to synchronously predict the vehicle speed prediction error, and then correct the vehicle speed prediction result. The vehicle speed prediction method of the present application considers the prediction error and is more accurate. The present application uses RBF neural network and Markov chain model to synchronously predict the prediction error and correct the vehicle speed prediction result, thereby effectively improving the vehicle speed prediction accuracy. By synchronously predicting the vehicle speed prediction error and correcting the vehicle speed prediction result, the vehicle speed prediction accuracy can be effectively improved, and the fuel economy of the vehicle is improved.

An integrated system for uninterrupted power delivery via an electromagnetically controlled dual-motor three-speed drive includes a first motor, a first planetary gear set, and a first shift group connected in sequence, as well as a second motor, a second planetary gear set, and a second shift group connected in sequence. It also includes an output shaft, with both the first and second shift groups connected to the output shaft to output power. The first motor is connected to the first planetary gear set via a first input shaft, the first planetary gear set is connected to the first shift group via a first intermediate shaft, and the first shift group is connected to the output shaft via a driven gear set. The second motor is connected to the second planetary gear set via a second input shaft, the second planetary gear set is connected to the second shift group via a second intermediate shaft, and the second shift group is also connected to the output shaft via a driven gear set. This invention, through the ingenious combination of planetary gear sets and parallel shafts, achieves a minimization of size while maintaining powerful functionality, providing greater spatial freedom for vehicle design.

The utility model belongs to the technical field of pickup truck empennages, and mainly relates to a pickup truck high-cover empennage with a lamp, which is used for being arranged at the top end of the tail of a vehicle and comprises a mounting seat fixed on the vehicle and an empennage plate fixed on the mounting seat, and the empennage plate inclines upwards to increase the downward pressure of the tail of the vehicle. A lighting lamp and a steering lamp are arranged on the mounting base, and a vehicle supplies power to the lighting lamp and the steering lamp. On the premise that the aerodynamic performance of a traditional empennage is not weakened, the empennage is endowed with new functions through integrated design, and the empennage is converted into a multifunctional vehicle-mounted module from a single-performance component, so that the requirement of a user for vehicle controllability is met, practicability and safety are improved through lamplight integration, and the empennage is suitable for popularization and application. And the problem of single function is fundamentally solved.

The invention discloses an electromagnetic valve closed-loop control system of an engine variable displacement oil pump, and relates to the technical field of pressure control. According to real-time engine oil temperature and pressure dynamic evolution characteristics in a hydraulic medium state, engine oil equivalent viscosity is determined, and oil pressure regulation control reference information is generated; the duty ratio adjusting module is used for dynamically adjusting the response sensitivity of a pressure adjusting loop according to the equivalent viscosity of engine oil based on the oil pressure adjusting control reference information so as to adapt to the movement damping change of the hydraulic medium in different temperature states, and a target control duty ratio signal of the electromagnetic valve is obtained; the flutter superposition module is used for matching a corresponding flutter frequency and a corresponding flutter amplitude value according to the equivalent viscosity of the engine oil, loading the flutter frequency and the flutter amplitude value to a target control duty ratio signal of the electromagnetic valve and generating an electromagnetic valve driving control instruction; and the engine lubrication consistency and the fuel economy are improved.

This invention discloses an engine intake mechanism, an engine system, and a vehicle, belonging to the field of engine technology. The engine intake mechanism of this invention makes the inner wall of the airflow guide passage smoother; in other words, there are no geometric abrupt changes in the inner wall of the airflow guide passage. This reduces flow losses in the airflow guide passage, resulting in smaller variations in airflow velocity. Consequently, the airflow pressure and velocity at the turbocharger inlet are more uniform, improving aerodynamic efficiency and thus increasing boost efficiency. The engine system and vehicle of this invention, by applying the aforementioned engine intake mechanism, can improve the engine system's power performance and fuel economy, and enhance the driving experience.