1580results about "Vehicle body streamlining" patented technology

The present disclosure relates to an air flap apparatus for a vehicle, which is improved to prevent an air flap from being rotated by a traveling wind generated when the vehicle travels at a high speed. The air flap apparatus for a vehicle includes a frame disposed behind a grill of a vehicle, an air flap that opens or closes an air inlet formed in the frame, a power transmission unit that is connected to the air flap and rotates the air flap, and a driving unit that is disposed outside the frame and generates power, wherein the power transmission unit includes a link that is connected to the air flap and rotates the air flap, and a loader that is connected to the driving unit, is rotated by the power generate by the driving unit, and stops movement of the link when the air flap closes the air inlet.

A motor vehicle comprising a rear wheel and a body having a floor arranged to face a ground during use is disclosed, the floor having a rear end portion defining a diffuser to expand an underlying aerodynamic flow, thereby generating downforce, and a rear wheel arch defining an underlying wheel well housing the rear wheel. The motor vehicle further comprises a duct extending through the body from an inlet to an end section having an opening discharging onto the wheel well between the rear wheel and an intermediate portion of the diffuser according to a pitch axis of the motor vehicle.

A vehicle comprising having a vehicle body including a lower side, a rear quarter window and a rear spoiler garnish, the vehicle defining an inner passenger compartment; a D-pillar garnish configured to be mounted on the vehicle body between the rear spoiler garnish and the lower side of the vehicle, the D-pillar garnish including an outer garnish body having a first predetermined curvature portion; and an inner garnish body. The rear spoiler garnish includes an outer rear spoiler garnish and an inner rear spoiler garnish, the inner rear spoiler garnish having a second predetermined curvature portion. A gap is defined between a rear edge of the outer garnish body and a lower edge of the rear spoiler garnish, and the first predetermined curvature portion and the second predetermined curvature portion defining a convoluted flow path through the gap.

An adjustable ride height vehicle aerodynamic system comprises an aerodynamic element ride actuator and an aerodynamic element angle actuator connected in series and mounted in a vehicle. An aerodynamic element is adapted to rest in an inactive stowed position and to move from the stowed position to at least one active deployed position at an angle in relation to a vehicle underbody under the control of the aerodynamic element angle actuator to alter vehicle aerodynamic characteristics. The aerodynamic element ride actuator is adapted to extend and retract synchronously with a respective vehicle ride height increase and decrease, and the aerodynamic element angle actuator is adapted to extend and retract respectively to deploy and to stow the aerodynamic element.

An active air flap system for a vehicle is provided. The system includes an exterior surface having at least one or more openings, a housing provided on a rear side of the exterior surface, a flap rotatably mounted on the housing, and a driving section rotating the flap to open and close the openings. The driving section has a dual link structure including a first link moving in a vertical direction and a second link connecting the first link and a flap linkage forming an operating shaft of the flap, so that when the flap is operated, the rotation angle of the flap is increased, and interference between the flap and the bumper is prevented from occurring.

An aerodynamics control system for a vehicle may include a repositionable aerodynamic device disposed at a portion of the vehicle, a controller operably coupled to components or sensors of the vehicle to receive information including vehicle performance data and position information for the aerodynamic device, and a vehicle location sensor determining location information for the vehicle. The controller stores the vehicle performance data and the position information in association with the location information for each of a plurality of locations. Responsive to detecting an approach of the vehicle to one of the locations, the controller provides a control instruction to position the aerodynamic device based on recorded vehicle performance data and recorded position information associated with the one of the locations.

The embodiment of the invention discloses an empennage control method and device, a controller, a vehicle and a storage medium. The method comprises the steps of predicting an empennage opening angle corresponding to a target vehicle based on vehicle driving information of the target vehicle; and according to the empennage opening angle, controlling an empennage configured on the target vehicle to perform angle adjustment. Therefore, according to the vehicle driving information of the target vehicle, the empennage opening angle conforming to the actual driving state of the vehicle can be generated, the generated empennage opening angle can be any angle, accurate control over the electric empennage of the vehicle is achieved, and the empennage control efficiency is improved.

The invention belongs to the technical field of vehicle fairing control, and particularly discloses a vehicle fairing control method and system fusing oil consumption and wind resistance, a terminal and a medium. Comprising the steps that the speed, fuel consumption parameters and wind pressure parameters of a vehicle in the running process are obtained, and fuel consumption change parameters and wind pressure distribution characteristic parameters are extracted; a multivariable optimization model with the minimum comprehensive energy consumption as the target is constructed; based on the model, a model prediction control algorithm is adopted to solve the optimal control quantity of the attitude of the fairing in a prediction time domain, and control instructions of the angle and the deflection direction are generated; when environmental disturbance or attitude response deviation is detected, dynamically adjusting a target function weighting coefficient or an input penalty factor to correct control output; and adjusting the posture of the fairing in real time according to the corrected control instruction. Through fusion modeling of fuel consumption parameters and wind pressure characteristic information, predictive control and self-adaptive adjustment of the attitude of the vehicle fairing are realized, and fuel economy and aerodynamic performance can be considered under multiple working conditions.

The present invention relates to a spoiler for a vehicle and a vehicle equipped with the same. The spoiler comprises a spoiler; a linkage mechanism connected to the spoiler to drive its movement; a base adapted to be fixed to the vehicle's tailgate, the base having a linkage mounting groove formed therein for accommodating the linkage mechanism; and a connecting bracket fixed to the bottom of the linkage mounting groove, securing the linkage mechanism to the tailgate via the connecting bracket. The spoiler of the present invention optimizes the load transfer path and prevents deformation and damage to the tailgate.

A vehicle including a chassis, a cab coupled to the chassis, the cab having a front face, a body coupled to the chassis, and a shroud coupled to the cab such that an internal volume is defined between the cab and the shroud, the shroud at least partially defining: a first inlet positioned along a front side of the shroud and in fluid communication with the internal volume, and a second inlet arranged such that airflow along the front face of the cab enters the internal volume through the second inlet.

A passive vehicle drag reduction system including an airflow capture inlet, a flow consolidating conduit, an air driven rotor assembly, and one or more flow exhaust conduits. The airflow capture inlet defines an airflow capture inlet direction. The flow consolidating conduit is close sided. The air driven rotor assembly has a rotor assembly inlet and an air driven rotor. The rotor assembly inlet defines a rotor airflow inlet direction. The air driven rotor has a laterally extending rotation axis transverse to the rotor airflow inlet direction and one or more air redirecting blades defining one or more rotor airflow outlet directions substantially parallel to the rotation axis. Each of the one or more flow exhaust conduits has a redirecting exhaust outlet located laterally of the air driven rotor assembly. The redirecting exhaust outlet defines an exhaust outlet airflow direction that is substantially parallel to the airflow capture inlet direction.

The invention relates to a mobile device communication method and device, a mobile device, a readable storage medium and a program product. The mobile device comprises an empennage which is provided with an antenna array and is adjustable in pitching angle; the method comprises the following steps: determining a target pitch angle of an empennage required by the mobile device for satellite communication; according to the moving information of the moving device in the moving process, the acting moment borne by the empennage in the moving process is determined; adjusting the pitch angle of the empennage to a target pitch angle according to the acting moment; and under the condition that the empennage is at the target pitch angle, adjusting the phase difference between communication signals of each antenna unit in the antenna array so as to perform satellite communication for the mobile device through the antenna array. The method can improve the communication efficiency of the mobile device.

The utility model provides an active air-inlet grille and a vehicle, and relates to the field of vehicle parts, the active air-inlet grille comprises a frame body, blades, a connecting rod mechanism, a fixing support and an actuator, a driving shaft of the actuator and a first connecting rod are fixed at a first connecting point, and one end of a second connecting rod is rotatably connected with the first connecting rod around a second connecting point; the two ends of the third connecting rod are rotationally connected with the fixing support and the fifth connecting rod respectively, the two ends of the fourth connecting rod are rotationally connected with the fixing support and the fifth connecting rod respectively, and the fifth connecting rod is connected with the blades. When the blade closes the air inlet, the first connecting point, the second connecting point and the third connecting point are all located on a first straight line, and the first straight line is tangent to a circle with the fourth connecting point as the circle center and the distance between the fourth connecting point and the third connecting point as the radius. Self-locking of the blades in the closed state can be achieved, and an actuator is not prone to being damaged.

A commercial vehicle having various GVWR configurations with a vehicle body with two or more axles, and a cab that does not pivot relative to the vehicle body, and a battery-electric-powered or hydrogen-electric-powered propulsion system. The vehicle has a center of gravity that is substantially lower, and a track width which is substantially narrower, than an articulating tractor-trailer combination with a trailer size comparable to the vehicle body of the present invention, providing substantially increased stability, and with all axles preferably being steerable E-axles, substantially improving the turning and trailing of the vehicle. Additional attributes are improved safety, increased payload weight and cubic capacity, higher productivity and lower maintenance costs. Many other advantages flow from this vehicle design.

The utility model relates to a cab, a chassis and a light truck, the cab comprises a driving compartment and a steering mechanism, the driving compartment is provided with a cab, the driving compartment comprises a front portion and side portions located on the two sides of the front portion, wheel openings are formed in the side portions, the wheel openings are used for being matched with front wheels, the wheel openings and the front wheels are concentrically arranged, and the steering mechanism comprises a steering wheel arranged in the cab. In the X direction, the value range of the maximum size L4 of the driving compartment is larger than or equal to 1550 mm and smaller than or equal to 1950 mm, the distance between the center point of the steering wheel and the center point of the wheel opening is L11, and the value range of L11 is larger than or equal to-65 mm and smaller than or equal to 335 mm. Wherein L11 is a negative value when the center point of the steering wheel is located on the side, close to the front portion, of the center point of the wheel opening, and L11 is a positive value when the center point of the steering wheel is located on the side, away from the front portion, of the center point of the wheel opening. According to the cab in the embodiment of the invention, the layout of the cab can be reconstructed, a design space is reserved for forming a streamline structure at the front part of the cab in a limited space, and the design of the low-wind-resistance cab is conveniently realized.

A passive jet system for disrupting an airflow at a surface of a front wheel for a vehicle includes a duct including an inlet exposed to an airflow, an outlet fluidically directed toward a forward surface of the front wheel, and a passage having a flow-accelerating profile operable to increase a velocity of the airflow passing from the inlet toward the outlet.

A method for drift detection and control for a vehicle may include determining an intentional drift probability of the vehicle based at least in part on one or more occupant inputs. The method further may include determining an initial aero bias upper bound using a first control system. The method further may include determining an initial aero bias command using a second control system. The method further may include determining a final aero bias upper bound based at least in part on the intentional drift probability, the initial aero bias upper bound, and the initial aero bias command. The method further may include controlling one or more aerodynamic actuators of the vehicle based at least in part on the final aero bias upper bound and the initial aero bias command.

To improve an aerodynamic characteristic in a front portion of a vehicle in the vehicle.MEANS FOR SOLVING THE PROBLEM: A front structure of a vehicle 1 including front exterior members 10, 40 provided in a front surface of a vehicle body 2 includes a front surface suction port 43 formed in the front exterior members 10, 40 for sucking an air flow in front of the front exterior members 10, 40. A funnel part 42 is formed around the front surface suction port 43. A special processing surface including a plurality of recesses 53 arrayed is formed in an inner surface of the funnel part 42.SELECTED DRAWING: Figure 10

A method of producing a desired driving performance for a vehicle includes regulating a pressure inside a bladder, which defines an outer surface of the vehicle. A change in the bladder pressure changes the shape of the bladder, and thereby changes a shape of the outer surface of the vehicle, thus affecting the aerodynamics of the vehicle. The bladder pressure is regulated to be at a target bladder pressure based on the driving condition of the vehicle, which target bladder pressure can be derived from real-time machine learning or based on previous testing of a prototype of the vehicle, and thus affects aerodynamics of the vehicle so as to produce the desired driving performance for the vehicle in the driving condition.

Embodiments provide an aerodynamic fairing system that may comprise a base configured to mount to a vehicle, an arm coupled to the base at a proximate end and extending laterally, and a fairing mounted to the arm having an inboard and an outboard surface. The fairing outboard surface may provide an aerodynamic outer surface to direct flow to an angle to the rear. The arm may be a fixed or adjustable length arm. The arm may provide a mounting area for a mud flap such that aerodynamic system may act as a mud flap hanger. Embodiments also provide an adjustable mud flap hanger.

Disclosed is an aerodynamic monocoque chassis for a vehicle, the aerodynamic monocoque chassis comprising: a main compartment bounded by a plurality of walls and a floor extending between the walls, the floor comprising: a first region, the first region being located at least partially under a pedal footbox of the vehicle; and a second region, the second region located rearwards of the first region; wherein the second region is located lower than the first region thereby forming a void under an underside of the first region.

The invention discloses a control method and system for an adjustable fairing and a heavy truck in the field of heavy truck driving wind resistance. The method comprises the steps that a real-time inclination angle signal of the fairing is obtained; when the vehicle is in the stable driving working condition, the driving mechanism is controlled to gradually adjust the inclination angle of the fairing according to the preset step length, and vehicle driving power data corresponding to different inclination angle signals are collected; comparing the driving power corresponding to each inclination angle signal, and determining a target inclination angle signal corresponding to the minimum driving power; according to the target inclination angle signal, a driving mechanism is started to adjust the fairing to the target inclination angle; according to the method, the inclination angle of the fairing is adjusted, maximum resistance reduction is achieved for different vehicle speeds, the inclination angle value of the fairing corresponding to the minimum wind resistance under different working conditions is calculated, the wind resistance of the whole vehicle is effectively reduced, the inclination angle of the fairing is changed when the vehicle is at different vehicle speeds, and therefore the energy consumption of the whole vehicle is reduced, and the endurance of the vehicle is improved. The economic value is relatively high.

The invention relates to an empennage control method and assembly, a medium, a controller, a program product and a vehicle, and the empennage control method comprises the steps that information of the environment where the vehicle is located is obtained; and the empennage is controlled to be opened or closed according to the environment information. Intelligent opening and closing of the empennage based on the external environment are achieved by obtaining the information of the environment where the vehicle is located and automatically controlling opening or closing of the empennage according to the information. According to the intelligent regulation and control mechanism, the manual regulation requirement of a driver is reduced, it is ensured that the empennage state is matched with the environmental condition, the vehicle energy consumption and performance are optimized, and the driving experience and the vehicle efficiency are improved.

A rear aerodynamic skirt assembly is configured to be mounted to a semi-trailer rear to the semi-trailer axle(s) and front of the rear underride guard. The rear aerodynamic skirt assembly comprises a sheet of material and securing mechanisms. The shape of the sheet of material and the nature of the securing mechanism used to mount the sheet of material to the semi-trailer provide the desired air-deflecting function while providing the resilience necessary to resist to risks associated with being mounted to a vehicle, e.g., a semi-trailer.

A tonneau system for a vehicle including a cargo bed comprises a frame including a leading edge and a trailing edge. A cover is coupled to the frame and movable between a deployed position and a retracted position. A mechanism is coupled to the frame and operable to move the frame and the cover between a home position, an aerodynamic position, and an extended box position. When at the home position, the frame extends substantially parallel to the ground at a first elevation. The leading edge of the frame is positioned at a second elevation higher than the first elevation and the trailing edge remains at the first elevation when the frame is at the aerodynamic position. The leading edge and the trailing edge of the frame are positioned at the second elevation when at the extended box position.

A method for determining a desired lateral acceleration of a vehicle is provided. The method may include determining a first raw lateral acceleration request based at least in part on a steering wheel angle of the vehicle. The method may also include determining a maximum allowable lateral acceleration based at least in part on the tire slip model. The method may also include determining a desired lateral acceleration based at least in part on the first raw lateral acceleration request and the maximum allowable lateral acceleration. The method may also include adjusting operation of the vehicle based at least in part on the desired lateral acceleration.

A vehicle rear structure includes a spoiler device at a rear bumper of a vehicle; a floor panel; left and right side frames at two sides of the floor panel and extending along a front-rear direction of the vehicle; and an impact beam extending along a left-right direction of the vehicle and connected to rear ends of the left and right side frames through a connecting portion. The spoiler device includes a movable portion movable between a storage position connected to the rear bumper and an expansion position protruding from the rear bumper toward a rear side of the vehicle; and at least one fixed portion including a driving component for driving the movable portion to move in the front-rear direction of the vehicle, at a further rear side of the floor panel, and at the connecting portion connected between the left and right side frames and the impact beam.

A vehicle with a bodywork having a plurality of panels; wherein one or more of said panels are morphing panels having an external covering made of elastically deformable material.

A car spoiler may include a spoiler, and the spoiler has two arms, a main body, and two lateral portions. The two arms secured on a vehicle are connected to the main body, and each of two lateral ends of the main body is connected to one lateral portion. A rear side of the main body has at least a spoiler piece, and the spoiler piece is assembled with the main body through any number of connecting member, so that the different shapes, sizes, angles and curvatures of spoiler piece is detached, replaced, and reassembled with the main body to improve the stability of the vehicle.