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US20080264709 Truck  
The present invention relates to a truck, in particular to a bulk goods dump truck of the so-called large dump truck type, having a chassis with wheels of which a plurality of wheels each have a...
US20120245814 AUTOMATIC AXLE DISCONNECT  
A method of regulating an axle disconnect device that is operable in an axle assembly of a vehicle drivetrain includes monitoring a plurality of parameters, determining whether an occurrence of at...
US20090255746 Traction and Stability Control System and Method for a Vehicle with Mechanically Independent Front and Rear Traction Wheels  
A vehicle powertrain with mechanically independent sets of front and rear traction wheels has separate motive power units. An electronic control system including traction wheel slip control is...
US20080029328 Drivetrain and method for controlling a drivetrain  
A drivetrain for a motor vehicle, which has a permanently driven rear axle and a front axle which is driven on demand. The drivetrain comprises a drive unit whose output is connected to an input...
US20140236443 AUTOMATIC CONTROL OF DRIVELINE STATES  
A method for controlling a vehicle driveline uses sensors to estimate a need for powering secondary wheels for each of a plurality of conditions. The estimates are scaled and the scaled estimates...
US20070294018 Vehicle drive torque estimation device and drive torque estimation method, and four-wheel drive vehicle  
The estimated drive torque calculation unit, which is the drive torque estimation device according to the present invention, is configured such that if the running condition determination unit...
US20070295545 Differential Steering and Traction Control For Electrically Propelled Mower  
A differential steering and traction control system for an electrically propelled mower. Each of the front wheels has an electric motor wheel drive, and each rear wheel may have an electric...
US20140039772 Work Machine Drive Train Torque Vectoring Based on Work Cycle Recognition  
A machine may include a powertrain drivingly connected to the wheels through a torque transfer unit to transfer torque to the front wheels as a function of a desired front torque and to the rear...
US20150175148 CONTROL STRATEGY FOR AWD CONNECTION AND DISCONNECTION  
The invention relates to switching between 2WD and 4WD of a vehicle. It is suggested to increase output power of an engine (106) when changing to 4WD. An AWD coupling (120) is opened, if not...
US20070129871 Detection of hill grade and feed-forward distribution of 4WD torque bias to improve traction on a low MU surfaces during climbing of such hill grade  
A feed forward method for controlling the distribution of torque between the front and rear axle in a four wheel drive vehicle where the slope of a hill upon which the vehicle is traveling is...
US20060047398 Power train system for vehicle  
A power train system for a vehicle is disclosed, in which the vehicle is provided with front wheels and rear wheels, one of which are main drive wheels and the other of which are subsidiary drive...
US20130231837 ELECTRONIC CONTROL OF A LIMITED SLIP DIFFERENTIAL  
A method for regulating an electronic limited slip differential (eLSD) to apportion generated drive torque between first and second road wheels includes determining maximum torque capability of...
US20120185129 ALL-TERRAIN HOSTILE ENVIRONMENT VEHICLE  
A first chassis and second chassis hingedly connects to the first chassis, wherein each of the first and second chassis includes a plurality of wheels which are operably connected to a hydraulic...
US20150112563 DRIVING FORCE DISTRIBUTION APPARATUS AND METHOD FOR DISTRIBUTING DRIVING FORCE  
A driving force distribution apparatus includes a basic distribution ratio calculator, a servo controller, and an adjuster. The basic distribution ratio calculator is configured to calculate a...
US20080319621 Running Mechanism for a Passenger Boarding Bridge and Control Method Thereof  
A running mechanism of a passenger boarding bridge and a control method thereof are provided. The running mechanism includes a beam, two rotary supporting members, and two running wheel sets. Each...
US20090112431 Hydraulic System For An All-Wheel Drive System And Method Of Controlling Said Hydraulic System  
Method of controlling a hydraulic system for an all-wheel drive system, including an electric hydraulic pump, a control valve for directing hydraulic fluid to a load, and an accumulator in fluid...
US20090088919 CONTROL DEVICE FOR VEHICLE, AND CONTROL METHOD THEREOF  
A drive force control portion (90B) firstly changes a front wheel command torque (Tfcm) and a rear wheel command torque (Trcm) so that each command torque reaches a torque in a predetermined...
US20080195288 Method For Activating and Deactivating the Four-Wheel Drive of Service and Working Vehicles Without Interactive Differential Locks  
The invention relates to a method for activating and deactivating the four-wheel drive of service and working vehicles without interaxle differential locks. According to said method, said...
US20100017083 Traction Control System for 4WD/AWD Vehicles  
A method controls a powertrain that directs power from an engine and a transmission to all four wheels or to just front wheels or to just rear wheels. The method includes monitoring information...
US20110015844 AUTOMOTIVE VEHICLE  
An automotive vehicle may include one or more controllers, a braking system and an electric machine. The one or more controllers may be configured to determine whether the vehicle is about to roll...
US20070282512 METHOD FOR THE DISTRIBUTION OF DRIVE TORQUE  
A method for the distribution of drive torque to the wheels of a driven axle of a motor vehicle. The bend slip between a bend-inside and a bend-outside wheel of an axle of the motor vehicle during...
US20080296078 Torque transfer device with torque tube coupling mechanism  
A power transmission device includes a rotatable input member, a rotatable output member and a friction clutch positioned within a housing. The friction clutch is operable to selectively transfer...
US20090057047 METHODS AND SYSTEMS FOR CONTROLLING AN AXLE DISCONNECT DEVICE FOR AN ALL-WHEEL DRIVE VEHICLE  
Methods and systems are described to automatically lock and unlock a front axle disconnect mechanism in an all-wheel drive (AWD) system responsive to driving conditions to reduce parasitic losses...
US20120095659 Automatic Control of Driveline States  
A method for controlling a vehicle driveline includes using current conditions to estimate wheel slip probability and vehicle dynamics handling support requirements, producing two-wheel drive...
US20130073160 LEFT-RIGHT WHEEL DRIVE FORCE DISTRIBUTION CONTROL APPARATUS FOR A VEHICLE  
When a rear wheel total drive force is smaller than a rear wheel drive force difference and the rear wheel drive force difference cannot be accomplished by dividing the rear wheel total drive...
US20090062999 System and Method for Automatically and Independently Controlling Wheel Torque or Speed Usiing Wheel Hubs having Engagement/Disengagement Mechanisms Integrated Therewith  
A system and method for controlling torque and/or speed of wheels of a vehicle. The system and method receive one or more vehicle operating signals. Based on the received vehicle operating...
US20090228118 METHOD FOR DISTRIBUTING SOFTWARE MODULES  
A method for distributing software modules to control units, the software modules being assigned to the control units while taking safety-relevant classification features into consideration.
US20100063700 4-wheel drive apparatus for vehicle  
Disclosed is a 4 wheel drive apparatus for vehicles capable of driving two wheel or four wheels having a simple structure without conventional transfer case. The 4 wheel drive apparatus for...
US20140367185 DEFAULT OPEN DIFFERENTIAL CONTROL SWITCH  
A vehicle is described having plural modes of operation for the front and rear differential and whereupon start-up of the vehicle, the front and rear differentials are opened to their most open...
US20090138166 Multiplexed Hydraulic Control for a Two-Coupling All-Wheel Drive System  
The present invention is directed toward incorporating a single actuation unit to actuate two or more couplings. The clutch actuation arrangement has a first coupling (36) connected to a first...
US20080120003 VEHICLE BEHAVIOR CONTROL SYSTEM AND METHOD  
A vehicle behavior control system includes: a first drive power control unit that executes a turning control over right and left drive wheels of a vehicle to reduce the turning radius of the...
US20090112430 Electronic Control Torque Vectoring Axle  
The present invention is an axle (10) for a vehicle having a housing (12), an input shaft (14) coupled to a differential on a first end, extending through the length of the housing (12), and an...
US20090076696 SYSTEM AND METHOD FOR MANAGING A POWERTRAIN IN A VEHICLE  
A vehicle include a first disconnect disposed between a prime mover of the vehicle and a certain one of the vehicle drive wheels. The first disconnect is operable to connect and disconnect the...
US20090043469 DRIVING FORCE DISTRIBUTION CONTROL METHOD AND DEVICE FOR FOUR WHEEL DRIVE VEHICLE  
A driving force distribution control device for a four wheel drive vehicle having a mechanism that distributes the torque of an engine, which is transmitted to a main drive wheel, to a secondary...
US20120253623 CONTROL DEVICE FOR CONTROLLING DRIVE FORCE THAT OPERATES ON VEHICLE  
A control device for controlling a front wheel drive force and a rear wheel drive force of a vehicle comprises a first controller for controlling a drive force of a main drive wheel and a drive...
US20090062998 DRIVING-FORCE DISTRIBUTION CONTROL DEVICE  
A driving-force distribution control device includes a distributing mechanism, a distribution controller, an anti-skid brake system, an acceleration detector, a synthesized acceleration calculator...
US20120166055 DRIVE FORCE DISTRIBUTION CONTROL APPARATUS FOR FOUR-WHEEL DRIVE VEHICLE  
When a rear wheel total drive force is smaller than a rear wheel drive force difference and the rear wheel drive force difference cannot be realized by setting a left-right distribution of the...
US20130073161 LEFT-RIGHT WHEEL DRIVE FORCE DISTRIBUTION CONTROL APPARATUS FOR A VEHICLE  
A rear wheel drive force difference setting gain is multiplied by a basic left-right rear wheel drive force difference steady-state control computation value for achieving a vehicle turning...
US20100063701 BRAKE BASED VISCOUS COUPLING ALTERNATIVE VEHICLE DIFFERENTIAL  
A vehicle and a method for mechanical decoupling of front and rear wheels and left and right wheels of a vehicle by mechanically decoupling the left and right wheels, while controlling the braking...
US20080128191 RUNNING VEHICLE AND RUNNING VEHICLE SYSTEM, AND METHOD FOR DRIVING RUNNING VEHICLE  
A running vehicle has front and rear driving wheels, and a sensor for measuring the acceleration of the running vehicle. The vehicle determines a distribution rate of torque to each of the driving...
US20120253620 CONTROL DEVICE FOR CONTROLLING DRIVE FORCE THAT OPERATES ON VEHICLE  
A control device for controlling a front wheel drive force and a rear wheel drive force of a vehicle includes a first controller for controlling a drive force of main drive wheels and the drive...
US20070162212 METHOD FOR ESTIMATING IN REAL TIME A FRONT EFFORT AND A REAR EFFORT APPLIED BY THE GROUND TO A VEHICLE  
The invention concerns a method for estimating in real time, in a motor vehicle, a front force (FyV) and a rear force (FyR), these forces being applied by the ground to the front wheels and to the...
US20090221392 System for protecting a powertrain  
A powertrain for a machine is disclosed. The powertrain has a power source and a transmission that is operably connected to the power source. The powertrain also has a differential that is...
US20120053802 METHOD OF CONTROLLING A TORQUE VECTORING MECHANISM AND TORQUE VECTORING SYSTEM  
A method of controlling a torque vectoring mechanism and an associated torque vectoring system are disclosed. The method can distribute torque between a left non-driven wheel and a right...
US20090250283 MOTOR VEHICLE HAVING A SWITCHABLE FOUR WHEEL DRIVE  
A motor vehicle is provided that has an engine, front and rear wheels and a clutch system for selectively distributing engine torque to the front and rear wheels. A controller judges in real time...
US20140145498 MOTION CONTROL SYSTEM OF VEHICLE  
Vehicular motion control system comprising controller that independently controls driving force and/or braking force of each of four wheels and a turning direction sensor that senses a turning...
US20080040011 Control System for an at Least Temporarily Four-Wheel-Driven Motor Vehicle  
In the case of a control system for an at least temporarily four-wheel-driven motor vehicle having an electronic control unit, which determines at least the rotational speeds of all wheels and the...
US20100094519 POWERTRAIN FOR A MOTOR VEHICLE  
The invention relates to a powertrain for a motor vehicle having a permanently driven primary axle, comprising: a drive unit for the generation of a drive torque; a first clutch for the transfer...
US20120029780 METHOD FOR CONTROLLING A SPEED DIFFERENCE BETWEEN THE FRONT WHEELS AND REAR WHEELS OF A FOUR-WHEEL DRIVE VEHICLE  
A method for controlling a speed difference between speed of wheels of a front axle and speed of wheels of a rear axle of a four-wheel drive vehicle. The method: determines an initial speed...
US20080065304 Motor vehicle  
A motor vehicle, in particular a passenger motor vehicle, has a drive train which has a drive assembly, at least one gear mechanism and a plurality of drive axles. The drive train has at least one...

Matches 1 - 50 out of 133 1 2 3 >