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8136613 Vehicle control systems and methods  
Systems for controlling the speed and direction of vehicles such as tractors, including vehicles that have low to zero turning radius capability. Systems include steering and speed coordination...
8131426 Vehicle steering system  
A control section (10) of a vehicle steering system has a steer-by-wire mode, a power steering mode, and a transition mode. In the steer-by-wire mode, a steering actuator (19) is controlled for...
8091658 Wheel arrangement for a four-wheeled vehicle  
A wheel arrangement for a four-wheeled vehicle is comprised of a front wheel, two side wheels and a rear wheel, whereas the rear wheel is connected to the frame of the vehicle by a supporting base...
8056653 Hybrid electric tool carrier  
A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and...
7992659 Steering systems, steering and speed coordination systems, and associated vehicles  
In a broad respect, vehicles that are capable of making a low- to zero-radius turn using the independent rotation of drive wheels and by turning the non-driving steerable structure or structures...
7975786 Electric ground working vehicle  
There is provided an electric ground working vehicle including a left wheel and a right wheel, at least one caster, a working apparatus, an acceleration operating element for performing...
7962262 Vehicle steering apparatus  
A first computing section stores a plurality of types of variable transmission ratio characteristics prescribed in correspondence with different modes in the form of maps. With reference to one of...
7914022 Vehicle control systems and methods  
Systems and methods for controlling the speed and direction of vehicles such as tractors.
7887077 Motorcycle steering  
A steering mechanism for a wheel of a vehicle defining a wheel centerline comprises a four-bar linkage. The four-bar linkage includes a ground link, a coupler link and a spaced pair of follower...
7784880 Braking system for a floor conveyor  
A braking system for a floor conveyor, which features at least one travel motor for at least one driven wheel, an electric steering control for at least one steered wheel, a service brake with a...
7762360 Vehicle calibration and trajectory control system  
A method and system are described for calibrating speed controls for a vehicle having a pair of drive means on opposite sides of the vehicle driven by independent speed controls and where relative...
7712559 Front-wheel drive steering compensation method and system  
A method of controlling the speed of a right front wheel and a left front wheel on a work machine includes receiving a speed command based at least partially on an operator input and monitoring at...
7708091 Apparatuses and methods for providing hybrid steering for a vehicle  
Steering control apparatuses and methods for a vehicle are provided. A steering control apparatus can include a steering shaft drivingly linked to a pair of front wheels of a vehicle. A movable...
7703561 Power steering system  
In order to reduce a steering torque during stoppage of a vehicle, according to the invention, opposite drive torques in normal and reverse directions are applied to a left rear wheel and a right...
7686107 Zero-turn radius vehicle with steerable front wheels  
The present invention relates to a zero turning radius vehicle having at least one steerable front wheel and a multistage steering input system separately capable of steering the at least one front...
7664584 Steering control system  
A steering control system comprises a steering component, a turning component, and a backup mechanism for alternately mechanically separating and linking steering and turning components. A...
7591339 Driving-force control apparatus and method for vehicle  
A driving-force distribution control apparatus for a vehicle includes a first motor adapted to drive one of front wheels and rear wheels, as main drive wheels; a second motor adapted to drive...
7552784 Differential steering type motorized vehicle  
A differential steering type motorized vehicle is capable of directly steering a front wheel by the turning operation of handlebars, and performing on-the-spot turning around a central position of...
7549499 Hydraulic hybrid four wheel drive  
An hybrid four wheel drive system characterized by a vehicle having a conventional rear wheel driveline as well as a conventional driving front steer axle powered by an hydraulic motor. The hybrid...
7539567 Electric power steering control apparatus  
An electric power steering control includes a torque sensor for detecting steering torque as torque information, a motor for generating assist torque, a calculation section for calculating a motor...
7516813 Telescopic loader, in particular a reach stacker  
The present application relates to a telescopic loader, in particular a reach stacker, having a steering command input device, at least one pick-up to sense the steering angle and a processor unit...
7516003 Vehicle steering system  
A vehicle steering system includes: a steering actuator that imparts a steering force to a steering mechanism of a vehicle; an automatic steering controller that performs an automatic steering...
7455145 Hydraulic steering transaxle and hydraulic driving vehicle  
A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a...
7392121 Vehicle steering system  
An automatic parking control is cancelled when a motor current has not yet reached a maximum current value Imax with a steering angle deviation exceeding a deviation threshold value. In addition,...
7360614 Steering control for drive wheels of vehicle  
In a vehicle, a pair of left and right drive wheels are linked with a steering input device so that the drive wheels are turned in accordance with a driver's steering input force input by a driver...
7325636 Front-wheel drive steering compensation method and system  
A method of controlling the speed of a right front wheel and a left front wheel on a work machine includes receiving a speed command based at least partially on an operator input and monitoring at...
7264068 Steering control system for a skid steer vehicle  
A skid steer vehicle has a steering controller that monitors the speeds of the left and right wheels and steers those wheels in directions that are calculated to reduce, eliminate or minimize wheel...
7229139 Control system for brake-steer assisted parking and method therefor  
A system and method of controlling an automotive vehicle includes determining a steering wheel angle, determining a steering wheel direction, determining a steering wheel angular rate and applying...
7172041 Drive-by-wire lawnmower  
The mower has at least two independently driven wheels that are each capable of bi-directional rotation. The at least two wheels are independently driven so that operation of the at least two...
7172040 Riding type mower  
A work vehicle comprises: a plurality of wheels; a vehicle body supported by the wheels; a transmission case provided on the vehicle body, the transmission case having a first case portion and a...
7152704 Four-wheel drive work vehicle  
A four-wheel drive work vehicle includes an engine, a pair of right and left steerable wheels rotatably driven by receiving power from the engine via a differential mechanism, a pair of right and...
7108096 Vehicle control system with slow-in-turn capabilities and related method  
A control system with slow-in-turn capabilities for use with a self-propelled, steerable vehicle, such as a lawn mower, is disclosed. In one embodiment, the system slows the vehicle speed when...
7046917 Speed controlling device of a motorized cart for a person to ride on  
A device of a cart includes a control, a speed regulating potentiometer, a microprocessor, a digital-to-analogue converter, a motor controlling unit, and a switch; the control is angularly...
6968913 Skid steer vehicle including steering actuators to simultaneously steer one side's wheels  
A skid steer vehicle includes a left side steering actuator that is coupled to left front and left rear drive wheels to steer the wheels with respect to the chassis, a right side steering actuator...
6935445 Back-up steering system for track laying vehicles  
A back-up steering system is provided having a hydraulic pump, an accumulator, a mode control valve, a main solenoid valve, and a pair of back-up solenoid valves. The system is connected, to left...
6786296 Back-drivable steer-by-wire system with positive scrub radius  
In an embodiment of the present invention, an apparatus for steering a vehicle is disclosed. The apparatus includes a back-drivable steer-by-wire system including a road wheel actuator assembly...
6789017 Vehicle steering angle position determination method  
A system for calculating the actual steering angle position based upon signals received from a relative position steering angle sensor and other vehicle sensors. The system involves calculating a...
6694238 Electric power steering apparatus  
An electric power steering apparatus for assisting steering by conferring torque generated by an electric motor to a steering mechanism. The apparatus includes: a correction table created based on...
6640915 Vehicle  
A vehicle, which can be used in particular as an agricultural vehicle and/or for construction purposes, has a vehicle frame, a drive and an undercarriage. The undercarriage (4, 4a) includes on both...
6625529 Apparatus for controlling steering angles of front rear wheels of vehicle  
A control apparatus comprises a target steering angle operation unit for operating target steering angles of front wheels and rear wheels, a steering increase/steering return determination unit for...
6554084 Hydraulically driven forklift  
Front wheels (3A, 3B) are operably connected to hydraulic motors (21A, 21B), and hydraulic pumps (26A, 26B) driven by an engine (25) are provided, each hydraulic pump (26A, 26B) being connected to...
6484827 Drive and steer vehicle  
A vehicle such as a front engine tractor is adapted to utilize conventional steering and propel controls with a drive and steer type transmission. The transmission permits the vehicle to be driven...
6425450 Load-shifting vehicle  
A vehicle is driven by a central track assembly and differential speed steering wheels in flanking relation thereto.
6279674 Arrangement and method for steering a motor vehicle  
An arrangement for steering a motor vehicle having at least two steerable wheels including steering equipment for setting the position of the steerable wheels as a function of a desired steering...
6167982 Steering system for an articulated tracked combine  
One aspect of the present invention relates to a steering system for an articulated tracked combine composed of (i) a forward unit having a pair of differentially-connected powered non-steering...
6122579 Electric power steering control with torque ripple and road disturbance damper  
An electric power steering control for a motor vehicle reduces motor torque ripple and road generated disturbances communicated to the vehicle handwheel while promoting system stability. In...
5850886 Steering control device for vehicle having continuously variable transmission  
Left and right driven wheels are connected to a pair of continuously variable transmissions and independently driven. The driven wheels are increased or decreased in speed at the same rotational...
5735361 Dual-pole personal towing vehicle  
A personal traction transportation vehicle which includes two gear-motor-wheels which drive a connected chassis forward. The chassis is stabilized by a third trailing caster wheel. The vehicle is...
5529135 Steering mechanism for four wheel lawn mower  
An improved riding lawn mower includes a vehicle frame having a front end, a rear end, and a rear motor deck that is secured to the rear end of the frame. A drive motor is mounted above the motor...
5301617 Parallel traveling control system  
A parallel traveling control system detects distances to a guide rail provided on a road surface of a traveling lane or set close thereto, and drives the brake pressures in such a direction that...
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