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7360613 |
Transmission for speed changing and steering of a vehicle
A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST...
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7334653 |
Mechanism for controlling displacement of vehicle hydrostatic transmission system
In a displacement-control mechanism for a vehicle hydrostatic transmission system including a traveling hydrostatic transmission (HST) and a steering hydrostatic transmission (HST), a steering link...
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7326141 |
Compact fault tolerant variable cross-drive electromechanical transmission
A transmission drive system (TDS) has two AC induction traction motors, each operatively coupled to two semi-independent coaxial traction shafts, and two AC induction steer motors coaxially mounted...
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7302327 |
Vehicle driving aid apparatus
A steering mechanism 1 is configured as a steering mechanism which allows an arbitrary relationship to be set between a steering mechanism unit 2 through which steering of a driver is input and...
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7293790 |
Omni-directional toy vehicle
The invention relates with the omni-directional toy vehicle that can move in all directions of forward, backward, rotational, left and right movement by driving manually the omni-directional wheels...
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7267188 |
Electric vehicle
An electric vehicle has a control unit having a decelerating control function of decelerating an electric motor disposed on a side of a vehicle body corresponding to a turning direction of the...
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7246670 |
Work vehicle with hydrostatic steering system
A work vehicle with a hydrostatic steering system is disclosed which is capable of performing optimum control of the absorption torque of a hydraulic pump according to running load; capable of...
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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...
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7201123 |
Method and device for operating an internal combustion engine of a vehicle
A method and a device for operating an engine of a vehicle, which allow a power demand of a steering device supported by the engine To be dynamically compensated for. In this context, a...
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7177744 |
Elastic support assembly for electric power steering apparatus
An elastic support assembly for an electric power steering apparatus in which a worm shaft is supported movably in a rotation axis direction through the elastic support assembly includes: a pair of...
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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...
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7130729 |
Adaptive compensation of rear-wheel steering control using vehicle dynamics parameter estimation
An active rear-wheel vehicle steering control system that employs both open-loop and closed-loop control, where the open-loop and closed-loop control include adaptive compensation sub-systems that...
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7077220 |
Tractor with rear castor wheels
A hydrostatic agricultural tractor has front ground wheels mounted on the frame at fixed angles parallel to each other and parallel to a center line of the frame and rear ground wheels mounted on a...
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7066294 |
Hydraulically driven and steered vehicle
A hydraulically driven and steered vehicle comprises a pair of axles differentially connected to each other, a traveling HST, a steering HST, a speed control operation device operative connected to...
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7059434 |
Hand controls for small loader
A control system for a small work vehicle such as a compact track propelled loader has a control handle that is mounted onto a swinging support plate. The support plate swings about a vertical axis...
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7059433 |
Riding lawn mower
A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST...
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7050895 |
Method for measuring the absolute steering angle of steering shaft for vehicle
An absolute steering angle of a steering shaft for a vehicle is measured using rotatable bodies that rotate together with the steering shaft at respective predetermined rotation ratios. A Ψ M ′...
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7047115 |
Outboard motor steering system
An outboard motor steering system for an outboard motor mounted on a stern of a boat includes a mounting unit having a swivel shaft connected to a propeller to turn the propeller, and a swivel case...
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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...
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7007763 |
Control system for interactive driveline and vehicle control
A method and apparatus for controlling torque delivery independently, i.e., asymmetrically, to the two rear axles and wheels of a vehicle with front wheel drive provides improved vehicle handling...
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6988027 |
Electric power steering system
In an electric power steering system, during initial processing after an ignition switch is turned on, when a main CPU completes calculation of an offset voltage, it sends an offset voltage...
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6968262 |
Steering angle correction device
Steering angle is determined by the combined use of a potentiometer and a rotary encoder, and the correction of the error in the determination of the steering angle based on the time-dependent...
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6942082 |
Drive coupling
A drive coupling mechanism for use in connecting an axle or other drive shaft to a wheel hub for use in a snow thrower or other vehicle, or in other applications where a driven wheel is engaged to...
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6889782 |
Tractor
A tractor having right and left traveling crawlers ( 9 ) installed thereon, comprising a hydraulic transmission swing mechanism ( 45 ), a forced-diff ( 41 ) for driving a crawler driving sprocket (...
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6886646 |
Self-propelled operating machine
A self-propelled operating machine has a power source, a hydraulic CVT for varying power outputted from the power source, and a transmission mechanism connected to the hydraulic CVT for...
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6885926 |
Automatic steering control system and method
The steering angle with respect to the running distance is changed by changing the steering angular velocity in accordance with the steering angle and the vehicle speed such that the turning rate...
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6874593 |
Driving apparatus for speed changing and steering of a vehicle
A driving apparatus for speed changing and steering of a vehicle consists of a first driving unit for speed changing in advancing and reversing and a second driving unit for steering, which are...
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6874305 |
Lawn mower having selectively drivable wheels
A lawn mower having selectively drivable wheels, includes dirigible front drive wheels, a pair of right and left rear drive wheels, a body frame, an engine supported by the body frame, a mower unit...
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6865461 |
Method and device for controlling driving dynamics
In a method and device for controlling driving dynamics, at least one steering action at a vehicle axle being controlled, a driving-dynamics setpoint, which is described by at least a yaw-dynamics...
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6862512 |
Method and system for controlling the performance of a motor vehicle
A method for controlling the handling characteristics of a vehicle, including the steps of ascertaining setpoint values that are associated with specific controlled variables, and measuring forces...
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6859704 |
Self-alignment torque correcting apparatus for vehicle and electric power steering apparatus
A self-alignment torque correcting apparatus for a vehicle that compensates for a surplus and a shortage of self-alignment torque of the vehicle. The apparatus includes a driving source that...
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6856870 |
Power steering system
A power steering system capable of giving a driver no discomfort even when an incoming current instruction value sharply decreases. The power steering system comprises a controller C for...
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6853877 |
Method and apparatus for mobile robot motion control
A mobile base movable relative to a surface is disclosed. The base includes a main housing having at least two wheels pivotably and rotatably mounted to the housing with each wheel having a...
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6830114 |
Omni direction vehicle with material handling tool
An omni direction vehicle with a frame having a round surface about its perimeter with no apparatus mounted on the frame extending beyond the perimeter. Two independent drive wheels located on an...
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6804594 |
Active steering for handling/stability enhancement
A control system for a steering system in a vehicle comprising: a reference model responsive to an operator input that computes desired states of the vehicle; a feedforward controller in operable...
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6795761 |
Overall control algorithm for interactive vehicle control system
A method for controlling a vehicle, the vehicle having a steer by wire and a brake by wire system is disclosed. The method includes sensing a yaw rate, a steering wheel rate of rotation, and a...
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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...
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6775604 |
Steering wheel angle determination
A method is disclosed for determining the steering center of a vehicle. The algorithm involves supplying power to a controller after ignition-off to save the steering wheel angle value that is...
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6755264 |
Riding lawn mower
A transmission for speed changing and steering of a vehicle comprises a first HST and a first differential for speed changing and a second HST and a second differential for steering. The first HST...
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6705758 |
Steering arrangement for mobile x-ray apparatus
A mobile X-ray apparatus has a carriage provided with at least one pair of independently driven driving wheels and a motor. The carriage includes a driving handle, which comprises sidebars,...
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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...
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6688102 |
Traveling control device
The present invention discloses a traveling control device, including a crawler type right and left traveling body; a right and a left hydraulic motor for operating the right and left traveling...
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6681909 |
Walk-behind implement having wrap spring wheel clutches
A reversible implement including an engine, an axle driven by the engine, a pair of ground engaging wheels with a wheel located at each axle end, a pair of input hubs rotatably fixed to the axle, a...
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6661191 |
Method and apparatus for compensating drive current for an electric motor vehicle steering system
An apparatus and method for a steering system which compensates a drive current for certain variables in a steer-by-wire and electrical power assist steering system. The present invention utilizes...
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6656074 |
Crawler vehicle transmission-steering assembly
A transmission-steering assembly for a crawler vehicle has a propeller shaft and two output shafts extending along a transverse axis of the vehicle. The two output shafts drive respective tracks of...
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6655229 |
Operation lever device
It is designed that an oil pressure signal can be output by operating an operation lever in a twisting direction; a structure can be made simple and its assembly and adjustment are easy; an...
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6654676 |
Steering system for tracklaying vehicle
An object is to provide a steering system for a tracklaying vehicle which is capable of preventing overrun of a motor during a pivot turn irrespective of the load of the road surface and does not...
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6581704 |
Steering controls
A mechanism for adjusting or setting the effort required to move the steering levers of a vehicle is provided. The mechanism consists of a central mounting plate with which three separate bolt and...
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6564131 |
Four-wheel steering algorithm with functional and diagnostic states and modes
A method for controlling a four-wheel steering system of a vehicle includes recognizing a driver-selectable mode, receiving a signal preferably indicative of a front wheel steering-angle, and...
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6560524 |
Integration of rear wheel steering with vehicle stability enhancement system
There is disclosed a method for integrating a vehicle stability enhancement system and rear wheel steering. The method includes inputting a vehicle speed and measured vehicle yaw rates. Determining...
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