Matches 1 - 50 out of 156 1 2 3 4 >


Match Document Document Title
US20070275640 Worm Wheel Machining Method, Worm Wheel, Worm Speed Reducer And Electric Power Steering Apparatus  
In a method of machining gear teeth 2 of worm wheel 1 by causing a worm (not shown) on which abrasive or grinding material is added to mesh with the gear teeth 2 of the worm wheel 1, at least the...
US20090120711 WORM GEAR AND ELECTRIC POWER STEERING APPARATUS  
A worm gear includes a worm shaft including a thread including a tooth flank that defines a concave edge in a tooth profile of the thread; and a worm wheel including a tooth including a tooth...
US20130220726 MOTOR DRIVE APPARATUS  
A power transducer failure detection device detects a failure on a power transducer, making a power transducer control device stop driving the power transducer. A first switching control device...
US20060006019 Expandable steering system  
An expandable steering system for an amphibious vehicle whose wheels move into retracted and deployed positions comprises a steering column connected to a steering wheel, a rack and pinion or...
US20090065286 POWER STEERING SYSTEM  
A power steering system for a vehicle is described, wherein a magnetic or electromagnetic actuator, which can be acted on via a controller, is associated with a torsion bar connected to a steering...
US20050279564 Method for operating a steering system  
Method for operating a steering system for a motor vehicle with at least one steerable wheel, a servo drive and a superimposed gear mechanism, the steering movement, initiated by the driver of the...
US20090157258 SYSTEMS AND METHODS INVOLVING QUADRANT DEPENDENT ACTIVE DAMPING  
A method for controlling a steering system, including, receiving a first signal representative of a torque applied to a steering wheel, receiving a second signal representative of a motor velocity...
US20070074924 Steering actuation device for a vehicle, in particular for an industrial truck  
The invention relates to a steering actuation device for a vehicle, in particular for an industrial truck, having an operating element (1) for inputting steering commands by exerting torques on...
US20110290580 Motor drive apparatus and electric power steering system using the same  
A motor drive apparatus includes a control circuit, which determines that a wire connecting a battery to a first power supply relay and a second power supply relay is broken, and not failure of...
US20080217095 Limiting Device for Limiting Relay Welding and Motor Driving Apparatus  
In a state where an abnormality of a boosting circuit is detected by monitoring a boosted voltage outputted from the boosting circuit, motor relays are turned to an off state when the boosted...
US20050182542 Device and procedure for a steering support for vehicles with electromechanical steering system  
In a device and a procedure for a steering support for vehicles with an electromechanical steering system, maneuverable vehicles wheels are connected with a steering device (1) as well as an...
US20110000736 AUXILIARY POWER SUPPLY DEVICE AND ELECTRIC POWER STEERING DEVICE  
An auxiliary power supply device that can always supply stable auxiliary power at the time of using an auxiliary power source and an electric power steering device employing the auxiliary power...
US20080161999 Closed-loop motion-control system using error to modify gain  
A method of operating a motion-control system is provided. The motion-control system may include an actuator and a moveable component driven by the actuator. The method may include providing input...
US20070163833 Steering system for a vehicle  
A steering system for a vehicle, e.g., a hydraulically assisted power-steering system for a motor vehicle, includes a steering spindle that connects a steering handle on its one end to a rotary...
US20090200097 ELECTRONIC STEERING SYSTEM FOR A VEHICLE  
An electronic steering system for a vehicle includes a generally freely rotating steering column, a sensor for determining a rotational position of the steering column and a controller for turning...
US20130277138 MOTOR DRIVE APPARATUS  
A motor drive apparatus includes a back EMF detection element and a protection control circuit. When a voltage detected by the back EMF detection element exceeds a threshold voltage of a Zener...
US20080277190 Creep Steering Control System Operable From Rearward-Facing Position  
A creep steering control system for a utility vehicle is operable from a rearward-facing position. The creep steering control system includes a pivotable actuator alongside a rearward-facing seat...
US20080149412 Vehicle steering system  
In a steer-by-wire vehicle steering system configured to execute a direct-coupled mode via a clutch for failsafe, the clutch includes a first member fixed to a clutch output shaft, a second member...
US20050288839 Method for steering a vehicle and device for procedure the method  
A method for steering a vehicle, whereby a steering wheel, a steering wheel angle δLR and a steering control based on it, a radii angle δRL and a steering angle gradient ωRL are generated. The...
US20080065294 MECHANICAL AND ELECTRICAL LOCKING COORDINATION SECURITY STRATEGY FOR AN ACTIVE FRONT STEER SYSTEM  
A system as described herein relates generally to automotive active front steering control systems having a main processor and a redundant sub-processor. The system provides a way of controlling...
US20100199621 SYSTEM FOR STEERING A TRACTION DRUM DRIVEN MOBILE OBJECT  
A turf device driven by a traction drum. The traction unit is connected to the tool by an articulable joint which allows the traction unit to rotate horizontally (yaw) and vertically (pitch), as...
US20070299583 Steering Control Device for Vehicles Restricting Target Steering Angle  
In a vehicle equipped with a power steering device for assisting the steering of the steered wheels by the steering wheel, when the steering angle of the steered wheels reaches the maximum...
US20070249453 Electric Power Steering Device for Vehicles Applying Assist Power to Rotary Member Surrounding Tie Rod Connecting Bar  
To construct an electric power steering device in which the assist power decreases only the torque required for rotating the steering wheel, while the control of the steering angle of the steered...
US20130220727 ELECTRIC POWER STEERING  
A steering force assisting device that includes an electric motor and includes independent two sets of motor driving circuit and control unit, and the electric motor includes coils having the same...
US20130248277 ELECTRIC POWER STEERING APPARATUS  
An electric power steering apparatus includes an electric motor, a drive torque transmission mechanism for converting a rotation of the electric motor to a linear movement and transmitting the...
US20070235246 Vehicle Steering System And Assembling Method Thereof  
A vehicle steering system includes: a sensor mechanism having a sensor coil 13; an antitheft device which has a key lock collar 4 and is disposed on the rear side of the sensor mechanism, in which...
US20080314678 Electric power steering system for vehicle and utility vehicle therewith  
An electric power assist device can be compactly disposed with ease in an electric power steering system for a vehicle. The electric power steering system for a vehicle comprises: a steering...
US20090032327 STEERING ASSISTING SYSTEM FOR VEHICLE  
A steering assisting system has a variable transfer ratio steering apparatus and an electric power steering apparatus. The variable transfer ratio steering apparatus has an electric motor for a...
US20070131475 Electric power steering device and method of producing the same  
An electric power steering device (1) includes a steering assist electric motor (7) including a rotation shaft (8) and a motor housing (18). The electric motor (7) includes a stator (19) fixed to...
US20140054102 CAGE FOR A ROLLING BEARING, NOTABLY FOR A MOTOR VEHICLE ELECTRIC POWER STEERING BEARING  
The rolling bearing cage is intended to provide the circumferential spacing of a row of rolling elements and comprises first pockets 32 for first rolling elements of the row, these pockets being...
US20050145433 Apparatus for steering a vehicle  
An apparatus for steering a vehicle includes a hand steering device, a road wheel steering device, a steering motor and a connection device. The hand steering device is a device which a driver of...
US20120018241 MAGNETOSTRICTIVE TORQUE SENSOR AND ELECTRICAL POWER STEERING DEVICE  
Disclosed are a magnetostrictive torque sensor and an electrical power steering device, wherein a first torque sensor has: one magnetostrictive film provided on a steering shaft; a first coil and...
US20120273290 MOTOR CONTROL DEVICE  
Provided is a motor control device including a main calculation unit (101), which takes a first operation state for controlling a brushless motor (5), and a second operation state for stopping the...
US20110005855 MOTOR CONTROLLER AND ELECTRIC POWER STEERING SYSTEM  
A motor controller and an electric power steering system including the motor controller are provided. The motor controller has a microcomputer. When the on time of one of the lower potential-side...
US20100018797 Steering System and Method for Steering a Vehicle  
A steering system disengages a wheel assembly of a vehicle in response to an event while driving. The steering system includes a suspension knuckle, a tie rod, and a puller. The puller includes a...
US20120118662 MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING SYSTEM  
A motor control device with which both high-accuracy current detection and improvement in voltage utilization factor are achieved is provided. When an ON time of any one of low potential side...
US20090050398 VARIABLE EFFORT STEERING ACTUATOR  
A magnetic actuator, comprising, an inner ring, an outer ring disposed around the inner ring, a first pair of inner teeth disposed on the inner ring that partially define a gap between the first...
US20090091316 TURNING DEVICE POSITION SENSING SYSTEM AND METHOD  
A system for determining an absolute position of a motor. The system includes first and second multi-polar magnetic rings, first and second processing units, and at least one external sensor The...
US20120234624 ELECTRIC POWER STEERING APPARATUS  
In an electric power steering apparatus, a switch means (40) is provided with a shutoff means (70) which extends from one to another of at least two fixed contact points so as to shut off an...
US20110130922 ELECTRIC POWER STEERING SYSTEM  
An electric power steering system includes a power supply, a driving motor for supplying mechanical power, and an electric power steering controller configured to control the driving motor and...
US20080251311 Superimposed Steering System Comprising a Mechanical Return Level  
A superimposed steering system of a vehicle steering system, has an input shaft and an output shaft that are at least partially rotationally mounted on a support system fixed to the vehicle body,...
US20150175198 ELECTRIC POWER STEERING APPARATUS  
An electric power steering apparatus includes an input shaft to which steering force from a steering wheel is applied, an output shaft to which assisting force generated by an electric motor is...
US20130277137 VEHICLE HAVING COMPACT CONFIGURATION  
A strut suspension is disposed on a vehicle front side of a rotation center of a front wheel. A rack and pinion mechanism is disposed on a vehicle front side of the strut suspension. Since the...
US20090195104 PERMANENT MAGNET SYNCHRONOUS MOTOR  
To obtain a permanent magnet synchronous motor suitable for an electric power steering system, in which the magnet thickness (magnet used amount) can be reduced while securing demagnetization...
US20080109134 METHODS, SYSTEMS, AND COMPUTER PROGRAM PRODUCTS FOR CALCULATING A TORQUE OVERLAY COMMAND IN A STEERING CONTROL SYSTEM  
A method, system, and computer program product for calculating a torque overlay command in a steering control system is provided. The method includes receiving a current hand wheel angle,...
US20060247838 Method for detecting a real value of a manipulated variable, particularity of a steering angle  
The invention provides a process for the determination of an actual value of a control variable set by an actuator in accordance with a theoretical value. The process is thereby characterized in...
US20100044144 Circular-Shaped Linear Synchronous Motor, Electromagnetic Suspension and Motor-Driven Steering Device Using the Same  
Disclosed are a high-damping and high-thrust cylindrical linear motor and a motor-driven power steering device. A stator includes three-phase stator and a stator core. A slider includes a slider...
US20100170741 MOTOR AND ELECTRIC POWER SUPPLY CONTROL APPARATUS FOR THE MOTOR  
In a ring body of a stator, permanent magnets are arranged in alternate inter-pole magnetic path portions located between an even number of stator poles so that magnetic fields pointing in the...
US20120043155 SYNCHRONOUS MACHINE  
The invention relates to an electric machine (1) comprising: —a rotor (4) having 14 rotor poles (8) which is arranged rotatably about a central axis and—a stator (2) having 12 stator teeth (3)...
US20110284312 ELECTRIC POWER STEERING DEVICE  
An electric power steering device is provided with a construction that can suppress the generation of stick slip between the outer peripheral face of a rotation shaft (13), and the inner...

Matches 1 - 50 out of 156 1 2 3 4 >