Matches 1 - 41 out of 41


Match Document Document Title
US20090133954 Rear axle steering system for a mobile crane  
A rear axle steering system for a mobile crane including at least one actively steered rear axle with wheels arranged thereon. A rear axle steering system of this type is provided with a hydraulic...
US20090133953 POWER STEERING SYSTEM HAVING A VARIABLE-RATIO DRIVE MECHANISM FOR A VEHICLE  
A power steering system for translating movement to a pair of wheels of a vehicle having an engine is disclosed. The system includes a steering assembly adapted for coupling engagement to the...
US20100059307 Device for Controlling Torsional Stiffness of Power Steering System  
A device for controlling torsional stiffness of a power steering system, may include a variable torsion bar, an input shaft that is connected with a steering wheel, a pinion shaft equipped with a...
US20080006468 Multiple Ratio Steering For Loader  
A multiple-speed steering system for an off-road vehicle having a loading mechanism and a hydraulic steering system associated with guiding the vehicle. The multiple-speed steering system includes...
US20090139223 FUEL EFFICIENT HYDRAULIC POWER STEERING  
A hydraulic power steering system that maintains proportional pressure control between an input side of a gear and assist pressures internal to the steering gear by relying upon a control valve. A...
US20090101430 POWER STEERING APPARATUS  
A power steering apparatus includes a steering shaft, a hydraulic power cylinder connected to the steering shaft and having first and second hydraulic chambers, a hydraulic pump that discharges a...
US20070193817 Hydraulic power steering  
A hydraulic power steering system for a vehicle includes a first, hydraulic actuator for making available steering power or auxiliary steering power for adjusting the steering angle of one or more...
US20150047919 UNIVERSAL CARTRIDGE TORQUE OVERLAY ASSEMBLY  
In one aspect of the invention, a power steering assist system is provided. The system includes a housing, an actuator assembly, a rotary valve assembly, a bearing assembly, a differential...
US20140332308 POWER STEERING ASSEMBLY WITH DIFFERENTIAL ANGLE SENSOR SYSTEM  
A power steering assembly having an input shaft for connection to a steering wheel, an output shaft coupled to the input shaft for operational engagement with a steering rod, a servo controller,...
US20130015013 POWER STEERING APPARATUS  
A power steering apparatus including a power cylinder, first and second pumps, a control valve serving for selectively supplying a working fluid supplied from the first or second pump to one of a...
US20060169523 Power steering device for four-wheel drive vehicle  
The present invention offers a power steering device for a four-wheel drive, which includes: a first self-aligning torque estimation unit for estimating a self-aligning torque generated in a...
US20130118826 POWER STEERING SYSTEM  
A power steering system includes: a hydraulic cylinder that generates a steering assist force; a hydraulic control valve that has a spool that adjusts the state of supply and drainage of the...
US20090038876 Steering System  
A steering system, comprising: an input cylinder having a first hydraulic chamber and a second hydraulic chamber; a transmission mechanism, wherein a transmission efficiency for converting and...
US20110093167 Power Steering Systems  
A power steering system comprises a hydraulic circuit, a pump arranged to pressurize hydraulic fluid and valve means arranged to control the flow of pressurized fluid in the hydraulic circuit to...
US20130075188 APPARATUS FOR USE IN TURNING STEERABLE VEHICLE WHEELS  
An apparatus (10) for use in turning steerable vehicle wheels (14, 16) includes a hydraulic power steering motor (12). A pump (26) is connected in fluid communication with the hydraulic power...
US20110266084 METHOD OF RELIEVING POWER STEERING ASSIST AND A POWER STEERING SYSTEM UTILIZING THE METHOD  
A power steering system for a ground vehicle includes an accumulator that supplies high-pressure fluid through a control valve to a fluid motor that drives the steerable wheels of the vehicle. A...
US20120160594 Power Steering System  
Disclosed is a power steering system comprising: a control valve disposed in the steering mechanism to selectably supply a working liquid supplied from a first pump or a second pump to a pair of...
US20100307857 STEERING OPERATION DEVICE  
In a steering operation device, a hydraulic actuator is driven by hydraulic pressure and vary the steering angle of the vehicle. A steering valve adjusts the flow rate of oil supplied to the...
US20130161113 HYDRAULIC POWER STEERING SYSTEM  
When an ECU is powered on, an overall control unit determines whether a temperature detected by a temperature sensor is lower than or equal to a predetermined temperature. When it is determined...
US20090000855 POWER STEERING DEVICE  
Right-turn and left-turn aimed input shaft drive mechanisms are provided, each comprising a piston unit that slides in a bore formed in an output shaft and a contact surface that is formed on an...
US20130075187 APPARATUS FOR USE IN TURNING STEERABLE VEHICLE WHEELS  
An apparatus (10) for use in turning steerable vehicle wheels (14, 16) includes a hydraulic power steering motor (12). A pump (26) having an outlet port (28) is connected in fluid communication...
US20120000725 Engine-Off Power Steering System  
Motor vehicles are equipped with a center-closed power steering system to provide power steering assistance in engine-off conditions for reduced fuel consumption. The power steering system...
US20130075186 APPARATUS FOR USE IN TURNING STEERABLE VEHICLE WHEELS  
An apparatus includes a hydraulic power steering motor. A continuously variable transmission has an input shaft rotatable under the influence of force transmitted from the engine and an output...
US20110022272 POWER ASSIST STEERING SYSTEM  
The present invention provides a power assist steering system for use with a motor vehicle utilizing a torque sensor and an electronically controlled hydraulic valve used to supply or meter...
US20140332309 STEERING SYSTEM FOR WHEELED CONSTRUCTION EQUIPMENT  
Disclosed is a steering system which is capable of ensuring that a wheeled excavator travels straight while being driven on a paved road. The steering system for wheeled construction equipment...
US20100320024 HYDRAULIC STEERING  
The invention concerns a hydraulic steering (1) with a steering unit (2) with feedback behaviour, a steering motor (8) connected to the steering unit (2) via working pipes (L, R), a steering...
US20130037340 SYSTEM AND METHOD FOR SELECTIVELY CHARGING AND DISCHARGING A STEERING ACCUMULATOR  
A system and method for selectively charging and discharging a steering accumulator are provided. One vehicle steering system includes a hydraulic pump configured provide a source of pressurized...
US20120097471 HYDRAULIC POWER STEERING APPARATUS  
A hydraulic power steering apparatus assists in steering of a vehicle with a hydraulic cylinder. The hydraulic power steering apparatus includes a flow control valve, a steering torque sensor, a...
US20130066522 STEERING SUPPORT SYSTEM FOR A TWO-WHEELER AS WELL AS A CONTROL FOR SUCH A STEERING SUPPORT SYSTEM  
A control for a steering support system for a two-wheeled vehicle is provided. The steering support system has an actuator with the aid of which a steering torque is applied to the two-wheeled...
US20110313621 POWER STEERING APPARATUS AND METHOD  
An apparatus for use in turning steerable vehicle wheels includes a power steering motor assembly connected with the steerable vehicle wheels. An engine driven pump connected with the power...
US20100228439 STEERING SYSTEM FOR ENGINEERING VEHICLE  
A hydraulic steering unit 5 generates a control pressure corresponding to the rotational quantity and rotational direction of the steering wheel 109 on the basis of pressurized oil of a pilot pump...
US20170106893 TURNING DEVICE FOR A STEERED WHEEL OF A ROLLING MACHINE  
The invention relates to a turning device for a steered wheel of a rolling machine, the device including: a yoke (20),an assembly (10) for mounting the steered wheel, including an end piece (11)...
US20170101128 POWER STEERING ASSEMBLY WITH DIFFERENTIAL ANGLE SENSOR SYSTEM  
A power steering assembly for a hydraulic power steering system of motor vehicles includes an input shaft configured for connection to a steering wheel, an output shaft coupled to the input shaft...
US20170072998 LOAD-REACTION SWITCHING VALVE ASSEMBLY  
A steering system for a vehicle includes a fluid pump, an actuator in selective fluid communication with the fluid pump, a hydrostatic steering system and an electro-hydraulic steering system. The...
US20160332663 HYDRAULIC STEERING SYSTEM  
A hydraulic steering system (1) is described comprising a steering unit (3) and a pressure source (4), said steering unit (3) comprising a working port arrangement (L, R) having two working ports,...
US20160332662 HYDRAULIC STEERING SYSTEM  
A hydraulic steering system 1 is described comprising a steering unit and a priority valve, said steering unit comprising a working port arrangement having two working ports, a supply port...
US20160332661 HYDRAULIC STEERING UNIT AND HYDRAULIC STEERING SYSTEM  
A hydraulic steering unit (3) is disclosed comprising a working port arrangement (L, R) having two working ports (L, R), a supply port arrangement having a high pressure port (P) and a low...
US20160244090 Hydraulic Steering Control System  
A hydraulic fluid supply portion of a hydraulic steering control system may include an accumulator holding a quantity of pressurized steering fluid, and a priority valve. The priority valve may...
US20160200349 STEERING SYSTEM HAVING DUAL STEERING RATIOS  
A power steering system having two or “dual” steering ratios is provided. The power steering system includes a transmission having first and second gear ratios, a steering gear coupled to the...
US20150298729 POWER STEERING SYSTEM FOR A VEHICLE  
A power steering system includes a first steering mechanism designed to control the steering of at least one of the wheels of a steered axle and includes a mechanical transmission of the movement...
US20120109459 HYDRAULIC STEERING SYSTEM COMPRISING A FIRST AND A SECOND STEERING MEMBER AND VEHICLE COMPRISING A HYDRAULIC STEERING SYSTEM  
A hydraulic steering system for a vehicle includes a first steering member and a second steering member, wherein the first steering member is operationally connected to a first steering valve unit...

Matches 1 - 41 out of 41