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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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)... |
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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... |
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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... |
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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,... |
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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... |
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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... |
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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... |
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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... |
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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... |
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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... |