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WO/2021/091194A1 |
According to the embodiments of the present invention, the drive feel suitable to given conditions is provided to a driver by generating friction when a steering shaft is rotated to enhance the drive feel of the driver, limiting the maxi...
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WO/2021/091193A1 |
According to the embodiments of the present invention, the drive feel suitable to given conditions is provided to a driver by generating friction when a steering shaft is rotated to enhance the drive feel of the driver, limiting the maxi...
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WO/2021/085928A1 |
According to the embodiments of the present invention, the range of control for the frictional force on a steering shaft is increased, the frictional force can be sustained at a set level to enhance the steering feel, the number of parts...
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WO/2021/085945A1 |
The present embodiments may provide a steer-by-wire steering apparatus which enables a driver to use a function for controlling an automobile, such as automatic parking, lane keeping, driving assistance according to a road surface condit...
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WO/2021/072856A1 |
A trolleybus travel system and a trolleybus. The travel system is arranged below a body of the trolleybus. The travel system comprises: an axle bridge (1) extending along a transverse direction, two ends of the axel bridge being connecte...
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WO/2021/074189A1 |
The invention relates to a steering transmission (120) for an electromechanical steering system for a vehicle. The steering transmission (120) comprises an electric motor (230), a servo transmission (240) and an angle transmission (250) ...
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WO/2021/074190A1 |
The invention relates to a steering gear (120) for an electromechanical steering system for a vehicle. The steering gear (120) comprises an input shaft (122) that can be coupled or connected to a steering column of the steering system, a...
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WO/2021/072854A1 |
Disclosed are a traveling system of a trolleybus, and a trolleybus. The traveling system is configured to be arranged below a trolleybus body in the trolleybus, and the traveling system comprises: an axle (1) extending in a transverse di...
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WO/2021/051176A1 |
In-wheel running system, in which the systems that make up the running gear of a vehicle, namely rolling assemblies (tyres and bearings), wheel, brakes, suspension, steering and traction (electric motor), are mounted in a compact configu...
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WO/2021/054681A1 |
In a steer-by-wire steering apparatus according to embodiments of the present invention, a structure for preventing rotation of a sliding bar in order to allow the sliding bar to slide in the axial direction by the torque of a motor or a...
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WO/2021/044685A1 |
According to the present invention, a method for manufacturing a rack bar includes: a rolling dies contacting process in which a pair of rolling dies are brought into contact with an intermediate section of a workpiece; and a ball screw ...
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WO/2021/045493A1 |
The present embodiments relate to a worm wheel of a steering system speed reducer, and provide a worm wheel of a steering system speed reducer, and a manufacturing method therefor, the worm wheel comprising: an external toothed part havi...
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WO/2021/028348A1 |
The invention relates to a rack steering system and to a motor vehicle having such a rack steering system. The rack steering system according to the invention comprises a steering gear housing (12), a toothed rack (14), which extends thr...
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WO/2021/025345A1 |
The present invention relates to a steering system for a vehicle, the steering system comprising a steering unit comprising a steering wheel; a steering-feel unit for generating a steering reaction force when the steering wheel is rotate...
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WO/2021/017643A1 |
A bearing bushing, comprising: a bushing body and a buffer member fixed therein. The buffer member comprises a spring piece. The spring piece is provided on the top of the bushing body, and comprises an extending part and a fixed part. T...
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WO/2021/010419A1 |
This rotation transmission device has rollers (7a, 7b) incorporated in between the inner periphery of an outer race (6) and the outer periphery of an inner race (5), an armature (31) supported so as to move in an axial direction due to c...
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WO/2021/009964A1 |
A steering device (100) comprises: a rack shaft (30) that steers a wheel (1); bushings (35, 36) that support the rack shaft (30) in a slidable state; tie rods (41a, 41b) coupled with the rack shaft (30); and boots (37a, 37b) that cover a...
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WO/2021/007424A1 |
A valve (400) for hydraulic parallel work systems (100) is provided. The valve (400) includes a first pair of ports (416, 416a-b), a second pair of ports (422, 422a-b), a first connection, and a second connection. The first connection is...
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WO/2021/004160A1 |
A direction adjusting device (100) and an application thereof. The direction adjusting device (100) is allowed to be installed in a steering system (220) of a traveling body (200), and comprises a driving element (10) and a linkage eleme...
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WO/2020/254874A1 |
An apparatus for use in turning steerable vehicle wheels includes a steering member connected to at least one steerable vehicle wheel. The steering member moves axially to effect turning movement of the at least one steerable vehicle whe...
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WO/2020/246787A1 |
Disclosed are a steering control device, a steering control method, and a steering support system including same. Particularly, a steering control device according to the disclosure comprises: a command value calculation unit for calcula...
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WO/2020/240736A1 |
A hybrid electric vehicle (HEV) 1 uses electrical power generated by an internal combustion engine (ICE) 2 and drives front wheels 9 by a motor generator 4 through a drive shaft 10. A lower part of the internal combustion engine 2 is dis...
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WO/2020/235864A1 |
According to the present embodiments, provided is a rack-driven power assisted steering device in which a rolling member supporting the rotation of a ball nut is provided in a double row, a ball nut assembly is coupled to a housing throu...
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WO/2020/231160A1 |
The present embodiments relate to a steer-by-wire type steering apparatus, which prevents a steering shaft from mechanically rotating by means of a gear structure when a driver turns the steering wheel at the maximum rotation angle or gr...
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WO/2020/213423A1 |
A clearance is provided between an inner perimeter of a bushing main body (2), which crosses a row of rack gear teeth (50) and surrounds a rack (5), and an outer perimeter of the rack (5), and two supporting surfaces (21A, 21B), which sa...
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WO/2020/207582A1 |
The present invention concerns a rack-and-pinion gearing assembly (5) comprising a pinion (10), a rack (11) in meshing engagement with the pinion (10), a rack bushing (16) supporting the rack, a yoke (14) engaging the rack (11) in a tran...
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WO/2020/202775A1 |
An electric power steering device (100) is provided with a steering shaft (20); an electric motor (50) that provides rotational torque to the steering shaft (20); a deceleration part (42) that transmits rotation of the electric motor (50...
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WO/2020/194667A1 |
A steering control device 100 comprises: a motor rotation angle calculation unit 151 that calculates the rotation angle θm of an electric motor 110 that supplies power to be transmitted to a rack shaft; a rack position ascertaining unit...
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WO/2020/184857A1 |
According to embodiments of the present invention, when a driver applies steering torque greater than the reaction torque of a reaction motor to a steering shaft, the steering shaft is mechanically prevented from rotating any more, and t...
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WO/2020/184894A1 |
The present disclosure relates to an unlocking method, an unlocking device, and a steering assistance apparatus including same. Particularly, a steering assistance apparatus according to the present disclosure comprises: a steering angle...
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WO/2020/184853A1 |
Provided are an apparatus for overlay control of an electric power steering system, and a method therefor. The apparatus for overlay control of an electric power steering system according to an embodiment of the present invention compris...
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WO/2020/184883A1 |
The present embodiments relate to a steer-by-wire steering apparatus. According to the present embodiments, provided is a steer-by-wire steering apparatus which, when the rotation of a wheel reaches a maximum point, limits the rotation o...
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WO/2020/184893A1 |
The present disclosure relates to a steering assistance system, a steering control device, and a steering control method. Specifically, the steering control device according to the present invention calculates a target rack stroke on the...
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WO/2020/184866A1 |
Embodiments of the present invention relate to a rack-driven electric power assisted steering device. Embodiments of the present invention provide a rack-driven electric power assisted steering device comprising: a rack bar which slides ...
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WO/2020/179323A1 |
An electric power steering device (100) in which, when the distance within a first projection plane (P1) from a first intersection point (IP1) at which a first projection center line (PCL1) and a first center line (CL1) intersect to the ...
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WO/2020/178376A1 |
An apparatus for use in turning steerable vehicle wheels includes a steering column having a pinion connected with a vehicle steering wheel such that rotation of the steering wheel results in rotation of the pinion. An electrically power...
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WO/2020/179324A1 |
An electric power steering device (100) is provided with: a rack housing (34) storing a rack shaft (30); a worm housing (45) having a storing part (45a) storing a worm wheel (44), and a boss part (45b) arranged to protrude from the outer...
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WO/2020/177686A1 |
An apparatus includes a housing (202). A column gear (208) is positioned within the housing (202) and adapted to be coupled to a steering column (212), and the column gear (208) has a first diameter (D1), rotates about a first axis (214)...
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WO/2020/166525A1 |
The present invention achieves a manufacturing method with which the generation of frictional heat required for frictional pressure welding of the axial end sections of a first shaft part and a second shaft part is not easily interfered....
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WO/2020/157861A1 |
A steering device 1 comprises: a housing 30 that covers the circumference of a portion of a rack shaft 3; a resin cover 100 that is attached to the housing 30 so as to cover an opening formed in the housing 30 and that has a through hole...
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WO/2020/159311A1 |
The present disclosure relates to a power assist control apparatus and a power assist control method. The power assist control apparatus according to the present disclosure comprises: a main motor driven at a first rotation speed; a sub-...
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WO/2020/158616A1 |
A rack bar (10) includes a hollow shaft member (12) including a rack (11) configured to engage with a pinion, and a screw member (13) joined to a axial end portion (12a, 12b) of the shaft member (12). The screw member (13) includes an ex...
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WO/2020/145848A1 |
The invention relates to motor vehicle steering mechanisms, and more particularly to rack-and-pinion steering mechanisms operating on the principle of "drive pinion – driven toothed rack" and intended for changing the position of the s...
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WO/2020/137552A1 |
This linear motion shaft, in which a first shaft and a second shaft are coupled by friction welding, has improved coaxiality between a section having a first input part and a section having a second input part. A screw shaft 29, which is...
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WO/2020/134622A1 |
A magneto-rheological fluid-based recirculating ball electro-hydraulic steering system and an optimization method therefor. Said system comprises: a mechanical transmission module, an electric power assist module, a magneto-rheological f...
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WO/2020/137551A1 |
In this linear drive shaft in which a rack shaft part and a ball screw shaft part are joined to each other through friction pressure welding, the coaxiality between a portion having the rack shaft part and a portion having the ball screw...
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WO/2020/134621A1 |
An automobile electro-hydraulic intelligent steering system and a multi-objective optimization method therefor, the system comprising a mechanical steering module, an electric power assist module, an electro-hydraulic power assist module...
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WO/2020/130479A1 |
The present disclosure provides a steering control apparatus, a steering control method, and a steering apparatus. Specifically, the steering control apparatus comprises: a reception unit for receiving steering correction condition infor...
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WO/2020/129401A1 |
The purpose of the present invention is to improve the performance of a steering device. Inside a housing 11 of a steering device 1, a rack 10 movable in the X direction is provided, and a magnetic pattern 30 having a plurality of N-pole...
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WO/2020/130488A1 |
According to the present embodiments, a torque applied to a torsion bar is attenuated to thus relatively increase the rigidity of the torsion bar, thereby improving the response performance to a driver's steering wheel operation, increas...
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