877 patents
Page 3 of 44
Utility
Electro-mechanical Brake and Vehicle Having the Same
27 Apr 23
Provided are an electromechanical brake and a vehicle including the same.
Woochul LIM, Dae June JUNG, Joon-Kyu SONG
Filed: 27 Oct 22
Utility
Swarm Robot Control Apparatus and Method
20 Apr 23
A swarm robot control apparatus and method according to various aspects of the present disclosure can improve the patrol and surveillance efficiency of swarm robots.
Joonhoo LIM
Filed: 14 Oct 22
Utility
o53037oslz9fhjpmvzszgrtkeviy8gkbcaod2ld2wv05v
20 Apr 23
A brake assembly comprises: a brake piston configured to be movable for a brake apply or release and having an inner wall forming a piston cavity, wherein a groove is formed on the inner wall of the brake piston; a linearly movable structure positioned within the piston cavity of the brake piston and configured to be linearly movable within the piston cavity; and a resilient material, wherein a part of the resilient material is located within the groove formed on the inner wall of the brake piston and the other part of the resilient material is disposed on an outer surface of the linearly movable structure so that the resilient material is engageable with a surface of the groove formed on the inner wall of the brake piston to move the brake piston by restoring force of the resilient material in response to linear movement of the linearly movable structure.
HyungJin BAEK, Daniel SMITH
Filed: 14 Oct 21
Utility
471vmz4qdpmej2za4drk0 ra3chnxmh1346rlgtuh
11 Apr 23
A motor control system shorts motor windings of a motor by using junction gate field-effect transistors (JFETs) controlled bipolar junction transistors (BJTs), solid state relays (SSRs) controlled BJTs, and depletion mode metal-oxide-semiconductor field-effect transistors (MOSFETs) so that the motor generates braking torque when all or some electric control units of the motor are disabled or failed.
Shakil Hossain, Lucas Ritter, Awab Ali, Tomy Sebastian, Kade Hudson
Filed: 27 Mar 20
Utility
ud4a a2npv7rbysv5u271n5v9wos
6 Apr 23
The electronic parking brake system according to an exemplary embodiment of the present disclosure includes a first ECU (electronic control unit) and a second ECU respectively connected to a plurality of motors for providing a driving force to a wheel to control the plurality of motors, wherein the second ECU includes a power reserve system for storing power supplied from a battery; a switch for switching to connect the plurality of motors to the first ECU or the second ECU based on the operating state of the first ECU; and a second MCU for identifying an operating state of the first ECU, controlling the switch to connect the plurality of motors from the first ECU to the second ECU based on the operating state being an inactive state, and controlling the plurality of motors through the power stored in the power reserve system.
Min Ho KIM
Filed: 8 Aug 22
Utility
njajeblbp1yaiecqvde551rhqzit kkkaje9nq
6 Apr 23
A steer by wire type steering apparatus according to the present embodiments comprises a rotating shaft that rotates in conjunction with a steering shaft, a housing provided with a ball seating portion at one end and a ball is coupled and supported between the ball seating portion and an inner circumferential surface of the rotating shaft, a support member disposed inside the housing and provided with a protruding support portion for supporting the ball to one side in a circumferential direction while protruding in an axial direction, a ball support elastic member coupled to the housing and elastically supporting the ball to another side in the circumferential direction, and an actuator for moving the support member in the axial direction.
Seong Moo HEO
Filed: 26 Sep 22
Utility
prf9s65uv1bwdmkcamjogxk9cvfkmf382roa8x36x1ohr8y4cf6b9amo2
30 Mar 23
The present disclosure relates to a frequency sensitive shock absorber, and the frequency sensitive shock absorber includes a piston rod coupled so that one side is located inside a cylinder and the other side is located outside the cylinder, a main valve coupled to the piston rod and partitioning an inner space of the cylinder into a compression chamber and a tension chamber, a sub-piston rod coupled to one side of the piston rod and interlocked with the piston rod to reciprocate along a longitudinal direction of the cylinder, and a sub-valve module coupled to the sub-piston rod and generating a damping force according to a frequency during a tension stroke.
Kyudo KIM, Dong Won KANG, Kwang Duk BAEK
Filed: 19 Sep 22
Utility
e382 1fwffnqk5oownqje1q5e8wzx0emhj3
30 Mar 23
According to various example embodiments, there is provided a steering column for an automotive vehicle including, an inner tube 100 surrounding a steering shaft 120, an outer tube 110 into which the inner tube 100 is inserted, a nut screw 230 mounted on the outside of the outer tube 110 and fixed to the inner tube 100, and a first lead screw 210 which is inserted into the nut screw 230 and screwed therein and is rotated by a motor.
Jong Han Kim, Sang Hyun Park
Filed: 30 Apr 22
Utility
8aglmnfjwijspmd63rt8tcr40de4bcg4t6fvj4jw3r5r060k58fmywf1s8
30 Mar 23
The embodiments relates to a steering control device and method.
TaeHyung SUN, Tae Sik KIM
Filed: 26 Sep 22
Utility
7p5yu0425wxuuxmfsrbaqmr ak72cawy0j896ylhl44bh
23 Mar 23
Disclosed is an apparatus for moving a brake pedal.
Jusung LEE
Filed: 25 Feb 21
Utility
aieu83 4ts3m9ongfezwa
23 Mar 23
The present disclosure relates to an electronic brake system including a reservoir in which the pressurized medium is stored, a hydraulic pressure supply device provided to generate a hydraulic pressure by moving a hydraulic piston forward or backward and having a first pressure chamber provided on a front side of the hydraulic piston and a second pressure chamber provided on a rear side of the hydraulic piston, a hydraulic control unit provided to control a flow of the hydraulic pressure to be transmitted from the hydraulic pressure supply device to a wheel cylinder, a longitudinal acceleration sensor provided to detect a longitudinal acceleration of a vehicle, and a controller provided to control the hydraulic pressure supply device and the hydraulic control unit, wherein the controller determines the hydraulic pressure generated by the hydraulic pressure supply device based on the longitudinal acceleration of the vehicle, determines a braking mode based on the determined hydraulic pressure, and performs the determined braking mode.
Hakburm KIM
Filed: 4 Feb 21
Utility
lpyctr58qim4dzx8g68le
23 Mar 23
Disclosed is a device for moving a brake pedal.
Sang-soo HAN
Filed: 25 Feb 21
Utility
vj92jtpe6hspp3uwa2p wkbvoq66
21 Mar 23
A vehicle of the disclosure includes an apparatus for assisting driving of a host vehicle.
Dookyum Kim
Filed: 1 Jun 21
Utility
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16 Mar 23
Disclosed is an apparatus for moving a brake pedal.
Kwangseok HONG
Filed: 25 Feb 21
Utility
9mflhjkzwuo6p6gs0nasqbhmeygg179bvaw982 0xs5a105t6c
16 Mar 23
An electric power steering apparatus includes: a pinion shaft connected to a steering shaft coupled to a steering wheel, the pinion shaft being configured to transmit an operation of the steering wheel by a driver; a rack bar elongated along a lateral direction of a vehicle, having a first screw recess defined with a predetermined length in a portion of an outer circumferential surface of the rack bar, and including, on one side, a rack gear coupled to and interlocked with the pinion shaft; a motor configured to generate a steering assist power in proportion to a steering torque applied to the steering wheel; and a roller screw unit rotatably engaged with and coupled to the first screw recess to transmit the steering assist power generated from the motor to the rack bar.
Woong Soo SHIN
Filed: 31 Aug 22
Utility
icx95enn3tuwykj8toffdirud0udubg0fk4ghp85rpjkxt
16 Mar 23
Disclosed herein an electric parking brake including a ball-screw type power conversion unit installed in a caliper housing to convert a rotational force into a linear motion, The electric parking brake includes a motor configured to generate a rotational force, a first gear unit including a first connection portion, the first connection portion directly connected to a main helical gear provided on a motor shaft of the motor, a second gear unit including a second connection portion, the second connection portion spaced apart from the first connection portion by a predetermined distance and directly connected to the main helical gear, and a reduction gear unit connected to any one of the first gear unit and the second gear unit and configured to transmit the rotational force generated from the motor to a spindle of the power conversion unit, wherein any one of the first and second gear units is configured to perform a self-locking function when a parking braking force is generated.
Woochul LIM, Daejune JUNG
Filed: 14 Sep 22
Utility
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16 Mar 23
An electric power steering apparatus according to the present embodiments comprises an input shaft connected to an steering shaft, a first output shaft coupled to the input shaft, a first gear provided at one end of the first output shaft, a second gear meshed with the first gear, a second output shaft provided with the second gear at one end and having an outer screw groove formed on an outer circumferential surface of a position spaced apart from the second gear in an axial direction and rotating in conjunction with the second gear, and a sliding member having an inner screw groove corresponding to the outer screw groove formed on an inner circumferential surface thereof, coupled to the second output shaft via a ball, and sliding in an axial direction to operate a link connected to vehicle wheels.
Sang Hee AHN, Kyung Min KO
Filed: 13 Sep 22
Utility
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9 Mar 23
In an autonomous driving robot control system using a non-high definition map and a high definition map which is capable of operating a robot even in an area where the high definition map is not acquired, and a method of driving the same, the system includes: a control system; and a robot controlled according to an instruction from the control system, wherein the robot searches for a travel route based on the high definition map in a high definition map acquired area, and the robot searches for a travel route based on the non-high definition map in a high definition map unacquired area.
Joonhoo LIM
Filed: 2 Sep 22
Utility
sj56ulmejxatdcacqodk3kh3atrl1xon9jgs8ah
9 Mar 23
Provided is an electronic brake system including: a hydraulic pressure supply device including a motor, and configured to generate a hydraulic pressure by rotating the motor to move a piston in a first direction or a second direction; a hydraulic circuit configured to guide the hydraulic pressure generated by the hydraulic pressure supply device to a wheel cylinder; a motor position sensor configured to detect a rotation of the motor; a pressure sensor configured to detect a hydraulic pressure of the hydraulic circuit; and a controller configured to identify a position of the piston based on the rotation of the motor, and if the detected hydraulic pressure is greater than or equal to a reference pressure, identify whether a target pressure is securable based on the position of the piston, and control a direction change of the piston based on whether the predetermined target pressure is securable.
Yulshin PARK
Filed: 4 Feb 21
Utility
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9 Mar 23
An electronic parking brake system including: an electronic parking brake including a pair of brake pads disposed on both sides of a brake disc rotating with a rear wheel of a vehicle, a piston provided to press the pair of brake pads, a nut member provided to press the piston, a spindle member provided to move the nut member, and a motor configured to rotate the spindle member; and a controller electrically connected to the motor and configured to perform a parking operation for the EPB, wherein the controller is configured to detect an inrush current flowing through the motor during the parking operation, and identify a low voltage fault based on the detected inrush current.
Yeonghan YUN
Filed: 23 Aug 22