Patents Assigned to HL MANDO CORPORATION
  • Patent number: 12187247
    Abstract: Disclosed herein an electronic brake system includes a first block in which a mechanical unit operated mechanically in association with a brake pedal is disposed; a second block in which an electrical unit electronically operated and controlled by an electronic control unit is disposed; and a connection line configured to hydraulically connect the first block and the second block, and the first block and the second block are installed at positions spaced apart in a vehicle so that mountability of the brake system and the degree of freedom in design of the vehicle may be improved.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: January 7, 2025
    Assignee: HL MANDO CORPORATION
    Inventor: Jin Seok Kim
  • Patent number: 12187250
    Abstract: Disclosed is an electronic parking brake system including an electronic front-wheel parking brake provided on a front wheel side of a vehicle and configured to be operated by a front wheel motor, an electronic rear-wheel parking brake provided on a rear wheel side of the vehicle and configured to be operated by a rear wheel motor, a motor driving device configured to drive at least one of the front wheel motor and the rear wheel motor, and a controller electrically connected to the motor driving device, wherein the controller receives operation mode selection information in which an operation mode for operating at least one of the electronic front-wheel parking brake and the electronic rear-wheel parking brake is selected, and controls the motor driving device to operate at least one of the electronic front-wheel parking brake and the electronic rear-wheel parking brake in response to the operation mode of the received operation mode selection information.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: January 7, 2025
    Assignee: HL MANDO CORPORATION
    Inventors: Chan Won Lee, Taewoong Oh
  • Patent number: 12187360
    Abstract: A steering control device and a steering control method are disclosed. Particularly, a steering control device according to the disclosure comprises: a command current calculation unit for calculating a first command current on the basis of detected steering wheel steering information; a resistance calculation unit for calculating internal resistance on the basis of a detected internal temperature; a supply current estimation unit for estimating the supply current of a battery on the basis of an input supply voltage of the battery, the first command current and the internal resistance; and a command current applying unit for comparing the supply current and a preset reference current and, if the supply current is greater than the reference current, changing the first command current to a second command current and applying the second command current to a steering motor.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: January 7, 2025
    Assignee: HL MANDO CORPORATION
    Inventor: Tae Sik Kim
  • Patent number: 12187362
    Abstract: The present embodiments relates to a steering control device and method of a vehicle and may provide a steering control device and method for a vehicle, which may secure stably steered driving by controlling the output of the steering motor by changing the average steering ratio when the driver causes urgent steering in a failure situation and adjusting the rack stroke and rack speed.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: January 7, 2025
    Assignee: HL MANDO CORPORATION
    Inventors: TaeHyung Sun, Tae Sik Kim
  • Patent number: 12187361
    Abstract: According to a steer-by-wire steering apparatus of the present embodiments, by means of offsetting a gap due to abrasion occurring in a rotation preventing member for preventing the rotation of a sliding bar as the sliding bar connected to wheels slide, noise is reduced, precision of a sensor for sensing the position of the sliding bar is enhanced, and sensor precision degradation due to moving or bending of the sliding bar can be prevented.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: January 7, 2025
    Assignee: HL MANDO CORPORATION
    Inventor: Kyung Sub Shin
  • Publication number: 20250001983
    Abstract: Disclosed are a stroke sensor apparatus for a brake pedal and an electronic brake system including thereof. The stroke sensor apparatus for a brake pedal and the electronic brake system including thereof according to the exemplary embodiments may be provided, which include: a hydraulic block; a rod assembly including a rod which moves linearly by operation of the brake pedal and having at least a part disposed in the hydraulic block; a magnet assembly including a magnet which moves with the same displacement as a displacement of the rod, and a magnet assembly path penetrating a central axis of the magnet, and disposed in the hydraulic block; and a sensor sensing a magnetic field change of the magnet, and generating an electrical signal corresponding to the displacement of the rod.
    Type: Application
    Filed: June 18, 2024
    Publication date: January 2, 2025
    Applicant: HL MANDO CORPORATION
    Inventors: Yeonseong KIM, Byungki KIM
  • Patent number: 12179854
    Abstract: According to the disclosure, the steering control device and method may enhance the driver's steering feeling by correcting the steering torque due to a difference in linear distance despite a difference in the linear distance from the rotation axis according to the position of the pressure applied to the steering wheel shaped so that the linear distance from the rotation axis increases/decreases.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: December 31, 2024
    Assignee: HL MANDO CORPORATION
    Inventor: SeungWoo Cheon
  • Patent number: 12179833
    Abstract: Disclosed is a steering apparatus including a pair of plate brackets provided on two sides of an outer tube and including tilt long holes formed in a vertical direction, a cam unit coupled to an outer side of any one of the pair of plate brackets to apply a pressure inward, and an adjusting unit coupled to an outer surface of the cam unit to adjust rotation of the cam unit, wherein the adjusting unit includes a first spring installed outside the cam unit, a plunger of which one end is in contact with the first spring and the other end is provided with a push button, a stopper provided in a hollow shape through which the plunger passes, a position of the stopper is fixed to a vehicle body, a guide pin formed to protrude from an outer circumferential surface of the plunger, and a guide member provided in a hollow shape through which the plunger passes, fixed to an outer side of the stopper, and including a guide groove in which the guide pin is accommodated, and the guide groove includes a diagonal groove forme
    Type: Grant
    Filed: July 17, 2023
    Date of Patent: December 31, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Dinesh Veeraraghavan, Prakash Anbazhagan, Vaadi Vijaya Kumar, Preetham Mohandas Banjan, Venkateshwara Rao Pechetti
  • Publication number: 20240426355
    Abstract: A brake piston includes a main body including a first metal material, and a footing including a second metal material that is different from the main body such that an external force generated by a spindle and a brake pad is not transferred to the main body, wherein the main body is coupled to the footing by rotary friction welding.
    Type: Application
    Filed: November 29, 2023
    Publication date: December 26, 2024
    Applicant: HL MANDO CORPORATION
    Inventor: Chuljoong KIM
  • Publication number: 20240425020
    Abstract: Disclosed herein is a displacement detection system for a brake pedal. The system includes a displacement detection device including a pedal wake up sensor detecting the change in magnetic flux to generate a wake up signal for activating a control device, and a pedal travel sensor having a plurality of detectors that independently detect the magnetic flux, and detecting a change in magnetic flux to measure a stroke of the brake pedal, and is configured to verify reliability of a measurement value that is measured by each of the plurality of detectors of the pedal travel sensor using a measurement value of the pedal wake up sensor.
    Type: Application
    Filed: October 30, 2023
    Publication date: December 26, 2024
    Applicant: HL Mando Corporation
    Inventor: Jaehun JUNG
  • Patent number: 12172709
    Abstract: A failure detection device for a steering angle sensor according to an embodiment comprises: a steering angle sensor including a main gear that rotates together with a steering wheel, a first sub-gear and a second sub-gear that are each engaged with the main gear and have a constant gear ratio with the main gear, a first Hall IC chip for detecting the angle of the first sub-gear, and a second Hall IC chip for detecting the angle of the second sub-gear; and a control unit that determines failure of the steering angle sensor on the basis of a first angle difference between the current angle and a previous angle of the first sub-gear as detected by the first Hall IC chip, and a second angle difference between the current angle and a previous angle of the second sub-gear as detected by the second Hall IC chip.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: December 24, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Taegyun Kim, Seungcheol Lee, Daehun Hwang
  • Patent number: 12172708
    Abstract: Embodiments of the disclosure relate to a steering assist device and method, and a steering system. The steering assist device comprises an input-side steering control module controlling an input-side steering actuator to assist an input-side mechanism connected with a steering wheel and an output-side steering control module controlling an output-side steering actuator to assist an output-side mechanism mechanically separated from the input-side mechanism and connected with a wheel. The output-side steering control module may control an output-side steering motor based on a position sensing value of the output-side mechanism and a position sensing value of an output-side steering motor included in the output-side steering actuator, which are received from their respective sensors.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: December 24, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Hyun Chul Tae, Joo Namgung
  • Patent number: 12172617
    Abstract: Disclosed is an electronic parking brake system including an electronic parking brake provided to provide a clamping force necessary for parking a vehicle by a motor, a warning unit provided to warn a failure of the electronic parking brake, a current sensor provided to detect a current of the motor, and a controller electrically connected to the current sensor, wherein the controller determines whether a clamping force is generated depending on the motor current in a parking operation, counts a clamping force non-generation time when the clamping force is not generated, and warns a suspected failure of the electronic parking brake through the warning unit when the clamping force non-generation time elapses a preliminary failure detection time set shorter than a failure detection time of the electronic parking brake.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: December 24, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Jaehyun Park, Chan Won Lee
  • Publication number: 20240416887
    Abstract: A method for setting a gear ratio for an EMB system according to an exemplary embodiment of the present disclosure allows for filtering out gear ratios of a reducer that are disadvantageous for torque ripple or noise characteristics, by excluding the same/similar orders to an order of ripple that can be generated in the motor, when setting a gear ratio of the reducer, performs cause analysis more easily when the EMB system has a (noise, vibration, or harshness) NVH issue, since the motor and the reducer have their own unique order/frequency characteristics, and performs optimization of the reducer at an early design stage by selecting values that are available and not available as the gear ratio of the reducer.
    Type: Application
    Filed: October 30, 2023
    Publication date: December 19, 2024
    Applicant: HL MANDO CORPORATION
    Inventor: Jaesang PARK
  • Patent number: 12168428
    Abstract: Disclosed herein an electric parking brake includes a pair of pressing portions provided in a caliper housing to convert rotational motion into linear motion to press a brake pad; an actuator configured to transmit power to the pair of pressing portions; and a load control portion provided rotatably between the pair of pressing portions and the actuator, the load control portion applying a uniform load to the pair of pressing portions by pressing any one of the pair of pressing portions that generates a less load during braking operation.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: December 17, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Woochul Lim, Joon-kyu Song, Daejune Jung
  • Publication number: 20240408912
    Abstract: An assembly for a vehicle driving device includes a hub configured to rotate about a rotary axis and one or more first fastening members configured to couple the hub and a rim of a wheel for a vehicle, wherein one end portion of the hub includes a first facing surface facing one surface of the rim, wherein the first facing surface includes a portion having an inclination angle with respect to the rotary axis, and the first fastening member is inserted into one portion of the one surface of the rim facing the portion having the inclination angle of the first facing surface and the portion having the inclination angle of the first facing surface in a perpendicular direction to couple the hub and the rim.
    Type: Application
    Filed: October 30, 2023
    Publication date: December 12, 2024
    Applicant: HL MANDO CORPORATION
    Inventor: Hatem SHAHIN
  • Publication number: 20240409151
    Abstract: The present embodiments relate to a vehicle steering device. Specifically, there is provided a vehicle steering device comprising a motor housing surrounding a motor and having a mounting portion penetrated by a motor shaft and protruding in an axial direction of the motor shaft, a rack housing having a driving pulley embedded on one side and a driven pulley embedded on another side, the driving pulley being coupled to the motor shaft, a receiving recess being formed, toward a rack bar, in a mounting hole where the mounting portion is inserted and fitted, and a tension compensation mechanism installed in the receiving recess to support the motor housing to move in a direction opposite to a position of the rack bar.
    Type: Application
    Filed: October 20, 2023
    Publication date: December 12, 2024
    Applicant: HL MANDO CORPORATION
    Inventor: Kieon BANG
  • Patent number: 12162541
    Abstract: According to embodiments of the present disclosure, it is possible to easily adjust the tension of the belt, and simplify the motor installation structure in the steering system, and share a motor between vehicle types.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: December 10, 2024
    Assignee: HL MANDO CORPORATION
    Inventor: JeongHwa Han
  • Patent number: 12162465
    Abstract: The present invention relates to an electronic control unit (ECU) structure of a brake system. An ECU of a brake system, according to the present invention, has a redundancy configuration in which a first control unit, a first cover, and a second control unit are sequentially stacked so that the first control unit and the second control unit are spatially separated by means of the first cover, and thus the second control unit can perform the function of the first control unit without being influenced when the first control unit malfunctions.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: December 10, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Minseong Kim, Sang Woo Kim, Seungcho Han
  • Patent number: 12162462
    Abstract: The present application relates to a brake actuating unit for a brake-by-wire motor vehicle brake system. The brake actuating unit comprises a housing, a first electrically controllable pressure supplying device, and a second electrically controllable pressure supplying device. The brake actuating unit further comprises a first connector for electrically connecting the brake actuating unit with a vehicle control unit and with a power network. The first connector is electrically connected with the first electrically controllable pressure supplying device. The brake actuating unit comprises a second connector for electrically connecting the brake actuating unit with the vehicle control unit and with the power network. The second connector is electrically connected with the second electrically controllable pressure supplying device. The brake actuating unit comprises a first cylinder and piston arrangement disposed within the housing and a piston rod for transmitting a displacement of a brake pedal to a piston.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: December 10, 2024
    Assignee: HL MANDO CORPORATION
    Inventors: Kristijan Tarandek, Hans-Jörg Feigel, Young Song Lee