Patents by Inventor Chi-Yong Park

Chi-Yong Park has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12224477
    Abstract: A massive multiple-input multiple-output (MIMO) antenna apparatus and a heat dissipation device therefor are disclosed. The present disclosure according to at least one embodiment provides a massive MIMO antenna apparatus including a board, a first blowing unit, and a second blowing unit. The board has at least one board surface that holds a distributed arrangement of a plurality of heat-generating components, has a width and a length longer than the width, and includes a first section having a first amount of heat generation and a second section having a second amount of heat generation greater than the first amount of heat generation, the first section and the second section being partitioned along a length direction of the board.
    Type: Grant
    Filed: December 5, 2022
    Date of Patent: February 11, 2025
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Kyo Sung Ji, Chi Back Ryu, Kyu Chul Choi, Hye Yeon Kim, In Hwa Choi, Jae Ho Jang, Jae Hyun Park, Youn Jun Cho, Jeong Hyun Choi
  • Publication number: 20240384752
    Abstract: The present invention relates to an air foil journal bearing including a bump foil having a plurality of elastic bumps and provided and coupled inside a bearing housing, a mid-foil provided inside the bump foil, formed in a circumferential direction, and having at least one circumferential end coupled to the bearing housing, and a top foil provided inside the mid-foil, formed in the circumferential direction, and having at least one circumferential end coupled to the bearing housing, in which a stepped portion is formed as a radius of an inner peripheral surface of a partial circumferential region of the mid-foil is smaller than a radius of an inner peripheral surface of the remaining region, such that an additional pressure is generated in a section in which a maximum positive pressure is applied when a rotor rotates at low speed, such that the rotor may float at a relatively low rotational speed, and friction and vibration between the rotor and the top foil may be reduced.
    Type: Application
    Filed: October 17, 2022
    Publication date: November 21, 2024
    Inventors: Jong Sung Lee, Hyun Chil Kim, Gunwoong Park, Min Gyu Park, Chi Yong Park, Yeol Woo Sung, Hyun Seok Jung, Kyu Sung Choi
  • Publication number: 20240266900
    Abstract: The present invention relates to a toroidal motor in which a coil is wound around a yoke, and more particularly, to a toroidal motor in which a process of winding a coil starts from an inside of a yoke to ensure a sufficient insulation distance from a rotor side housing, a busbar assembly is disposed on an upper portion of the yoke to make it easy to connect a busbar and the coil, and the busbar is configured so as not to cover a slot, through which cooling air flows, to ensure cooling performance and simplify an entire structure of the motor.
    Type: Application
    Filed: June 13, 2022
    Publication date: August 8, 2024
    Inventors: Gunwoong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Jong Sung LEE
  • Patent number: 12031549
    Abstract: The present invention relates to an air compressor for a vehicle and, more specifically, to an air compressor for a vehicle wherein the entire operation of the air compressor may be stabilized by a cooling unit in which a portion of the compressed air that moves through a connection pipe conveying primarily compressed air exchanges heat with a cooling water flowing part to cool the driving unit.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: July 9, 2024
    Assignee: Hanon Systems
    Inventors: Hyun Chil Kim, Gunwoong Park, Chi Yong Park, Yeol Woo Sung, Hyun Sup Yang, Jong Sung Lee, Kyu Sung Choi
  • Patent number: 12014837
    Abstract: The present invention provides a method for integrated online monitoring and a system for integrated online monitoring from a remote location for a nuclear power plant. The method includes a first step of collecting machine monitoring data of a plurality of units in the nuclear power plant selectively from the local data acquisition device via the monitoring data relay device, and a second step of collecting machine diagnostic data of a plurality of units in the nuclear power plant selectively from the local data acquisition device via the diagnostic data relay device.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: June 18, 2024
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD.
    Inventors: Dae Woong Kim, Yang Seok Kim, Bum Nyun Kim, Young Sheop Park, Chi Yong Park, Jong Seog Kim, Hyoung Kyun Kim, Byoung Oh Lee, Ji In Kim, Nam Woo Choi, Jae Hun Shin, Jae Min An, Yong Chan Kim
  • Patent number: 11988228
    Abstract: Air compressor for a vehicle having improved internal cooling efficiency by ensuring a circulation flow of compressed air for internal cooling and allowing the compressed air to sufficiently flow. The air compressor comprises: a housing with a compression unit for introducing and compressing air from outside; a motor unit which includes a rotor and a stator, and drives the compression unit to rotate according to the rotation of the rotor; a bearing unit supporting the rotor to be rotatable; a cooling circulation flow path formed inside the housing for moving, in an axial direction, some of the air compressed in the compression unit and circulating the air to the compression unit; and a bypass flow path which receives some of the air passing through the cooling circulation flow path and bypasses a partial region of the bearing unit to join the cooling circulation flow path.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: May 21, 2024
    Assignee: Hanon Systems
    Inventors: Gun Woong Park, Chi Yong Park, Jong Sung Lee, Kyu Sung Choi
  • Patent number: 11982283
    Abstract: The present invention relates to a compressor and, more specifically, to an air compressor for a vehicle, which can support a rotor disk and form a cooling flow channel by a first cover and a second cover, and thus can improve cooling efficiency while increasing manufacturability.
    Type: Grant
    Filed: April 1, 2021
    Date of Patent: May 14, 2024
    Assignee: Hanon Systems
    Inventors: Chi Yong Park, Hyun Chil Kim, Gunwoong Park, Min Gyu Park, Yeol Woo Sung, Hyun Sup Yang, Jong Sung Lee, Kyu Sung Choi
  • Publication number: 20240125357
    Abstract: The present invention relates to an air foil journal bearing in which air is introduced between a foil and a rotor rotating at high speed and generates pressure to support a radial load of the rotor and allow the rotor to rotate smoothly, and more particularly, to a housing fixing structure of an air foil journal bearing that improves durability against external impact or vibration by restricting an axial movement of a bump by means of two opposite ends of the bump and a top foil fixing portion.
    Type: Application
    Filed: December 29, 2021
    Publication date: April 18, 2024
    Applicant: Hanon Systems
    Inventors: Yeol Woo SUNG, Hyun Chil KIM, Gunwoong PARK, Min Gyu PARK, Chi Yong PARK, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
  • Publication number: 20240125334
    Abstract: An air compressor according to an aspect of the present invention comprises: a housing; a rotating shaft which is disposed in the housing; a compression unit which is connected to the rotating shaft to compress and discharge inlet air; a motor unit which drives the rotating shaft; a control board which controls the motor unit; and a filter unit which filters out noise from external power and supplies the external power to the control board, wherein the housing includes a first cooling flow channel for cooling the motor unit and a second cooling flow channel for cooling the filter unit, and the first cooling flow channel communicates with the second cooling flow channel.
    Type: Application
    Filed: March 30, 2022
    Publication date: April 18, 2024
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Publication number: 20240120813
    Abstract: Air compressor in which the arrangement structure between a filter part and a discharge resistor reduces interference between the filter part and the discharge resistor and increases the space utilization of the filter part, making the air compressor more compact. The air compressor comprises a housing with a rotary shaft disposed inside it; a compression part connected to the rotary shaft which compresses and discharges introduced air; a motor part driving the rotary shaft; a control board for controlling the motor part, and the filter part which filters noise of external power and supplies the external power to the control board, wherein the filter part includes a capacitor assembly connected to an external power source, a transistor connected to the control board, a current sensor assembly connected to the transistor, and a discharge resistor connected to the capacitor assembly and discharges the residual charge in the capacitor assembly.
    Type: Application
    Filed: April 11, 2022
    Publication date: April 11, 2024
    Inventors: Kyu Sung CHOI, Gun Woong PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG
  • Publication number: 20240011498
    Abstract: The present invention relates to a compressor and, more specifically, to an air compressor for a vehicle, which can support a rotor disk and form a cooling flow channel by a first cover and a second cover, and thus can improve cooling efficiency while increasing manufacturability.
    Type: Application
    Filed: April 1, 2021
    Publication date: January 11, 2024
    Inventors: Chi Yong PARK, Hyun Chil KIM, Gunwoong PARK, Min Gyu PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
  • Publication number: 20230327524
    Abstract: The present invention relates to an air compressor which improves the space utilization of a filter unit, and reduces the number of constituent parts constituting the filter unit, thereby improving assemblability, reducing manufacturing costs, and minimizing the size of the air compressor itself. The air compressor comprises: a housing; a rotating shaft extending in the longitudinal direction inside the housing; a compression unit disposed in front of the rotating shaft and rotated by the rotating shaft to compress and discharge air that flows in; a motor unit which rotates the rotating shaft; a control board which controls the motor unit; a filter unit which supplies external electrical power to the control board and filters the noise of the electrical power; and a bus bar assembly which transfers the electrical power from the control board to the motor unit.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 12, 2023
    Inventors: Kyu Sung CHOI, Hyun Chil KIM, Gun Woong PARK, Min Gyu PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE
  • Publication number: 20230106824
    Abstract: The present invention relates to an air compressor for a vehicle and, more specifically, to an air compressor for a vehicle wherein the entire operation of the air compressor may be stabilized by a cooling unit in which a portion of the compressed air that moves through a connection pipe conveying primarily compressed air exchanges heat with a cooling water flowing part to cool the driving unit.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 6, 2023
    Inventors: Hyun Chil KIM, Gunwoong PARK, Chi Yong PARK, Yeol Woo SUNG, Hyun Sup YANG, Jong Sung LEE, Kyu Sung CHOI
  • Publication number: 20220403854
    Abstract: Air compressor for a vehicle having improved internal cooling efficiency by ensuring a circulation flow of compressed air for internal cooling and allowing the compressed air to sufficiently flow. The air compressor comprises: a housing with a compression unit for introducing and compressing air from outside; a motor unit which includes a rotor and a stator, and drives the compression unit to rotate according to the rotation of the rotor; a bearing unit supporting the rotor to be rotatable; a cooling circulation flow path formed inside the housing for moving, in an axial direction, some of the air compressed in the compression unit and circulating the air to the compression unit; and a bypass flow path which receives some of the air passing through the cooling circulation flow path and bypasses a partial region of the bearing unit to join the cooling circulation flow path.
    Type: Application
    Filed: September 29, 2020
    Publication date: December 22, 2022
    Inventors: Gun Woong PARK, Chi Yong PARK, Jong Sung LEE, Kyu Sung CHOI
  • Patent number: 11378108
    Abstract: Method for diagnosing a pneumatic control valve by using a positioner model includes: establishing relational expression for outputting valve stem displacement according to control pressure, the relational expression including parameters for the characteristics of a positioner, an actuator, and a valve, determining initial parameter value by adjusting the values of the parameters until the difference between a measured value for a normal operation of the pneumatic control valve and output value obtained by the relational expression is smaller than predetermined error limit, determining diagnostic parameter value by adjusting the values of the parameters until the difference between a measured value for a diagnostic operation of the pneumatic control valve and an output value obtained by the relational expression is smaller than a predetermined error limit, and comparing the initial parameter value and the diagnostic parameter value so as to determine whether the pneumatic control valve has abnormality.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 5, 2022
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD
    Inventors: Yang Seok Kim, Dae Woong Kim, Bum Nyun Kim, Young Sheop Park, Chi Yong Park, Jong Seog Kim, Hyoung Kyun Kim, Byoung Oh Lee, Ji In Kim, Nam Woo Choi, Yong Hoon Park, Hee Seung Chang, You Soo Shin
  • Patent number: 11307566
    Abstract: System for diagnosing pneumatic control valve online include a sensor set having sensors, attached to a pneumatic control valve, for measuring the state of the pneumatic control valve, a smart data analyzer for processing sensor signal acquired in real time from the sensor set and generating pneumatic control valve state information for online automatic diagnosis of the pneumatic control valve, a data server for transmitting, to an online analysis server, the pneumatic control valve state information received in real time from the smart data analyzer and storing the pneumatic control valve state information for predetermined time period, the online diagnostic server for, by comparing the pneumatic control valve state information with pre-stored normal state data of the pneumatic control valve, determining whether the pneumatic control valve is in abnormal state and generating diagnostic information, and a client computer for displaying the diagnostic information received from the online diagnostic server.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: April 19, 2022
    Assignee: Korea Hydro & Nuclear Power Co., LTD
    Inventors: Yang Seok Kim, Bum Nyun Kim, Dae Woong Kim, Ji In Kim, Nam Woo Choi, Ju Hyung Kang, Young Sheop Park, Chi Yong Park, Jong Seog Kim, Hyoung Kyun Kim, Byoung Oh Lee, Hee Seung Chang, You Soo Shin
  • Patent number: 11276300
    Abstract: The present invention provides a method for learning latest data considering external influences in an early warning system, and the early warning system for same. The method for learning latest data considering external influences comprises the steps of: an early warning processing device categorizing device monitored variables according to external influences; and the early warning processing device differently applying a pattern learning method for each of the categorized monitored variables.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: March 15, 2022
    Assignee: Korea Hydro & Nuclear Power Co., LTD.
    Inventors: Dae Woong Kim, Nam Woo Choi, Bum Nyun Kim, Hyoung Kyun Kim, Ji In Kim, Ju Hyung Kang, Yong Hoon Park, Gun Woong Shin, Yang Seok Kim, Young Sheop Park, Chi Yong Park, Byoung Oh Lee, Jong Seog Kim
  • Publication number: 20220028570
    Abstract: The present invention provides a method for integrated online monitoring and a system for integrated online monitoring from a remote location for a nuclear power plant. The method includes a first step of collecting machine monitoring data of a plurality of units in the nuclear power plant selectively from the local data acquisition device via the monitoring data relay device, and a second step of collecting machine diagnostic data of a plurality of units in the nuclear power plant selectively from the local data acquisition device via the diagnostic data relay device.
    Type: Application
    Filed: August 29, 2017
    Publication date: January 27, 2022
    Inventors: Dae Woong Kim, Yang Seok KIM, Bum Nyun KIM, Young Sheop PARK, Chi Yong PARK, Jong Seog KIM, Hyoung Kyun KIM, Byoung Oh LEE, Ji In KIM, Nam Woo CHOI, Jae Hun SHIN, Jae Min AN, Yong Chan KIM
  • Patent number: 11200790
    Abstract: The present invention provides a method for early warning of an abnormality sign of a device, which includes device importance and warning validity determination, and a system therefor. The method for early warning of the abnormality sign of the device comprises: a first step of determining by an early warning processing apparatus whether a device monitoring signal value exceeds a normal operation range by using a weight value on the basis of monitoring-parameter-specific importance data which has been previously analyzed by an operator; a second step of generating a warning by the early warning processing apparatus when the device monitoring signal value exceeds the normal operation range; and a third step of determining by a warning determination apparatus whether the generated warning is a valid warning, which is subject to a warning analysis and to be traced.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 14, 2021
    Assignee: Korea Hydro & Nuclear Power Co., LTD.
    Inventors: Ji Ho Min, Ji In Kim, Hooh Kwon Ha, Jeong Hag Oh, Young Sheop Park, Chi Yong Park, Dae Woong Kim, Yang Seok Kim, Byoung Oh Lee
  • Patent number: 11143204
    Abstract: Disclosed herein is an air compressor. The air compressor may include: a compressor unit including a front housing having a front inlet and a compressor scroll, and a compressor impeller configured to transfer the air drawn through the front inlet toward the compressor scroll; a motor unit including a motor housing coupled with the front housing, a stator disposed along an inner circumferential surface of the motor housing, and a rotor disposed to pass through the stator and coupled with the compressor impeller by a rotating shaft; a turbine unit including a rear housing coupled with the motor housing, a turbine impeller coupled with the rotating shaft, and a turbine blower formed in the rear housing and configured to exhaust air that has passed through the turbine impeller to the outside; and an air cooling unit coupled with the compressor scroll to cool the stator and the rotating shaft.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: October 12, 2021
    Assignee: Hanon Systems
    Inventors: Chi Yong Park, Gun Woong Park, Hyun Sup Yang