Patents by Inventor June Ho LEE
June Ho LEE 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).
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Patent number: 11549509Abstract: An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.Type: GrantFiled: July 17, 2019Date of Patent: January 10, 2023Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook Jang, Kihyup Kim, Woo Jung Kim, June Ho Lee, Jin Seung Lim, Seungwan Noh, Youngho Moon, Taegeun Kim, Jaeyeol Yun, Jungwook Lee, Chulwan Park, Chi Hun Cho, Gyu Chull Doh, Kyoo Ho Lee, Hyun Chul Kim, Joung Chul Kim, Hyun Duk Chang, Jin Hee Lee, Yongho Jung, Chang Yeon Cho, Yun Seok Sung, Hyeonjin Kim, Joo Hang Lee
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Patent number: 10858006Abstract: A backward driving control method for a hybrid vehicle may include a condition determination operation of, when the driver performs a shifting to a reverse gear stage, determining whether the rotation speed of a motor in the forward direction exceeds a reference speed and whether the torque of the motor exceeds a reference torque, a first backward driving operation of, when the rotation speed of the motor exceeds the predetermined reference speed and when the torque of the motor exceeds the predetermined reference torque, implementing the reverse gear stage using a backward driving implementation device of the transmission, a zero-torque control operation of decreasing the torque of the motor to zero, a forward driving conversion operation of shifting the transmission to a forward gear stage, and a second backward driving operation of driving the motor in the reverse direction to implement the reverse gear stage.Type: GrantFiled: August 13, 2019Date of Patent: December 8, 2020Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: June Ho Lee, Hyeon Jin Kim
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Publication number: 20200309121Abstract: An electric hydraulic pump for a transmission includes: a motor including a motor cover, a motor case coupled with the motor cover, and a stator and a rotor disposed within the motor cover and the motor case; and a pump including a pump case forming a pump chamber, and a gear rotor which is disposed within the pump chamber, connected with the rotor through a motor shaft and receives rotational power of the motor. In particular, a plurality of oil circulation holes are formed in the motor cover and a connecting hole is formed in the motor cover corresponding to the pump case, and an oil flow channel is formed within the pump case for connecting the connecting hole and an oil inlet of the pump chamber.Type: ApplicationFiled: July 17, 2019Publication date: October 1, 2020Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Sung Wook JANG, Kihyup KIM, Woo Jung KIM, June Ho LEE, Jin Seung LIM, Seungwan NOH, Youngho MOON, Taegeun KIM, Jaeyeol YUN, Jungwook LEE, Chulwan PARK, Chi Hun CHO, Gyu Chull DOH, Kyoo Ho LEE, Hyun Chul KIM, Joung Chul KIM, Hyun Duk CHANG, Jin Hee LEE, Yongho JUNG, Chang Yeon CHO, Yun Seok SUNG, Hyeonjin KIM, Joo Hang LEE
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Publication number: 20200307587Abstract: A backward driving control method for a hybrid vehicle may include a condition determination operation of, when the driver performs a shifting to a reverse gear stage, determining whether the rotation speed of a motor in the forward direction exceeds a reference speed and whether the torque of the motor exceeds a reference torque, a first backward driving operation of, when the rotation speed of the motor exceeds the predetermined reference speed and when the torque of the motor exceeds the predetermined reference torque, implementing the reverse gear stage using a backward driving implementation device of the transmission, a zero-torque control operation of decreasing the torque of the motor to zero, a forward driving conversion operation of shifting the transmission to a forward gear stage, and a second backward driving operation of driving the motor in the reverse direction to implement the reverse gear stage.Type: ApplicationFiled: August 13, 2019Publication date: October 1, 2020Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: June Ho LEE, Hyeon Jin KIM
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Patent number: 10414363Abstract: An oil supply system of a vehicle includes: a first pump generating a first quantity of oil to cool a driving motor of a hybrid vehicle; a second pump generating a second quantity of oil to lubricate a friction lubrication element of the hybrid vehicle; a flow channel switching valve selectively switching a flow channel of the first quantity of oil and a flow channel of the second quantity of oil to connect the flow channel of the first quantity of oil to the friction lubrication element or connect the flow channel of the second quantity of oil to the driving motor; and a controller controlling an operation of the flow channel switching valve to supply a portion of the first quantity of oil to the friction lubrication element or a portion of the second quantity of oil to the driving motor.Type: GrantFiled: November 29, 2016Date of Patent: September 17, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: Young Chul Kim, June Ho Lee
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Patent number: 10267411Abstract: A hydraulic circuit for a transmission includes a friction element that engages or disengages an operating element of the transmission, a pump that pumps oil to form preliminary pressure that allows the friction element to be maintained in a standby state in which the friction element is ready to operate, and a direct control valve that receives the oil that has passed through the pump and adjusts the preliminary pressure to form operating pressure that allows the friction element to operate, when operating the friction element. The friction element includes a hydraulic chamber into which the oil is introduced, a first supply hole through which the oil that has passed through the pump is supplied to the hydraulic chamber, and a second supply hole through which the oil that has passed through the direct control valve is supplied to the hydraulic chamber.Type: GrantFiled: November 16, 2017Date of Patent: April 23, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: June Ho Lee
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Publication number: 20180340608Abstract: A hydraulic circuit for a transmission includes a friction element that engages or disengages an operating element of the transmission, a pump that pumps oil to form preliminary pressure that allows the friction element to be maintained in a standby state in which the friction element is ready to operate, and a direct control valve that receives the oil that has passed through the pump and adjusts the preliminary pressure to form operating pressure that allows the friction element to operate, when operating the friction element. The friction element includes a hydraulic chamber into which the oil is introduced, a first supply hole through which the oil that has passed through the pump is supplied to the hydraulic chamber, and a second supply hole through which the oil that has passed through the direct control valve is supplied to the hydraulic chamber.Type: ApplicationFiled: November 16, 2017Publication date: November 29, 2018Inventor: June Ho LEE
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Patent number: 10035152Abstract: A solenoid valve includes: a magnetic force generating coil generating an electromagnetic force; a valve spool reciprocated depending on an electromagnetic force generated from the magnetic force generating coil; a holder having the valve spool inserted into a hollow portion of the holder and forming a plurality of ports opened and closed depending on the reciprocating motion of the valve spool; a foreign material collecting coil collecting a foreign material when power is applied to the magnetic force generating coil to serve as an electromagnet; and a foreign material outlet port formed in the holder and discharging the foreign material collected in the foreign material collecting coil when the supply of power to the foreign material collecting coil is released to outside.Type: GrantFiled: September 15, 2016Date of Patent: July 31, 2018Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: June Ho Lee, Youngchul Kim
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Patent number: 10012308Abstract: An apparatus for controlling an electric oil pump (EOP) includes a controller calculating first revolutions per minute (RPM), second RPM and third RPM, the first RPM being EOP RPM required for control of a brake in a transmission, the second RPM being EOP RPM required for cooling of a plurality of motors, and the third RPM being EOP RPM required for lubrication of the plurality of motors, the controller comparing the second RPM with the third RPM and driving the EOP at an RPM obtained by adding the first RPM to the greater of the second RPM and the third RPM.Type: GrantFiled: July 3, 2016Date of Patent: July 3, 2018Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sang Lok Song, June Ho Lee, Jong Hyun Kim, Young Chul Kim, Hak Sung Lee, Seung Jae Kang, Gyeong Cheol Kim, Kyoung Joo Kim, Yoh Han Kim
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Patent number: 9969871Abstract: Disclosed is a heterophasic polymer composition for environmentally friendly cable insulation layers that exhibits excellent electrical, mechanical, and thermal properties while realizing the flexibility, bendability, and impact resistance performance characteristics of polypropylene. The heterophasic polymer composition for cable insulation layers is configured such that propylene copolymer particles each having a predetermined size are dispersed in a polypropylene matrix.Type: GrantFiled: July 29, 2016Date of Patent: May 15, 2018Assignee: HUINNOVATION CO., LTD.Inventors: Moon Seok Lee, Dong Kwon Lee, Kwang Suck Suh, June Ho Lee, Yeong Ho Jeong, Hyoung Ku Kang
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Patent number: 9925859Abstract: A control apparatus of a hybrid vehicle having an electric oil pump includes an engine clutch selectively engaging an engine and a drive motor; an automatic transmission changing a power generated from the engine by engagement and releasing of a friction element into a required torque depending on a speed; a hydraulic pressure sensor sensing an oil pressure supplied to the engine clutch; a temperature sensor sensing an oil temperature discharged from the electric oil pump; a hybrid control unit (HCU) controlling the electric oil pump to selectively engage the engine clutch depending on a driving state; and a transmission control unit (TCU) controlling the electric oil pump to supply transmission control pressure to the friction element. The electric oil pump includes an oil motor and a pump to supply the operating hydraulic pressure to the engine clutch and the friction element.Type: GrantFiled: July 13, 2016Date of Patent: March 27, 2018Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sanglok Song, Haksung Lee, Yeonho Kim, Jaeshin Yi, June Ho Lee, Gyeongcheol Kim
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Publication number: 20180016429Abstract: Disclosed is a heterophasic polymer composition for environmentally friendly cable insulation layers that exhibits excellent electrical, mechanical, and thermal properties while realizing the flexibility, bendability, and impact resistance performance characteristics of polypropylene. The heterophasic polymer composition for cable insulation layers is configured such that propylene copolymer particles each having a predetermined size are dispersed in a polypropylene matrix.Type: ApplicationFiled: July 29, 2016Publication date: January 18, 2018Applicant: Huinnovation Co., Ltd.Inventors: Moon Seok LEE, Dong Kwon LEE, Kwang Suck SUH, June Ho LEE, Yeong Ho JEONG, Hyoung Ku KANG
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Patent number: 9845094Abstract: A method for controlling a line pressure of a hybrid vehicle includes applying, by a controller, a set current corresponding to a target pressure to a first solenoid valve controlling the line pressure, driving, by the controller, a second solenoid valve to open an engine clutch after the applying step, comparing, by the controller, a difference value between a real pressure of the engine clutch sensed by a pressure sensor and the target pressure with a preset pressure after the driving step, and as a result of performing the comparing step, if the difference value is equal to or greater than the preset pressure, controlling, by the controller, an increase of a revolution per minute (RPM) speed of the electric oil pump and an increase of a pressure of the first solenoid valve to be alternately generated.Type: GrantFiled: July 29, 2016Date of Patent: December 19, 2017Assignee: HYUNDAI MOTOR COMPANYInventors: Young Chul Kim, Jong Hyun Kim, June Ho Lee, Sang Hyun Jeong
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Publication number: 20170313273Abstract: An oil supply system of a vehicle includes: a first pump generating a first quantity of oil to cool a driving motor of a hybrid vehicle; a second pump generating a second quantity of oil to lubricate a friction lubrication element of the hybrid vehicle; a flow channel switching valve selectively switching a flow channel of the first quantity of oil and a flow channel of the second quantity of oil to connect the flow channel of the first quantity of oil to the friction lubrication element or connect the flow channel of the second quantity of oil to the driving motor; and a controller controlling an operation of the flow channel switching valve to supply a portion of the first quantity of oil to the friction lubrication element or a portion of the second quantity of oil to the driving motor.Type: ApplicationFiled: November 29, 2016Publication date: November 2, 2017Applicant: HYUNDAI MOTOR COMPANYInventors: Young Chul KIM, June Ho LEE
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Publication number: 20170282191Abstract: A solenoid valve includes: a magnetic force generating coil generating an electromagnetic force; a valve spool reciprocated depending on an electromagnetic force generated from the magnetic force generating coil; a holder having the valve spool inserted into a hollow portion of the holder and forming a plurality of ports opened and closed depending on the reciprocating motion of the valve spool; a foreign material collecting coil collecting a foreign material when power is applied to the magnetic force generating coil to serve as an electromagnet; and a foreign material outlet port formed in the holder and discharging the foreign material collected in the foreign material collecting coil when the supply of power to the foreign material collecting coil is released to outside.Type: ApplicationFiled: September 15, 2016Publication date: October 5, 2017Inventors: June Ho LEE, Youngchul KIM
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Publication number: 20170284558Abstract: A solenoid valve may include a magnetic force generating coil applied with power to generate an electromagnetic force, a valve spool disposed to reciprocate depending on the electromagnetic force generated from the magnetic force generating coil, a holder including a hollow into which the valve spool inserted, the holder forming a plurality of ports to be opened and closed depending on the reciprocating of the valve spool, and a permanent magnet disposed to enclose the hollow of the holder.Type: ApplicationFiled: September 16, 2016Publication date: October 5, 2017Applicant: Hyundai Motor CompanyInventors: June Ho LEE, Youngchul KIM
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Publication number: 20170268662Abstract: An apparatus for controlling an electric oil pump (EOP) includes a controller calculating first revolutions per minute (RPM), second RPM and third RPM, the first RPM being EOP RPM required for control of a brake in a transmission, the second RPM being EOP RPM required for cooling of a plurality of motors, and the third RPM being EOP RPM required for lubrication of the plurality of motors, the controller comparing the second RPM with the third RPM and driving the EOP at an RPM obtained by adding the first RPM to the greater of the second RPM and the third RPM.Type: ApplicationFiled: July 3, 2016Publication date: September 21, 2017Inventors: Sang Lok Song, June Ho Lee, Jong Hyun Kim, Young Chul Kim, Hak Sung Lee, Seung Jae Kang, Gyeong Cheol Kim, Kyoung Joo Kim, Yoh Han Kim
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Publication number: 20170259824Abstract: A method for controlling a line pressure of a hybrid vehicle includes applying, by a controller, a set current corresponding to a target pressure to a first solenoid valve controlling the line pressure, driving, by the controller, a second solenoid valve to open an engine clutch after the applying step, comparing, by the controller, a difference value between a real pressure of the engine clutch sensed by a pressure sensor and the target pressure with a preset pressure after the driving step, and as a result of performing the comparing step, if the difference value is equal to or greater than the preset pressure, controlling, by the controller, an increase of a revolution per minute (RPM) speed of the electric oil pump and an increase of a pressure of the first solenoid valve to be alternately generated.Type: ApplicationFiled: July 29, 2016Publication date: September 14, 2017Inventors: Young Chul KIM, Jong Hyun KIM, June Ho LEE, Sang Hyun JEONG
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Publication number: 20170166181Abstract: A control apparatus of a hybrid vehicle having an electric oil pump includes an engine clutch selectively engaging an engine and a drive motor; an automatic transmission changing a power generated from the engine by engagement and releasing of a friction element into a required torque depending on a speed; a hydraulic pressure sensor sensing an oil pressure supplied to the engine clutch; a temperature sensor sensing an oil temperature discharged from the electric oil pump; a hybrid control unit (HCU) controlling the electric oil pump to selectively engage the engine clutch depending on a driving state; and a transmission control unit (TCU) controlling the electric oil pump to supply transmission control pressure to the friction element. The electric oil pump includes an oil motor and a pump to supply the operating hydraulic pressure to the engine clutch and the friction element.Type: ApplicationFiled: July 13, 2016Publication date: June 15, 2017Inventors: Sanglok SONG, Haksung LEE, Yeonho KIM, Jaeshin YI, June Ho LEE, Gyeongcheol KIM
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Publication number: 20170101907Abstract: The present disclosure provides an oil pump system for a vehicle to control an oil flow or a flow rate of oil according to characteristics of an oil flow rate consumed for each component. The oil pump system includes: a mechanical oil pump, an electrical oil pump. In particular, the mechanical oil pump supplies oil to a lubrication component, and the electrical oil pump supplies oil to a cooling component or a control component. The mechanical oil pump and the electrical oil pump are independently operated.Type: ApplicationFiled: April 28, 2016Publication date: April 13, 2017Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Seung Jae KANG, Jong Hyun KIM, Tae Ho KIM, June Ho LEE, Young Chul KIM