Patents by Inventor Jin Hwan Jung
Jin Hwan Jung 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: 10358041Abstract: An electric vehicle includes: a battery configured to be charged with a first voltage; and a converter configured to boost, when power of a second voltage that is lower than the first voltage is received, the power of the second voltage to the first voltage, and to transfer the first voltage to the battery, so that the battery is charged with power of the first voltage, wherein when the power of the first voltage is received, the power of the first voltage is transferred to the battery to charge the battery.Type: GrantFiled: December 6, 2017Date of Patent: July 23, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Young Lee, Gyu Yeong Choe, Jung Hong Joo, Dong Sup Ahn, Jin Hwan Jung, Byeong Seob Song, Sihun Yang
-
Publication number: 20190023136Abstract: An electric vehicle includes: a battery configured to be charged with a first voltage; and a converter configured to boost, when power of a second voltage that is lower than the first voltage is received, the power of the second voltage to the first voltage, and to transfer the first voltage to the battery, so that the battery is charged with power of the first voltage, wherein when the power of the first voltage is received, the power of the first voltage is transferred to the battery to charge the battery.Type: ApplicationFiled: December 6, 2017Publication date: January 24, 2019Inventors: Woo Young LEE, Gyu Yeong CHOE, Jung Hong JOO, Dong Sup AHN, Jin Hwan JUNG, Byeong Seob SONG, Sihun YANG
-
Publication number: 20180354374Abstract: A system and a method of controlling charge of a vehicle battery are provided. In particular, when a voltage of the vehicle battery is different from an output voltage of a commercially available quick charger, a compatibility problem is solved through a converter, thereby allowing an inverter, an electric motor, and a connector to have increased efficiency and to maximize a reduction in size, weight, and material cost thereof.Type: ApplicationFiled: October 24, 2017Publication date: December 13, 2018Inventors: Woo Young Lee, Jin Hwan Jung, Young Jin Kim, Dong Sup Ahn, Byeong Seob Song, Gyu Yeong Choe
-
Publication number: 20180345806Abstract: A vehicle battery system and a method of controlling the same are provided. When voltage of the vehicle battery is different from an output voltage of a commercially available quick charger, two high-voltage batteries are connected in parallel during battery charging, and the two high-voltage batteries are connected in series during vehicle driving. Accordingly, a compatibility problem is resolved, thereby allowing an inverter, an electric motor, and a connector to have increased efficiency and to maximize a reduction in size, weight, and material cost thereof.Type: ApplicationFiled: October 24, 2017Publication date: December 6, 2018Inventors: Woo Young Lee, Jin Hwan Jung, Young Jin Kim, Dong Sup Ahn, Byeong Seob Song, Gyu Yeong Choe
-
Publication number: 20180118040Abstract: A wireless power transfer (WPT) method for an electric vehicle (EV) may include a vehicle controller or a vehicle assembly (VA) controller connected to the vehicle controller performing communications, for charging of a battery of the EV, with a ground assembly (GA) controller of a charger connected to a primary coil or a primary pad located outside the EV; and connecting the battery to a field winding of a driving motor of the EV before starting the WPT. The battery is charged by a power magnetically induced at the field winding from the primary coil.Type: ApplicationFiled: October 19, 2017Publication date: May 3, 2018Inventors: Bum Sik KIM, Jin Hwan JUNG, Hyeon Uk KIM, Ki Young JANG, Gyu Yeong CHOE
-
Patent number: 9738160Abstract: A fail-safe method and apparatus for high voltage parts in a hybrid vehicle is provided. In the fail-safe method, it is determined whether or not a high voltage main relay is turned off. Here, when the high voltage main relay is turned off, a voltage is charged into a direct current (DC) link using a counter electromotive force generated in a motor generator linked with a revolution of an engine. Voltage control is performed such that the voltage of the DC link is uniformly maintained using an inverter for the motor generator.Type: GrantFiled: November 21, 2013Date of Patent: August 22, 2017Assignee: Hyundai Motor CompanyInventors: Su Hyun Bae, Young Kook Lee, Seong Yeop Lim, Won Kyoung Choi, Sung Kyu Kim, Jin Hwan Jung, Mu Shin Kwak
-
Patent number: 8786221Abstract: A method for controlling a permanent magnet synchronous motor includes detecting an absolute angular position and using the angular position to calculate a rotational speed of the motor; detecting a voltage of a battery as a power source; calculating a compensated speed from a rotational speed of the permanent magnet synchronous motor based on a torque command, the rotational speed of the permanent magnet synchronous motor, and the battery voltage; generating a d-axis current command and a q-axis current command corresponding to the torque command and the compensated speed; calculating a d-axis voltage command and a q-axis voltage command based on the d-axis current command and the q-axis current command; converting the d-axis voltage command and the q-axis voltage command into three-phase voltage commands based on the detected absolute angular position; and controlling the operation of the permanent magnet synchronous motor based on the three-phase voltage commands.Type: GrantFiled: July 2, 2010Date of Patent: July 22, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Bum Sik Kim, Young Kook Lee, Jin Hwan Jung
-
Patent number: 8786936Abstract: Core-shell coated pigment particles are prepared by core-shell coating using pigment particles, at least one hydrophilic organometallic compound, at least one hydrophobic organometallic compound, distilled water and a solvent. Ink particles coated with an ionized organometallic compound are prepared by using the core-shell coated pigment particles, the solvent and a halogen compound. The ink particles, a dispersing agent and a dielectric liquid are mixed to prepare an ink composition. The ink composition has an electrophoresis property to exhibit an electric movement and has a good dispersibility in a dielectric liquid. The ink composition may be applied in a reflective type color display device.Type: GrantFiled: September 20, 2012Date of Patent: July 22, 2014Assignee: Noroo Holdings Co., Ltd.Inventors: Jung-II Kong, Jung-Sok Noh, Hoon Cheong, Deok-Min Park, Hee-Jong Kim, Jin-Hwan Jung, Cheol-Woo Kim
-
Publication number: 20140183941Abstract: A fail-safe method and apparatus for high voltage parts in a hybrid vehicle is provided. In the fail-safe method, it is determined whether or not a high voltage main relay is turned off. Here, when the high voltage main relay is turned off, a voltage is charged into a direct current (DC) link using a counter electromotive force generated in a motor generator linked with a revolution of an engine. Voltage control is performed such that the voltage of the DC link is uniformly maintained using an inverter for the motor generator.Type: ApplicationFiled: November 21, 2013Publication date: July 3, 2014Applicant: HYUNDAI MOTOR COMPANYInventors: Su Hyun Bae, Young Kook Lee, Seong Yeop Lim, Won Kyoung Choi, Sung Kyu Kim, Jin Hwan Jung, Mu Shin Kwak
-
Patent number: 8690422Abstract: The present invention provides a method for measuring the temperature of a motor for a hybrid electric vehicle. In preferred embodiments, the method of the present invention can preferably ensure the stability and reliability of motor control by extending the linearity of a temperature sensor attached to the motor within a required measurement range. The present invention preferably provides a method for measuring the temperature of a motor for a hybrid electric vehicle, in which a required measurement range of motor temperature is divided into high and low temperature ranges and a hardware gain circuit is divided into first and second gain blocks such that the first gain block measures the temperature of the high temperature range and the second gain block measures the temperature of the low temperature range.Type: GrantFiled: June 9, 2010Date of Patent: April 8, 2014Assignee: Hyundai Motor CompanyInventors: Chul Woo Kim, Bum Sik Kim, Tae Hwan Chung, Young Kook Lee, Jin Hwan Jung, Sang Hyeon Moon, Sung Kyu Kim, Jae Won Lee
-
Patent number: 8686671Abstract: The present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, thereby stably controlling the motor current during high-torque and high-speed operation. In preferred aspects, the present invention provides a method for compensating nonlinearity of a resolver to control a motor in hybrid and fuel cell vehicles, the method including collecting resolver position data; determining whether to perform resolver position correction in the corresponding vehicle; and compensating nonlinearity of the resolver based on the collected resolver position data, if it is determined that the resolver position correction is not performed.Type: GrantFiled: August 10, 2010Date of Patent: April 1, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Woo Yong Jeon, Shin Hye Chun, Won Kyoung Choi, Bum Sik Kim, Young Kook Lee, Jin Hwan Jung, Sang Hyeon Moon, Sung Kyu Kim
-
Patent number: 8536877Abstract: A power cable breaking detection method for a vehicle includes detecting currents of respective phases supplied to a three-phase motor from an inverter through at least a power cable, and a driving speed of the motor, determining whether the respective currents and the driving speed of the motor satisfy power cable breaking detection conditions, determining whether various conditions are satisfied with respect to a cable breaking sensing reference value of a current command performing cable breaking timer counting when the conditions are satisfied, and determining whether a predetermined period has elapsed such that a cable is considered broken when the predetermined period has elapsed.Type: GrantFiled: November 23, 2010Date of Patent: September 17, 2013Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Sanghyeon Moon, Youngkook Lee, Jin Hwan Jung
-
Patent number: 8508066Abstract: The present invention provides an emergency control apparatus, and method which maintains the power flow between a battery and an inverter and the operation state of an electric vehicle in the event of failure of a bidirectional DC-DC converter connected between the battery as a power source and the inverter for operating a drive motor.Type: GrantFiled: May 12, 2010Date of Patent: August 13, 2013Assignee: Hyundai Motor CompanyInventors: Young Kook Lee, Sang Hyeon Moon, Sung Kyu Kim, Bum Sik Kim, Jae Won Lee, Tae Hwan Chung, Chul Woo Kim, Jin Hwan Jung
-
Patent number: 8508067Abstract: The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a 12V electrical load through a DC-DC converter, of which the output voltage is increased.Type: GrantFiled: June 9, 2010Date of Patent: August 13, 2013Assignee: Hyundai Motor CompanyInventors: Hong Seok Song, Ki Jong Lee, Ki Young Jang, Shin Hye Chun, Won Kyoung Choi, Hyong Joon Park, Jin Hwan Jung, Jung Hong Joo
-
Publication number: 20130184147Abstract: The present invention relates to a novel zeolite or zeolite-like material synthesized using a zeolite synthesis composition comprising a specifically designed organic surfactant, wherein the zeolite or zeolite-like material comprises a crystalline framework having a thickness corresponding to up to 10 single unit cells along at least one axis, and 2-50 nm mesopores formed by organic assembly of the crystalline framework are regularly or irregularly arranged in the zeolite or zeolite-like material. In addition, the present invention presents a micro-mesoporous molecular sieve material activated or functionalized by dealumination, ion exchange or other post-treatment processes, and a method of using the molecular sieve material as a catalyst. The disclosed novel materials have a significantly increased outer surface area and pore volume due to a combination of micropores and mesopores, and thus show an increased diffusion of molecules therein.Type: ApplicationFiled: June 7, 2011Publication date: July 18, 2013Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Ryong Ryoo, Chang Bum Jo, Kyung Su Na, Jeong Nam Kim, Jin Hwan Jung
-
Publication number: 20130170014Abstract: Core-shell coated pigment particles are prepared by core-shell coating using pigment particles, at least one hydrophilic organometallic compound, at least one hydrophobic organometallic compound, distilled water and a solvent. Ink particles coated with an ionized organometallic compound are prepared by using the core-shell coated pigment particles, the solvent and a halogen compound. The ink particles, a dispersing agent and a dielectric liquid are mixed to prepare an ink composition. The ink composition has an electrophoresis property to exhibit an electric movement and has a good dispersibility in a dielectric liquid. The ink composition may be applied in a reflective type color display device.Type: ApplicationFiled: September 20, 2012Publication date: July 4, 2013Inventors: Jung-Il KONG, Jung-Sok NOH, Hoon CHEONG, Deok-Min PARK, Hee-Jong KIM, Jin-Hwan JUNG, Cheol-Woo KIM
-
Publication number: 20130106423Abstract: Disclosed is a main relay monitoring system and method for a green vehicle, where a main relay is installed between a high voltage battery and an inverter in order to diagnose whether the main relay, which controls the output of the high voltage battery, is fused. In particular a switching operation of an inverter is stopped when an ignition off is detected, and a main relay is turned off and a voltage output of a main battery is cut. Then, a voltage charged at a DC link capacitor is forcibly discharged once the main relay is completely turned off. A voltage of the main battery is then compared to an input voltage of the inverter, and a determination is made based off of this comparison whether the main relay is fused.Type: ApplicationFiled: July 25, 2012Publication date: May 2, 2013Applicant: HYUNDAI MOTOR COMPANYInventors: Sanghyeon Moon, Youngkook Lee, Jin Hwan Jung
-
Patent number: 8264175Abstract: The present invention is directed to methods for forming an inverter circuit for operating a drive motor of an electric vehicle, which can more effectively reduce the switching noise generated by a power module during the operation of an inverter.Type: GrantFiled: April 26, 2010Date of Patent: September 11, 2012Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jeong Yun Lee, Dong Min Shin, Woo Yong Jeon, In Pil Yoo, Ki Young Jang, Sang Cheol Shin, Jin Hwan Jung, Jung Hong Joo
-
Publication number: 20120138274Abstract: The present invention provides an apparatus for effectively cooling electric modules such as an inverter and an LDC installed in a hybrid electric vehicle or an electric vehicle. The cooling apparatus for electric modules of a hybrid electric vehicle or an electric vehicle secures a uniform cooling efficiency and achieves an excellent heat radiating efficiency at the same time by realizing a new type of cooling system adapted to separately manage heat transfer in the cooling water passages of first and second electric modules by separating an upper passage of the first electric module and a lower passage of the second electric module using a cooling separator.Type: ApplicationFiled: April 8, 2011Publication date: June 7, 2012Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Dong Min Shin, Woo Yong Jeon, Joon Hwan Kim, Jin Hwan Jung, Min Ji Kim, Jung Hong Joo, In Pil Yoo
-
Publication number: 20120140412Abstract: A power module for an inverter which includes a base which has a plurality of slots are formed thereto, a plurality of building blocks inserted into the slots and power cables interconnecting the building blocks. Further, each of these building blocks is provided with a power element which corresponds to one phase. Thus, each building block in the power module may be replaced individually without having to replace the entire power module in case of a failure in a single power element of the power module.Type: ApplicationFiled: July 15, 2011Publication date: June 7, 2012Applicants: KIA MOTORS CORPORATION, HYUNDAI MOTOR COMPANYInventors: Dongmin Shin, Wooyong Jeon, In Pil Yoo, Joon Hwan Kim, Ki-young Jang, Sangcheol Shin, Minji Kim, Youngkook Lee, Jin Hwan Jung, Jung Hong Joo