Patents by Inventor Dong Ho Chu
Dong Ho Chu 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: 9376930Abstract: A waste gate valve which is installed on a turbocharger to selectively discharge a part of exhaust gas while allowing the part of the exhaust gas to bypass the turbocharger, may include a layer which is formed between a valve seat and a valve body that comes into contact with the valve seat.Type: GrantFiled: August 29, 2014Date of Patent: June 28, 2016Assignees: Hyundai Motor Company, HYUNDAI WIA CORPORATIONInventors: Kwang Hwan Kim, Seung Yeon Lee, Dong Ho Chu, Ui Yeon Park, Kyung-Wook Jin, Sung-Jin Yang, Jun Gwan Park, Gil-Beom Lee, Kyung-Jae Jung
-
Publication number: 20160169097Abstract: An apparatus for supporting a waste gate module includes a support bracket connecting the waste gate module and a turbocharger housing, and a coupling protrusion formed on a face of the support bracket and that faces the waste gate module, where the coupling protrusion has an end coupled to the waste gate module.Type: ApplicationFiled: June 16, 2015Publication date: June 16, 2016Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Dong Ho CHU, Do Geun JUNG, Sung Kwan BAE
-
Publication number: 20160160732Abstract: An apparatus for discharging exhaust gas of a vehicle may include an exhaust port forming a first confluence part at which at least two runners among runners of an exhaust manifold connected with a cylinder are joined, and a second confluence part at which the remaining runners are joined, and a connector member having an inlet port through which exhaust gas discharged through the exhaust port is introduced, and having a partition which is formed toward the exhaust port in the inlet port so as to partition the first confluence part and the second confluence part.Type: ApplicationFiled: June 16, 2015Publication date: June 9, 2016Applicant: Hyundai Motor CompanyInventor: Dong Ho CHU
-
Publication number: 20160153339Abstract: An exhaust manifold for vehicles may include a partition provided between a first junction where at least two of runners of the exhaust manifold leading to a cylinder join and a second junction where remaining runners join.Type: ApplicationFiled: February 20, 2015Publication date: June 2, 2016Applicant: Hyundai Motor CompanyInventor: Dong Ho CHU
-
Patent number: 9297297Abstract: A system for reducing noise of a wastegate valve apparatus including a bypass passage, a wastegate valve, an actuator and a link unit delivering the power of the actuator to the wastegate valve, may have a first link connected to the actuator, a third link connected to the wastegate valve, a second link provided with a rod disposed between the first link and the third link, wherein the second link includes a rod end ball bearing having a penetration hole into which a bolt member is inserted and a ball coupled to the penetration hole, and a joint connecting the rod and the third link, and a first washer disposed between the rod end ball bearing and the first link, wherein the first washer includes a support body, and an elastic member disposed between the first link and the support body.Type: GrantFiled: August 31, 2012Date of Patent: March 29, 2016Assignees: Hyundai Motor Company, Kia Motors CorporationInventor: Dong Ho Chu
-
Publication number: 20150159543Abstract: An engine system may include an intake route control valve installed on a first intake line supplying outdoor air to an intake manifold; a second intake line bypassing the first intake route control valve; an exhaust route control valve installed on a first exhaust line on which exhaust gas discharged from an exhaust manifold flows; a turbo charger which includes: a turbine actuated by exhaust gas passing through a second exhaust line that bypasses the exhaust route control valve; and a compressor pumping intake air that flows on the second intake line; a turbine housing which is mounted with the turbine and made of an aluminum alloy; an electric water pump which pumps cooling water circulated in the turbine housing; and a controller which controls the intake route control valve, the exhaust route control valve, and the electric water pump according to an operation condition.Type: ApplicationFiled: August 27, 2014Publication date: June 11, 2015Applicant: Hyundai Motor CompanyInventors: Dong Ho CHU, Dong Hee HAN, Hyeon Ho KIM, Jong Il PARK
-
Publication number: 20150152777Abstract: A control method for a turbocharger system may include controlling opening levels of an intake bypass valve, an exhaust bypass valve, and a throttle valve according to a driving condition of a vehicle by a controller, and executing a series of commands by the controller, including determining whether an engine rpm satisfies a set low/medium speed condition, determining whether an acceleration request condition is satisfied when the engine rpm satisfies the set low/medium speed condition, closing the intake bypass valve, and controlling an opening angle of the exhaust bypass valve according to the acceleration request condition.Type: ApplicationFiled: October 29, 2014Publication date: June 4, 2015Applicant: Hyundai Motor CompanyInventors: Yoon Joo KIM, Seung Kook HAN, Il Joong HWANG, Dong Ho CHU, Jong Il PARK, Dong Hee HAN, Hyuk IM, Hyun Jun LIM
-
Publication number: 20150147197Abstract: An apparatus circulates a coolant in a turbocharger, which includes a first coolant line for supplying the coolant to the turbocharger from a water pump and configured to form a first flow resistance member to increase flow resistance to the coolant flowing through the first coolant line.Type: ApplicationFiled: July 16, 2014Publication date: May 28, 2015Applicants: Hyundai Motor Company, Kia Motors Corp.Inventors: Dong Ho CHU, Seon Yeong KIM, Yong Hoon KIM, Kwang Sik YANG, Hyung Ick KIM, Yung Hee HAN
-
Patent number: 9033346Abstract: A gasket for a vehicle is configured to improve performance of a turbocharger according to enhanced sealing performance. The gasket is disposed at a coupling portion of a cylinder head of an engine and an exhaust manifold adapted to supply exhaust gas from the cylinder head to a turbocharger.Type: GrantFiled: August 15, 2012Date of Patent: May 19, 2015Assignees: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATIONInventors: Jin Won Hong, Dong Ho Chu, Yonghoon Kim
-
Publication number: 20150115192Abstract: A waste gate valve which is installed on a turbocharger to selectively discharge a part of exhaust gas while allowing the part of the exhaust gas to bypass the turbocharger, may include a layer which is formed between a valve seat and a valve body that comes into contact with the valve seat.Type: ApplicationFiled: August 29, 2014Publication date: April 30, 2015Applicants: Hyundai Motor Company, HYUNDAI WIA CORPORATIONInventors: Kwang Hwan KIM, Seung Yeon LEE, Dong Ho CHU, Ui Yeon PARK, Kyung-Wook JIN, Sung-Jin YANG, Jun Gwan PARK, Gil-Beom LEE, Kyung-Jae JUNG
-
Publication number: 20150098815Abstract: A connector for coupling an exhaust manifold with a turbocharger housing may include a manifold coupling part coupled with the exhaust manifold, a housing coupling part integrally coupled with an end of the manifold coupling part and coupled with the turbocharger housing, and a plurality of exhaust gas paths penetrating through the manifold coupling part and the housing coupling part.Type: ApplicationFiled: June 24, 2014Publication date: April 9, 2015Applicants: Hyundai Motor Company, Kia Motors Corp.Inventor: Dong Ho Chu
-
Publication number: 20150068204Abstract: An engine system may include a main intake line, a supplementary intake line branched from the main intake line and joined to the main intake line, an intake bypass valve mounted to the main intake line, a main exhaust line mounted to an exhaust manifold, a supplementary exhaust line branched from the exhaust manifold and joined to the main exhaust line, an exhaust bypass valve mounted to the main exhaust line and selectively opening the main exhaust line, a turbocharger disposed adjacent to the supplementary exhaust line and operated by exhaust gas passing through the supplementary exhaust line, and a control unit for controlling the intake bypass valve and the exhaust bypass valve depending on an operation condition, wherein the exhaust gas is re-circulated from an upstream side of the exhaust bypass valve to the main intake line passing through an EGR (Exhaust Gas Recirculation) cooler and an EGR valve.Type: ApplicationFiled: December 20, 2013Publication date: March 12, 2015Applicant: Hyundai Motor CompanyInventors: Dong Hee Han, Seung Kook Han, Hyeon Ho Kim, Il Joong Hwang, Dong Ho Chu, Jong Il Park, Yoon Joo Kim, Hyuk Im, Hyun Jun Lim
-
Publication number: 20150020522Abstract: An engine system may include a first intake line connected to an intake manifold and supplying the intake manifold disposed on a cylinder block with outside air, an intake bypass valve disposed on the first intake line, a second intake line that bypasses the first intake bypass valve to the intake manifold, a first exhaust line through which exhaust gas flows from an exhaust manifold disposed on the cylinder block, an exhaust bypass valve disposed on the first exhaust line, a second exhaust line connected to the exhaust manifold and bypasses the exhaust bypass valve, a turbo charger disposed between the second intake line and the second exhaust line and operated by exhaust gas passing the second exhaust line to pump intake air flowing the second intake line, and a control portion that controls the intake bypass valve and the exhaust bypass valve depending on a driving condition.Type: ApplicationFiled: November 6, 2013Publication date: January 22, 2015Applicant: Hyundai Motor CompanyInventors: Jong Il Park, Seung Kook Han, Hyeon Ho Kim, II Joong Hwang, Dong Ho Chu, Yoon Joo Kim, Dong Hee Han, Hyuk Im, Hyun Jun Lim
-
Publication number: 20140165959Abstract: An engine having a variable valve timing device and a variable tumble device, may include the variable valve timing device advancing or delaying a rotation of an intake camshaft or an exhaust camshaft, an intake valve or an exhaust valve configured to be operated by the intake camshaft or the exhaust camshaft respectively to open and close an intake port or an exhaust port, and the variable tumble device that may be disposed on an upstream side of the intake valve in the intake port and changes a flow of a gas being suck to form a tumble in a combustion chamber.Type: ApplicationFiled: May 31, 2013Publication date: June 19, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Dong Hee Han, Seung Kook Han, Dae Yoon Oh, Wootae Kim, Dong Ho Chu, Jong Il Park, Yoon Joo Kim, Hyuk Im, Hyun Jun Lim
-
Publication number: 20140165960Abstract: A variable intake manifold apparatus for an internal combustion engine, may include an inlet drawing in outside air and being connected to a main passage, first and second outlets branched from the main passage and fluid-connected to the inlet through the main passage and releasing the outside air drawn through the main passage through the first and second outlets, and a partition dividing the main passage and one of the first and second intake passages.Type: ApplicationFiled: September 6, 2013Publication date: June 19, 2014Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Dong Hee Han, Seung Kook Han, Hyun Jun Lim, Dong Ho Chu, Yoon Joo Kim, Ji Ho Kim, Hyuk Im, Jong Il Park
-
Patent number: 8726659Abstract: An intake system of an engine may include an intake line supplying an engine with air, an exhaust line that exhaust gas combusted in the cylinder is exhausted, a housing disposed on the intake line and a compressor is disposed therein, the compressor is operated by a turbine disposed on an exhaust line, a recirculation line that recirculates the air from the intake line of a downstream side of the compressor to the intake line of an upstream side of the compressor, and an anti surge valve disposed on the recirculation line to open/close the recirculation line, wherein a length of a first section (l) that is straight from the anti surge valve is longer than two times the outlet diameter (d) of the anti surge valve in the recirculation line that is formed from the anti surge valve to an upstream side of the compressor.Type: GrantFiled: July 22, 2011Date of Patent: May 20, 2014Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Dong Ho Chu, Sang Kyu Kang, Hyung Jin Kim, Guehyun Jung, Younsoo Im
-
Publication number: 20130139502Abstract: A system for reducing noise of a wastegate valve apparatus including a bypass passage, a wastegate valve, an actuator and a link unit delivering the power of the actuator to the wastegate valve, may have a first link connected to the actuator, a third link connected to the wastegate valve, a second link provided with a rod disposed between the first link and the third link, wherein the second link includes a rod end ball bearing having a penetration hole into which a bolt member is inserted and a ball coupled to the penetration hole, and a joint connecting the rod and the third link, and a first washer disposed between the rod end ball bearing and the first link, wherein the first washer includes a support body, and an elastic member disposed between the first link and the support body.Type: ApplicationFiled: August 31, 2012Publication date: June 6, 2013Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventor: Dong Ho Chu
-
Publication number: 20130134683Abstract: A gasket for a vehicle is configured to improve performance of a turbocharger according to enhanced sealing performance. The gasket is disposed at a coupling portion of a cylinder head of an engine and an exhaust manifold adapted to supply exhaust gas from the cylinder head to a turbocharger.Type: ApplicationFiled: August 15, 2012Publication date: May 30, 2013Applicants: Kia Motors Corporation, Hyundai Motor CompanyInventors: Jin Won Hong, Dong Ho Chu, Yonghoon Kim
-
Patent number: 8448692Abstract: A mold and method for gravity casting may integrally cast a turbine housing having a twin scroll unit and a bypass unit and an exhaust manifold having a plurality of exhaust runner units. A turbine housing-side riser may be formed based on the end portion of the twin scroll unit within a first mold and a second mold in the state where the cavity of the turbine housing is formed so that the end portion of the twin scroll unit which is the outlet of the turbine housing is upward disposed.Type: GrantFiled: June 22, 2012Date of Patent: May 28, 2013Assignees: Hyundai Motor Company, Kia Motors Corporation, Samshin Precision Co., Ltd.Inventors: Dong Ho Chu, Dong-chang Choi, Jae-yong Lee
-
Publication number: 20130108429Abstract: A turbine housing of a turbocharger for a vehicle that may be connected to an exhaust manifold and in which a turbine wheel may be rotated using kinetic energy of exhaust gas therein, may include a turbine wheel accepting portion having a circular hole shape so as to receive the turbine wheel therein, a scroll portion surrounding the turbine wheel accepting portion therein, wherein an exhaust gas passage may be formed along a rotating direction of the turbine wheel through the scroll portion, a partition dividing the exhaust gas passage of the scroll portion into at least two passages, and a slit formed at the partition in a radial direction of the partition.Type: ApplicationFiled: June 6, 2012Publication date: May 2, 2013Applicant: Hyundai Motor CompanyInventors: KYUNG SUB SUNG, KIL MIN MOON, DONG HO CHU, SANG JOON PARK