Patents by Inventor Kyoung-Pyo Ha
Kyoung-Pyo Ha 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: 10259306Abstract: An oblique motor of a vehicle including an engine and a transmission includes a stator having a diameter formed to be smaller toward the engine; a rotor disposed inside the stator and having a diameter formed to be smaller toward the engine; a cooling member fixed to the stator and configured to cool heat generated from the stator; and a housing enclosing the cooling member and fixedly installed between the engine and the transmission.Type: GrantFiled: December 5, 2017Date of Patent: April 16, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jong Won Lee, Kyoung Pyo Ha, Key Chun Park
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Patent number: 10208681Abstract: A continuous variable valve timing apparatus may include a camshaft, a cam device on which a cam is formed respectively and of which the camshaft is inserted thereto, wherein a relative phase angle with respect to the camshaft is variable, an inside bracket configured to transmit rotation of the camshaft to the cam device, a lifter in which the inside bracket is rotatably inserted therein and on which a cylinder opening and a shaft opening are formed thereon, a control shaft parallel to the camshaft and to which a control rod, inserted into the shaft opening, is eccentrically formed, a control cylinder on which a control rod opening where the control rod is inserted therein is formed and inserted into the cylinder opening, a guide portion guiding movement of the lifter and a controller selectively rotating the control shaft, wherein the lifter may move.Type: GrantFiled: December 1, 2016Date of Patent: February 19, 2019Assignee: Hyundai Motor CompanyInventors: You Sang Son, Woong Kim, Kyoung Pyo Ha, Back Sik Kim, Dongheon Park
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Patent number: 10202918Abstract: The present disclosure provides a system and a method for controlling valve timing of continuous variable valve duration engine. The method includes: classifying control regions depending on engine speed and engine load; applying a maximum duration to an intake valve and controlling valve overlap between the intake valve and an exhaust valve in a first control region; applying the maximum duration to the intake valve and reducing the valve overlap by using exhaust valve closing (EVC) timing in a second control region; advancing intake valve closing (IVC) timing according to an increase of the engine load in a third control region; controlling a throttle valve to be fully opened and controlling the EVC timing to an angle after top dead center in a fourth control region; and controlling the throttle valve to be fully opened and controlling the IVC timing according to the engine speed in a fifth control region.Type: GrantFiled: November 1, 2016Date of Patent: February 12, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10202875Abstract: The present disclosure provides a powertrain including an engine housing to which a cylinder head and cam carrier are mounted, a camshaft mounted to the cam carrier, first and second cam portions on which cams are formed, in which the camshaft is inserted, of which relative phase angle with respect to the camshaft is variable and disposed corresponding to a first cylinder and second cylinder respectively, first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing in which the first and second inner brackets are rotatably inserted and of which a position with respect to the cam shaft is variable, a lifter control portion controlling the position of the slider housing, a motor assembly engaged with the engine housing and in which a flywheel connected with a crankshaft is rotatably disposed, and a transmission connected with the motor assembly.Type: GrantFiled: September 30, 2016Date of Patent: February 12, 2019Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10174643Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam device on which a cam is formed, of which the camshaft is inserted thereto and of which a relative phase angle with respect to the camshaft is variable, an internal bracket transmitting rotation of the camshaft to the cam device, a wheel housing in which the internal bracket is rotatably inserted and on which a guide groove parallel to the camshaft is formed, a control portion including a control shaft disposed parallel to the camshaft and inserted into the guide groove, and the control portion selectively rotating the control shaft for the relative position of the wheel housing with respect to the camshaft to be changed and a slider housing interposed between the control shaft and the guide groove.Type: GrantFiled: November 7, 2017Date of Patent: January 8, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: You Sang Son, Ingee Suh, Kiyoung Kwon, In Sang Ryu, Kyoung Pyo Ha, Dongheon Park, Wootae Kim, Back Sik Kim, Seung Jae Lee
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Patent number: 10174645Abstract: A variable valve duration system may include a camshaft, a first cam portion including a first cam, into which the camshaft is inserted and of which a relative phase angle of the first cam with respect to the camshaft is variable, an inner bracket transmitting rotation of the camshaft to the first cam portion, a slider housing into which the inner bracket is rotatably inserted, a first rocker arm having a first end contacting the first cam and a second end connected to a first valve, a rocker shaft to which the first rocker arm is rotatably connected, a solenoid valve to selectively supply hydraulic pressure, and a position controller to selectively change a position of the slider housing according to the selective supplying of the hydraulic pressure from the solenoid valve.Type: GrantFiled: September 15, 2016Date of Patent: January 8, 2019Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Kyung Mo Kim, Kyoung Pyo Ha, You Sang Son
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Patent number: 10156166Abstract: The present disclosure provides an engine with an oil supply system including a cam carrier in which a camshaft support hole is formed and in which an oil supply hole is formed to the camshaft support hole; a camshaft in which a camshaft oil line is formed, in which an inlet supplying oil from the cam carrier oil supply hole is formed and in which a first camshaft bifurcated line is formed; first and second cam portions on which cams are formed, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, disposed corresponding to a first and a second cylinders, and the first and second cam portions in which a cam portion oil line in fluid communication with first camshaft bifurcated line is formed.Type: GrantFiled: October 27, 2016Date of Patent: December 18, 2018Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10145312Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method may include: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve in a first control region; maintaining the maximum duration of the intake valve and controlling a valve overlap by using exhaust valve closing (EVC) timing in a second control region; advancing intake valve closing (IVC) timing in a third control region; controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region; controlling a throttle valve to be fully opened and generating a scavenging phenomenon in a fifth control region; and controlling the throttle valve to be fully opened and controlling the IVC timing to prevent knocking in a sixth control region.Type: GrantFiled: November 1, 2016Date of Patent: December 4, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10145313Abstract: A method for controlling valve timing of a continuous variable valve duration engine may include: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and controlling a valve overlap between an exhaust valve and an intake valve by using an exhaust valve closing (EVC) timing in a first control region; advancing an intake valve closing (IVC) timing and applying a maximum duration to the exhaust valve in a second control region; advancing the IVC timing and the EVC timing in a third control region; controlling the EVC timing in a fourth control region; controlling a throttle valve to be fully opened and controlling the IVC timing in a fifth control region; and controlling the throttle valve to be fully opened and advancing the IVC timing in a sixth control region.Type: GrantFiled: December 2, 2016Date of Patent: December 4, 2018Assignee: Hyundai Motor CompanyInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10138764Abstract: A continuous variable valve duration apparatus includes a camshaft, a first and second cam portion, each including a cam and a cam key, where the camshaft is inserted into the first and second cam portions and where relative phase angles with respect to the camshaft are variable, a first and second inner bracket transmitting a rotation of the camshaft to the first and second cam portions respectively, a first and second slider housing, a cam cap rotatably supporting the first and second cam portions respectively, a slider pin rotatably inserted into the first sliding hole and slidably inserted into the camshaft, a cam pin on which a cam key slot for the cam key to be slidably inserted thereinto is formed, a control shaft disposed parallel to the camshaft and engaged with the first and second slider housings, and a control portion selectively rotating the control shaft.Type: GrantFiled: December 5, 2016Date of Patent: November 27, 2018Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10132248Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam device, of which the camshaft is inserted thereto, of which a phase angle with respect to the camshaft is variable, and the cam device on which a cam key is formed, an inside bracket transmitting rotation of the camshaft to the cam device and on which a first slide opening and a second sliding opening are formed respectively, a slider housing in which the inside bracket is rotatably inserted and of which relative position with respect to the camshaft is variable, a controller selectively changing the relative position of the slider housing, a cam pin of which a cam key opening for the cam key to be slidably inserted thereto is formed and slidably inserted into the second sliding opening and a slider pin rotatably inserted into the first sliding opening and slidably inserted into the camshaft.Type: GrantFiled: December 1, 2016Date of Patent: November 20, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10132249Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine, including: classifying a plurality of control regions based on engine load and speed; applying a maximum duration to an intake valve and a long duration to an exhaust valve in a first control region; maintaining a maximum valve overlap in a second control region; advancing intake valve closing (IVC) timing and exhaust valve closing (EVC) timing in a third control region; applying a short duration to the exhaust valve and controlling the IVC timing to bottom dead center in a fourth control region; controlling a throttle valve to be fully opened, and controlling the IVC timing to an angle after BDC in a fifth control region; and applying the long duration to the exhaust valve, and controlling the IVC timing to prevent knocking in a sixth control region.Type: GrantFiled: November 1, 2016Date of Patent: November 20, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10132209Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, the camshaft being inserted into the first and second cam portions such that relative phase angles with respect to the camshaft are variable; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a slider housing in which the first and the second inner brackets are rotatably inserted; first and second guiding portions formed on the slider housing; a cam cap on which a cam cap guide contacting the second guiding portion is formed; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a guide head on which a head guiding portion and a head hole are formed; and a control portion selectively rotating the control shaft.Type: GrantFiled: September 14, 2016Date of Patent: November 20, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: Back Sik Kim, Kyoung Pyo Ha, You Sang Son
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Patent number: 10100752Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method may include: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve in a first control region; maintaining the maximum duration of the intake valve and controlling a valve overlap by using exhaust valve closing (EVC) timing in a second control region; advancing intake valve closing (IVC) timing in a third control region; controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region; controlling a throttle valve to be fully opened and generating a scavenging phenomenon in a fifth control region; and controlling the throttle valve to be fully opened and controlling the IVC timing to prevent knocking in a sixth control region.Type: GrantFiled: November 1, 2016Date of Patent: October 16, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10082053Abstract: A continuous variable valve duration apparatus may include a camshaft, a first and second cam portions, first and inside brackets transmitting rotation of the camshaft to the first and second cam portions respectively, a slider housing of which the first and second inside brackets are rotatably inserted thereto, cam caps of which each cam cap engaging portion is rotatably connected thereto, a connecting bracket connecting the cam caps and of which a guide opening for the guide protruded portion to be inserted thereto for guiding movement of the slider housing is formed thereto, a slider pin rotatably inserted into the first sliding opening and slidably inserted into the camshaft, a cam pin of which a cam opening for the cam to be slidably inserted thereto is formed and rotatably inserted into the second sliding opening and a controller selectively changing a position of the slider housing.Type: GrantFiled: November 30, 2016Date of Patent: September 25, 2018Assignee: Hyundai Motor CompanyInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10077721Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method includes: classifying control regions based on engine speed and load; retarding intake valve closing (IVC) timing, applying a long duration to an exhaust valve, and limiting a valve overlap in a first control region; advancing the IVC timing, applying the long duration to the exhaust valve, and controlling the valve overlap in a second control region; applying the long duration to the exhaust valve and advancing the IVC timing in a third control region; controlling a throttle valve to be fully opened and applying a short duration to the exhaust valve in a fourth control region; and controlling the throttle valve to be fully opened, applying the long duration to the exhaust valve, and retarding the IVC timing in a fifth control region.Type: GrantFiled: November 1, 2016Date of Patent: September 18, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10072536Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, to which the camshaft is inserted and of which relative phase angles with respect to the camshaft are variable; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a slider housing in which the first and second inner brackets are rotatably inserted, and on which a control slot is formed; a cam cap rotatably supporting the first and the second cam portions and to which the slider housing is slidably mounted; a control shaft which is parallel to the camshaft and on which a control rod is eccentrically formed; an eccentric plate rotatably connected to the control rod and rotatably inserted into the control slot; and a control portion selectively rotating the control shaft.Type: GrantFiled: September 26, 2016Date of Patent: September 11, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Kyoung Pyo Ha, Back Sik Kim
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Patent number: 10072588Abstract: The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration engine. The method may include: classifying a plurality of control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve in a first control region; maintaining the maximum duration of the intake valve and controlling a valve overlap by using exhaust valve closing (EVC) timing in a second control region; advancing intake valve closing (IVC) timing in a third control region; controlling the IVC timing to be close to bottom dead center (BDC) in a fourth control region; controlling a throttle valve to be fully opened and generating a scavenging phenomenon in a fifth control region; and controlling the throttle valve to be fully opened and controlling the IVC timing to prevent knocking in a sixth control region.Type: GrantFiled: November 1, 2016Date of Patent: September 11, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon
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Patent number: 10060307Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a slider housing in which the first and the second inner brackets are rotatably inserted; first and second guiding portions formed on the slider housing; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a positioning protrusion connected to the control shaft; a guide head on which a head guiding portion and a head hole are formed; a cam cap supporting rotations of the first and the second cam portions and guiding movement of the slider housing, a control portion selectively rotating the control shaft; and a stopper unit limiting movement of the positioning protrusion.Type: GrantFiled: September 22, 2016Date of Patent: August 28, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Woong Kim, Kyoung Pyo Ha, Back Sik Kim, Dongheon Park
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Patent number: 10060306Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively; first and second inner brackets transmitting rotation of the camshaft to the first and second cam portions respectively; a slider housing in which the first and the second inner brackets are rotatably inserted; first and second guiding portions formed on the slider housing; a cam cap on which a cam cap guide contacting the second guiding portion is formed; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a guide head on which a head guiding portion and a head hole are formed; a control portion selectively rotating the control shaft; and a stopper limiting movement of the guide head. The head guiding portion is connected to the first guiding portion, and the control rod is inserted into the head hole.Type: GrantFiled: September 22, 2016Date of Patent: August 28, 2018Assignee: HYUNDAI MOTOR COMPANYInventors: You Sang Son, Woong Kim, Kyoung Pyo Ha, Back Sik Kim, Dongheon Park