Patents by Inventor Ki Uk Shin
Ki Uk Shin 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: 8291874Abstract: An apparatus for adjusting deviation of an engine and a continuously variable valve lift device including the same are provided. The apparatus for adjusting deviation of an engine includes an adjustment member connecting a rocker arm to plural output cams, respectively, to adjust lengths between the rocker arm and the output cams, respectively, so that the lengths become equal to or different from each other. The continuously variable valve lift device includes an eccentric cam shaft with eccentric cams installed on its outer periphery, a rocker arm rotatably installed on the eccentric cams to interlock with plural output cams, and apparatus for adjusting deviation provided on the rocker arm to adjust lengths between the rocker arm and the output cams so that the lengths become equal to or different from each other.Type: GrantFiled: October 5, 2009Date of Patent: October 23, 2012Assignee: Hyundai Motor CompanyInventors: Jei Choon Yang, Young Hong Kwak, Ki Uk Shin, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim, Ki Young Kwon
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Patent number: 7987826Abstract: A variable valve lift apparatus according to an exemplary embodiment of the present invention includes a low lift cam, a high lift cam in parallel with the low lift cam, a low lift tappet body that selectively contacts the low lift cam, a high lift tappet body disposed within the low lift tappet body and constantly contacting the high lift cam, a guide portion that is connected with a valve and selectively connects the low lift tappet body and the high lift tappet body, and a lost motion spring that is disposed between the guide portion and the low lift tappet body and supplies restoring force to the low lift tappet body.Type: GrantFiled: June 24, 2008Date of Patent: August 2, 2011Assignee: Hyundai Motor CompanyInventors: Young Hong Kwak, Kiyoung Kwon, Ki Uk Shin, Jin Kook Kong
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Patent number: 7918202Abstract: A variable valve apparatus includes a high lift cam and a low lift cam in parallel with the high lift cam. A tappet body includes a high lift tappet body that constantly contacts the high lift cam, and a low lift tappet body that is disposed in the high lift tappet body and selectively contacts the low lift cam. An inner column is connected with a valve and reciprocally disposed within the low lift tappet body. A supporting member is disposed below the tappet body. A lost motion elastic member is disposed between the supporting member and the tappet body for supplying restoring force to the tappet body. A first connector selectively connects the high lift tappet body and the low lift tappet body. A second connector selectively connects the low lift tappet body and the inner column.Type: GrantFiled: October 1, 2008Date of Patent: April 5, 2011Assignee: Hyundai Motor CompanyInventors: Young Hong Kwak, Kiyoung Kwon, Ki Uk Shin, Jin Kook Kong, Kyoung Joon Chang
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Patent number: 7823552Abstract: A continuous variable valve lift apparatus includes an input cam disposed on an input shaft, a valve opening/closing portion, and a rocker arm rotating shaft. A rocker arm rotates around the rocker arm rotating shaft corresponding to a rotation of the input cam. An output cam is disposed at an end of the rocker arm, and opens and closes the valve opening/closing portion. A control portion controls a position of the rocker arm rotating shaft.Type: GrantFiled: December 28, 2007Date of Patent: November 2, 2010Assignee: Hyundai Motor CompanyInventors: Kiyoung Kwon, Young Hong Kwak, Ki Uk Shin, Kyoung Joon Chang, Jin Kook Kong
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Patent number: 7789053Abstract: A continuous variable valve lift apparatus according to an exemplary embodiment of the present invention includes a camshaft, an input cam disposed to the camshaft, a variable lever that is rotably connected to the camshaft and includes a first arm including a first connecting shaft and a second arm including a second connecting shaft, a first link rotating around the first connecting shaft corresponding to a rotation of the input cam, an output cam rotating around the camshaft, a valve opening/closing portion that is opened and closed corresponding to a rotation of the output cam, and a connecting portion that is disposed for the output cam to rotate corresponding to a rotation of the first link.Type: GrantFiled: April 23, 2008Date of Patent: September 7, 2010Assignees: Hyundai Motor Company, Kia Motors CorporationInventors: Jin Kook Kong, Won Geun Lee, Kyoung Joon Chang, Kiyoung Kwon, Young Hong Kwak, Ki Uk Shin, Eun Ho Lee, Young Nam Kim
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Publication number: 20100139590Abstract: An apparatus for adjusting deviation of an engine and a continuously variable valve lift device including the same are provided. The apparatus for adjusting deviation of an engine includes an adjustment member connecting a rocker arm to plural output cams, respectively, to adjust lengths between the rocker arm and the output cams, respectively, so that the lengths become equal to or different from each other. The continuously variable valve lift device includes an eccentric cam shaft with eccentric cams installed on its outer periphery, a rocker arm rotatably installed on the eccentric cams to interlock with plural output cams, and apparatus for adjusting deviation provided on the rocker arm to adjust lengths between the rocker arm and the output cams so that the lengths become equal to or different from each other.Type: ApplicationFiled: October 5, 2009Publication date: June 10, 2010Applicant: Hyundai Motor CompanyInventors: Jei Choon YANG, Young Hong Kwak, Ki Uk Shin, Jin Kook Kong, Soo Hyung Woo, Jin Soon Kim, Ki Young Kwon
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Patent number: 7681543Abstract: A tappet apparatus cooperates with a valve and a cam. The apparatus includes a case to reciprocate motion of the cam; and a locking unit in the ease, movable between an activated position at which the valve reciprocates motion of the case, and a deactivated position at which the valve is stationary regardless of the motion of the case. The locking unit may include first and second passages in the case; a pin, movable between a first and a second position within the first passage; and a column in the second passage. The pin may be situated in the column when the pin is in the second position. The activated position may be defined by the pin being in the first position, and the deactivated position may be defined by the pin being in the second position.Type: GrantFiled: December 10, 2007Date of Patent: March 23, 2010Assignee: Hyundai Motor CompanyInventors: Ki Uk Shin, Jin Kook Kong, Won Geun Lee, Kiyoung Kwon
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Publication number: 20090151682Abstract: A variable valve lift apparatus according to an exemplary embodiment of the present invention includes a low lift cam, a high lift cam in parallel with the low lift cam, a low lift tappet body that selectively contacts the low lift cam, a high lift tappet body disposed within the low lift tappet body and constantly contacting the high lift cam, a guide portion that is connected with a valve and selectively connects the low lift tappet body and the high lift tappet body, and a lost motion spring that is disposed between the guide portion and the low lift tappet body and supplies restoring force to the low lift tappet body.Type: ApplicationFiled: June 24, 2008Publication date: June 18, 2009Applicant: Hyundai Motor CompanyInventors: Young Hong Kwak, Kiyoung Kwon, Ki Uk Shin, Jin Kook Kong
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Publication number: 20090151677Abstract: A variable valve apparatus includes a high lift cam and a low lift cam in parallel with the high lift cam. A tappet body includes a high lift tappet body that constantly contacts the high lift cam, and a low lift tappet body that is disposed in the high lift tappet body and selectively contacts the low lift cam. An inner column is connected with a valve and reciprocally disposed within the low lift tappet body. A supporting member is disposed below the tappet body. A lost motion elastic member is disposed between the supporting member and the tappet body for supplying restoring force to the tappet body. A first connector selectively connects the high lift tappet body and the low lift tappet body. A second connector selectively connects the low lift tappet body and the inner column.Type: ApplicationFiled: October 1, 2008Publication date: June 18, 2009Applicant: Hyundai Motor CompanyInventors: Young Hong KWAK, Kiyoung Kwon, Ki Uk Shin, Jin Kook Kong, Kyoung Joon Chang
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Publication number: 20090139363Abstract: A continuous variable valve lift apparatus includes an input cam; a control lever rotating shaft; a control lever with a contact portion, provided on the control lever rotating shaft; a control portion that controls the angle between the control lever and the control lever rotating shaft; a first link rotatably connected to the control lever rotating shaft; a second link rotatably connected to the first link, that contacts the contact portion; an output cam on the second link, to open and close a valve; and an elastic portion provided such that a connecting portion of the first link and the second link contact the input cam.Type: ApplicationFiled: December 28, 2007Publication date: June 4, 2009Inventors: Young Hong Kwak, Ki Uk Shin
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Publication number: 20090090317Abstract: A tappet apparatus cooperates with a valve and a cam. The apparatus includes a case to reciprocate motion of the cam; and a locking unit in the ease, movable between an activated position at which the valve reciprocates motion of the case, and a deactivated position at which the valve is stationary regardless of the motion of the case. The locking unit may include first and second passages in the case; a pin, movable between a first and a second position within the first passage; and a column in the second passage. The pin may be situated in the column when the pin is in the second position. The activated position may be defined by the pin being in the first position, and the deactivated position may be defined by the pin being in the second position.Type: ApplicationFiled: December 10, 2007Publication date: April 9, 2009Inventors: Ki Uk Shin, Jin Kook Kong, Won Geun Lee, Kiyoung Kwon
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Publication number: 20090031971Abstract: A continuous variable valve lift apparatus includes an input cam disposed on an input shaft, a valve opening/closing portion, and a rocker arm rotating shaft. A rocker arm rotates around the rocker arm rotating shaft corresponding to a rotation of the input cam. An output cam is disposed at an end of the rocker arm, and opens and closes the valve opening/closing portion. A control portion controls a position of the rocker arm rotating shaft.Type: ApplicationFiled: December 28, 2007Publication date: February 5, 2009Inventors: Kiyoung Kwon, Young Hong Kwak, Ki Uk Shin, Kyoung Joon Chang, Jin Kook Kong
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Publication number: 20080314344Abstract: A continuous variable valve lift apparatus according to an exemplary embodiment of the present invention includes a camshaft, an input cam disposed to the camshaft, a variable lever that is rotably connected to the camshaft and includes a first arm including a first connecting shaft and a second arm including a second connecting shaft, a first link rotating around the first connecting shaft corresponding to a rotation of the input cam, an output cam rotating around the camshaft, a valve opening/closing portion that is opened and closed corresponding to a rotation of the output cam, and a connecting portion that is disposed for the output cam to rotate corresponding to a rotation of the first link.Type: ApplicationFiled: April 23, 2008Publication date: December 25, 2008Inventors: Jin Kook Kong, Won Geun Lee, Kyoung Joon Chang, Kiyoung Kwon, Young Hong Kwak, Ki Uk Shin, Eun Ho Lee, Young Nam Kim