1
Back Sik Kim, Kyoung Pyo Ha, In Sang Ryu, Dae Sung Kim, Ingee Suh, Ki Young Kwon: Continuous variable valve duration apparatus and engine provided with the same. HYUNDAI MOTOR COMPANY, McDermott Will & Emery, December 6, 2016: US09512748 (7 worldwide citation)

A continuous variable valve duration apparatus includes a camshaft. A slider, which is mounted to the camshaft, has a camshaft sliding key and a cam portion of which a cam and a cam sliding key are formed thereto. The camshaft is inserted into the cam portion, and a relative phase between the cam an ...


2
Back Sik Kim, Sang Hee Lee, Kwangsoon Choi, Joong Soo Kim, Dae Sung Kim, Hyuk Im, Kyoung Pyo Ha: Continuous variable valve duration apparatus. Hyundai Motor Company, Morgan Lewis & Bockius, August 26, 2014: US08813704 (4 worldwide citation)

A continuous variable valve duration apparatus may vary an opening duration of a valve. The continuous variable valve duration apparatus may include a camshaft in which a camshaft slot is formed, a cam portion of which a cam and a cam slot are formed thereto and of which a rotation center is identic ...


3
Kyoung Pyo Ha: Method and apparatus for measuring oil aeration of an engine. Hyundai Motor Company, Morgan Lewis & Bockius, October 31, 2006: US07130738 (4 worldwide citation)

A density ρ0 of pure oil and a density ρa of air are calculated based on a measured oil pressure P and a measured oil temperature T of an oil line connecting a hydraulic pump of an engine and an oil gallery of a cylinder block, and then oil aeration is calculated based on a measured oil density {ove ...


4
Back Sik Kim, Kyoung Pyo Ha, In Sang Ryu, Ingee Suh, Kiyoung Kwon: Continuous variable valve duration apparatus and engine provided with the same. Hyundai Motor Company, Morgan Lewis & Bockius, January 23, 2018: US09874119 (3 worldwide citation)

A continuous variable valve duration apparatus may include a camshaft mounted to a cylinder head, a plurality of wheels mounted to the camshaft, of which a wheel key is formed respectively, and disposed on each cylinder, a plurality of cam portions of which a cam and a cam key are formed respectivel ...


5
You Sang Son, Kyoung Pyo Ha, Back sik Kim: Continuous variable valve duration apparatus and engine provided with the same. Hyundai Motor Company, Morgan Lewis & Bockius, January 16, 2018: US09869215 (3 worldwide citation)

A continuous variable valve duration apparatus may include a camshaft, first and second cam portions, of which the camshaft is inserted thereto, of which relative phase angles with respect to the camshaft are variable, a first and a second inner brackets transmitting rotation of the camshaft to the ...


6
Kyoung Pyo Ha, Jin Kook Kong, Woo Tae Kim: Rocker arm apparatus for engine cylinder deactivation. Hyundai Motor Company, Morgan Lewis & Bockius, August 13, 2013: US08505509 (3 worldwide citation)

The present invention provides to a rocker arm apparatus for cylinder deactivation with a new structure for increasing fuel efficiency in a gasoline engine. For this, the present invention provides a rocker arm apparatus for cylinder deactivation including: a rocker arm; a restoring spring supported ...


7
Myungsik Choi, Kyoung Pyo Ha, Chun Woo Lee, Woo Tae Kim, Hyung Ick Kim, Yooshin Cho, Ingee Suh, Back Sik Kim, Dae Sung Kim, Dae Yoon Oh, Dong Hee Han: Continuous variable valve lift device. Hyundai Motor Company, Morgan Lewis & Bockius, July 5, 2011: US07971562 (3 worldwide citation)

A continuous variable valve lift device includes a valve, which opens/closes a channel by means of reciprocation, a control shaft, which is mounted so as to be able to move toward or away from a reciprocation central axis of the valve, a pivotable shoe, which is pivotably coupled to the control shaf ...


8
In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon: System and method for controlling valve timing of continuous variable valve duration engine. HYUNDAI MOTOR COMPANY, Brinks Gilson & Lione, April 3, 2018: US09932908 (2 worldwide citation)

The present disclosure provides a system and a method for controlling valve timing of a continuous variable valve duration. The method may include: classifying a plurality of control regions depending on an engine speed and an engine speed; applying a maximum duration to an intake valve in a first c ...


9
In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon: Method for controlling of valve timing of continuous variable valve duration engine. HYUNDAI MOTOR COMPANY, Brinks Gilson & Lione, February 13, 2018: US09889838 (2 worldwide citation)

A method for controlling valve timing for an engine includes: 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 an exhaust valve to limit a valve overlap in a first region; controlling the intake ...


10
In Sang Ryu, Kyoung Pyo Ha, You Sang Son, Kiyoung Kwon: Apparatus and method for controlling engine. HYUNDAI MOTOR COMPANY, Brinks Gilson & Lione, February 27, 2018: US09903281 (2 worldwide citation)

Methods and devices are provided for controlling an engine provided with a continuously variable valve timing (CVVT) device disposed on an intake valve side, and with a continuous variable valve duration (CVVD) device and a continuously variable valve timing (CVVT) disposed on an exhaust valve side ...