Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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 guide head on which a head guiding portion and a head hole are formed; a cam cap supporting the control shaft; a cam cap guiding portion mounted to the cam cap; and a control portion selectively rotating the control shaft such that the slider housing is moved along the cam cap guiding portion.

Abstract: A method for controlling valve timing of an engine may include: classifying control regions; applying a maximum duration to an intake valve and controlling a valve overlap in a first control region; applying the maximum duration to the intake valve and an exhaust valve in a second control region; controlling a manifold absolute pressure (MAP) of an intake manifold to be maintained constant in a third control region; controlling a wide open throttle valve (WOT) and creating a valve overlap by reducing interference of exhaust in a fourth control region; and controlling a wide open throttle valve (WOT) and controlling an intake valve closing timing based on the engine speed. In particular, the control regions are classified by a controller based on an engine load and an engine speed compared with predetermined values, respectively.

Abstract: A method for controlling valve timing is provided for an engine including continuous variable duration (CVVD) device disposed on both intake valve and exhaust valve sides respectively. The method may include: classifying control regions into first, second, third, fourth, and fifth control regions based on engine load and speed; applying a maximum duration to an intake valve and controlling a valve overlap in a first control region, applying the maximum duration to the intake valve and exhaust valve in the second control region; controlling a manifold absolute pressure (MAP) of an intake manifold to be maintained consistently in the third control region; controlling a throttle valve to be fully opened, advancing an intake valve closing (IVC) timing, and controlling an exhaust valve closing (EVC) timing to after top dead center in the fourth control region; and controlling a wide open throttle valve (WOT) and retarding the intake valve closing in the fifth control region.

Abstract: An exhaust heat recovery system may a condenser having a working fluid introduced thereinto and recovering heat of the introduced working fluid, the introduced working fluid receiving heat of exhaust gas through a heat exchanger provided in an exhaust pipe, and a reservoir receiving the working fluid from the condenser, wherein the condenser and the reservoir are provided with a coolant channel through which a coolant for cooling the working fluid flows.

Abstract: 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 and controlling a valve overlap between the intake valve and an exhaust valve in a first control region; maintaining the maximum duration of the intake valve and applying a maximum duration to the exhaust valve in a second control region; maintaining a manifold absolute pressure (MAP) at a predetermined pressure in a third control region; controlling a throttle valve to be fully opened and generating the valve overlap in a fourth control region; and controlling the throttle valve to be fully opened and controlling intake valve closing (IVC) timing according to the engine speed in a fifth control region.

Abstract: 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 unit in which the first and second inner brackets are rotatably inserted and of which a relative positions with respect to the camshaft is variable; a control shaft parallel to the camshaft; a control rod eccentrically formed on the control shaft; a lifter on which a lifter hole and a rotation hole are formed; and a control portion selectively rotating the control shaft so as to controlling a position of the slider housing unit.

Abstract: 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.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus of controlling a vibration of a hybrid electric vehicle disclosure may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; an SOC detector detecting a state of charge (SOC) of a battery; and a controller. The controller controls the operation of a motor based of the position of the engine, the air amount, the position of the accelerator pedal, the speed of the hybrid electric vehicle, and the SOC of the battery.

Abstract: A continuous variable valve duration apparatus may include a camshaft, a cam unit 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 inner bracket transmitting rotation of the camshaft to the cam unit, a wheel housing in which the inner bracket is rotatably inserted, on which a guide groove parallel to the camshaft is formed, and on which a guide hole vertical to the camshaft is formed, a guide portion including a guide shaft inserted into the guide hole for guiding movement of the wheel housing and 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.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; an SOC detector detecting a state of charge (SOC) of a battery; and a controller controlling operation of a motor based on the position of the engine, the air amount, the position of the accelerator pedal, the speed of the hybrid electric vehicle, and the SOC of the battery.

Abstract: Disclosed are a method of and an apparatus for controlling a vibration of a hybrid electric vehicle. An apparatus for controlling a vibration of a hybrid electric vehicle disclosure may include: an engine position detector detecting a position of an engine; an air amount detector detecting an air amount flowing into the engine; an accelerator pedal position detector detecting a position of an accelerator pedal; a vehicle speed detector detecting a speed of the hybrid electric vehicle; and a controller controlling operation of a motor based on the engine position, the air amount, the position of the accelerator pedal, and the speed of the hybrid electric vehicle.

Abstract: A method for controlling valve timing is provided for an engine including a continuous variable valve duration device disposed on an intake valve side, and a continuous variable valve duration device and continuous variable valve timing device disposed on an exhaust valve side. The method includes: classifying first, second, third, fourth, and fifth control regions depending on an engine speed and an engine load; applying a maximum duration to an intake valve and controlling a valve overlap in the first control region; applying the maximum duration to the intake valve and exhaust valve in the second control region; controlling a manifold absolute pressure (MAP) of an intake manifold to be maintained consistently in the third control region; controlling a wide open throttle valve (WOT) and retarding an exhaust valve opening (EVO) timing in the fourth control region; and controlling the WOT and retarding an intake valve closing (IVC) timing in the fifth control region.

Abstract: A continuous variable valve duration apparatus may include: a camshaft; first and second cam portions on which a cam is formed respectively, the camshaft inserted to the first and second cam portions 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 cam lifter in which the first and second inner brackets are rotatably inserted, and a cam lifter guide slantly formed on the cam lifter; a cam cap rotatably supporting the first and the second cam portions, and the cam lifter slidably mounted to the cam cap; a control portion including a screw shaft parallel to the camshaft; and an adapter engaged with the screw shaft, on which an adapter guide slidably engaged with the cam lifter guide and moving a relative position of the cam lifter.

Abstract: A continuous variable valve duration apparatus may include a camshaft, a first and second cam portions on which a cam is formed respectively, of which the camshaft is inserted thereto and of which relative phase angles with respect to the camshaft are variable, a 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, of which a relative position with respect to the camshaft is variable, 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 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, a separation prevention pin disposed to inhibit the eccentric plate from being separated from the slider housing and a contr

Abstract: A system and a method for controlling valve timing of a continuous variable valve duration engine that simultaneously controls duration and timing of the valve by mounting a continuous variable valve duration device on an intake of turbo engine and mounting a continuous variable valve timing device on an exhaust is disclosed. The method includes: classifying a plurality of control regions depending on engine speed and load; applying a maximum duration to an intake valve and limiting an overlap to an exhaust valve; applying the maximum duration to the intake valve and adjusting the overlap by using an exhaust valve close timing; advancing an intake valve close timing; approaching an intake valve close timing to bottom dead center; controlling a wide open throttle valve and controlling the intake valve close timing to after bottom dead center; and controlling the wide open throttle valve and advancing the intake valve close timing.