Hyundai Motor Company

Kia Motors Corporation

Skhynix Inc.

Kia Motor Corporation

Kia Corporation

Han Sang Kim

Min Seok Shin

Jeong Eun Song

Kang Bong Seo

Seong Sik Kim

Hak Soon Kim

Wootae Kim

Choo Saeng Choi

Yu Jin Park

Sung Uk Seo

Jungjoo Park

Jung Joo Park

Byung Hyun Lee

Bonghoon Han

Min Sub Kim

Dongho Lee

Sun Gyu Park

Sun Young Lee

Eun Ho Lee

Il Suk Yang

Yun Seok Kim

Woo Tae Kim

Nahm Roh Joo

Yoonsik Woo

Jung Soon Shin

Su Ho Lee

Seong Hyuk Kang

Eun Chang Lee

Ha Dong Bong

Hoo Chan Lee

Jin Seon Kim

Pil Sung Jang

Hyun Il Park

Jong Sub Lee

Oh Jun Kwon

Ja Un Ku

Jin Uk Jeon

Seung Yeon Yang

An image sensing device includes an optical emitter outputting a modulated signal to a target object; an optical receiver generating, according to a phase control signal, pixel signals corresponding to a reflected signal from the target object; an image processor calculating a depth phase based on the pixel signals and compensating for the depth phase according to a phase offset signal to output a depth information signal; a driving control circuit generating the phase control signal corresponding to a phase of the modulated signal and setting an initial phase difference between the modulated signal and the phase control signal according to the phase offset signal; and an offset calculating circuit setting a plurality of reference phases, selecting a reference phase closest to the depth phase among the set reference phases and generating the phase offset signal representing a phase difference between the selected reference phase and the depth phase.

Image sensing device and operating method thereof

An analog-to-digital converting circuit includes: an analog-to-digital converter suitable for performing an analog-to-digital conversion on pixel signals of a plurality of pixels provided in a pixel array; a ramp signal generator suitable for providing a ramp signal to the analog-to-digital converter; and an auto-zero controller suitable for providing a reference voltage to the analog-to-digital converter to perform an auto-zeroing operation by using a row pixel for which a readout operation is performed by the analog-to-digital converter.

Analog-to-digital converting circuit, image sensing device and operation method thereof

An analog-to-digital converter circuit includes: a first operation amplifier suitable for comparing a ramp voltage and a voltage to be converted so as to produce an amplification result and outputting the amplification result; a second operation amplifier suitable for comparing the amplification result transferred to a first input terminal with a reference voltage transferred to a second input terminal so as to produce a comparison result and outputting the comparison result; a leakage current measurer suitable for measuring a leakage current to the first input terminal; and a leakage current generator suitable for causing a current of the same amount as that of the leakage current measured by the leakage current measurer to flow to the second input terminal.

Analog-to-digital converter circuit and image sensor

Disclosed is an image sensing device and an operating method thereof, and the image sensing device may include a light detection circuit coupled between a low voltage terminal and a first node, a first transmission circuit coupled between the first node and a second node, a storage circuit coupled between the second node and a third node, a first coupling circuit coupled between the third node and a high voltage terminal, a second transmission circuit coupled between the third node and the first node, and a second coupling circuit coupled between the second node and the high voltage terminal.

An image sensor includes: first lines transferring a first clock having the same phase as that of modulated light in a first phase and a third clock having a phase difference of a &#xbd; cycle from the phase of the modulated light in a second phase; second lines transferring the third clock in the first phase and the first clock in the second phase; third lines transferring a second clock having a phase difference of a &#xbc; cycle from the phase of the modulated light in the first phase and a fourth clock having a phase difference of a &#xbe; cycle from the phase of the modulated light in the second phase; fourth lines transferring the fourth clock in the first phase and the second clock in the second phase; and a pixel array including first pixels and second pixels that are alternately arranged in row and column directions.

Image sensor

A cooling water flow control device of a cooling system for a vehicle can shorten a warm-up time of a cooling water being supplied to an exhaust gas recirculation (EGR) cooler. The cooling water flow control device includes: the EGR cooler that cools an exhaust gas supplied to an intake system of an engine using cooling water and includes an EGR cooler outlet through which the cooling water is discharged; a water pump to circulate the cooling water to the EGR cooler and the engine at an engine startup; and a direct flow path connected to a vent hole formed in the engine to guide the cooling water from the vent hole to a downstream side of an EGR cooler outlet.

Cooling water flow control device of cooling system for vehicle

A water jacket of an engine is capable of implementing cooling water flows as both a cross flow and a parallel flow. The water jacket includes a head water jacket formed in a cylinder head of an engine; a block water jacket formed in a cylinder block of the engine; and a variable partition wall which is configured to induce a cross flow of cooling water in a space between positions of cylinders in the head water jacket, where the variable partition wall has a shape configured to be varied according to an engine operating condition, and the variable partition wall allows the cooling water to flow in a selected one of the cross flow and a parallel flow according to the shape which is varied in head water jacket.

Water jacket of engine

A method for controlling a vehicle cooling system is provided. The system includes an engine, an EGR cooler, an oil cooler, a heater, a radiator, and a controller. The engine, the EGR cooler, the oil cooler, the heater, and the radiator are respectively connected through a coolant line and coolant circulates through the engine, the EGR cooler, the oil cooler, the heater, and the radiator by operation of a water pump. The controller receives the coolant from the engine and operates a control valve that is connected with the oil cooler, the heater, and the radiator. The method includes sensing driving conditions and operating the control valve when a warm mode is required to increase the temperature within the vehicle based on the sensed driving conditions. The control valve is operated based on first to third modes depending on a coolant temperature.

Control method of cooling system for vehicle

A method for controlling a cooling system for a vehicle is provided. The system includes an engine, an EGR cooler, an oil cooler, a heater, a radiator, and a controller. The engine, the EGR cooler, the oil cooler, the heater, and the radiator are respectively connected through a coolant line and coolant circulates through the engine, the EGR cooler, the oil cooler, the heater, and the radiator by operation of a water pump. The controller receives the coolant from the engine and operates a control valve connected with the oil cooler, the heater, and the radiator. The method includes: sensing driving conditions and operating the control valve when a cooling mode is required to decrease the temperature within the vehicle based on the sensed driving conditions. The control valve is operated based on modes controlled depending on a coolant temperature, and among the plurality of modes, one is iteratively performed.

A turbocharger fastening structure may include an exhaust manifold integrated head having two exhaust ports; a fastening unit located on one end portion of a turbocharger to be fastened to the exhaust manifold integrated head; and an intake hole formed on the fastening unit, corresponding to the two exhaust ports of the exhaust manifold integrated head, and having a rib, the intake hole allowing exhaust gas to enter the turbocharger through the exhaust manifold integrated head.

Turbocharger fastening structure

A method for controlling a cooling system for a vehicle is provided. The system includes an engine, an EGR cooler, an oil cooler, a heater, a radiator, and a controller. The engine, the EGR cooler, the oil cooler, the heater, and the radiator are respectively connected through a coolant line and coolant circulates through the engine, the EGR cooler, the oil cooler, the heater, and the radiator by operation of a water pump. The controller receives the coolant from the engine and operates a control valve connected with the oil cooler, the heater, and the radiator. The method includes sensing driving conditions and operating the control valve when a warm mode is required to rapidly warm up the engine based on the sensed driving conditions. The control valve is operated based on modes that are controlled depending on a coolant temperature, and among modes, one is iteratively performed.

The present disclosure relates to a valve opening control apparatus and method of a gasoline EGR system. The valve opening control apparatus includes a gasoline engine generating driving power through combustion, an intake line through which an intake gas flows into a combustion chamber of the gasoline engine, an exhaust line through which an exhaust gas is discharged from the combustion chamber, a recirculation line branched off from the exhaust line and connected to the intake line, an EGR cooler, positioned in the recirculation line, cooling the exhaust gas flowing in the intake line, an EGR valve configured to control an amount of the exhaust gas flowing in the intake line, an emergency (EM) filter positioned in one end of the EGR valve, and a flow rate regulator configured to control an opening amount of the EGR valve according to a clogging state of the EM filter.

Valve opening control apparatus and method of gasoline EGR system

An engine system may include: an engine including a plurality of combustion chambers generating driving torque by burning fuel; an intake line through which fresh air flows into the combustion chambers; an intake manifold for distributing fresh air supplied by the intake line to the combustion chambers; an exhaust line in which exhaust gas exhausted from the combustion chambers flows; a recirculation line branched from the exhaust line and joined to the intake line; a connection pipe disposed at a portion where the recirculation line and the intake line are joined; and a water line connecting the connection pipe and the intake manifold. Condensate water generated at the connection pipe flows in the water line.

Engine system

An apparatus for cooling a vehicle engine includes a combustion chamber having a reciprocating piston, a water jacket for flowing cooling water to cool the combustion chamber, and a cylinder block forming a structure of the engine, wherein the cylinder block is equipped with a cylinder block body that includes the combustion chamber, and wherein the cylinder block includes a plurality of EGR coolers that exchange heat with the cooling water supplied to the combustion chamber.

Apparatus for cooling vehicle engine

An apparatus for retrieving exhaust heat of an engine, may include the engine including a plurality of combustion chambers, an intake line, an exhaust line, a turbocharger including, a turbine provided on the exhaust line, and a compressor provided on the intake line and compressing external air, an exhaust gas recirculation (EGR) apparatus including an EGR line branched from the exhaust line at a rear end of the turbocharger and merged with the intake line, an EGR cooler disposed on the EGR line, and an EGR valve to adjust an amount of re-circulated exhaust gas, an intercooler to cool the intake gas introduced through the intake line, an intercooler cooling line passing through a radiator and the intercooler, an EGR cooling line passing through the radiator and the EGR cooler, an EGR exhaust line, and an exhaust adjusting valve disposed on the EGR exhaust line.

Growing community of inventors

Ansan-si, South Korea

Han Sang Kim