Hyundai Motor Company

Kia Motors Corporation

Other

Kia Corporation

Hong Kil Baek

Seung Woo Lee

In Woong Lyo

Tae Won Lee

Bokyung Kim

Woong Pyo Hong

Su Jung Noh

Jin Woo Kwak

Kyong Hwa Song

Han Saem Lee

Jiyoun Seo

Gyung Bok Kim

Seung Jeong Oh

In Chang Chu

Byung Wook Kim

Kwang Hoon Choi

Ju Hun Lee

Jeong Hwa Cha

Jung Joo Lee

Woong Sik Kim

Ji Yeon Song

Hyunjin Kang

Se Hoon Park

Sang Yong Kim

Hyung Ick Kim

Bo Kyung Kim

Kwang Do Choi

Soo Ryun Jung

Hyung Seuk Ohn

Jeong Uk An

Jae Man Cho

Seung Gyun Ahn

Gang Il Kim

Tae Jun Kang

Kyung Hwa Song

Sung Moom Choi

Thomas Hollowell

Sung Hwan Oh

Kyeonghyeon Lee

Jae-Chun Kim

Jin Won Jung

Hyung Hwan Hyun

Song Mi Park

A hydrogen pressure maintenance system of a hydrogen fuel engine includes a hydrogen tank configured to store hydrogen, an injector configured to inject the hydrogen, a hydrogen internal combustion engine configured to operate using the hydrogen from the injector, a hydrogen pressure controller configured to supply the hydrogen to the injector by controlling a pressure of the hydrogen supplied from the hydrogen tank, a hydrogen pressure intensifier device configured to increase the pressure of the hydrogen and supply the hydrogen to the injector, a hydrogen pressure sensor configured to measure the pressure of the hydrogen and output a signal based on the measured pressure of the hydrogen, a hydrogen bypass valve configured to control the hydrogen to be supplied to the injector through the hydrogen pressure controller or to the injector through the hydrogen pressure intensifier device, and a controller configured to control the hydrogen bypass valve according to the signal from the hydrogen pressure sensor.

Hydrogen pressure maintaining system of hydrogen fuel engine and control method for the same

A cooling apparatus of a piston according to an exemplary embodiment of the present disclosure may include a piston configured to be formed with a cooling gallery, an inlet fluidly communicated with the cooling gallery, and an outlet fluidly communicated with the cooling gallery, therein, a first oil jet configured to inject cooling oil into the inlet, and a second oil jet configured to inject cooling oil into the outlet.

Cooling apparatus of piston and control method thereof

A thermoelectric generating system may include a base substrate configured to be installed at a side of a vehicle exhaust line part; and at least one thermoelectric module configured to be installed on a top surface of the base substrate, in which a side of the exhaust line part is provided with an opening communicating with an internal space of the exhaust line part, the base substrate is installed to seal the opening of the exhaust line part, and the base substrate is made of a thermal conductive material and a surface of the base substrate is formed with an insulating layer.

Thermoelectric generating system and vehicle exhaust manifold having the same

Disclosed are a manufacturing method for a porous thermal insulation coating layer, a porous thermal insulation coating layer with substantially reduced thermal conductivity and volumetric heat capacity and an internal combustion engine including the porous thermal insulation coating layer thereby having excellent durability.

Manufacturing method for porous thermal insulation coating layer, porous thermal insulation coating layer and internal combustion engine using the same

A reforming system may include an engine; an intake line connected to the engine; an exhaust line connected to the engine; a reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line and mixing the exhaust gas with fuel; a front end pressure sensor provided at the EGR line of the front end portion of the reformer and measuring pressure of the exhaust gas of the front end portion of the reformer; a rear end pressure sensor provided at the EGR line of the rear end portion of the reformer and measuring pressure of the exhaust gas of the rear end portion of the reformer; and a reforming controller configured for determining whether reforming continues on the basis of a pressure difference between the front end portion and the rear end portion of the reformer measured by the front end and the rear end sensors.

Reforming system and reformer malfunction diagnosis method using pressure sensor

A fuel injection control method includes measuring EGR (exhaust gas recirculation) rate through a CO2 sensor measuring the amount of CO2 entering the intake side of the engine, setting an optimum SCR (Steam to Carbon Ratio) value based on the measured EGR rate, calculating the amount of steam supplied to the engine based on the measured EGR rate, calculating an actual SCR value by the ratio of the steam amount and the carbon component of the fuel supplied to the engine, comparing the actual SCR value with the optimum SCR value, calculating the SCR difference value by subtracting the optimum SCR value from the actual SCR value if the actual SCR value is greater than the optimum SCR value, calculating an additional fuel amount to be added based on the SCR difference value, and injecting fuel to the fuel reformer based on the calculated additional fuel amount.

Fuel injection control method of fuel reformer and fuel reforming system

A fuel reforming system may include an engine combusting reformed gas to generate mechanical power; an intake line connected to the engine to supply reformed gas and air to the engine; an exhaust line connected to the engine to circulate exhaust gas exhausted from the engine; a fuel reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line, mixing the EGR gas passing through the EGR line with the fuel and reforming the fuel mixed in the EGR gas; and an EGR flow controller determining a target opening degree of a flow rate control valve according to engine running condition, whether or not in a reforming running condition, required amount of EGR gas along to running condition, and controlling opening degree of the flow rate control valve on a basis of the target opening degree.

Fuel reforming system and method of controlling flow rate of exhaust gas recirculation gas in a fuel reformer

A fuel reformer includes a housing. A mixing portion is provided in the housing, the mixing portion being a space for mixing fuel supplied from the outside with an EGR gas. A reforming catalyst portion is provided on a side opposite the mixing portion and is configured to reform the mixed fuel and the EGR gas in the mixing portion. A first heater is disposed around an outer periphery of the housing surrounding the mixing portion. A second heater is disposed around an outer periphery of the housing surrounding the reforming catalyst portion. The first and second heaters are configured to transmit thermal energy to the fuel reformer.

Fuel reforming system and method for controlling temperature of a fuel reformer

An exhaust manifold may include a main body provided with a plurality of branching passages communicating with a vehicle engine and provided with a single passage communicating with an exhaust canister, the branching passages merging with the single passage; and a coating layer coated on an internal surface of the main body forming the branching passages and the single passage, the coating layer including an aerogel.

Exhaust manifold and method of coating the same

Disclosed are a coating layer including pores for thermal insulation and a method of preparing the same. As such, the coating layer may secure low thermal conductivity, low volume heat capacity and improved durability, such that the coating layer can be applied to an internal combustion engine.

Porous thermal insulation coating layer and preparing method for the same

A thermoelectric generator system of an engine is provided and includes an insulating heat protective cover that is mounted within an engine. Additionally, a unit is disposed at an upper end of the heat protective cover to uniformly distribute heat energy to use the heat protective cover mounted at an upper end of an exhaust manifold of the engine to protect a wiring from exhaust heat. Accordingly, heat energy discarded from the exhaust manifold is absorbed to generate electricity using the waste heat discarded from the exhaust manifold without affecting the catalyst to improve the fuel efficiency of the internal combustion engine. Further, heat is transferred by conduction at a particular temperature or greater and heat is transferred by radiation and convection at a temperature less than the particular temperature to increase the efficiency.

Thermoelectric generator system of engine

A fuel reforming system includes an engine combusting reformed gas to generate mechanical power; an intake line connected with the engine to supply the reformed gas and air to the engine; an exhaust line connected with the engine to circulate exhaust gas exhausted from the engine; a fuel reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line, mixing the exhaust gas passing through the EGR line with fuel and reforming the fuel mixed with the exhaust gas; a water temperature controller (WTC) provided at the engine to control coolant cooling the engine; a radiator for radiating a portion of heat generated from the engine to atmosphere through the coolant; a temperature sensor provided at the EGR line at a front end of the fuel reformer and measuring temperature of the exhaust gas at the front end of the fuel reformer; a coolant passage provided to connect an exit of the engine, the fuel reformer, the radiator, and an entrance of the engine in series; and a coolant supply control valve for supplying the coolant into an inside of the fuel reformer according to engine driving condition and temperature of the exhaust gas.

Fuel reforming system and control method of coolant supply

A fuel reforming system for a vehicle intake and exhaust line that reforms fuel in a vehicle intake and exhaust line including an exhaust gas recirculation (EGR) apparatus that recirculates a portion of an exhaust gas of an engine and a recirculation line that transfers an exhaust gas that is recirculated by the exhaust gas recirculation apparatus to supply as an intake gas of the engine, may include a fuel reformer that mixes an exhaust gas that passes through the recirculation line with fuel and that reforms fuel that is mixed in the exhaust gas, wherein an insulation material is coated at a wall surface of the fuel reformer.

Fuel reforming system for vehicle intake and exhaust line

Disclosed are a composite particle and a method of manufacturing the same. The composite particle may have an appropriate level of particle diameter and may maintain a stable shape and internal porous structure when the composite particle is applied during a coating process at high temperature.

Porous ceramic composite particle and method for preparing the same

A fuel reforming system includes: an engine combusting reformed gas to generate mechanical power; an intake line connected to the engine to supply the reformed gas and air to the engine; an exhaust line connected to the engine to circulate the exhaust gas discharged from the engine; a fuel reformer provided at an exhaust gas recirculation (EGR) line diverging from the exhaust line; and a catalyst disposed at the exhaust line and purifying nitrogen oxide included in the exhaust gas at a front end of the fuel reformer. In particular, the fuel reformer mixes the fuel with the EGR gas which is a part of the exhaust gas and passes through the EGR line, and reforms the fuel mixed in the EGR gas.

Reforming system

Growing community of inventors

Seoul, South Korea

Hong Kil Baek