Hyundai Motor Company

Kia Motors Corporation

Samsung Electronics Co., Ltd.

Postech Academy-industry Foundation

Lg Chem, Ltd

Kia Corporation

Korea Institute of Science and Technology

Hanmi Science Co., Ltd.

Korea Research Institute of Chemical Technology

Hyundai Kefico Corporation

Heesung Catalysts Corporation

Hexacheck Inc.

Korea Advanced Institute of Science and Technology

Korea University Research and Business Foundation

Hanmi Pharm. Co., Ltd.

Chang Hwan Kim

Pyung Soon Kim

ChangHo Jung

Nahm Roh Joo

Se Chang Kwon

Young Jin Kim

In Young Choi

Hyokyung Lee

Suk Bong Hong

Taekyung Ryu

Gwan Sun Lee

Minseung Chun

In-Sik Nam

Donghui Jo

Gi Tae Park

Young Min Kim

Jong Min Lee

Sung Youb Jung

Jin Woo Choung

Sang Young Jeon

Seong So Kim

Jungi Jang

Seongmi Cho

Hyungjin Lee

Jun Ho Choi

Seung-Jong Kim

Chan Yul Jung

Byung Sun Lee

Ho Dong Kim

Chun Yong Kang

SungJae Kim

SooMin Lee

Young San Yoo

Dohyung Kim

Seung Ho Oh

Sung Kap Hong

In Deok Hwang

Jin Hee Lee

Sung H Hong

Jin Sung Kim

Sung Kil Hong

Seung Yong Lee

Jungoh Huh

Jin Seong Kim

Yong Ki Park

Tae Yoon Park

Kongkyeom Kim

Hyunjoo Lee

Jungkyu Choi

Dongheon Kim

Bum Jae You

Young Jin Choi

Dae Hae Song

Sang Hun Lee

Na Young Kang

Yun Hwan Kim

Hwakyung Kim

Young-Sik Lee

Eun Ju Choi

Iljeong Heo

Hyun Ji Lee

Ji Wan Son

Chang Ho Jung

Seung Chul Na

Dong Jin Eun

Eunseok Kim

Wooyung Jung

Young Woo You

Changhwan Shin

Dong Sik Kim

Tae Woong Lim

Mi Ji Lee

Seong Hee Park

Yong Hwan Oh

Jaemo Sung

Heung Kyo Seo

Chulho Yu

Dalyoung Yoon

Do Ik Kim

Beom-Sik Kim

Sang Hyuk Koh

Chi Hoon Lee

Yu Jin Lee

Kwan Hee Lee

Jeong Hwan Lee

Eun-Hee Jang

Hwiyoon Noh

Jung Eui Seo

Yong Sul Kim

Hyeong-jin Jeon

In-sik Nam

Dac Hae Song

Jung San Cho

Seung Chui Na

Soo Young Kwak

Yong Bin Yoon

Seung Jae Yi

La Young Choi

Hojin Jeong

Junemin Bae

A compressor control apparatus and method includes: a sensor configured to detect air conditioner operation state information necessary to control engagement and disengagement of a clutch of an air conditioner compressor; an electromagnetic coil in the clutch of the air conditioner compressor configured to perform clutch engagement upon receiving battery current; a microcomputer configured to determine whether the current air conditioner operation state satisfies a clutch engagement allowance condition or a clutch disengagement condition based on the air conditioner operation state information detected by the sensor and to output an operation signal based on the result of determination; and a switch configured to be turned on or off according to the operation signal output by the microcomputer and to control supply of the battery current to the electromagnetic coil such that clutch engagement or clutch disengagement is performed.

Compressor control apparatus and method

A storage device and an operating method thereof are provided. Provided is a storage device including, a memory cell, and a storage controller which includes a flash controller that performs a data operation on the memory cell, and a processor that executes an RTOS (Real Time Operating System) for controlling the flash controller, wherein the RTOS communicates with the storage controller and operates in a normal operation mode, the RTOS generates a snapshot data in a debug mode when a defect occurs, the RTOS switches to the debug mode through context switching in the normal operation mode, and the RTOS operates in the normal operation mode, when an urgent work occurs, while performing an operation of generating the snapshot data in the debug mode.

Storage device and operating method thereof

A portable complex sensor device for measuring multiple items of biometric information, according to the present invention, comprises: a plurality of electrodes for receiving the biometric information; a plurality of biometric information measuring circuits for measuring the biometric information received from the plurality of electrodes; a plurality of current sensors which are always supplied with power so as to sense electric current when an object to be measured contacts the electrodes; a wireless communication means for transmitting and receiving data to and from a smart phone; and a microcontroller for controlling the power supply of a battery by being operated in a sleep mode or an active mode on the basis of whether the current sensors have sensed the electric current.

Portable complex sensor device for measuring multiple items of biometric information, and measurement method

Disclosed is a method of preparing a high-performance zeolite catalyst for reducing nitrogen oxide emissions, and more particularly a technique for preparing a zeolite catalyst, suitable for use in effectively removing nitrogen oxide (NOx), among exhaust gases emitted from vehicle internal combustion engines through selective catalytic reduction (SCR), thereby exhibiting high efficiency, high chemical stability and high thermal durability upon SCR using the prepared catalyst.

High-performance zeolite for reducing nitrogen oxide emissions, method of preparing same and catalyst using same

A hydrocarbon adsorbent includes a core-shell particle including a core and a shell surrounding the core, wherein the core includes ion-exchanged zeolite that is ion-exchanged with a metal other than silicon (Si) and aluminum (Al) and the shell includes a mesoporous metal oxide.

Hydrocarbon adsorbent

The present invention relates to a method for preparing ZSM-5 zeolite. The present invention can provide a method for preparing ZSM-5 zeolite comprising the steps of: preparing a first solution in a solution state by heating a mixture comprising a silica source, an alumina source, a neutralizing agent and a crystalline ZSM-5 nucleus; preparing a reaction mother liquid by mixing a second solution comprising salts into the first solution; and continuously crystallizing by continuously supplying the reaction mother liquid to a hydrothermal synthesis reactor, wherein formula [1] below is satisfied.0.20&#x2264;&#x2264;0.40&#x2003;&#x2003;Formula [1]

Method for preparing ZSM-5 zeolite

A vehicle exhaust gas purification system and a control method thereof that may effectively remove nitrogen oxides in an exhaust gas even in a cold state, which is the initial stage of an engine starting, is disclosed. A control method of an exhaust gas purification system of a vehicle may include: a step of performing a rich control for controlling a concentration of non-combusted fuel contained in the exhaust gas flowing into the housing to be a rich fuel directly after the starting of the engine; a step of performing a lean control for controlling the concentration of the non-combusted fuel contained in the exhaust gas flowing into the housing to be a lean fuel; a step of determining whether a temperature of the exhaust gas flowing into the housing is a predetermined temperature or more; and a step of performing a normal control for controlling the concentration of the non-combusted fuel contained in the exhaust gas flowing into the housing so that a lean fuel and a rich fuel are periodically repeated with a regular interval.

Exhaust gas purification system for vehicle

An after treatment method is disclosed. The after treatment method may include: operating an engine at a lean air/fuel ratio; calculating an amount of NHstored in an SCR catalyst; calculating an amount of NOx which will flow into the SCR catalyst; determining whether conversion to a rich air/fuel ratio is desired; calculating, when the conversion to the rich air/fuel ratio is desired, a rich duration for which the rich air/fuel ratio is maintained and a target air/fuel ratio; and operating the engine at the target air/fuel ratio for the rich duration.

Co clean-up catalyst, after treatment system and after treatment method

A catalyst for removing nitrogen oxides, and the catalyst for removing the nitrogen oxides includes a first catalyst having a component including Pt, Ba, and Ce supported on a first support, and a second catalyst physically mixed with the first catalyst and having a component including Cu and Ce supported on a second support.

Catalyst for removing nitrogen oxides

The present disclosures relate to a catalyst for removing a nitrogen oxide and a manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes: a first catalyst that includes a zeolite support containing copper and having a first framework; and a second catalyst that is physically mixed with the first catalyst and includes a zeolite support containing copper and having a second framework different from the first framework.

Catalyst and manufacturing method thereof

An exhaust gas purification system for vehicle includes: a housing disposed on an exhaust pipe to receive a exhaust gas discharged from an engine and to exhaust the exhaust gas passed rearward; a front end catalyst disposed in the housing to purify the exhaust gas flowing into the housing through a front end of the housing; a rear end catalyst disposed in the housing to purify the exhaust gas passing through the front end catalyst before the exhaust gas flows out to a rear end of the housing; and a controller connected to the exhaust pipe at a front end of the housing to control a concentration of unburned fuel contained in the exhaust gas flowing into the housing.

Exhaust gas purification system for vehicle and method of controlling the same

An after treatment system is disclosed. The after treatment system may include a three-way catalyst (TWC), a selective catalytic reduction (SCR) catalyst, and a CO clean-up catalyst (CUC) on an exhaust pipe through which an exhaust gas flows. The CUC may include a zeolite in which Cu and Fe are ion-exchanged and CeOin which Pt is supported, wherein a weight ratio of the CeOto a total weight of the CUC is 30-70 wt % such that the CUC purifies NHat a lean air/fuel ratio and purifies NHduring a delay time at a rich air/fuel ratio.

An after treatment system for a lean-burn engine is disclosed. The after treatment system is sequentially equipped with an ammonia production catalyst module, a selective catalytic reduction (SCR) catalyst, and a CO clean-up catalyst (CUC) on an exhaust pipe through which an exhaust gas flows and which is connected to a lean-burn engine. An exhaust flow changer is disposed between the ammonia production catalyst module and the SCR catalyst. The exhaust flow changer changes flow of an exhaust gas discharged from the ammonia production catalyst module according to a temperature of the SCR catalyst.

After treatment system and after treatment method for lean-burn engine

CO clean-up catalyst, after treatment system and after treatment method

Growing community of inventors

Seongnam-si, South Korea

Chang Hwan Kim