公开(公告)号：US20210207513A1

公开(公告)日：2021-07-08

申请号：US17207133

申请日：2021-03-19

Applicant: HYUNDAI MOTOR COMPANY ,  KIA Motors Corporation

Inventor： Nahm Roh JOO ,  Chang Hwan KIM ,  ChangHo JUNG

IPC: F01N3/10 ,  F01N11/00 ,  F01N3/20 ,  F01N3/035 ,  B01D53/94 ,  B01J23/63

Abstract: 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 NH3 stored 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.

公开(公告)号：US20210106979A1

公开(公告)日：2021-04-15

申请号：US16828063

申请日：2020-03-24

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  KOREA RESEARCH INSTITUTE OF CHEMICAL TECHNOLOGY

Inventor： Dalyoung YOON ,  Chang Hwan KIM ,  Tae Sun CHANG ,  Iljeong HEO ,  Sung Hun LEE ,  Young Woo YOU

IPC: B01J23/46 ,  B01J21/06 ,  B01J23/10 ,  B01J37/02 ,  B01J37/08 ,  B01D53/94

Abstract: A manufacturing method thereof, and the catalyst for removing the nitrogen oxide includes a powdery gamma alumina support on which at least one selected from a group of titanium (Ti), lanthanum (La), or zirconium (Zr) is supported, wherein the support may be further supported with iridium (Ir) and ruthenium (Ru).

公开(公告)号：US20200171466A1

公开(公告)日：2020-06-04

申请号：US16700147

申请日：2019-12-02

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Pyung Soon KIM ,  Chang Hwan KIM ,  Hyunjoo LEE ,  Beom-Sik KIM ,  Junemin BAE ,  Hojin JEONG

IPC: B01J23/83 ,  B01D53/94 ,  B01J23/72 ,  B01J23/42 ,  B01J37/04

Abstract: A catalyst for removing nitrogen includes an LNT catalyst and a Cu/CeO2 catalyst physically mixed with the LNT catalyst.

公开(公告)号：US20190226377A1

公开(公告)日：2019-07-25

申请号：US16371639

申请日：2019-04-01

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Hyokyung LEE ,  Chang Hwan KIM

IPC: F01N3/20 ,  F01N3/035 ,  F01N3/08 ,  F01N13/00 ,  F01N9/00 ,  B01D53/94

Abstract: An exhaust system according to an exemplary embodiment of the present invention includes a nitrogen oxide storing catalytic collector connected to an exhaust line and collecting a nitrogen oxide included an exhaust gas in a first temperature or less; a first selective catalytic reducer disposed at a rear portion of the nitrogen oxide storing catalytic collector and reducing a nitrogen oxide included in the exhaust gas; and a first urea injector disposed at the front side of the nitrogen oxide storing catalytic collector and supplying a urea solution when a temperature of the nitrogen oxide exceeds the first temperature.

公开(公告)号：US20230347736A1

公开(公告)日：2023-11-02

申请号：US18219039

申请日：2023-07-06

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Young Sun NAM ,  Chang Hee CHO ,  Chang Hwan KIM ,  In Kyu LEE ,  Jae Ho LEE ,  Doo Hyun KIM ,  Sung Hoon YU ,  Lee Hyoung CHO ,  Nam Kwon LEE ,  Young Eun KIM ,  Jong Wha KIM ,  Ye Chan JEONG ,  Beom Jun PARK ,  Hyun KIM ,  Sang Joon KIM

IPC: B60K26/04 ,  B60K26/02

CPC classification number: B60K26/04 ,  B60K26/02 ,  B60K2026/046

Abstract: A torque control apparatus may include an input device, a driving device, a memory, and a controller. For example, the torque control apparatus may be configured to obtain an input related to acceleration of the host vehicle from a user by use of the input device, to determine user requirement torque based on the input, to generate a first requirement torque to be input to the driving device for the acceleration of the host vehicle based on at least part of the user requirement torque, to generate an estimation rate value through the first requirement torque by use of a pitch rate estimation model, and to generate a second requirement torque by use of at least one of the estimation rate value, a requirement rate value, the user requirement torque, or a combination of the estimation rate value, the requirement rate value, and the user requirement torque.

公开(公告)号：US20210069685A1

公开(公告)日：2021-03-11

申请号：US17009235

申请日：2020-09-01

Applicant: HYUNDAI MOTOR COMPANY ,  KIA Motors Coporation ,  HEESUNG CATALYSTS CORPORATION

Inventor： Pyung Soon KIM ,  Young Jin KIM ,  Chang Hwan KIM ,  Seung Chul NA ,  Seung Ho OH ,  Young San YOO ,  Ho Dong KIM

IPC: B01J29/63 ,  B01J35/02 ,  B01J35/10 ,  B01J35/04 ,  B01J37/00 ,  B01J37/02 ,  B01J37/30 ,  B01J37/04 ,  B01J37/10 ,  B01D53/94

Abstract: 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.

公开(公告)号：US20170342884A1

公开(公告)日：2017-11-30

申请号：US15360246

申请日：2016-11-23

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Hyokyung LEE ,  Chang Hwan KIM

IPC: F01N3/20 ,  F01N13/00 ,  F01N11/00 ,  B01D53/94 ,  F01N3/08

CPC classification number: F01N3/208 ,  B01D53/9418 ,  B01D53/9495 ,  B01D2255/2073 ,  B01D2255/20738 ,  B01D2255/20761 ,  B01D2255/50 ,  B01D2255/91 ,  B01D2258/012 ,  F01N3/035 ,  F01N3/0814 ,  F01N3/0842 ,  F01N9/00 ,  F01N13/009 ,  F01N13/0093 ,  F01N2370/00 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2900/1411 ,  F01N2900/1602 ,  F01N2900/1614 ,  Y02T10/24 ,  Y02T10/47

Abstract: An exhaust system according to an exemplary embodiment of the present invention includes a nitrogen oxide storing catalytic collector connected to an exhaust line and collecting a nitrogen oxide included an exhaust gas in a first temperature or less; a first selective catalytic reducer disposed at a rear portion of the nitrogen oxide storing catalytic collector and reducing a nitrogen oxide included in the exhaust gas; and a first urea injector disposed at the front side of the nitrogen oxide storing catalytic collector and supplying a urea solution when a temperature of the nitrogen oxide exceeds the first temperature.

公开(公告)号：US20170198618A1

公开(公告)日：2017-07-13

申请号：US15341059

申请日：2016-11-02

Applicant: HYUNDAI MOTOR COMPANY

Inventor： Pyung Soon KIM ,  Chang Hwan KIM ,  Chun Yong KANG ,  ChangHo JUNG

IPC: F01N3/035 ,  B01D53/86 ,  B01D53/88 ,  B01D53/94

CPC classification number: F01N3/035 ,  B01D53/8643 ,  B01D53/885 ,  B01D53/94 ,  B01D2255/9155 ,  F01N3/0222 ,  F01N3/0224 ,  F01N2330/06 ,  F01N2330/08 ,  F01N2330/10 ,  F01N2330/12 ,  F01N2330/22

Abstract: A catalyzed particulate filter includes at least one inflow channel including one end where a fluid inflows and another end that is blocked and extends in a length direction, at least one outflow channel including one end that is blocked and another end where the fluid outflows, and the other end extends in the length direction, at least one porous wall defining a boundary between the inflow channel and the outflow channel neighboring each other and extending in the length direction, and a catalyzed supporting member disposed on an inside of the outflow channel, wherein the supporting member includes a plurality of balls.

公开(公告)号：US20210189940A1

公开(公告)日：2021-06-24

申请号：US17196316

申请日：2021-03-09

Applicant: Hyundai Motor Company ,  KIA Motors Corporation

Inventor： Hyokyung LEE ,  Chang Hwan KIM

IPC: F01N9/00 ,  F01N3/10 ,  F01N3/28 ,  F02D41/02 ,  F02D41/06 ,  F02D41/14

Abstract: 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.

公开(公告)号：US20200018206A1

公开(公告)日：2020-01-16

申请号：US16566619

申请日：2019-09-10

Applicant: Hyundai Motor Company ,  Hyundai Kefico Corporation ,  Kia Motors Corporation

Inventor： Jin Woo CHOUNG ,  Chang Hwan KIM ,  SungJae KIM ,  SooMin LEE

IPC: F01N3/08 ,  F01N3/20 ,  F01N3/10

Abstract: A catalyst oxygen purge control method may include a catalyst oxygen purge control method during a cold engine period of a catalyst oxygen purge control apparatus which includes a three way catalytic converter through which an exhaust gas combusted when air and fuel are mixed in a combustion chamber is exhausted and the exhaust gas passes, wherein the method includes determining whether a fuel cut condition of an injector which injects the fuel to the combustion chamber is satisfied, performing fuel cut of the injector when the fuel cut condition is satisfied, measuring an oxygen storage capacity of the three way catalyst, and adjusting an oxygen purge time based on the measured oxygen storage capacity.