中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

67 records (took 0.017 seconds)

    Catalyst oxygen purge control apparatus and method
    1.
    发明授权
    Catalyst oxygen purge control apparatus and method 有权

    公开(公告)号：US10760461B2

    公开(公告)日：2020-09-01

    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 ,  F01N11/00 ,  F01N3/10 ,  F01N3/20

    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.

    System and method of controlling engine provided with dual continuously variable valve duration device
    2.
    发明授权
    System and method of controlling engine provided with dual continuously variable valve duration device 有权

    公开(公告)号：US10753291B1

    公开(公告)日：2020-08-25

    申请号：US16539400

    申请日：2019-08-13

    Applicant: Hyundai Motor Company ,  Kia Motors Corporation

    Inventor： Jin Woo Choung ,  Kiyoung Kwon

    IPC: F02D37/02 ,  F01N9/00 ,  F01N3/10 ,  F01N3/18 ,  F02D9/08

    Abstract: A system of controlling an engine provided with a dual continuously variable valve duration device may include the engine including a combustion chamber, an intake valve, an ignition switch provided in the combustion chamber, and an exhaust valve, the CVVD provided to adjust an intake duration of the intake valve and an exhaust duration of the exhaust valve, a warm-up catalytic converter (WCC) including a three-way catalyst (TWC) for purifying hydrocarbons, carbon monoxide, nitrogen oxides contained in the exhaust gas downstream of the engine, a Hydrocarbon (HC) trap disposed downstream of the warm-up catalytic converter for adsorbing and removing the hydrocarbons contained in the exhaust gas, an electrically heated catalyst disposed downstream of the HC trap and provided with a heating device, a three-way catalyst (TWC) disposed downstream of the electrically heated catalyst for purifying hydrocarbons, carbon monoxide, and nitrogen oxides contained in the exhaust gas, and a controller for adjusting an ignition timing of the ignition switch, the intake duration and the exhaust duration based on a driving condition of the vehicle.

    Exhaust gas purification apparatus
    4.
    发明授权
    Exhaust gas purification apparatus 有权

    公开(公告)号：US10125650B1

    公开(公告)日：2018-11-13

    申请号：US15836204

    申请日：2017-12-08

    Applicant: Hyundai Motor Company ,  Kia Motors Corporation

    Inventor： Jin Woo Choung

    IPC: F01N3/28 ,  F01N3/10 ,  B01D53/94

    Abstract: An engine exhaust gas purification apparatus includes a three way catalyst disposed on an exhaust line, and which transforms harmful materials in exhaust gas to harmless materials by an oxidation-reduction reaction. The three way catalyst includes a first catalyst layer, a second catalyst layer, and a third catalyst layer laminated from an upper portion on a cordierite carrier, and the first catalyst layer comprises at least one platinum group metal and an oxygen non-storage material.

    System and method of controlling engine provided with dual continuously variable valve duration device
    6.
    发明授权
    System and method of controlling engine provided with dual continuously variable valve duration device 有权

    公开(公告)号：US10823090B2

    公开(公告)日：2020-11-03

    申请号：US16511900

    申请日：2019-07-15

    Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

    Inventor： Jin Woo Choung ,  Kiyoung Kwon

    IPC: F02D13/02 ,  F02P5/04 ,  F01N3/10 ,  F02P5/15

    Abstract: A system of controlling an engine includes: an engine including a combustion chamber, an intake valve, an ignition switch, and an exhaust valve; a dual continuously variable valve duration device to adjust an intake duration of the intake valve and an exhaust duration of the exhaust valve; and a controller for adjusting an ignition timing of the ignition switch, the intake duration, and the exhaust duration based on a driving condition of the vehicle. In particular, until the temperature of the exhaust gas reaches a predetermined temperature after the engine starts, the controller sets the ignition timing to an ignition timing within a predetermined ignition timing range, sets the intake duration of the intake valve to an intake duration within a predetermined intake duration range, and increases the exhaust duration of the exhaust valve to a limit exhaust duration according to the set intake duration.

Patent Agency Ranking