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    Engine exhaust system and control system for an engine exhaust system
    2.
    发明授权
    Engine exhaust system and control system for an engine exhaust system 有权

    公开(公告)号：US10443465B2

    公开(公告)日：2019-10-15

    申请号：US15327140

    申请日：2015-08-12

    Applicant: Jaguar Land Rover Limited

    Inventor： Neil Bevan ,  Michael Davies ,  Andrew Lilley ,  Robert Bending

    IPC: F01N3/20 ,  F01N3/08 ,  F01N3/10 ,  F01N9/00 ,  F01N3/021 ,  F01N3/035 ,  F01N13/00

    Abstract: An exhaust system for an internal combustion engine (28) for controlling the release of undesirable emissions from the engine comprises an exhaust pipe (32) for receiving an exhaust flow from the engine, an SCR catalyst (48) arranged in the exhaust flow and means (80) for determining the temperature of the SCR catalyst. A NOx absorber (38), such as a diesel oxidation and NOx absorber catalyst (DONAC), is located in the exhaust flow at a position upstream of the SCR catalyst (48) for absorbing and releasing NOx contained in the exhaust flow. Means is provided for controlling the NOx absorber (38) so as to control the release of NOx to the SCR catalyst (48) in dependence on the temperature of the SCR catalyst, thereby to effect active management of release of NOx from the DONAC (38).

    EXHAUST TREATMENT APPARATUS AND METHOD
    5.
    发明申请
    EXHAUST TREATMENT APPARATUS AND METHOD 有权
    排气处理装置及方法

    公开(公告)号：US20160230629A1

    公开(公告)日：2016-08-11

    申请号：US15021067

    申请日：2014-09-17

    Applicant: JAGUAR LAND ROVER LIMITED

    Inventor： Michael Davies

    IPC: F01N3/20 ,  F02B37/00 ,  F01N3/035 ,  F02B1/12 ,  F01N13/10 ,  F01N3/08

    CPC classification number: F01N3/20 ,  F01N3/035 ,  F01N3/0842 ,  F01N3/10 ,  F01N3/106 ,  F01N3/2066 ,  F01N3/2825 ,  F01N13/10 ,  F01N2610/02 ,  F01N2610/14 ,  F02B1/12 ,  F02B37/00 ,  Y02A50/2325 ,  Y02T10/144 ,  Y02T10/22 ,  Y02T10/24

    Abstract: The present invention relates to an exhaust treatment apparatus (1) for an internal combustion engine (5). The apparatus includes a catalyst chamber (15) containing a catalyst (35). One or more exhaust gas inlets (11 A-D) are provided for supplying exhaust gases from the internal combustion engine (5) to the catalyst chamber (C). An exhaust gas outlet (21) for supplying exhaust gases from the catalyst chamber to a turbocharger (25). An injection nozzle (19) is provided for introducing a reductant (23) into the exhaust gases between the catalyst (15) and the turbocharger (25). The reductant (23) and the exhaust gases can undergo mixing as they pass through the turbocharger (25). The catalyst (15) can have a three-dimensional open structure to facilitate the flow of exhaust gases. The invention also relates to a method of treating exhaust gases from an internal combustion engine (5).

    Abstract translation: 本发明涉及一种用于内燃机（5）的排气处理装置（1）。 该装置包括含有催化剂（35）的催化剂室（15）。 提供一个或多个排气入口（11A-D），用于将来自内燃机（5）的废气提供给催化剂室（C）。 一种用于将废气从催化剂室供给到涡轮增压器（25）的废气出口（21）。 提供了一种用于将还原剂（23）引入到催化剂（15）和涡轮增压器（25）之间的废气中的喷嘴（19）。 还原剂（23）和废气在通过涡轮增压器（25）时可以进行混合。 催化剂（15）可以具有三维开放结构以便于排气的流动。 本发明还涉及一种处理来自内燃机（5）的废气的方法。

    Reactivation control apparatus and method
    7.
    发明授权
    Reactivation control apparatus and method 有权

    公开(公告)号：US11193408B2

    公开(公告)日：2021-12-07

    申请号：US16092854

    申请日：2017-06-02

    Applicant: Jaguar Land Rover Limited

    Inventor： Robert Bending ,  Michael Davies

    IPC: F02D41/02 ,  F01N3/08 ,  B01D53/94

    Abstract: The present disclosure relates to a control unit (8) for controlling reactivation of a lean NOx trap (LNT) disposed in an exhaust system (3) connected to an internal combustion engine (2), the control unit (8). The control unit (8) has at least one processor (11) configured to generate a reactivate flag (RF) for the LNT (6). A memory device (12) having instructions stored therein is coupled to the at least one processor (11). The at least one processor (11) is configured to generate the reactivate flag (RF) when the exhaust gas supplied to the LNT (6) is lean and an LNT temperature (TLNT) is greater than or equal to a predefined LNT temperature threshold (T1). The present disclosure also relates to a method of controlling reactivation of the LNT (6). The present disclosure also relates to a vehicle comprising reactivation control apparatus.

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