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11.发明申请公开(公告)号：US20210324775A1
公开(公告)日：2021-10-21
申请号：US17235684
申请日：2021-04-20
Applicant: Cummins Inc.
Inventor： Di Wang , Richard J. Ancimer , Michael J. Cunningham , Aleksey Yezerets , Jinyong Luo , Yadan Tang , Yuhui Zha
Abstract: Systems, apparatuses, and methods include predicting a sulfur exposure of one or more copper-zeolite catalysts deployed in an exhaust aftertreatment system; comparing the predicted sulfur exposure to a predefined sulfur exposure threshold; and responsive to the determination, heating the exhaust aftertreatment catalyst to a predefined heat treatment temperature for a predefined time period to desulfate the one or more copper-zeolite catalysts.
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公开(公告)号：US11060434B2
公开(公告)日：2021-07-13
申请号：US16460151
申请日：2019-07-02
Applicant: CUMMINS INC.
Inventor： John K. Heichelbech , John G. Buechler , Richard J. Ancimer , Thomas M. Yonushonis
Abstract: An aftertreatment system comprises a first passageway having a first temperature and a second passageway having a second temperature different than the first temperature. A turbine is disposed downstream from the first passageway and upstream from the second passageway. The turbine is in fluidic communication with the first passageway and the second passageway. The turbine is structured to receive an exhaust gas from the first passageway, generate energy using the exhaust gas flowing through the turbine and communicate the exhaust gas to the second passageway. The aftertreatment system also includes an insertion device structured to insert an exhaust reductant into the first passageway. A selective catalytic reduction system is configured to receive the exhaust gas from the second passageway and treat the exhaust gas. The first temperature can be higher than the second temperature.
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公开(公告)号：US09617883B2
公开(公告)日：2017-04-11
申请号：US15019604
申请日：2016-02-09
Applicant: Cummins Inc.
Inventor： Richard J. Ancimer
CPC classification number: F01N3/023 , F01N3/031 , F01N3/035 , F01N3/2053 , F01N3/2066 , F01N3/208 , F01N13/0097 , F01N13/011 , F01N2560/026 , F01N2610/146 , F01N2900/08 , F01N2900/1402 , F01N2900/1406 , F01N2900/1411 , F01N2900/1606 , Y02T10/24
Abstract: An apparatus is disclosed, including an exhaust conditions module structured to interpret a diesel particulate filter (DPF) delta pressure value, a flow balance correlation, a NOx input value, and an exhaust flow rate value. A flow determination module is structured to determine a flow imbalance value in response to the DPF delta pressure value, the flow balance correlation, and the exhaust flow rate value. A reductant determination module is structured to determine a first reductant injection command and a second reductant injection command in response to the flow imbalance value and the NOx input value.
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14.发明授权Systems and methods for NOx reduction and aftertreatment control using passive NOx adsorption 有权使用无源NOx吸附的NOx还原和后处理控制系统和方法公开(公告)号：US09512761B2
公开(公告)日：2016-12-06
申请号：US14453169
申请日：2014-08-06
Applicant: Cummins Inc.
Inventor： Richard J. Ancimer , Mert Geveci , Michael Haas , Alok Joshi , Krishna Kamasamudram
CPC classification number: F01N3/2066 , F01N3/035 , F01N3/103 , F01N3/106 , F01N3/2006 , F01N3/2033 , F01N13/009 , F01N2610/02 , Y02T10/24 , Y02T10/26
Abstract: Systems and methods for managing aftertreatment systems that include passive NOx adsorption devices and SCR catalyst elements are disclosed. Temperature generation devices upstream of the passive NOx adsorption devices facilitate control of the aftertreatment systems to improve fuel economy and NOx conversion efficiency.
Abstract translation: 公开了用于管理包括被动式NOx吸附装置和SCR催化剂元件的后处理系统的系统和方法。 无源NOx吸附装置上游的温度发生装置便于后处理系统的控制，以提高燃料经济性和NOx转化效率。
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15.发明申请公开(公告)号：US20150113947A1
公开(公告)日：2015-04-30
申请号：US14061957
申请日：2013-10-24
Applicant: Cummins Inc.
Inventor： Richard J. Ancimer , Vivek A. Sujan , Ashwin Vyas , Guoqiang Li , Fan Zeng
IPC: F01N3/20
CPC classification number: F01N3/021 , F01N3/106 , F01N3/2033 , F01N3/2066 , F01N9/00 , F01N2900/0411 , F01N2900/08 , F01N2900/1602 , F02D41/0055 , F02D41/025 , F02D2200/0802 , Y02T10/24 , Y02T10/26 , Y02T10/47
Abstract: An exhaust aftertreatment system includes an oxidation catalyst and a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an internal combustion engine. A stay warm thermal management strategy is employed after warm-up of the aftertreatment system is complete to maintain the aftertreatment system above a temperature providing a desired performance threshold of one or more components of the aftertreatment system, such as the oxidation catalyst or the SCR catalyst.
Abstract translation: 排气后处理系统包括设置在内燃机的排气流中的氧化催化剂和选择性催化还原（SCR）催化剂。 在后处理系统的预热完成之后，采用保温热管理策略，以将后处理系统保持在高于提供后处理系统的一个或多个组分的期望性能阈值的温度，例如氧化催化剂或SCR催化剂 。
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Patent Agency Ranking
公开(公告)号：US20240157277A1
公开(公告)日：2024-05-16
申请号：US18136220
申请日：2023-04-18
Applicant: Cummins Inc.
Inventor： Richard J. Ancimer , Joseph P. Chandraraj , David P. Genter , Brian K. Landes , Agneya Turlapati
IPC: B01D35/143 , B01D24/00 , B01D25/00
CPC classification number: B01D35/1435 , B01D24/008 , B01D25/006 , B01D25/007 , B01D2265/023 , B01D2265/027 , B01D2311/246
Abstract: A filtration system for a fuel cell hybrid propulsion system includes a first stage filter, a second stage filter positioned downstream of the first stage filter, and a third stage filter positioned downstream of the second stage filter and configured to be positioned upstream of a fuel cell system. The first stage filter has first pores with a first mean pore size. The second stage filter has second pores with a second mean pore size. The third stage filter has third pores with a third mean pore size. The second mean pore size is less than the first mean pore size. The third mean pore size is less than or equal to the second mean pore size. The first, second, and third stage filter are structured to filter an airflow prior to being received by the fuel cell system.
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公开(公告)号：US20230228234A1
公开(公告)日：2023-07-20
申请号：US18098768
申请日：2023-01-19
Applicant: CUMMINS INC.
Inventor： Richard J. Ancimer , Hui Xu
CPC classification number: F02M21/0248 , F02M21/0239 , F02M26/00 , F02M2026/001
Abstract: A fuel ejector assembly includes a nozzle structured to receive fuel from a fuel conduit and eject the fuel therethrough, and an exhaust gas recirculation (“EGR”) conduit structured to communicate a recirculated exhaust gas therethrough. A mixing portion is disposed downstream of the nozzle and the EGR conduit, the nozzle and the EGR conduit fluidly coupled to the mixing portion such that the mixing portion receives each of the fuel and the recirculated exhaust gas. A diffuser is disposed downstream of the mixing portion and is configured to be fluidly coupled to an engine to communicate a mixture of the fuel and the recirculated exhaust gas to the engine.
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公开(公告)号：US09228468B2
公开(公告)日：2016-01-05
申请号：US14172259
申请日：2014-02-04
Applicant: Cummins Inc.
Inventor： Aleksey Yezerets , Tamas Szailer , Krishna Kamasamudram , Neal W. Currier , Richard J. Ancimer
CPC classification number: F01N3/208 , F01N3/0253 , F01N3/035 , F01N3/106 , F01N3/2006 , F01N3/2066 , F01N13/009 , F01N2260/04 , F01N2550/02 , F01N2560/02 , F01N2570/18 , F01N2610/00 , F01N2900/0601 , F01N2900/08 , F01N2900/1402 , F01N2900/1404 , F01N2900/1602 , F01N2900/1621 , F02D41/027 , F02D41/405 , F02D2200/0802 , Y02T10/24
Abstract: Systems, methods and apparatus are disclosed for targeted regeneration of a catalyst device in an exhaust aftertreatment system of an internal combustion engine. The targeted regeneration can include interpreting, initiating, and/or completing a regeneration event for an SCR catalyst or other type of catalyst in response to a catalyst deactivation condition. A catalyst regeneration event includes at least one of exposing the catalyst to a sufficiently high temperature over a time period that removes contaminants from the catalyst and manipulation of the exhaust gas composition to initiate and/or accelerate removal of contaminants from the catalyst.
Abstract translation: 公开了用于内燃机的排气后处理系统中的催化剂装置的目标再生的系统，方法和装置。 目标再生可以包括解释，启动和/或完成SCR催化剂或其他类型的催化剂的响应于催化剂失活条件的再生事件。 催化剂再生事件包括在一段时间内将催化剂暴露于足够高的温度中的至少一种，其从催化剂中去除污染物并操纵废气组合物以引发和/或加速从催化剂中除去污染物。
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19.发明授权公开(公告)号：US09228460B2
公开(公告)日：2016-01-05
申请号：US14061957
申请日：2013-10-24
Applicant: Cummins Inc.
Inventor： Richard J. Ancimer , Vivek A. Sujan , Ashwin Vyas , Guoqiang Li , Fan Zeng
CPC classification number: F01N3/021 , F01N3/106 , F01N3/2033 , F01N3/2066 , F01N9/00 , F01N2900/0411 , F01N2900/08 , F01N2900/1602 , F02D41/0055 , F02D41/025 , F02D2200/0802 , Y02T10/24 , Y02T10/26 , Y02T10/47
Abstract: An exhaust aftertreatment system includes an oxidation catalyst and a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an internal combustion engine. A stay warm thermal management strategy is employed after warm-up of the aftertreatment system is complete to maintain the aftertreatment system above a temperature providing a desired performance threshold of one or more components of the aftertreatment system, such as the oxidation catalyst or the SCR catalyst.
Abstract translation: 排气后处理系统包括设置在内燃机的排气流中的氧化催化剂和选择性催化还原（SCR）催化剂。 在后处理系统的预热完成之后，采用保温热管理策略，以将后处理系统保持在高于提供后处理系统的一个或多个组分的期望性能阈值的温度，例如氧化催化剂或SCR催化剂 。
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公开(公告)号：US10392994B2
公开(公告)日：2019-08-27
申请号：US15525540
申请日：2015-12-02
Applicant: Cummins, Inc.
Inventor： John K. Heichelbech , John G. Buechler , Richard J. Ancimer , Thomas M. Yonushonis
Abstract: An aftertreatment system comprises a first passageway having a first temperature and a second passageway having a second temperature different than the first temperature. A turbine is disposed downstream from the first passageway and upstream from the second passageway. The turbine is in fluidic communication with the first passageway and the second passageway. The turbine is structured to receive an exhaust gas from the first passageway, generate energy using the exhaust gas flowing through the turbine and communicate the exhaust gas to the second passageway. The aftertreatment system also includes an insertion device structured to insert an exhaust reductant into the first passageway. A selective catalytic reduction system is configured to receive the exhaust gas from the second passageway and treat the exhaust gas. The first temperature can be higher than the second temperature.
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