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公开(公告)号：US20210215083A1
公开(公告)日：2021-07-15
申请号：US17056941
申请日：2019-03-28
申请人： Marelli Corporation
摘要： A housing has a heat exchange flow passage which branches from the main exhaust gas flow passage and converges to the main exhaust gas flow passage through the heat exchanger. The valve has a valve pipe constituting the main exhaust gas flow passage in the exhaust pipe and a valve body which rotates to contact a seat part downstream of the valve pipe in an exhaust gas flow direction such that the exhaust gas flows to the heat exchange flow passage. An out port of the heat exchange flow passage which converges to the main exhaust gas flow passage is disposed upstream of a downstream side distal end of the valve pipe in the exhaust gas flow direction, and the downstream side distal end of the valve pipe in the exhaust gas flow direction is disposed upstream of a downstream side distal end of the heat exchanger in the exhaust gas flow direction.
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公开(公告)号：US20230304428A1
公开(公告)日：2023-09-28
申请号：US18327266
申请日：2023-06-01
申请人： Marelli Corporation
发明人： Daisuke Sugaya , Shunichi Mitsuishi , Takaharu Yamamoto , Satoru Yokoshima , Tooru Hisanaga , Daisuke Shimamura
CPC分类号： F01N3/2013 , F01N13/0097 , F01N3/035 , F01N3/101 , F01N3/28 , F01N13/008 , F01N13/1805 , F01N2240/16 , F01N2450/22 , F01N2490/00 , F01N2560/025
摘要： In an exhaust gas processing device, an air-fuel ratio sensor is provided such that a measuring portion is located in a region surrounded by a downstream-side end surface of a TWC, an upstream-side end surface of a GPF, and an inner wall surface of a case against which the exhaust gas G that has passed through the TWC flows, that is the region a region on the GPF side of the center of the TWC.
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公开(公告)号：US11703018B1
公开(公告)日：2023-07-18
申请号：US17928147
申请日：2021-05-26
申请人： Marelli Corporation
发明人： Tooru Hisanaga , Naoharu Chiba , Shirou Nakajima
摘要： An exhaust heat recovery device includes: a first flow path member; a second flow path member adjacent to the first flow path member, and which includes a heat exchange unit configured to perform heat exchange between exhaust gas flowing in the second flow path and a refrigerant; a valve mechanism configured to switch between opening and closing of the first flow path and the second flow path; and a drive unit which includes a drive shaft configured to rotate the rotation shaft portion. The second flow path member is inclined with respect to a flow direction of the exhaust gas in the first flow path, and the drive shaft extends toward the first flow path member and is connected to the rotation shaft portion in a region formed on a lateral side of the second flow path member when viewed in an axial direction of the drive shaft.
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公开(公告)号：US20220065147A1
公开(公告)日：2022-03-03
申请号：US17421213
申请日：2019-12-17
申请人： Marelli Corporation
发明人： Daisuke Sugaya , Shunichi Mitsuishi , Takaharu Yamamoto , Satoru Yokoshima , Tooru Hisanaga , Daisuke Shimamura
摘要： In an exhaust gas processing device, an air-fuel ratio sensor is provided such that a measuring portion is located in a region surrounded by a downstream-side end surface of a TWC, an upstream-side end surface of a GPF, and an inner wall surface of a case against which the exhaust gas G that has passed through the TWC flows, that is the region a region on the GPF side of the center of the TWC.
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公开(公告)号：US11708776B2
公开(公告)日：2023-07-25
申请号：US17899104
申请日：2022-08-30
申请人： Marelli Corporation
发明人： Daisuke Sugaya , Shunichi Mitsuishi , Takaharu Yamamoto , Satoru Yokoshima , Tooru Hisanaga , Daisuke Shimamura
CPC分类号： F01N3/2013 , F01N3/035 , F01N3/101 , F01N3/28 , F01N13/008 , F01N13/0097 , F01N13/1805 , F01N2240/16 , F01N2450/22 , F01N2490/00 , F01N2560/025
摘要： In an exhaust gas processing device, an air-fuel ratio sensor is provided such that a measuring portion is located in a region surrounded by a downstream-side end surface of a TWC, an upstream-side end surface of a GPF, and an inner wall surface of a case against which the exhaust gas G that has passed through the TWC flows, that is the region a region on the GPF side of the center of the TWC.
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公开(公告)号：US20220412241A1
公开(公告)日：2022-12-29
申请号：US17899104
申请日：2022-08-30
申请人： Marelli Corporation
发明人： Daisuke Sugaya , Shunichi Mitsuishi , Takaharu Yamamoto , Satoru Yokoshima , Tooru Hisanaga , Daisuke Shimamura
摘要： In an exhaust gas processing device, an air-fuel ratio sensor is provided such that a measuring portion is located in a region surrounded by a downstream-side end surface of a TWC, an upstream-side end surface of a GPF, and an inner wall surface of a case against which the exhaust gas G that has passed through the TWC flows, that is the region a region on the GPF side of the center of the TWC.
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公开(公告)号：US20210254531A1
公开(公告)日：2021-08-19
申请号：US17056318
申请日：2019-03-28
申请人： Marelli Corporation
摘要： An exhaust purification device has a catalytic converter provided with: an outer cylinder welded at the upstream end portion to an exhaust gas inlet of an inlet-side flange and welded at the downstream end portion to an exhaust gas outlet of the outlet-side flange. An inner cylinder has an upstream end portion held by the upstream side portion of the outer cylinder with no gap and has a downstream end portion disposed at the downstream side of the outer cylinder with a gap, the inner cylinder housing a catalyst support. An opening end is formed at the downstream end portion of the inner cylinder with a gap with respect to the outer cylinder, and a gas layer is formed by the exhaust gas having entered from the exhaust gas inlet and convected to an upstream side between the outer cylinder and the inner cylinder.
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公开(公告)号：US20230213006A1
公开(公告)日：2023-07-06
申请号：US17928147
申请日：2021-05-26
申请人： Marelli Corporation
发明人： Tooru Hisanaga , Naoharu Chiba , Shirou Nakajima
摘要： An exhaust heat recovery device includes: a first flow path member; a second flow path member adjacent to the first flow path member, and which includes a heat exchange unit configured to perform heat exchange between exhaust gas flowing in the second flow path and a refrigerant; a valve mechanism configured to switch between opening and closing of the first flow path and the second flow path; and a drive unit which includes a drive shaft configured to rotate the rotation shaft portion. The second flow path member is inclined with respect to a flow direction of the exhaust gas in the first flow path, and the drive shaft extends toward the first flow path member and is connected to the rotation shaft portion in a region formed on a lateral side of the second flow path member when viewed in an axial direction of the drive shaft.
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公开(公告)号：US11473466B2
公开(公告)日：2022-10-18
申请号：US17421213
申请日：2019-12-17
申请人： Marelli Corporation
发明人： Daisuke Sugaya , Shunichi Mitsuishi , Takaharu Yamamoto , Satoru Yokoshima , Tooru Hisanaga , Daisuke Shimamura
摘要： In an exhaust gas processing device, an air-fuel ratio sensor is provided such that a measuring portion is located in a region surrounded by a downstream-side end surface of a TWC, an upstream-side end surface of a GPF, and an inner wall surface of a case against which the exhaust gas G that has passed through the TWC flows, that is the region a region on the GPF side of the center of the TWC.
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公开(公告)号：US11434804B2
公开(公告)日：2022-09-06
申请号：US17056318
申请日：2019-03-28
申请人： Marelli Corporation
摘要： An exhaust purification device has a catalytic converter provided with: an outer cylinder welded at the upstream end portion to an exhaust gas inlet of an inlet-side flange and welded at the downstream end portion to an exhaust gas outlet of the outlet-side flange. An inner cylinder has an upstream end portion held by the upstream side portion of the outer cylinder with no gap and has a downstream end portion disposed at the downstream side of the outer cylinder with a gap, the inner cylinder housing a catalyst support. An opening end is formed at the downstream end portion of the inner cylinder with a gap with respect to the outer cylinder, and a gas layer is formed by the exhaust gas having entered from the exhaust gas inlet and convected to an upstream side between the outer cylinder and the inner cylinder.
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