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公开(公告)号：US20220228521A1
公开(公告)日：2022-07-21
申请号：US17716341
申请日：2022-04-08
Applicant: CUMMINS INC.
Inventor： Daniel J. Mohr , Bogdan V. Pavlov , Nikhil J. Ajotikar , Yi-cheng Chen , David Eckroth
Abstract: An exhaust manifold comprises a plurality of exhaust intake conduits structured to be fluidly coupled to an engine and receive exhaust gas from a corresponding cylinder of the engine. At least one exhaust intake conduit provides a reduction in an exhaust intake conduit cross-sectional area from an inlet to an outlet. A plurality of bends are each defined by a respective one of the exhaust intake conduit outlets. An exhaust intake manifold is fluidly coupled to the exhaust intake manifold and defines an exhaust intake manifold flow axis. Each of the plurality of bends is shaped so as to define an angle of approach of exhaust gas flowing therethrough. A first angle of approach of the first bend relative to the exhaust intake manifold flow axis is smaller than a second angle of approach of an inner second bend.
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公开(公告)号：US20200300150A1
公开(公告)日：2020-09-24
申请号：US16889058
申请日：2020-06-01
Applicant: CUMMINS INC.
Inventor： Daniel J. Mohr , Bogdan V. Pavlov , Nikhil J. Ajotikar , Yi-cheng Chen , David Eckroth
Abstract: An exhaust manifold comprises a plurality of exhaust intake conduits structured to be fluidly coupled to an engine and receive exhaust gas from a corresponding cylinder of the engine. At least one exhaust intake conduit provides a reduction in an exhaust intake conduit cross-sectional area from an inlet to an outlet. A plurality of bends are each defined by a respective one of the exhaust intake conduit outlets. An exhaust intake manifold is fluidly coupled to the exhaust intake manifold and defines an exhaust intake manifold flow axis. Each of the plurality of bends is shaped so as to define n angle of approach of exhaust gas flowing therethrough. A first angle of approach of the first bend relative to the exhaust intake manifold flow axis is smaller than a second angle of approach of an inner second bend.
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Patent Agency Ranking
公开(公告)号：US10704449B2
公开(公告)日：2020-07-07
申请号：US16073117
申请日：2017-02-01
Applicant: CUMMINS INC.
Inventor： Daniel J. Mohr , Bogdan V. Pavlov , Nikhil J. Ajotikar , Yi-cheng Chen , David Eckroth
Abstract: An exhaust manifold comprises a plurality of exhaust intake conduits structured to be fluidly coupled to an engine and receive exhaust gas from a corresponding cylinder of the engine. At least one exhaust intake conduit provides a reduction in an exhaust intake conduit cross-sectional area from an inlet to an outlet. A plurality of bends are each defined by a respective one of the exhaust intake conduit outlets. An exhaust intake manifold is fluidly coupled to the exhaust intake manifold and defines an exhaust intake manifold flow axis. Each of the plurality of bends is shaped so as to define an angle of approach of exhaust gas flowing therethrough. A first angle of approach of the first bend relative to the exhaust intake manifold flow axis is smaller than a second angle of approach of an inner second bend.
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公开(公告)号：US11319860B2
公开(公告)日：2022-05-03
申请号：US16889058
申请日：2020-06-01
Applicant: CUMMINS INC.
Inventor： Daniel J. Mohr , Bogdan V. Pavlov , Nikhil J. Ajotikar , Yi-cheng Chen , David Eckroth
Abstract: An exhaust manifold comprises a plurality of exhaust intake conduits structured to be fluidly coupled to an engine and receive exhaust gas from a corresponding cylinder of the engine. At least one exhaust intake conduit provides a reduction in an exhaust intake conduit cross-sectional area from an inlet to an outlet. A plurality of bends are each defined by a respective one of the exhaust intake conduit outlets. An exhaust intake manifold is fluidly coupled to the exhaust intake manifold and defines an exhaust intake manifold flow axis. Each of the plurality of bends is shaped so as to define n angle of approach of exhaust gas flowing therethrough. A first angle of approach of the first bend relative to the exhaust intake manifold flow axis is smaller than a second angle of approach of an inner second bend.
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公开(公告)号：US11686239B2
公开(公告)日：2023-06-27
申请号：US17716341
申请日：2022-04-08
Applicant: CUMMINS INC.
Inventor： Daniel J. Mohr , Bogdan V. Pavlov , Nikhil J. Ajotikar , Yi-Cheng Chen , David Eckroth
IPC: F02M26/05 , F02M26/17 , F02M35/10 , F01N13/10 , F02B37/02 , F02M26/14 , F01N1/06 , F02M26/42 , F02M35/104
CPC classification number: F01N13/10 , F01N1/06 , F01N13/107 , F02B37/025 , F02M26/14 , F02M26/42 , F02M35/10 , F02M35/10032 , F02M35/10039 , F01N2260/06 , F01N2260/14 , F01N2260/16 , F01N2340/00 , F02M26/05 , F02M26/17 , F02M35/104 , F02M35/10026 , F02M35/10052 , F02M35/10157 , F02M35/10216 , F02M35/10222 , Y02T10/12
Abstract: An intake manifold is provided. A first inlet is structured to receive pressurized intake air from a turbocharger. A second inlet is structured to receive exhaust gas recirculation gas from an exhaust gas recirculation system. A third inlet is structured to receive fuel from a fuel line. A plurality of outlets are structured to be fluidly coupled to an engine. An intake manifold passage extends between each of the first, second, and third inlets, and the plurality of outlets. The intake manifold passage is shaped so as to cause at least two reversals in flow direction of each of the intake air, the exhaust gas recirculation gas, and the fuel through the intake manifold passage so as to improve mixing of each of the intake air, the exhaust gas recirculation gas, and the fuel.
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