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公开(公告)号：US11536226B2
公开(公告)日：2022-12-27
申请号：US17227574
申请日：2021-04-12
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
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Patent Agency Ranking
公开(公告)号：US11008981B2
公开(公告)日：2021-05-18
申请号：US16241671
申请日：2019-01-07
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
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公开(公告)号：US20210231083A1
公开(公告)日：2021-07-29
申请号：US17227574
申请日：2021-04-12
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
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公开(公告)号：US20190136800A1
公开(公告)日：2019-05-09
申请号：US16241671
申请日：2019-01-07
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
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公开(公告)号：US10215134B2
公开(公告)日：2019-02-26
申请号：US15195151
申请日：2016-06-28
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
IPC: F02B33/44 , F02B33/00 , F02M26/09 , F02M26/08 , F02M26/23 , F02M26/43 , F02B29/04 , F02B37/00 , F02B75/18
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
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公开(公告)号：US20170002772A1
公开(公告)日：2017-01-05
申请号：US15195151
申请日：2016-06-28
Applicant: Cummins Inc.
Inventor： Anthony Kyle Perfetto , Samuel C. Geckler , Hongfeng H. Wang
CPC classification number: F02M26/09 , F02B29/0412 , F02B37/001 , F02B2075/1824 , F02M26/08 , F02M26/23 , F02M26/43 , Y02T10/144 , Y02T10/146
Abstract: Systems, apparatus, and methods are disclosed that include a divided exhaust engine with at least one pair of primary EGR cylinders and a plurality of pairs of non-primary EGR cylinders. The pair of primary EGR cylinders can be connected to an intake with an EGR system that lacks an EGR cooler. In another embodiment, the cylinder pairs include exhaust flow paths that join in the cylinder head to form a common exhaust outlet for each cylinder pair in the cylinder head that is connected directly to the EGR system or to the exhaust system without an exhaust manifold.
Abstract translation: 公开了包括具有至少一对主EGR气缸和多对非初级EGR气缸的分开的排气发动机的系统，装置和方法。 一对初级EGR气缸可以连接到具有缺少EGR冷却器的EGR系统的进气口。 在另一个实施例中，气缸对包括排气流动路径，其连接在气缸盖中，以形成用于气缸盖中的每个气缸对的公共排气出口，其直接连接到EGR系统或排气系统而没有排气歧管。
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