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公开(公告)号：US11293339B2
公开(公告)日：2022-04-05
申请号：US17078759
申请日：2020-10-23
Applicant: Cummins Inc.
Inventor： Philipe F. Saad , Leon A. LaPointe , Premjee Sasidharan , Atsuhiko Watanabe
Abstract: An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.
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Patent Agency Ranking
公开(公告)号：US20210040880A1
公开(公告)日：2021-02-11
申请号：US17078759
申请日：2020-10-23
Applicant: Cummins Inc.
Inventor： Philipe F. Saad , Leon A. LaPointe , Premjee Sasidharan , Atsuhiko Watanabe
Abstract: An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.
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公开(公告)号：US10815871B2
公开(公告)日：2020-10-27
申请号：US16483675
申请日：2018-01-31
Applicant: Cummins Inc.
Inventor： Philipe F. Saad , Leon A. LaPointe , Premjee Sasidharan , Atsuhiko Watanabe
Abstract: An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.
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公开(公告)号：US09797296B2
公开(公告)日：2017-10-24
申请号：US13841866
申请日：2013-03-15
Applicant: Cummins Inc.
Inventor： Premjee Sasidharan , Leon A. LaPointe
IPC: F02B19/14 , F02B19/18 , F02B19/12 , F02B21/00 , F02B19/16 , F02B3/06 , F02B1/04 , F02B19/10 , F02M61/18
CPC classification number: F02B19/18 , F02B1/04 , F02B3/06 , F02B19/1014 , F02B19/1019 , F02B19/108 , F02B19/12 , F02B19/14 , F02B19/16 , F02B21/00 , F02M61/1833 , Y02T10/125
Abstract: Described herein is a combustion pre-chamber apparatus for a main combustion chamber of an internal combustion engine that includes a body that defines an internal combustion cavity. The apparatus also includes at least one orifice that extends through the body. The at least one orifice includes a first end open to the internal combustion cavity and a second end open to the main combustion chamber. The first end is bigger than the second end.
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公开(公告)号：US20200018223A1
公开(公告)日：2020-01-16
申请号：US16483675
申请日：2018-01-31
Applicant: Cummins Inc.
Inventor： Philipe F. Saad , Leon A. LaPointe , Premjee Sasidharan , Atsuhiko Watanabe
Abstract: An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.
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公开(公告)号：US20140261298A1
公开(公告)日：2014-09-18
申请号：US13841866
申请日：2013-03-15
Applicant: CUMMINS INC.
Inventor： Premjee Sasidharan , Leon A. LaPointe
IPC: F02B19/18
CPC classification number: F02B19/18 , F02B1/04 , F02B3/06 , F02B19/1014 , F02B19/1019 , F02B19/108 , F02B19/12 , F02B19/14 , F02B19/16 , F02B21/00 , F02M61/1833 , Y02T10/125
Abstract: Described herein is a combustion pre-chamber apparatus for a main combustion chamber of an internal combustion engine that includes a body that defines an internal combustion cavity. The apparatus also includes at least one orifice that extends through the body. The at least one orifice includes a first end open to the internal combustion cavity and a second end open to the main combustion chamber. The first end is bigger than the second end.
Abstract translation: 这里描述了一种用于内燃机的主燃烧室的燃烧预燃室装置，其包括限定内燃腔的主体。 该装置还包括延伸穿过主体的至少一个孔口。 所述至少一个孔包括通向所述内部燃烧腔的第一端和通向所述主燃烧室的第二端。 第一端大于第二端。
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