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公开(公告)号：US09587606B2
公开(公告)日：2017-03-07
申请号：US14685264
申请日：2015-04-13
Applicant: Caterpillar Inc.
Inventor： Jonathan Anders , Kenth Svensson , Bobby John , Chad Koci , Christopher Gehrke , Glen Martin , Timothy Bazyn
CPC classification number: F02M55/00 , F02M61/14 , F02M61/1806 , F02M61/1813 , F02M61/182 , F02M61/1833
Abstract: A ducted combustion system is disclosed. The ducted combustion system includes a combustion chamber bound by a flame deck surface of a cylinder head of an internal combustion engine and by a piston top surface of a piston disposed within the internal combustion engine. The system includes a fuel injector including one or more orifices, the one or more orifices injecting fuel into the combustion chamber as one or more fuel jets. The system includes one or more ducts disposed within the combustion chamber between the flame deck surface and the piston top surface, the one or more ducts being generally tubular shaped structures and being disposed such that each of the one or more fuel jets at least partially enters one of the one or more ducts upon being injected into the combustion chamber.
Abstract translation: 公开了一种管道燃烧系统。 管道燃烧系统包括由内燃机的气缸盖的火焰甲板表面和设置在内燃机内的活塞的活塞顶表面结合的燃烧室。 该系统包括一个燃料喷射器，该燃料喷射器包括一个或多个喷孔，一个或多个喷嘴将燃料喷射到燃烧室中作为一个或多个燃料喷射。 该系统包括设置在火焰甲板表面和活塞顶表面之间的燃烧室内的一个或多个管道，一个或多个管道通常是管状结构，并且被布置成使得一个或多个燃料喷嘴中的每一个至少部分地进入 一个或多个管道中的一个被注入到燃烧室中。
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公开(公告)号：US09803538B2
公开(公告)日：2017-10-31
申请号：US14685295
申请日：2015-04-13
Applicant: Caterpillar Inc.
Inventor： Jonathan Anders , Kenth Svensson , Bobby John , Chad Koci , Christopher Gehrke , Glen Martin , Timothy Bazyn
CPC classification number: F02B23/0627 , F02B23/02 , F02B23/0648 , F02F1/24 , Y02T10/125
Abstract: A ducted combustion system is disclosed. The ducted combustion system includes a combustion chamber bound by a flame deck surface of a cylinder head of an internal combustion engine and by a piston top surface of a piston disposed within the internal combustion engine. The system includes a fuel injector including a plurality of orifices, the plurality of orifices injecting fuel into the combustion chamber as a plurality of fuel jets. The system includes a duct structure defining a plurality of ducts and disposed within the combustion chamber between the flame deck surface and the piston top surface, the plurality of ducts being disposed such that each of the plurality of fuel jets at least partially enters one of the plurality of ducts upon being injected into the combustion chamber.
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公开(公告)号：US10273891B2
公开(公告)日：2019-04-30
申请号：US15356116
申请日：2016-11-18
Applicant: Caterpillar Inc.
Inventor： Glen Martin , David Ginter , Jaswinder Singh
Abstract: Operating a gaseous fuel engine includes injecting a pilot charge directly into a combustion chamber in an engine, and igniting one spray plume of the pilot charge. A flame front is propagated to other pilot spray plumes to produce an ignition flame for igniting later injected main charge spray plumes. Injection of the pilot and main charges is by way of the same fuel injection orifices.
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Patent Agency Ranking
公开(公告)号：US20160298529A1
公开(公告)日：2016-10-13
申请号：US14685295
申请日：2015-04-13
Applicant: Caterpillar Inc.
Inventor： Jonathan Anders , Kenth Svensson , Bobby John , Chad Koci , Christopher Gehrke , Glen Martin , Timothy Bazyn
CPC classification number: F02B23/0627 , F02B23/02 , F02B23/0648 , F02F1/24 , Y02T10/125
Abstract: A ducted combustion system is disclosed. The ducted combustion system includes a combustion chamber bound by a flame deck surface of a cylinder head of an internal combustion engine and by a piston top surface of a piston disposed within the internal combustion engine. The system includes a fuel injector including a plurality of orifices, the plurality of orifices injecting fuel into the combustion chamber as a plurality of fuel jets. The system includes a duct structure defining a plurality of ducts and disposed within the combustion chamber between the flame deck surface and the piston top surface, the plurality of ducts being disposed such that each of the plurality of fuel jets at least partially enters one of the plurality of ducts upon being injected into the combustion chamber.
Abstract translation: 公开了一种管道燃烧系统。 管道燃烧系统包括由内燃机的气缸盖的火焰甲板表面和设置在内燃机内的活塞的活塞顶表面结合的燃烧室。 该系统包括具有多个喷嘴的燃料喷射器，多个喷嘴将燃料作为多个燃料喷射喷射到燃烧室中。 该系统包括限定多个管道并且设置在火焰甲板表面和活塞顶表面之间的燃烧室内的管道结构，多个管道被布置成使得多个燃料喷嘴中的每一个至少部分地进入 多个管道被注入到燃烧室中。
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公开(公告)号：US10378495B2
公开(公告)日：2019-08-13
申请号：US15796916
申请日：2017-10-30
Applicant: Caterpillar Inc.
Inventor： Bobby John , Glen Martin , Jonathan W. Anders , Robert Campion
Abstract: A fuel system includes a fuel injector having a fuel passage and a purging fluid passage formed therein. A nozzle tip inner surface defines a sac forming a blind end of the fuel passage in the fuel injector. A coaxial concentric check assembly includes a purging check movable to admit a purging fluid such as pressurized air into the fuel passage to purge the sac of fuel. Reduced injector dribble is observed from the purging of fuel.
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公开(公告)号：US20190128228A1
公开(公告)日：2019-05-02
申请号：US15796916
申请日：2017-10-30
Applicant: Caterpillar Inc.
Inventor： Bobby John , Glen Martin , Jonathan W. Anders , Robert Campion
CPC classification number: F02M47/06 , F02M55/002 , F02M57/02 , F02M61/1886 , F02M63/0043 , F02M2200/46
Abstract: A fuel system includes a fuel injector having a fuel passage and a purging fluid passage formed therein. A nozzle tip inner surface defines a sac forming a blind end of the fuel passage in the fuel injector. A coaxial concentric check assembly includes a purging check movable to admit a purging fluid such as pressurized air into the fuel passage to purge the sac of fuel. Reduced injector dribble is observed from the purging of fuel.
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公开(公告)号：US20180142632A1
公开(公告)日：2018-05-24
申请号：US15356116
申请日：2016-11-18
Applicant: Caterpillar Inc.
Inventor： Glen Martin , David Ginter , Jaswinder Singh
CPC classification number: F02D41/0027 , F02D41/403 , F02D2041/389 , F02M21/0245 , F02M21/0263 , F02M21/0275 , F02P3/00 , F02P5/04 , F02P5/045 , F02P15/00 , F02P23/04 , Y02T10/32 , Y02T10/44
Abstract: Operating a gaseous fuel engine includes injecting a pilot charge directly into a combustion chamber in an engine, and igniting one spray plume of the pilot charge. A flame front is propagated to other pilot spray plumes to produce an ignition flame for igniting later injected main charge spray plumes. Injection of the pilot and main charges is by way of the same fuel injection orifices.
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公开(公告)号：US20160298583A1
公开(公告)日：2016-10-13
申请号：US14685264
申请日：2015-04-13
Applicant: Caterpillar Inc.
Inventor： Jonathan Anders , Kenth Svensson , Bobby John , Chad Koci , Christopher Gehrke , Glen Martin , Timothy Bazyn
CPC classification number: F02M55/00 , F02M61/14 , F02M61/1806 , F02M61/1813 , F02M61/182 , F02M61/1833
Abstract: A ducted combustion system is disclosed. The ducted combustion system includes a combustion chamber bound by a flame deck surface of a cylinder head of an internal combustion engine and by a piston top surface of a piston disposed within the internal combustion engine. The system includes a fuel injector including one or more orifices, the one or more orifices injecting fuel into the combustion chamber as one or more fuel jets. The system includes one or more ducts disposed within the combustion chamber between the flame deck surface and the piston top surface, the one or more ducts being generally tubular shaped structures and being disposed such that each of the one or more fuel jets at least partially enters one of the one or more ducts upon being injected into the combustion chamber.
Abstract translation: 公开了管道燃烧系统。 管道燃烧系统包括由内燃机的气缸盖的火焰甲板表面和设置在内燃机内的活塞的活塞顶表面结合的燃烧室。 该系统包括一个燃料喷射器，该燃料喷射器包括一个或多个喷孔，一个或多个喷嘴将燃料喷射到燃烧室中作为一个或多个燃料喷射。 该系统包括设置在火焰甲板表面和活塞顶表面之间的燃烧室内的一个或多个管道，一个或多个管道通常是管状结构，并且被布置成使得一个或多个燃料喷嘴中的每一个至少部分地进入 一个或多个管道中的一个被注入到燃烧室中。
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