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公开(公告)号：US20190186341A1
公开(公告)日：2019-06-20
申请号：US15844876
申请日：2017-12-18
Applicant: Caterpillar Inc.
Inventor： Aaron Ness , Jeff Howard , Sri Harsha Uddanda , Lucas Allen Burger
CPC classification number: F02B23/0621 , F02B23/0672 , F02F3/28
Abstract: A piston comprises a crown portion with a contoured bowl having a reentrant surface extending from the top squish surface that connects to a lower sidewall surface that connects to a swirl pocket surface disposed adjacent the bottom bowl surface.
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Patent Agency Ranking
公开(公告)号：US20160177896A1
公开(公告)日：2016-06-23
申请号：US14577434
申请日：2014-12-19
Applicant: Caterpillar Inc.
Inventor： Ryan Snodgrass , Jeff Howard , Michael Gough
IPC: F02M35/10
CPC classification number: F02M35/10072 , F02M21/04 , F02M35/10118 , F02M35/10157 , F02M35/10216 , F02M35/10222
Abstract: The disclosure is directed to an intake system for a machine, the intake system including a connector including an inlet portion, a mixing portion and an outlet portion where the connector is configured to flow air sequentially through the inlet portion, the mixing portion and the outlet portion within the connector, a fuel admission valve input where the fuel admission valve input is connected to an outer surface of the connector and is configured to receive fuel that subsequently enters inside the connector and a fuel admission point placed within the connector. The fuel admission point is configured to receive the fuel from the fuel admission valve input and introduce the fuel inside the connector. The fuel admission point is further configured to introduce the fuel inside the connector at an angle with respect to an airflow through the connector to generate a turbulent flow and cause mixing of air and fuel.
Abstract translation: 本公开涉及一种用于机器的进气系统，所述进气系统包括连接器，所述连接器包括入口部分，混合部分和出口部分，其中所述连接器构造成使空气依次通过所述入口部分，所述混合部分和所述出口 连接器内的部分，燃料入口阀输入，其中燃料入口阀输入端连接到连接器的外表面，并且构造成接收随后进入连接器内部的燃料和放置在连接器内的燃料允许点。 燃料准入点被配置为从燃料入口阀输入接收燃料并将燃料引入连接器内部。 燃料进入点还被配置为相对于穿过连接器的气流以一定角度引入连接器内的燃料以产生湍流并引起空气和燃料的混合。
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公开(公告)号：US20180073452A1
公开(公告)日：2018-03-15
申请号：US15263945
申请日：2016-09-13
Applicant: Caterpillar Inc.
Inventor： Michael D. Gough , Nathan Atterberry , Jeff Howard , Brian Bell , Hua Xu
CPC classification number: F02D41/0027 , F02B3/12 , F02B37/00 , F02B43/00 , F02B43/12 , F02B63/04 , F02D19/0647 , F02D35/023 , F02D41/0007 , F02D41/0025 , F02D41/1446 , F02D41/401 , F02D2041/389 , F02D2200/04 , F02D2200/0602
Abstract: A system and method for automatically calibrating an engine operating with a first fuel and a second fuel includes comparing each of a plurality of engine operating parameters with a corresponding limit, determining whether any of the plurality of engine operating parameters has exceeded its corresponding limit and, while none of the plurality of engine operating parameters has exceeded its corresponding limit, automatically and incrementally advance start of injection timing.
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公开(公告)号：US09856803B2
公开(公告)日：2018-01-02
申请号：US14851129
申请日：2015-09-11
Applicant: Caterpillar Inc.
Inventor： Jeff Howard , Timothy B. James , Todd A. Rezac , Brett A. Zook , David J. Lin , Gary Boyer , Robert Maxson
IPC: F02B33/44 , F02D41/00 , F02B63/04 , F02B43/10 , F02B21/00 , F02B37/02 , B60K3/00 , F02B37/10 , F02D41/10
CPC classification number: F02D41/0027 , B60K3/00 , F02B21/00 , F02B37/02 , F02B37/10 , F02B43/10 , F02B63/04 , F02B2043/103 , F02D41/0007 , F02D41/10 , Y02T10/144 , Y02T10/32
Abstract: A natural gas engine system may have an engine having at least one cylinder. The engine may also have an intake manifold configured to deliver air for combustion to the cylinder and an exhaust manifold configured to discharge exhaust from the cylinder. The natural gas engine system may have a generator coupled to the engine. The generator may be configured to generate electrical power for an electrical load. The natural gas engine system may have a fuel source configured to supply natural gas for combustion in the engine, and an air tank in fluid communication with the intake manifold and the exhaust manifold. Further, the natural gas engine system may have a controller. The controller may be configured to direct a first amount of air from the air tank to the exhaust manifold and a second amount of air from the air tank to the intake manifold.
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公开(公告)号：US10400663B2
公开(公告)日：2019-09-03
申请号：US15844876
申请日：2017-12-18
Applicant: Caterpillar Inc.
Inventor： Aaron Ness , Jeff Howard , Sri Harsha Uddanda , Lucas Allen Burger
Abstract: A piston comprises a crown portion with a contoured bowl having a reentrant surface extending from the top squish surface that connects to a lower sidewall surface that connects to a swirl pocket surface disposed adjacent the bottom bowl surface.
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公开(公告)号：US09945308B2
公开(公告)日：2018-04-17
申请号：US15263945
申请日：2016-09-13
Applicant: Caterpillar Inc.
Inventor： Michael D. Gough , Nathan Atterberry , Jeff Howard , Brian Bell , Hua Xu
CPC classification number: F02D41/0027 , F02B3/12 , F02B37/00 , F02B43/00 , F02B43/12 , F02B63/04 , F02D19/0647 , F02D35/023 , F02D41/0007 , F02D41/0025 , F02D41/1446 , F02D41/401 , F02D2041/389 , F02D2200/04 , F02D2200/0602
Abstract: A system and method for automatically calibrating an engine operating with a first fuel and a second fuel includes comparing each of a plurality of engine operating parameters with a corresponding limit, determining whether any of the plurality of engine operating parameters has exceeded its corresponding limit and, while none of the plurality of engine operating parameters has exceeded its corresponding limit, automatically and incrementally advance start of injection timing.
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