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公开(公告)号：US20220275737A1
公开(公告)日：2022-09-01
申请号：US17189252
申请日：2021-03-01
Applicant: Caterpillar Inc.
Inventor： Dustin Irvin Landwehr , Jim K. Carroll , David Charles Copley , Rakesh Chandran Ramachandran , Timothy Josiah Lee , Yung T. Bui , Anthony C. Rodman
Abstract: A reduction device includes a housing defining an input chamber configured to receive exhaust from a power source, an output chamber, an exhaust channel configured to direct the exhaust from the input chamber to the output chamber, and a longitudinal axis. The reduction device also includes a treatment unit disposed in the exhaust channel and along the longitudinal axis. The treatment unit is configured to at least partly remove pollutant species from the exhaust. The reduction device also includes an attenuation component disposed in the housing and radially outward of the treatment unit. The attenuation component is fluidly connected to the exhaust channel, and is configured to attenuate a range of frequencies corresponding to operation of the power source. Additionally, the exhaust channel prohibits exhaust entering the input chamber from exiting the housing without passing through the treatment unit.
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公开(公告)号：US11247173B1
公开(公告)日：2022-02-15
申请号：US16990047
申请日：2020-08-11
Applicant: Caterpillar Inc.
Inventor： Yung T. Bui , Srinivasa Perumal Velu
Abstract: A two-stage mixer may include a guiding element and a mixing element. The guiding element may be configured to be fixedly mounted to an interior of an exhaust conduit. The mixing element may be configured to be fixedly mounted to the interior of the exhaust conduit in a position downstream from the guiding element. The mixing element may include a central disk, a plurality of mounting arms extending radially from the central disk, and a plurality of blades extending radially from the central disk. At least one mounting arm of the plurality of mounting arms may include a fin extending therefrom, and at least one blade of the plurality of blades may include a fin extending therefrom.
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公开(公告)号：US20170241322A1
公开(公告)日：2017-08-24
申请号：US15494919
申请日：2017-04-24
Applicant: Caterpillar Inc.
Inventor： Raymond U. Isada , Kurtis E. Chenoweth , Eric Spaeth , Ping Xiang , Yung T. Bui
CPC classification number: F01N13/1855 , F01N3/2066 , F01N3/2892 , F01N13/002 , F01N13/017 , F01N13/02 , F01N13/1827 , F01N2450/02 , F01N2450/30 , F01N2610/02 , Y02A50/2325 , Y02T10/24
Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
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公开(公告)号：US08999276B1
公开(公告)日：2015-04-07
申请号：US14031066
申请日：2013-09-19
Applicant: Caterpillar Inc.
Inventor： Yung T. Bui
CPC classification number: F01N3/2882 , B01D53/94 , B01D53/9418 , B01D53/9495 , B01F3/02 , B01F5/0057 , B01F2215/0422 , B01F2215/0431 , F01N3/2066 , F01N3/2892 , F01N13/008 , F01N13/009 , F01N2240/20 , F01N2560/026 , Y02T10/24
Abstract: A mixing element positioned at an exhaust outlet of a Selective Catalytic Reduction (SCR) module is provided. The mixing element includes a base plate having an upper surface and a lower surface. The base plate is configured to deflect a portion of a flow of a fluid around the upper surface thereof. The mixing element also includes a plurality of vanes attached to the lower surface of the base plate in a spaced apart arrangement. The plurality of vanes is configured to induce a swirling effect in a flow of the fluid received therebetween.
Abstract translation: 提供了位于选择性催化还原（SCR）模块的排气口处的混合元件。 混合元件包括具有上表面和下表面的基板。 底板被配置成偏转流体周围的上表面的一部分流动。 混合元件还包括以间隔开的布置附接到基板的下表面的多个叶片。 多个叶片构造成在其间接收的流体的流动中引起旋转效应。
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公开(公告)号：US20200224571A1
公开(公告)日：2020-07-16
申请号：US16249651
申请日：2019-01-16
Applicant: Caterpillar Inc.
Inventor： Samprati Vijay Shah , Satya Ramakrishna Manda Venkata Naga , Ian Aguirre , Arvind Jujare , Yung T. Bui , Phillip Kyle Orman , Yong Yi
Abstract: A nozzle including a nozzle body having a proximal end and a distal end. The proximal end includes at least a first inlet and a second inlet, and the distal end includes an outlet. An inner tube extends in a direction along a central longitudinal axis of the nozzle and at least partly defines a first channel fluidly connected to the first inlet and a second channel fluidly connected to the second inlet. The second channel fluidly connects to the first channel via one or more orifices extending through the inner tube.
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Patent Agency Ranking
公开(公告)号：US09677447B2
公开(公告)日：2017-06-13
申请号：US14562067
申请日：2014-12-05
Applicant: Caterpillar Inc.
Inventor： Raymond Upano Isada , Kurtis Edward Chenoweth , Eric Spaeth , Ping Xiang , Yung T. Bui
CPC classification number: F01N13/1855 , F01N3/2066 , F01N3/2892 , F01N13/002 , F01N13/017 , F01N13/02 , F01N13/1827 , F01N2450/02 , F01N2450/30 , F01N2610/02 , Y02A50/2325 , Y02T10/24
Abstract: An aftertreatment module is disclosed for use with an engine. The aftertreatment module may have an inlet housing at least partially defining an inlet passage for exhaust, and at least one mixer disposed in the inlet passage. The aftertreatment module may also have an outlet housing at least partially defining an outlet passage for exhaust, and a catalyst housing removably connected between the inlet housing and the outlet housing. The aftertreatment module may further have a plurality of catalyst substrates configured to be mounted in the catalyst housing, to receive exhaust from the inlet passage in parallel, and to discharge exhaust to the outlet housing in parallel.
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公开(公告)号：US20160194995A1
公开(公告)日：2016-07-07
申请号：US15067204
申请日：2016-03-11
Applicant: Caterpillar Inc.
Inventor： Kevin Weiss , Mohamed I. Daoud , Yung T. Bui , Arvind Jujare , Chiranjeevi Mangamuri , Timothy Alcenius
IPC: F01N3/28
CPC classification number: F01N3/2892 , B01F3/04021 , B01F5/0451 , B01F5/061 , B01F5/0688 , F01N3/2066 , F01N13/011 , F01N13/08 , F01N13/1805 , F01N2240/20 , F01N2470/16 , F01N2470/18 , F01N2490/00
Abstract: A flow mixing device includes a body having a first end, a second end, and an interior volume defined between them. An inlet plate, coupled to the first end of the body, defines at least two inlet orifices in fluid communication with the interior volume. Similarly, an outlet plate, coupled to the second end defines an outlet passage of the flow mixing device. A diffuser conduit, coupled to the inlet plate, defines an inlet passage disposed in fluid communication with the respective inlet orifices. A separator plate assembly disposed in the interior volume extends partially between the first and second ends of the body. Flow guiding vanes, coupled proximal to the second end, extend partially within the diffuser conduit.
Abstract translation: 流动混合装置包括具有第一端，第二端和在它们之间限定的内部空间的主体。 联接到主体的第一端的入口板限定与内部容积流体连通的至少两个入口孔。 类似地，联接到第二端的出口板限定了流动混合装置的出口通道。 耦合到入口板的扩散器导管限定了与各个入口孔流体连通的入口通道。 设置在内部空间中的分隔板组件部分地延伸在主体的第一和第二端之间。 靠近第二端的流动引导叶片部分延伸在扩散管道内。
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公开(公告)号：US09302223B2
公开(公告)日：2016-04-05
申请号：US14303647
申请日：2014-06-13
Applicant: Caterpillar Inc.
Inventor： Yung T. Bui , Ping Xiang
CPC classification number: B01D53/9431 , B01F3/04049 , B01F5/0473 , B01F5/0618 , B01F2005/0636 , F01N3/2066 , F01N3/2892 , F01N2240/20 , F01N2900/08
Abstract: A mixing element positioned at an exhaust inlet of a Selective Catalytic Reduction (SCR) module is provided. The mixing element includes a base plate having a plurality of perforations thereon. The mixing element also includes a plurality of vanes connected to the base plate. Each of the plurality of vanes is spaced apart from one another. The plurality of vanes includes a plurality of flaps extending radially from the base plate. Each of the plurality of flaps has a planar configuration. The plurality of vanes also includes a plurality of blades attached to the plurality of flaps. Each of the plurality of blades extends axially with respect to an axis of the exhaust inlet. The blade has a curved configuration.
Abstract translation: 提供了位于选择性催化还原（SCR）模块的排气入口处的混合元件。 混合元件包括其上具有多个穿孔的基板。 混合元件还包括连接到基板的多个叶片。 多个叶片中的每一个彼此间隔开。 多个叶片包括从基板径向延伸的多个翼片。 多个翼片中的每一个具有平面构造。 多个叶片还包括附接到多个翼片的多个叶片。 多个叶片中的每一个叶片相对于排气入口的轴线轴向延伸。 刀片具有弯曲配置。
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公开(公告)号：US20150360176A1
公开(公告)日：2015-12-17
申请号：US14303647
申请日：2014-06-13
Applicant: Caterpillar Inc.
Inventor： Yung T. Bui , Ping Xiang
CPC classification number: B01D53/9431 , B01F3/04049 , B01F5/0473 , B01F5/0618 , B01F2005/0636 , F01N3/2066 , F01N3/2892 , F01N2240/20 , F01N2900/08
Abstract: A mixing element positioned at an exhaust inlet of a Selective Catalytic Reduction (SCR) module is provided. The mixing element includes a base plate having a plurality of perforations thereon. The mixing element also includes a plurality of vanes connected to the base plate. Each of the plurality of vanes is spaced apart from one another. The plurality of vanes includes a plurality of flaps extending radially from the base plate. Each of the plurality of flaps has a planar configuration. The plurality of vanes also includes a plurality of blades attached to the plurality of flaps. Each of the plurality of blades extends axially with respect to an axis of the exhaust inlet. The blade has a curved configuration.
Abstract translation: 提供了位于选择性催化还原（SCR）模块的排气入口处的混合元件。 混合元件包括其上具有多个穿孔的基板。 混合元件还包括连接到基板的多个叶片。 多个叶片中的每一个彼此间隔开。 多个叶片包括从基板径向延伸的多个翼片。 多个翼片中的每一个具有平面构造。 多个叶片还包括附接到多个翼片的多个叶片。 多个叶片中的每一个叶片相对于排气入口的轴线轴向延伸。 刀片具有弯曲配置。
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公开(公告)号：US11808187B2
公开(公告)日：2023-11-07
申请号：US17189252
申请日：2021-03-01
Applicant: Caterpillar Inc.
Inventor： Dustin Irvin Landwehr , Jim K Carroll , David Charles Copley , Rakesh Chandran Ramachandran , Timothy Josiah Lee , Yung T. Bui , Anthony C. Rodman
CPC classification number: F01N1/023 , F01N1/04 , F01N3/2825 , F01N2330/06 , F01N2490/155
Abstract: A reduction device includes a housing defining an input chamber configured to receive exhaust from a power source, an output chamber, an exhaust channel configured to direct the exhaust from the input chamber to the output chamber, and a longitudinal axis. The reduction device also includes a treatment unit disposed in the exhaust channel and along the longitudinal axis. The treatment unit is configured to at least partly remove pollutant species from the exhaust. The reduction device also includes an attenuation component disposed in the housing and radially outward of the treatment unit. The attenuation component is fluidly connected to the exhaust channel, and is configured to attenuate a range of frequencies corresponding to operation of the power source. Additionally, the exhaust channel prohibits exhaust entering the input chamber from exiting the housing without passing through the treatment unit.
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