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Aftertreatment system

A conduit and inlet technology, which is applied in the field of after-treatment systems dealing with large-capacity exhaust flows, can solve the problems of increasing the overall size of the after-treatment system, increasing the cost of the after-treatment system and manufacturing costs, etc.

Inactive Publication Date: 2019-03-05
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to an increase in the overall size of the aftertreatment system
An increase in the size of the aftertreatment system and its components may in turn lead to increased costs such as research and development costs, manufacturing costs, new tooling, and other costs

Method used

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Embodiment Construction

[0016] Wherever possible, the same reference numbers will be used throughout the drawings to refer to the same or like parts. refer to figure 1 , an exemplary engine 102 is shown. Engine 102 is an internal combustion engine powered by any fuel known in the art, such as natural gas, diesel, gasoline, and / or combinations thereof. In some embodiments, engine 102 may be associated with a machine (not shown), including but not limited to locomotives, ships, land vehicles, generators, and the like. The engine 102 and / or the machine may be used in any industry, including but not limited to construction, agriculture, forestry, mining, transportation, waste management, aviation, marine, material handling, and power generation.

[0017] Engine 102 includes an engine block 104 . Engine block 104 includes one or more cylinders 105 disposed therein. The cylinders 105 may be arranged in any configuration including, but not limited to, inline, radial, "V" and the like. Each cylinder 105...

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PUM

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Abstract

The present invention provides an aftertreatment system for treating a high-volume exhaust flow. The aftertreatment system includes a first module and a second module. The aftertreatment system also includes a main inlet conduit, a first inlet conduit, a second inlet conduit, a first outlet conduit, and a second outlet conduit. Each of the first inlet conduit and the second inlet conduit is adapted to split the exhaust flow downstream of the main inlet conduit into a first stream and a second stream flowing therethrough respectively. The splitting of the exhaust flow is adapted to limit a backpressure within the aftertreatment system.

Description

technical field [0001] The present invention relates to aftertreatment systems. More specifically, the present invention relates to an aftertreatment system for treating a high volume exhaust flow. Background technique [0002] Large internal combustion engines, such as those used in marine applications, power generation, and other applications, can generate large volumes of exhaust gas flow during operation. This high volume exhaust stream can be treated within an aftertreatment system to comply with emission control standards. However, large volumes of exhaust gas flowing through various components of the aftertreatment system may result in excessive back pressure within the aftertreatment system due to the limited flow of exhaust gas flow through the aftertreatment system. [0003] In some cases, aftertreatment system flow may be increased by increasing the diameter or length (or other dimensions) of conduits and other components of the aftertreatment system, including ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N13/00F01N13/08
CPCF01N13/08F01N2250/02F01N2470/16F01N13/009F01N13/011F01N3/021F01N3/2066F01N2260/06F01N2490/06F01N2590/08F01N3/035F01N3/2073F01N2470/00F01N2590/02
Inventor C·A·史密斯G·A·赫雷拉马洛G·吉雷什C·J·安德森L·E·费尔B·P·拉姆齐S·S·比斯韦A·罗德曼
Owner CATERPILLAR INC