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Fluid spray gun with balanced flow distribution

A fluid isolation and fluid connection technology, applied in separation methods, dispersed particle separation, machine/engine, etc., to solve problems such as short exhaust pipe lengths

Active Publication Date: 2016-12-07
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can be problematic due to limitations on the size of the post-processing module
That is, the length of the exhaust pipe between the injector and the downstream substrate may be relatively short due to packaging considerations for the powertrain including the aftertreatment module

Method used

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  • Fluid spray gun with balanced flow distribution
  • Fluid spray gun with balanced flow distribution
  • Fluid spray gun with balanced flow distribution

Examples

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Embodiment Construction

[0017] figure 1 An exemplary power system 10 is shown. For purposes of the present disclosure, powertrain system 10 is shown and described as a generator set including a generator 12 powered by a multi-cylinder internal combustion engine 14 . Generator 12 and engine 14 may generally be coupled by frame 16 . However, it is contemplated that power system 10 may be implemented as another type of power system, such as a power system including a diesel engine, a gasoline engine, or a gaseous fuel powered engine associated with a mobile machine such as a locomotive or a stationary machine such as a pump, if desired.

[0018] A number of individual subsystems may be included within power system 10 to facilitate power generation. For example, powertrain 10 may include, among other things, an intake system 18 and an exhaust system 20 . Air intake system 18 may be configured to introduce air or an air / fuel mixture into combustion chambers of power system 10 for subsequent combustion....

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PUM

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Abstract

An injector configured to introduce a reductant into an exhaust stream, the injector includes: a body including a conduit with a first diameter, a nozzle fluidly coupled to the conduit and disposed at a distal end of the body, and an extension extending from the distal end of the body, the extension extending from the distal end of the body by at least a distance equal to the first diameter.

Description

technical field [0001] The present invention relates to an exhaust system, and more particularly to an aftertreatment module and fluid spray gun. Background technique [0002] Internal combustion engines, including diesel engines, gasoline engines, gaseous fuel powered engines, and others known in the art, produce a complex mixture of exhaust gas (exhaust) and particulate matter. The composition of the exhaust gas may include nitrogen oxides (NO x ). Exhaust emission standards are becoming increasingly stringent, and NO emissions from engines to the atmosphere x The amount may vary depending on the type, size and / or class of the engine. [0003] To reduce NO x , some engine manufacturers have implemented a strategy known as selective catalytic reduction (SCR). SCR is an exhaust aftertreatment process, the most common of which is urea (NH 2 ) 2 Reductants such as CO or water or urea solutions are selectively injected into the exhaust stream of the engine and are adsorb...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01N3/28B01D53/94
CPCF01N3/2066F01N3/2892F01N2240/20F01N2610/1453Y02T10/12
Inventor Y·T·布伊A·尤亚勒J·文卡塔拉加万
Owner CATERPILLAR INC