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Susceptor for use in a fluid flow system

A sensor and fluid technology, applied in the field of vehicle exhaust system, diesel engine exhaust gas and after-treatment system, can solve problems such as difficult to predict heater life

Active Publication Date: 2018-11-23
WATLOW ELECTRIC MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to predict heater life without knowing which heating element will fail first

Method used

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  • Susceptor for use in a fluid flow system
  • Susceptor for use in a fluid flow system
  • Susceptor for use in a fluid flow system

Examples

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Embodiment Construction

[0022] The following description is merely exemplary in nature and is not intended to limit the invention, application or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

[0023] refer to figure 1 , an exemplary engine system 10 generally includes a diesel engine 12 , an alternator 14 (or generator in some applications), a turbocharger 16 and an exhaust aftertreatment system 18 . An exhaust aftertreatment system 18 is disposed downstream of the turbocharger 16 for treating exhaust from the diesel engine 12 before the exhaust is released to the atmosphere. The exhaust aftertreatment system 18 may include one or more additional components, devices, or systems operable to further treat the exhaust fluid flow to achieve a desired result. in such as figure 1 As shown, exhaust aftertreatment system 18 includes heating system 20 , diesel oxidation catalyst (DOC) 22 , diesel particulate ...

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PUM

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Abstract

A susceptor for use in a heated fluid flow system is provided. In one form, a susceptor is arranged within a conduit and adapted to absorb radiant energy from at least one heating element and inhibitthe radiant energy from being absorbed by the at least one wall of the conduit and / or other components. In another form, the susceptor absorbs and inhibits the radiant energy from being absorbed by the outer wall of the conduit.

Description

technical field [0001] The present invention relates to heating and sensing systems for fluid flow applications, such as vehicle exhaust systems, such as diesel exhaust and aftertreatment systems. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] The use of physical sensors in transient fluid flow applications such as an engine's exhaust system is challenging due to harsh environmental conditions such as vibration and thermal cycling. One known temperature sensor comprises a mineral insulated sensor within a thermowell which is then welded to a support bracket which holds a tubular element. Unfortunately, this design takes a long time to achieve stability, and high vibration environments can lead to physical sensor damage. [0004] In many applications, the physical sensor also presents some uncertainty in the actual resistive element temperature, s...

Claims

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Application Information

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IPC IPC(8): F01N3/20F01N13/14
CPCF01N11/005F01N13/0097F01N3/027F01N3/2013F02D41/024F02D41/1446F02D41/1447F02D41/22F02D41/222G01K7/16G05D23/185H05B1/0227H05B1/0244H05B3/141H05B3/18H05B3/20H05B3/40F01N2240/10F01N2240/16F01N2240/36F01N2410/00F01N2410/04F01N2550/22F01N2560/06F01N2560/07F01N2560/12F01N2560/20F01N2900/1404F01N2900/1406F01N2900/1411F01N2900/1602F01N3/103F02D2041/1433F02D2041/228G01F1/68G01K2205/04H05B2203/019H05B2203/021H05B2203/022Y02T10/12Y02T10/40F01N9/005G01M15/05G07C5/0808F01N9/00F28F2200/00G05D23/2401G05D23/30F01N2610/102F01N3/106F01N3/2066F01N2900/0416G01F1/86F01N11/002H05B3/0042F01N3/021F01N3/0814F01N3/2006F01N3/023F01N9/002H01C7/02H01C7/04
Inventor 马卡·D·埃弗利理查德·T·威廉姆斯詹姆斯·N·普拉顿
Owner WATLOW ELECTRIC MFG