HEAT SHIELD AND GASKET FOR REDUCTANT DELIVERY UNIT

A heat shield for a reductant delivery unit (RDU), the RDU including a fluid injector (20) with a fluid inlet (30) and a fluid outlet (27), and a clamp flange (28) for attachment to a mounting boss (B) of a vehicle exhaust pipe (P). The heat shield includes a first portion (52) which is attached to...

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Hauptverfasser:	Shaw, Keith Aaron, Caulkins, Christopher Michael, McFarland, Robert Wayne
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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creator	Shaw, Keith Aaron Caulkins, Christopher Michael McFarland, Robert Wayne
description	A heat shield for a reductant delivery unit (RDU), the RDU including a fluid injector (20) with a fluid inlet (30) and a fluid outlet (27), and a clamp flange (28) for attachment to a mounting boss (B) of a vehicle exhaust pipe (P). The heat shield includes a first portion (52) which is attached to the fluid injector (20) so as to at least partly cover the fluid outlet (27) thereof. The first portion (52) serves as a thermal barrier for the fluid injector (20) and a mechanical barrier for preventing particles in the vehicle exhaust pipe (P) from contacting the fluid injector (20) when the RDU is attached to the vehicle exhaust pipe (P). The heat shield further includes a second portion (55) which extends radially outwardly from the first portion (52) for sealing the attachment between the clamp flange (28) and the mounting boss (B) of the vehicle exhaust pipe (P) when the RDU is attached thereto.
format	Patent
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The heat shield includes a first portion (52) which is attached to the fluid injector (20) so as to at least partly cover the fluid outlet (27) thereof. The first portion (52) serves as a thermal barrier for the fluid injector (20) and a mechanical barrier for preventing particles in the vehicle exhaust pipe (P) from contacting the fluid injector (20) when the RDU is attached to the vehicle exhaust pipe (P). 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The heat shield includes a first portion (52) which is attached to the fluid injector (20) so as to at least partly cover the fluid outlet (27) thereof. The first portion (52) serves as a thermal barrier for the fluid injector (20) and a mechanical barrier for preventing particles in the vehicle exhaust pipe (P) from contacting the fluid injector (20) when the RDU is attached to the vehicle exhaust pipe (P). 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The heat shield includes a first portion (52) which is attached to the fluid injector (20) so as to at least partly cover the fluid outlet (27) thereof. The first portion (52) serves as a thermal barrier for the fluid injector (20) and a mechanical barrier for preventing particles in the vehicle exhaust pipe (P) from contacting the fluid injector (20) when the RDU is attached to the vehicle exhaust pipe (P). The heat shield further includes a second portion (55) which extends radially outwardly from the first portion (52) for sealing the attachment between the clamp flange (28) and the mounting boss (B) of the vehicle exhaust pipe (P) when the RDU is attached thereto.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
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source	esp@cenet
subjects	BLASTING ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
title	HEAT SHIELD AND GASKET FOR REDUCTANT DELIVERY UNIT
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