Heat shield and gasket for reductant delivery unit
A heat shield for a reductant delivery unit (RDU), the RDU including a fluid injector with a fluid inlet and a fluid outlet, and a clamp flange for attachment to a mounting boss of a vehicle exhaust pipe. The heat shield includes a first portion which is attached to the fluid injector so as to at le...
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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 with a fluid inlet and a fluid outlet, and a clamp flange for attachment to a mounting boss of a vehicle exhaust pipe. The heat shield includes a first portion which is attached to the fluid injector so as to at least partly cover the fluid outlet thereof. The first portion serves as a thermal barrier for the fluid injector and a mechanical barrier for preventing particles in the vehicle exhaust pipe from contacting the fluid injector when the RDU is attached to the vehicle exhaust pipe. The heat shield further includes a second portion which extends radially outwardly from the first portion for sealing the attachment between the clamp flange and the mounting boss of the vehicle exhaust pipe when the RDU is attached thereto. |
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The heat shield includes a first portion which is attached to the fluid injector so as to at least partly cover the fluid outlet thereof. The first portion serves as a thermal barrier for the fluid injector and a mechanical barrier for preventing particles in the vehicle exhaust pipe from contacting the fluid injector when the RDU is attached to the vehicle exhaust pipe. The heat shield further includes a second portion which extends radially outwardly from the first portion for sealing the attachment between the clamp flange and the mounting boss of the vehicle exhaust pipe when the RDU is attached thereto.</description><language>eng</language><subject>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</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200609&DB=EPODOC&CC=US&NR=10677138B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200609&DB=EPODOC&CC=US&NR=10677138B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Shaw, Keith Aaron</creatorcontrib><creatorcontrib>Caulkins, Christopher Michael</creatorcontrib><creatorcontrib>McFarland, Robert Wayne</creatorcontrib><title>Heat shield and gasket for reductant delivery unit</title><description>A heat shield for a reductant delivery unit (RDU), the RDU including a fluid injector with a fluid inlet and a fluid outlet, and a clamp flange for attachment to a mounting boss of a vehicle exhaust pipe. The heat shield includes a first portion which is attached to the fluid injector so as to at least partly cover the fluid outlet thereof. The first portion serves as a thermal barrier for the fluid injector and a mechanical barrier for preventing particles in the vehicle exhaust pipe from contacting the fluid injector when the RDU is attached to the vehicle exhaust pipe. The heat shield further includes a second portion which extends radially outwardly from the first portion for sealing the attachment between the clamp flange and the mounting boss of the vehicle exhaust pipe when the RDU is attached thereto.</description><subject>BLASTING</subject><subject>ENGINE PLANTS IN GENERAL</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</subject><subject>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MACHINES OR ENGINES IN GENERAL</subject><subject>MECHANICAL ENGINEERING</subject><subject>STEAM ENGINES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDDySE0sUSjOyEzNSVFIzEtRSE8szk4tUUjLL1IoSk0pTS5JzCtRSEnNySxLLapUKM3LLOFhYE1LzClO5YXS3AyKbq4hzh66qQX58anFBYnJqXmpJfGhwYYGZubmhsYWTkbGxKgBAK9bLBE</recordid><startdate>20200609</startdate><enddate>20200609</enddate><creator>Shaw, Keith Aaron</creator><creator>Caulkins, Christopher Michael</creator><creator>McFarland, Robert Wayne</creator><scope>EVB</scope></search><sort><creationdate>20200609</creationdate><title>Heat shield and gasket for reductant delivery unit</title><author>Shaw, Keith Aaron ; Caulkins, Christopher Michael ; McFarland, Robert Wayne</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US10677138B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>BLASTING</topic><topic>ENGINE PLANTS IN GENERAL</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES</topic><topic>GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MACHINES OR ENGINES IN GENERAL</topic><topic>MECHANICAL ENGINEERING</topic><topic>STEAM ENGINES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>Shaw, Keith Aaron</creatorcontrib><creatorcontrib>Caulkins, Christopher Michael</creatorcontrib><creatorcontrib>McFarland, Robert Wayne</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shaw, Keith Aaron</au><au>Caulkins, Christopher Michael</au><au>McFarland, Robert Wayne</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat shield and gasket for reductant delivery unit</title><date>2020-06-09</date><risdate>2020</risdate><abstract>A heat shield for a reductant delivery unit (RDU), the RDU including a fluid injector with a fluid inlet and a fluid outlet, and a clamp flange for attachment to a mounting boss of a vehicle exhaust pipe. The heat shield includes a first portion which is attached to the fluid injector so as to at least partly cover the fluid outlet thereof. The first portion serves as a thermal barrier for the fluid injector and a mechanical barrier for preventing particles in the vehicle exhaust pipe from contacting the fluid injector when the RDU is attached to the vehicle exhaust pipe. The heat shield further includes a second portion which extends radially outwardly from the first portion for sealing the attachment between the clamp flange and the mounting boss of the vehicle exhaust pipe when the RDU is attached thereto.</abstract><oa>free_for_read</oa></addata></record> |
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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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