Heat shield of automobile exhaust system
The invention discloses a heat shield for an automobile exhaust system, which relates to the technical field of heat insulation of the automobile exhaust system and comprises a heat shield body, the heat shield body is formed by stamping and welding an inner steel plate and an outer steel plate, a c...
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| creator | ZHANG WENFENG ZHENG ZHONGXIA LIAO CHANGZHI |
| description | The invention discloses a heat shield for an automobile exhaust system, which relates to the technical field of heat insulation of the automobile exhaust system and comprises a heat shield body, the heat shield body is formed by stamping and welding an inner steel plate and an outer steel plate, a closed cavity is formed between the inner steel plate and the outer steel plate, and the cavity is a vacuum cavity. And the height distance between the inner-layer steel plate and the outer-layer steel plate is 1-10mm. Compared with the prior art, the heat insulation effect is achieved by utilizing vacuum. Through verification, in an airflow temperature interval of 400-750 DEG C, the surface temperature of the heat shield is 40-50 DEG C lower than the outer surface temperature of a single-layer metal heat shield and heat insulation cotton with the thickness of 6 mm, and the service life of peripheral parts of an exhaust system is greatly prolonged.
本发明公开了一种汽车排气系统隔热罩，涉及汽车排气系统隔热保温技术领域，包括隔热罩本体，其所述隔热罩本体由内层钢板和外层钢板冲压焊接而成， |
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本发明公开了一种汽车排气系统隔热罩，涉及汽车排气系统隔热保温技术领域，包括隔热罩本体，其所述隔热罩本体由内层钢板和外层钢板冲压焊接而成，</description><language>chi ; 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>2022</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=20220325&DB=EPODOC&CC=CN&NR=114233456A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220325&DB=EPODOC&CC=CN&NR=114233456A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG WENFENG</creatorcontrib><creatorcontrib>ZHENG ZHONGXIA</creatorcontrib><creatorcontrib>LIAO CHANGZHI</creatorcontrib><title>Heat shield of automobile exhaust system</title><description>The invention discloses a heat shield for an automobile exhaust system, which relates to the technical field of heat insulation of the automobile exhaust system and comprises a heat shield body, the heat shield body is formed by stamping and welding an inner steel plate and an outer steel plate, a closed cavity is formed between the inner steel plate and the outer steel plate, and the cavity is a vacuum cavity. And the height distance between the inner-layer steel plate and the outer-layer steel plate is 1-10mm. Compared with the prior art, the heat insulation effect is achieved by utilizing vacuum. Through verification, in an airflow temperature interval of 400-750 DEG C, the surface temperature of the heat shield is 40-50 DEG C lower than the outer surface temperature of a single-layer metal heat shield and heat insulation cotton with the thickness of 6 mm, and the service life of peripheral parts of an exhaust system is greatly prolonged.
本发明公开了一种汽车排气系统隔热罩，涉及汽车排气系统隔热保温技术领域，包括隔热罩本体，其所述隔热罩本体由内层钢板和外层钢板冲压焊接而成，</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDwSE0sUSjOyEzNSVHIT1NILC3Jz81PysxJVUityEgsLQZKVhaXpObyMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JJ4Zz9DQxMjY2MTUzNHY2LUAADMhyhR</recordid><startdate>20220325</startdate><enddate>20220325</enddate><creator>ZHANG WENFENG</creator><creator>ZHENG ZHONGXIA</creator><creator>LIAO CHANGZHI</creator><scope>EVB</scope></search><sort><creationdate>20220325</creationdate><title>Heat shield of automobile exhaust system</title><author>ZHANG WENFENG ; ZHENG ZHONGXIA ; LIAO CHANGZHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN114233456A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2022</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>ZHANG WENFENG</creatorcontrib><creatorcontrib>ZHENG ZHONGXIA</creatorcontrib><creatorcontrib>LIAO CHANGZHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHANG WENFENG</au><au>ZHENG ZHONGXIA</au><au>LIAO CHANGZHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Heat shield of automobile exhaust system</title><date>2022-03-25</date><risdate>2022</risdate><abstract>The invention discloses a heat shield for an automobile exhaust system, which relates to the technical field of heat insulation of the automobile exhaust system and comprises a heat shield body, the heat shield body is formed by stamping and welding an inner steel plate and an outer steel plate, a closed cavity is formed between the inner steel plate and the outer steel plate, and the cavity is a vacuum cavity. And the height distance between the inner-layer steel plate and the outer-layer steel plate is 1-10mm. Compared with the prior art, the heat insulation effect is achieved by utilizing vacuum. Through verification, in an airflow temperature interval of 400-750 DEG C, the surface temperature of the heat shield is 40-50 DEG C lower than the outer surface temperature of a single-layer metal heat shield and heat insulation cotton with the thickness of 6 mm, and the service life of peripheral parts of an exhaust system is greatly prolonged.
本发明公开了一种汽车排气系统隔热罩，涉及汽车排气系统隔热保温技术领域，包括隔热罩本体，其所述隔热罩本体由内层钢板和外层钢板冲压焊接而成，</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 of automobile exhaust system |
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