Noise attenuating insulated heat shield
An improved heat shield (10) offers both a thermal insulation and reduced noise transmission for vehicular engine components, including exhaust manifolds (30), for example. The structure has three layers: an outer structural metal layer (12), a center insulation layer (14) to isolate heat and dampen...
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| creator | CHEN, COLIN CHING-HO MATIAS, CALIN BOOGEMANS, MARK |
| description | An improved heat shield (10) offers both a thermal insulation and reduced noise transmission for vehicular engine components, including exhaust manifolds (30), for example. The structure has three layers: an outer structural metal layer (12), a center insulation layer (14) to isolate heat and dampen noise, and an inner metal layer (16) directly adjacent the shielded component for reflecting heat back to the shielded component. As disclosed, the heat shield (10) includes at least one bolt aperture (22) for attachment of the shield to a shielded component, such as an exhaust manifold in the described embodiment. The aperture is circumferentially bordered by at least one non-planar undulation (20) defining a protuberance. The protuberance is spaced circumferentially about the aperture. As the bolted connection of the heat shield to the manifold is a major source of vibration transmittal from the manifold into the shield, the protuberance is effective to dampen the vibration, and hence noise associated with the vibration. |
| format | Patent |
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The structure has three layers: an outer structural metal layer (12), a center insulation layer (14) to isolate heat and dampen noise, and an inner metal layer (16) directly adjacent the shielded component for reflecting heat back to the shielded component. As disclosed, the heat shield (10) includes at least one bolt aperture (22) for attachment of the shield to a shielded component, such as an exhaust manifold in the described embodiment. The aperture is circumferentially bordered by at least one non-planar undulation (20) defining a protuberance. The protuberance is spaced circumferentially about the aperture. As the bolted connection of the heat shield to the manifold is a major source of vibration transmittal from the manifold into the shield, the protuberance is effective to dampen the vibration, and hence noise associated with the vibration.</description><language>eng ; fre ; ger</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; 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 ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2009</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=20090107&DB=EPODOC&CC=EP&NR=1316691B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090107&DB=EPODOC&CC=EP&NR=1316691B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN, COLIN CHING-HO</creatorcontrib><creatorcontrib>MATIAS, CALIN</creatorcontrib><creatorcontrib>BOOGEMANS, MARK</creatorcontrib><title>Noise attenuating insulated heat shield</title><description>An improved heat shield (10) offers both a thermal insulation and reduced noise transmission for vehicular engine components, including exhaust manifolds (30), for example. The structure has three layers: an outer structural metal layer (12), a center insulation layer (14) to isolate heat and dampen noise, and an inner metal layer (16) directly adjacent the shielded component for reflecting heat back to the shielded component. As disclosed, the heat shield (10) includes at least one bolt aperture (22) for attachment of the shield to a shielded component, such as an exhaust manifold in the described embodiment. The aperture is circumferentially bordered by at least one non-planar undulation (20) defining a protuberance. The protuberance is spaced circumferentially about the aperture. As the bolted connection of the heat shield to the manifold is a major source of vibration transmittal from the manifold into the shield, the protuberance is effective to dampen the vibration, and hence noise associated with the vibration.</description><subject>BLASTING</subject><subject>COMBUSTION ENGINES</subject><subject>COMBUSTION ENGINES IN GENERAL</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>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</subject><subject>INTERNAL-COMBUSTION PISTON ENGINES</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>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFD3y88sTlVILClJzStNLMnMS1fIzCsuzUksSU1RyEhNLFEozshMzUnhYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxrgGGxoZmZpaGTobGRCgBAGfEJ7Q</recordid><startdate>20090107</startdate><enddate>20090107</enddate><creator>CHEN, COLIN CHING-HO</creator><creator>MATIAS, CALIN</creator><creator>BOOGEMANS, MARK</creator><scope>EVB</scope></search><sort><creationdate>20090107</creationdate><title>Noise attenuating insulated heat shield</title><author>CHEN, COLIN CHING-HO ; MATIAS, CALIN ; BOOGEMANS, MARK</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP1316691B13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre ; ger</language><creationdate>2009</creationdate><topic>BLASTING</topic><topic>COMBUSTION ENGINES</topic><topic>COMBUSTION ENGINES IN GENERAL</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>HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS</topic><topic>INTERNAL-COMBUSTION PISTON ENGINES</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>CHEN, COLIN CHING-HO</creatorcontrib><creatorcontrib>MATIAS, CALIN</creatorcontrib><creatorcontrib>BOOGEMANS, MARK</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>CHEN, COLIN CHING-HO</au><au>MATIAS, CALIN</au><au>BOOGEMANS, MARK</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Noise attenuating insulated heat shield</title><date>2009-01-07</date><risdate>2009</risdate><abstract>An improved heat shield (10) offers both a thermal insulation and reduced noise transmission for vehicular engine components, including exhaust manifolds (30), for example. The structure has three layers: an outer structural metal layer (12), a center insulation layer (14) to isolate heat and dampen noise, and an inner metal layer (16) directly adjacent the shielded component for reflecting heat back to the shielded component. As disclosed, the heat shield (10) includes at least one bolt aperture (22) for attachment of the shield to a shielded component, such as an exhaust manifold in the described embodiment. The aperture is circumferentially bordered by at least one non-planar undulation (20) defining a protuberance. The protuberance is spaced circumferentially about the aperture. As the bolted connection of the heat shield to the manifold is a major source of vibration transmittal from the manifold into the shield, the protuberance is effective to dampen the vibration, and hence noise associated with the vibration.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS |
| title | Noise attenuating insulated heat shield |
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