Poppet valve

A poppet valve for a combustion engine has valve body 6 comprising a valve stem 2, a valve head 3 with a valve combustion face 4, and a valve fillet 5 interconnecting the valve stem 2 and the valve head 3, wherein the surface 8 of the fillet 5 has an increased thermal resistance compared to the valv...

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Hauptverfasser:	Alberto Aimasso, Luigi Lia, Francesca Mancuso
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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creator	Alberto Aimasso Luigi Lia Francesca Mancuso
description	A poppet valve for a combustion engine has valve body 6 comprising a valve stem 2, a valve head 3 with a valve combustion face 4, and a valve fillet 5 interconnecting the valve stem 2 and the valve head 3, wherein the surface 8 of the fillet 5 has an increased thermal resistance compared to the valve combustion face 4. The fillet surface 8 may have a thermal barrier coating 9, eg deposited by the spray nozzle (22, fig.3) of an atmospheric plasma spraying (APS) system or a high velocity oxygen fuel spraying (HVOF) system while the valve is rotating. The thermal barrier coating may comprise ferrite particles, a silica based inorganic compound, hollow ceramic balls or yttria-stabilised zirconia. The valve body may have a cavity 7 filled with sodium.
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The fillet surface 8 may have a thermal barrier coating 9, eg deposited by the spray nozzle (22, fig.3) of an atmospheric plasma spraying (APS) system or a high velocity oxygen fuel spraying (HVOF) system while the valve is rotating. The thermal barrier coating may comprise ferrite particles, a silica based inorganic compound, hollow ceramic balls or yttria-stabilised zirconia. The valve body may have a cavity 7 filled with sodium.</description><language>eng</language><subject>BLASTING ; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ; ENGINE PLANTS IN GENERAL ; HEATING ; LIGHTING ; MACHINES OR ENGINES IN GENERAL ; MECHANICAL ENGINEERING ; STEAM ENGINES ; WEAPONS</subject><creationdate>2019</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=20190605&DB=EPODOC&CC=GB&NR=2568975A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190605&DB=EPODOC&CC=GB&NR=2568975A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Alberto Aimasso</creatorcontrib><creatorcontrib>Luigi Lia</creatorcontrib><creatorcontrib>Francesca Mancuso</creatorcontrib><title>Poppet valve</title><description>A poppet valve for a combustion engine has valve body 6 comprising a valve stem 2, a valve head 3 with a valve combustion face 4, and a valve fillet 5 interconnecting the valve stem 2 and the valve head 3, wherein the surface 8 of the fillet 5 has an increased thermal resistance compared to the valve combustion face 4. The fillet surface 8 may have a thermal barrier coating 9, eg deposited by the spray nozzle (22, fig.3) of an atmospheric plasma spraying (APS) system or a high velocity oxygen fuel spraying (HVOF) system while the valve is rotating. The thermal barrier coating may comprise ferrite particles, a silica based inorganic compound, hollow ceramic balls or yttria-stabilised zirconia. 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The fillet surface 8 may have a thermal barrier coating 9, eg deposited by the spray nozzle (22, fig.3) of an atmospheric plasma spraying (APS) system or a high velocity oxygen fuel spraying (HVOF) system while the valve is rotating. The thermal barrier coating may comprise ferrite particles, a silica based inorganic compound, hollow ceramic balls or yttria-stabilised zirconia. The valve body may have a cavity 7 filled with sodium.</abstract><oa>free_for_read</oa></addata></record>
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subjects	BLASTING CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
title	Poppet valve
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