VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE WITH TWO MIXING ZONES, NOTABLY FOR A MOTOR VEHICLE, AND METHOD OF INJECTION FOR SUCH A VEHICLE

VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE WITH TWO MIXING ZONES, NOTABLY FOR A MOTOR VEHICLE, AND METHOD OF INJECTION FOR SUCH A VEHICLE

Variable compression ratio direct-injection internal combustion engine comprising at least one cylinder (10), a cylinder head (12) bearing a fuel injection means (14) spraying fuel in a single layer (34) of fuel jets (36), a piston (16) sliding in this cylinder, and a combustion chamber (32) delimit...

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Hauptverfasser: CHEVILLARD, Stéphane, ZACCARDI, Jean-Marc, DE PAOLA, Gaetano, DEGEILH, Philippe
Format: Patent
Sprache:eng ; fre
Schlagworte:
BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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creator CHEVILLARD, Stéphane
ZACCARDI, Jean-Marc
DE PAOLA, Gaetano
DEGEILH, Philippe
description Variable compression ratio direct-injection internal combustion engine comprising at least one cylinder (10), a cylinder head (12) bearing a fuel injection means (14) spraying fuel in a single layer (34) of fuel jets (36), a piston (16) sliding in this cylinder, and a combustion chamber (32) delimited on one side by the top face (42) of the piston comprising a pip (46) rising up toward the cylinder head and arranged at the centre of a concave bowl (44). According to the invention, the combustion chamber comprises at least two mixing zones (Z1, Z2) into which the fuel jets (36) are injected, one of the zones (Z1) being used for a maximum compression ratio (Tmax) and the other (Z2) of the zones being used for a minimum compression ratio (Tmin). Moteur à combustion interne à injection directe à taux de compression variable comprenant au moins un cylindre (10), une culasse (12) portant un moyen d'injection de carburant (14) projetant du carburant selon une seule nappe (34) de jets de carburant (36), un piston (16) coulissant dans ce cylindre, et une chambre de combustion (32) délimitée sur un côté par la face supérieure (42) du piston comportant un téton (46) s'érigeant en direction de la culasse et disposé au centre d'un bol concave (44). Selon l'invention, la chambre de combustion comprend au moins deux zones de mélange (Z1, Z2) dans lesquelles sont injectés les jets de carburant (36), l'une (Z1) des zones étant utilisée pour un taux de compression maximal (Tmax) et l'autre (Z2) des zones étant utilisée pour un taux de compression minimal (Tmini).
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According to the invention, the combustion chamber comprises at least two mixing zones (Z1, Z2) into which the fuel jets (36) are injected, one of the zones (Z1) being used for a maximum compression ratio (Tmax) and the other (Z2) of the zones being used for a minimum compression ratio (Tmin). Moteur à combustion interne à injection directe à taux de compression variable comprenant au moins un cylindre (10), une culasse (12) portant un moyen d'injection de carburant (14) projetant du carburant selon une seule nappe (34) de jets de carburant (36), un piston (16) coulissant dans ce cylindre, et une chambre de combustion (32) délimitée sur un côté par la face supérieure (42) du piston comportant un téton (46) s'érigeant en direction de la culasse et disposé au centre d'un bol concave (44). Selon l'invention, la chambre de combustion comprend au moins deux zones de mélange (Z1, Z2) dans lesquelles sont injectés les jets de carburant (36), l'une (Z1) des zones étant utilisée pour un taux de compression maximal (Tmax) et l'autre (Z2) des zones étant utilisée pour un taux de compression minimal (Tmini).</description><language>eng ; fre</language><subject>BLASTING ; COMBUSTION ENGINES ; COMBUSTION ENGINES IN GENERAL ; CONTROLLING COMBUSTION ENGINES ; HEATING ; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS ; INTERNAL-COMBUSTION PISTON ENGINES ; LIGHTING ; MECHANICAL ENGINEERING ; WEAPONS</subject><creationdate>2017</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&amp;date=20170803&amp;DB=EPODOC&amp;CC=WO&amp;NR=2017129386A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20170803&amp;DB=EPODOC&amp;CC=WO&amp;NR=2017129386A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEVILLARD, Stéphane</creatorcontrib><creatorcontrib>ZACCARDI, Jean-Marc</creatorcontrib><creatorcontrib>DE PAOLA, Gaetano</creatorcontrib><creatorcontrib>DEGEILH, Philippe</creatorcontrib><title>VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE WITH TWO MIXING ZONES, NOTABLY FOR A MOTOR VEHICLE, AND METHOD OF INJECTION FOR SUCH A VEHICLE</title><description>Variable compression ratio direct-injection internal combustion engine comprising at least one cylinder (10), a cylinder head (12) bearing a fuel injection means (14) spraying fuel in a single layer (34) of fuel jets (36), a piston (16) sliding in this cylinder, and a combustion chamber (32) delimited on one side by the top face (42) of the piston comprising a pip (46) rising up toward the cylinder head and arranged at the centre of a concave bowl (44). According to the invention, the combustion chamber comprises at least two mixing zones (Z1, Z2) into which the fuel jets (36) are injected, one of the zones (Z1) being used for a maximum compression ratio (Tmax) and the other (Z2) of the zones being used for a minimum compression ratio (Tmin). Moteur à combustion interne à injection directe à taux de compression variable comprenant au moins un cylindre (10), une culasse (12) portant un moyen d'injection de carburant (14) projetant du carburant selon une seule nappe (34) de jets de carburant (36), un piston (16) coulissant dans ce cylindre, et une chambre de combustion (32) délimitée sur un côté par la face supérieure (42) du piston comportant un téton (46) s'érigeant en direction de la culasse et disposé au centre d'un bol concave (44). 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According to the invention, the combustion chamber comprises at least two mixing zones (Z1, Z2) into which the fuel jets (36) are injected, one of the zones (Z1) being used for a maximum compression ratio (Tmax) and the other (Z2) of the zones being used for a minimum compression ratio (Tmin). Moteur à combustion interne à injection directe à taux de compression variable comprenant au moins un cylindre (10), une culasse (12) portant un moyen d'injection de carburant (14) projetant du carburant selon une seule nappe (34) de jets de carburant (36), un piston (16) coulissant dans ce cylindre, et une chambre de combustion (32) délimitée sur un côté par la face supérieure (42) du piston comportant un téton (46) s'érigeant en direction de la culasse et disposé au centre d'un bol concave (44). Selon l'invention, la chambre de combustion comprend au moins deux zones de mélange (Z1, Z2) dans lesquelles sont injectés les jets de carburant (36), l'une (Z1) des zones étant utilisée pour un taux de compression maximal (Tmax) et l'autre (Z2) des zones étant utilisée pour un taux de compression minimal (Tmini).</abstract><oa>free_for_read</oa></addata></record>
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subjects BLASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CONTROLLING COMBUSTION ENGINES
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
title VARIABLE COMPRESSION RATIO INTERNAL COMBUSTION ENGINE WITH TWO MIXING ZONES, NOTABLY FOR A MOTOR VEHICLE, AND METHOD OF INJECTION FOR SUCH A VEHICLE
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