Cylinder head for diesel or petrol engine with direct injection, comprises intake conduit having first and second channels separated by wall, input opening connected to induction distributor, and output opening that covers valve head

Cylinder head for diesel or petrol engine with direct injection, comprises intake conduit having first and second channels separated by wall, input opening connected to induction distributor, and output opening that covers valve head

The cylinder head for a diesel or petrol engine with direct injection, comprises an intake conduit having first and second channels (22a, 22b) separated by a wall (51), an input opening connected to an induction distributor (11), and an output opening that covers a valve head. The first and second c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CAMILLERI BERNARD, GUERINEAU THOMAS
Format: Patent
Sprache:eng ; fre
Schlagworte:
ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
BLASTING
CASTING
COMBUSTION ENGINES
COMBUSTION ENGINES IN GENERAL
CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES
FOUNDRY MOULDING
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INTERNAL-COMBUSTION PISTON ENGINES
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WEAPONS
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Beschreibung
Zusammenfassung:The cylinder head for a diesel or petrol engine with direct injection, comprises an intake conduit having first and second channels (22a, 22b) separated by a wall (51), an input opening connected to an induction distributor (11), and an output opening that covers a valve head. The first and second channels are overlying in an axis of the valve, and have a non-coincidence surface. The separation wall has a thickness of 2 mm. The first channel comprises a spoiler (65) that produces a rotational movement to an effluent gas of the channel. The two channels comprise an adjustable sealing unit. Independent claims are included for: (1) a process of fabricating a sand core; and (2) an internal combustion engine. Culasse de moteur à combustion interne, en particulier de moteur Diesel à injection directe ou de moteur à essence, dans laquelle est ménagé un conduit d'admission comprenant des premier (22a) et deuxième (22b) canaux séparés l'un de l'autre par une paroi de séparation (51) et présentant chacun un orifice d'entrée destiné à être connecté à un répartiteur d'admission dudit moteur et un orifice de sortie (64a ; 64b) débouchant dans une chapelle commune destinée à recouvrir une tête d'une soupape.La culasse selon l'invention est remarquable en ce que les premier (22a) et deuxième (22b) canaux sont superposés selon l'axe (S) de ladite soupape.