Outboard engine

Details Outboard engine Outboard engine

B - Operations, Transporting

63

H

115/3

B63H 20/00 (2006.01) F02B 61/04 (2006.01) F02B 75/00 (2006.01) F02B 75/20 (2006.01) F02M 35/10 (2006.01) F02M 35/12 (2006.01) F02B 75/02 (2006.01) F02B 75/18 (2006.01) F02F 1/24 (2006.01)

Patent

CA 2014701

An in-line multicylinder outboard engine [7; 207; 307; 407] for an outboard engine unit [100; 200; 300; 400] includes a vertical array of cylinders [7b, 7c, 7d], a vertically extending crankshaft [73], a flywheel [75] mounted on the upper end of the crankshaft [73], and a camshaft driver unit [76] positioned between the flywheel [75] and an upper surface of an engine block [7g]. The engine also includes a vertical array of intake/fuel supply devices [16; 216; 316; 416] connected respectively to pipes of an intake manifold [83; 283; 383; 483a ~ 483c]. The uppermost intake/fuel supply device has at least a portion thereof positioned below a plane in which the flywheel [75] is rotatable and within a region defined laterally of the camshaft driver unit [76]. The pipes of the intake manifold [283; 383; 483a ~ 483c] have equal lengths.

La présente invention a pour objet un moteur hors-bord à cylindres multiples en ligne 7;207;307;407 pour hors-bords 100;200;300;400 comportant un réseau de cylindres à configuration verticale 7b, 7c, 7d , un vilebrequin disposé à la verticale 73 , et un dispositif d'entraînement d'arbre à cames 76 positionné entre le volant-moteur 75 et la face supérieure du bloc-cylindres 7g . Le moteur en question comporte également un réseau de conduites d'admission de carburant [16;216;316;416 raccordées respectivement aux tuyaux d'une tubulure d'admission [83;283;383;483a 483c . La conduite d'admission supérieure comporte une partie qui est positionnée sous un plan de rotation du volant-moteur [75 et à l'intérieur d'une région située latéralement au dispositif d'entraînement de l'arbre à cames 76 . Les tuyaux de la tubulure d'admission [283;383;483a 483c sont de longueur égale.

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