V-type engine

Details V-type engine V-type engine

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 75/22 (2006.01) B60K 13/02 (2006.01) F02M 19/00 (2006.01)

Patent

CA 2616932

A V-type engine includes: first and second banks which are arranged in a V-shape and which respectively have cylinder bores; a crankshaft which is shared by the first and second banks; a crankcase which supports the crankshaft, the first and second banks being connected to the crankcase; and a valley portion which is defined between the first and second banks, an engine auxiliary machine being disposed in the valley portion. The first and second banks are arranged so that a cylinder center line of the first bank and a cylinder center line of the second bank respectively pass through a point which is eccentric from a rotational center of the crankshaft to a side opposite from both the banks. Thus, it is possible to improve an auxiliary machine housing function of the valley portion defined between the first and second banks while maintaining a predetermined opening angle therebetween.

Moteur à cylindres en V comportant les éléments suivants : deux rangées de cylindres disposées en V et comprenant respectivement des alésages de cylindre; un vilebrequin commun aux deux rangées de cylindres; un carter de moteur qui supporte le vilebrequin, les deux rangées étant reliées au carter; et une partie creuse formée entre les deux rangées, une machine auxiliaire au moteur étant placée dans ce creux. Les deux rangées sont disposées de façon à ce que les lignes centrales de cylindres de chacune des deux rangées passent respectivement par un point excentrique par rapport au centre de rotation du vilebrequin, du côté opposé aux deux rangées. Ainsi, il est possible d'améliorer la fonction de logement pour la machine auxiliaire dans la portion creuse formée entre les deux rangées de cylindres tout en conservant un angle d'ouverture prédéterminé entre elles.

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