Patent ID: 8671906
Filing Date: 2014-03-18
Classification: F16D

Abstract:
1. A clutch actuator mounting structure for an internal combustion engine, comprising: an engine case including a clutch actuator containing part adapted to house a clutch actuator for engaging/disengaging a shift clutch, said clutch actuator containing part having a clutch actuator mounting/dismounting port which is exposed to an exterior of said engine case, wherein the clutch actuator is configured to be mounted and dismounted through said clutch actuator mounting/dismounting port. wherein said engine case is mountable on a lateral side of a crankcase which rotatably supports a crankshaft thereon; wherein said clutch actuator containing part projects to a lateral side of said engine case, wherein the internal combustion engine is mountable on a vehicle with the crankshaft oriented in a left-right direction; wherein the shift clutch is provided at an end of a transmission main shaft which projects into an inside of the engine case, said transmission main shaft being provided inside the crankcase; wherein said engine case further comprises a bulge containing part in which the shift clutch and a gear pair for transmitting power from the crankshaft to the shift clutch are mounted, the bulge containing part being bulged to the lateral side of said engine case; and wherein said clutch actuator containing part projects into a space on a lower side of said bulge containing part.