| 摘要 |
A supercharged engine having an electrically operated water pump for supplying cooling water to an intercooler in a compact layout. The supercharged engine includes a supercharger disposed rearwardly of a cylinder assembly of the engine, a drive pulley mounted on a supercharger drive shaft of the engine, a driven pulley mounted on an input shaft of the supercharger, a drive belt trained around the drive pulley and the driven pulley, an intercooler for cooling supercharging air that is supplied from the supercharger, and an electrically operated water pump for delivering cooling water under pressure to the intercooler. The supercharged engine also includes a belt tensioner for tensioning the drive belt. The electrically operated water pump is disposed on a crankcase which is positioned more closely to the center of the engine across the width thereof in directions along a crankshaft of the engine than the belt tensioner. |
| 主权项 |
1. A supercharged engine including a supercharger, disposed rearwardly of a cylinder assembly of an engine, for supplying supercharging air into a combustion chamber of said engine, a drive pulley mounted on a supercharger drive shaft of said engine, a driven pulley mounted on an input shaft of said supercharger, a drive belt trained around said drive pulley and said driven pulley, a liquid-cooled intercooler for cooling supercharging air that is supplied from said supercharger, and a coolant pump for delivering a coolant under pressure to said intercooler, said supercharged engine comprising:
a belt tensioner for tensioning said drive belt; said coolant pump including an electrically operated coolant pump actuatable by an electric motor and disposed on a crankcase positioned more closely to a center of the engine across a width thereof in directions along a crankshaft of the engine than said belt tensioner. |
