Engine system with supercharger

Abstract

This invention relates to an engine system with a supercharger, installed on a motorcycle, including an engine housing, a cylinder, a cylinder head, and a supercharger. The engine housing houses a crankshaft and a drive shaft, the crankshaft being pivoted to the drive shaft via a continuously variable transmission (CVT). The cylinder is connected to the engine housing, the crankshaft is connected to a piston within the cylinder via a connecting rod, and the cylinder head is connected to the cylinder. The supercharger includes an exhaust gas casing, a shaft housing connected to the exhaust gas casing, and a compressor housing connected to the shaft housing. The shaft housing contains a shaft and has a lubricating oil inlet and a lubricating oil outlet. Viewed from the side of the motorcycle, the angle between the centerline of one cylinder and the ground is less than 45 degrees, and the horizontal line of the lubricating oil outlet is higher than the horizontal line of the lowest point of the engine system. Therefore, this invention facilitates vehicle miniaturization by designing the cylinder tilt angle to be less than 45 degrees, and by placing the oil outlet of the supercharger above the lowest point of the engine system to prevent the supercharger system from touching the ground when the vehicle is in motion.

Claims

1. An engine system with a supercharger, installed on a motorcycle, comprising: an engine housing housing a crankshaft and a drive shaft, the crankshaft being pivoted by a continuously variable transmission (CVT); a cylinder connected to the engine housing, the crankshaft being connected to a piston within the cylinder by a connecting rod; a cylinder head connected to the cylinder; and a supercharger comprising an exhaust gas housing, a shaft housing connected to the exhaust gas housing, and a compressor housing connected to the shaft housing, the exhaust gas housing having an exhaust gas impeller and an exhaust gas inlet and an exhaust gas outlet, the shaft housing having a shaft and a lubricating oil inlet and a lubricating oil outlet, the compressor housing having a compression impeller and an air inlet and a compressed air outlet, the air inlet being connected to an intake manifold of the engine system, the compressed air outlet being connected to the cylinder head, the exhaust gas inlet being connected to an exhaust port of the engine system, and the exhaust gas outlet being connected to an exhaust pipe of the engine system; wherein... Viewed from the side of the locomotive, the angle between the center line of one of the cylinders and the ground is less than 45 degrees, and the horizontal line of one of the lubricating oil outlets is higher than the horizontal line of the lowest point of the engine system.

2. The engine system with a supercharging device as described in claim 1, wherein, The distance between the horizontal line of the lubricating oil outlet and the horizontal line of the lowest point of the engine system is at least 50 mm.

3. The engine system with a supercharging device as described in claim 1, wherein, The distance between the horizontal line of the lubricating oil outlet and the horizontal line of the lowest point of the engine system is 50-100 mm.

4. The engine system with a supercharging device as described in claim 1, wherein, The distance between the horizontal line of the lubricating oil outlet and the horizontal line of the lowest point of the engine system is approximately 90 millimeters.

5. The engine system with a supercharging device as described in claim 1, wherein, The angle between the cylinder centerline and the ground is between 10 and 30 degrees.

6. The engine system with a supercharging device as described in claim 1, wherein, The angle between the cylinder centerline and the ground is approximately 17 degrees.

7. The engine system with a supercharging device as described in claim 1, wherein, The lowest point of the engine system is at least 150 millimeters above the ground.

8. The engine system with a supercharging device as described in claim 1, wherein, Viewed from the side of the locomotive, the pivot is located below the crankshaft.

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