Patent ID: 7069898
Filing Date: 2006-07-04
Classification: F01P,F02B,F02F

Abstract:
1. A liquid-cooled engine, comprising: a crankcase for rotatably supporting a crankshaft, a cylinder barrel having a cylinder bore and a water jacket on the cylinder side for cooling the engine, the water jacket encircles the cylinder bore and is connected to the crankcase and a cylinder head having a water jacket on the head side is in communication with the water jacket on the cylinder side and is connected to the cylinder barrel; a plurality of mounting bosses extending from a fitting plane to the crankcase of the cylinder barrel to the cylinder head are integrated with a cylinder block in which the water jacket on the cylinder side and the water jacket on the head side mutually communicate and the cylinder barrel and the cylinder head are integrated wherein the mounting bosses encircle the cylinder bore; and the cylinder block is fastened to the crankcase by bolts inserted into each mounting boss.