Hellman Adam J.,Schneiker John,Kwiatkowski Tim,Groh Casey,Price Robert,Sullivan Ryan,Johnson Gary
申请号：
US201815870589
公开号：
US2018135477(A1)
申请日:
2018.01.12
申请国别(地区):
美国
年份:
2018
代理人:
摘要：
An engine assembly includes an air-cooled engine and an external oil reservoir. The engine includes a vertically-oriented crankshaft a crankcase cover having a front portion and a rear portion, wherein the front portion of the crankcase cover and the cylinder head are located forward of a vertical plane that includes the crankshaft axis, a return pump housing formed in the exterior of the crankcase cover, a return pump positioned in the return pump housing, and a return pump inlet formed through the crankcase cover, wherein the return pump inlet is located in the front portion of the crankcase cover and the return pump inlet is located closer to the camshaft than to the crankshaft. The external oil reservoir includes an oil tank and an oil filter assembly.
