公开(公告)号：EP3135889A4

公开(公告)日：2018-01-17

申请号：EP15782343

申请日：2015-04-24

申请人： YAMAHA MOTOR POWER PRODUCTS KK

发明人： NISHI KENGO ,  JINNOHARA NOBUO ,  TSUDA SHINYA

IPC分类号： F02F7/00 ,  F01P1/02 ,  F01P5/06 ,  F02F1/04

CPC分类号： F02F7/007 ,  F01P1/02 ,  F01P1/06 ,  F01P5/02 ,  F01P5/06 ,  F01P2001/023 ,  F01P2001/026 ,  F02F1/06

摘要： An engine (10) includes a crankcase (12), which is provided with cylinders (14, 16) having fins (94, 96) on their outer circumferences. A crank shaft (20) penetrates the crankcase (12). A cooling fan (22) is provided on an outer side of the crankcase (12) coaxially with the crank shaft (20). A first cover (26) is provided in such a fashion to cover an outer side of the cylinders (14, 16) and of the crankcase (12), and the cooling fan (22). A second cover (28) is provided detachably from/attachably to the first cover (26). The first cover (26) includes a first opening (198) provided at a position to face the cooling fan (22), and second openings (200, 202) provided at positions to face the fins (94, 96). The second cover (28) includes an air inlet (30) which is provided at a position to face the first opening (198), and is attached to the first cover (26) in such a fashion to cover the first opening (198) and the second openings (200, 202).

公开(公告)号：EP3135890A4

公开(公告)日：2017-12-06

申请号：EP15782594

申请日：2015-04-24

申请人： YAMAHA MOTOR POWER PRODUCTS KK

发明人： NISHI KENGO ,  JINNOHARA NOBUO

IPC分类号： F02F7/00 ,  F01M1/02 ,  F01M1/06 ,  F01M1/10 ,  F01M11/00 ,  F02B67/00 ,  F02B75/00 ,  F02B75/22

CPC分类号： F01M11/0004 ,  F01M1/02 ,  F01M1/10 ,  F01M13/0011 ,  F01M13/04 ,  F01M2001/0269 ,  F01M2001/1028 ,  F01M2011/005 ,  F02B67/00 ,  F02B75/007 ,  F02B75/22 ,  F02F7/0053

摘要： An engine 10 has a crank shaft 20 which is provided inside a crankcase 12 and an oil pan 18 and penetrating the crankcase 12 and the oil pan 18 in an up-down direction. Inside the oil pan 18, an oil pump 96 and an oil strainer 102 are provided. The oil pump 96 is disposed coaxially with the crank shaft 20 and is driven by the crank shaft 20. The crank shaft 20 has one side and another side respectively supported pivotably by the platy support member 70 and the crankcase 12. The support member 70 is provided in the crankcase 12 in such a fashion that two surfaces of the support member 70 are covered by the crankcase 12 and the oil pan 18 and there can be communication between the crankcase 12 and the oil pan 18.