To prevent mixing-in of oil to cooling water and mixing-in of the cooling water to the oil, caused by abnormality of a seal member.
An engine 1 includes an engine body 2 for opening an outlet side passage 12 of cooling water on a front end surface 3a, a front cover 6 fixed to the engine body 2 by a bolt B1 and having a water communication passage 22 communicating with the outlet side passage 12, a water outlet member 40 fixed to the front cover, and a water seal member 27 and an oil seal member 28 interposed between the engine body 2 and the front cover 6. The front cover 6 has a fastening part 30 (abutment part) for abutting on the engine body 2 in an area between both seal members 27 and 28, and a bolt hole H1 formed in the fastening part 30 so as to penetrate through the front cover 6. The fastening part 30 is formed with a first groove part 32 for communicating with a space formed between both seal members 27 and 28 and guiding liquid (oil/cooling water) intruded into this space to the bolt hole H1.
OSHIMA HIROBUMI
TANI MASUTOSHI
TSUKAMOTO MAKI
NOZAWA SATOSHI
JP2012002170A | 2012-01-05 | |||
JPS62119454U | 1987-07-29 | |||
JPS5866106U | 1983-05-06 | |||
JP2007113411A | 2007-05-10 |
Masataka Otani
Ko Sato
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