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Patent Searching and Data


Title:
ENGINE
Document Type and Number:
Japanese Patent JP2013245608
Kind Code:
A
Abstract:

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.


Inventors:
WATABE TAKAHIRO
OSHIMA HIROBUMI
TANI MASUTOSHI
TSUKAMOTO MAKI
NOZAWA SATOSHI
Application Number:
JP2012119845A
Publication Date:
December 09, 2013
Filing Date:
May 25, 2012
Export Citation:
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Assignee:
MAZDA MOTOR
International Classes:
F02F7/00; F01P3/02; F02B67/06
Domestic Patent References:
JP2012002170A2012-01-05
JPS62119454U1987-07-29
JPS5866106U1983-05-06
JP2007113411A2007-05-10
Attorney, Agent or Firm:
Etsushi Kotani
Masataka Otani
Ko Sato