| 摘要 |
An internal combustion engine is provided with an oil filter 10 through which lubricant oil having pulsating pressure passes. The oil filter 10 has an oil filter body 11 attached to a filter base 20 , and a cover 30 formed integrally with the filter base 20 and circumferentially surrounding the oil filter body 11 . The cover 30 is provided with a window part 36 through which a space 35 formed between the oil filter body 11 and the cover 30 opens outward. The cover 30 has a circumferentially endless annular end wall 33 provided between the window part 36 and an end wall 33 a. The cover 30 has a reinforcing member 41 provided with an opening part 46 and attached to the outside surface of the cover 30 so that the opening part 46 coincides with the window part 36 of the cover 30 . The oil filter 10 can be properly cooled and sounds radiated by the oil filter 10 and the cover 30 can be reduced.
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