| 摘要 |
<p>PURPOSE: To prevent water from entering a reservoir while allowing a reservoir chamber communicated with the atmosphere to perform its breathing. CONSTITUTION: A reservoir 191 arranged in a housing 31 of a hydraulic controller is provided with a chamber which is communicated with the atmosphere and closed with a plug member 46 and a sealing member 50. A cover 32 to be coupled with a side of the housing 31 is provided with a substantially annular protection 3210 which presses the outer circumferential part 501 of the sealing member 50 against the housing 31 and the plug member 46 to fix the same and a recess part 329 facing the tip of a vent pipe 50 of the sealing member 50. The chamber 48 is communicated with the atmosphere through a vent hole 46 of the plug member 46, the vent pipe 50 of the sealing member 50 the recess part 329 of the cover 32, a plurality of notches 3212 formed below the projection 3210 and a drain path 64 having a letter L shape in section and being formed between the housing 31 and the cover 32.</p> |
