自動変速機用圧力センサ取付構造

Pressure sensor installing structure for automatic transmission

Abstract

【課題】確実に作動油の圧力を検出する自動変速機用油圧センサ取付構造を提供する。 【解決手段】自動変速機ケースに設けられ、前記自動変速機に作動油を供給する第1作動油路11aと、この第1作動油路に連通する第2作動油路11bと、前記第2作動油路に取り付けられ、前記作動油の圧力を検出する油圧センサ50と、からなる自動変速機用油圧センサ取付構造において、前記第2作動油路は、前記油圧センサが嵌合する嵌合部11cと、この嵌合部と第1作動油路との間に設けられる中間部11dとからなり、前記中間部にオリフィスを備えたプラグを嵌合させる。 【選択図】図3
<P>PROBLEM TO BE SOLVED: To provide a hydraulic pressure sensor installing structure for an automatic transmission for surely detecting pressure of a hydraulic fluid. <P>SOLUTION: This hydraulic pressure sensor installing structure for the automatic transmission is composed of a first hydraulic fluid passage 11a arranged in an automatic transmission case and supplying the hydraulic fluid to the automatic transmission, a second hydraulic fluid passage 11b communicating with this first hydraulic fluid passage, and a hydraulic pressure sensor 50 installed in the second hydraulic fluid passage and detecting the pressure of the hydraulic fluid. The second hydraulic fluid passage is composed of a fitting part 11c fitted with the hydraulic pressure sensor and an intermediate part 11d arranged between this fitting part and the first hydraulic fluid passage, and a plug having an orifice is fitted to the intermediate part. <P>COPYRIGHT: (C)2007,JPO&INPIT

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