PROBLEM TO BE SOLVED: To press a pressure sensor against a wall portion provided with a pressure introducing port through a seal member having elastic force.SOLUTION: A transmitter 20 is equipped with a case 21. The transmitter 20 is equipped with a sensor seal 41, a pressure sensor 42, a substrate, an antenna 61, two battery terminals 52 and 53, and a battery 71 in the case 21. As the pressure sensor 42, a first pressure sensor 42A or a second pressure sensor having shorter dimensions in a height direction than the first pressure sensor 42A is used. The case 21 is equipped with a case body 22 of a bottomed cylindrical shape, and a cover 27 blocking an opening portion 26 of the case body 22. The case body 22 is equipped with a wall portion 23 having a pressure introducing port 25, and a peripheral wall 24 raised from the wall portion 23. The cover 27 is equipped with a first pressing portion 35 capable of pressing the first pressure sensor 42A against the wall portion 23 through the sensor seal 41, and a second pressing portion 36 capable of pressing the second pressure sensor against the wall portion 23 through the sensor seal 41.SELECTED DRAWING: Figure 2

    【課題】弾性力を有するシール部材を介して圧力導入口が設けられた壁部に圧力センサを押し付けること。【解決手段】送信機20は、ケース21を備える。送信機20は、センサシール41、圧力センサ42、基板、アンテナ61、二つの電池端子52,53、及び、バッテリ71をケース21内に備える。圧力センサ42としては、第1圧力センサ42A、又は、第1圧力センサ42Aよりも高さ方向の寸法が短い第2圧力センサが用いられる。ケース21は、有底筒状のケース本体22と、ケース本体22の開口部26を閉塞する蓋27とを備える。ケース本体22は、圧力導入口25を有する壁部23と、壁部23から立設した周壁24とを備える。蓋27は、センサシール41を介して第1圧力センサ42Aを壁部23に押し付け可能な第1押圧部35と、センサシール41を介して第2圧力センサを壁部23に押し付け可能な第2押圧部36とを備える。【選択図】図2


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    Titel :

    TIRE PRESSURE DETECTING DEVICE


    Weitere Titelangaben:

    タイヤ圧力検出装置


    Beteiligte:

    Erscheinungsdatum :

    2018-04-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G01L Messen von Kraft, mechanischer Spannung, Drehmoment, Arbeit, mechanischer Leistung, mechanischem Wirkungsgrad oder des Drucks von Fluiden , MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE / B60C VEHICLE TYRES , Fahrzeugreifen



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