PROBLEM TO BE SOLVED: To detect the lowering of tire pressure without using a pressure sensor, and to regulate the tire pressure to proper pneumatic pressure.SOLUTION: A tire pressure regulator comprises: a vehicle speed sensor 21 which detects a tire attached to a wheel of a vehicle, and a vehicle speed of the vehicle; a wheel speed sensor 22 which detects a wheel speed of the wheel; detection means 51, 52 and 53 which detect the lowering of the pneumatic pressure of the tire from the detected vehicle speed of the vehicle speed sensor 21 and the detected wheel speed of the wheel speed sensor 22; and pressure regulation means 8, 54 which increase pneumatic pressure by raising a temperature in the tire when the detection means detect the lowering of the pneumatic pressure of the tire. The detection means 51, 52 and 53 set a normal wheel speed at normal pneumatic pressure corresponding to the detected vehicle speed, and detect the lowering of the pneumatic pressure of the tire when a ratio of the detected wheel speed with respect to the normal wheel speed is not lower than a threshold.SELECTED DRAWING: Figure 3

    【課題】圧力センサを用いることなくタイヤの空気圧の低下を検知し、適正な空気圧に調整する。【解決手段】車両のホイールに取り付けられたタイヤ、車両の車速を検出する車速センサ21と、ホイールの車輪速を検出する車輪速センサ22と、車速センサ21の検出車速と車輪速センサ22の検出車輪速とからタイヤの空気圧低下を検知する検知手段51,52,53と、その検知手段がタイヤの空気圧低下を検知した場合に、そのタイヤ内の温度を上昇させて空気圧を増加させる圧力調整手段8,54と、を備え、検知手段51,52,53は、検出車速に対応した正常空気圧での正常車輪速を設定し、正常車輪速に対する検出車輪速の比が閾値以上のときにタイヤの空気圧低下を検知する。【選択図】図3


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    Titel :

    TIRE PRESSURE REGULATOR


    Weitere Titelangaben:

    タイヤ空気圧調整装置


    Beteiligte:

    Erscheinungsdatum :

    2016-10-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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