PROBLEM TO BE SOLVED: To suppress rising of temperature in an air of a thermistor which detects a liquid surface level outside a float movable range of a float type remaining amount sensor, in a remaining fuel amount detection device of a fuel tank for a vehicle.SOLUTION: A float type remaining amount sensor is equipped with a thermistor which is disposed and fixed above an upper limit position within a float movable range of a float type remaining amount sensor in a fuel tank, for detecting a liquid surface level. It starts stepwise detection of a liquid surface level. A control device disconnects power to the thermistor when the float type remaining amount sensor detects a liquid surface level of a second stage which is lower than the liquid surface level of the first stage being a detection upper limit.SELECTED DRAWING: Figure 8
【課題】車両用燃料タンクの残燃料量検出装置において、フロート式残量センサのフロート可動範囲外の液面レベルを検出するサーミスタの気中での温度上昇を抑える。【解決手段】燃料タンク内でフロート式残量センサのフロート可動範囲の上限位置よりも上方に配置固定されて液面レベルを検出するサーミスタを備え、フロート式残量センサは、段階的な液面レベルの検出を開始し、制御装置は、フロート式残量センサが検出上限となる一段目の液面レベルより低い二段目の液面レベルを検出したときに、サーミスタへの通電を切る。【選択図】図8
REMAINING FUEL AMOUNT DETECTION DEVICE OF FUEL TANK FOR VEHICLE
車両用燃料タンクの残燃料量検出装置
2016-03-10
Patent
Elektronische Ressource
Japanisch
IPC: | G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |
FUEL REMAINING AMOUNT MEASURING APPARATUS, BOAT, AND MOVABLE BODY
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