PROBLEM TO BE SOLVED: To provide a wheel rotation speed adjusting device capable of suppressing beat sound from a rotary electric machine.SOLUTION: A wheel rotation speed adjusting device 20A applied for a vehicle V including two motors M1 and M2 and wheels WL and WR each driven by the two motors M1 and M2 includes: wheel speed sensors 21 and 22 for detecting rotational speed of each of wheels WL and WR; an air pressure adjustment device 30 for adjusting tire inner pressure of the wheels WL and WR; and an ECU1 for outputting a signal for adjusting the rotational speed of each of the wheels WL and WR to be substantially equal for each other by controlling an air pressure adjusting device 30 according to difference between the rotational speeds of the wheels WL and WR detected by the wheel speed sensors 21 and 22.SELECTED DRAWING: Figure 1
【課題】回転電機からのうなり音を抑えることが可能な車輪回転速度調整装置を提供する。【解決手段】2つのモータM1,M2と、2つのモータM1,M2によってそれぞれ駆動される車輪WL,WRと、を備えた車両Vに適用される車輪回転速度調整装置20Aであって、各車輪WL,WRの回転速度を検出する車輪速度センサ21,22と、車輪WL.WRのタイヤの内圧を調整する空気圧調整装置30と、車輪速センタ21,22によって検出された車輪WL,WRの回転速度の差に応じて空気圧調整装置30を制御することで当該各車輪WL,WRの回転速度を略同一に調整する信号を出力するECU1と、を備える。【選択図】図1
WHEEL ROTATION SPEED ADJUSTING DEVICE
車輪回転速度調整装置
2018-10-18
Patent
Elektronische Ressource
Japanisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60C VEHICLE TYRES , Fahrzeugreifen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
WHEEL BEARING DEVICE WITH ROTATION SPEED DETECTION DEVICE
Europäisches Patentamt | 2017
|WHEEL ROTATION SPEED MEASUREMENT ASSEMBLY AND WHEEL HUB DRIVING SYSTEM
Europäisches Patentamt | 2022
|WHEEL ROTATION SPEED MEASUREMENT ASSEMBLY AND WHEEL HUB DRIVING SYSTEM
Europäisches Patentamt | 2023
|